mirror of
https://gitee.com/fastadminnet/framework.git
synced 2026-07-01 20:52:48 +08:00
1312 lines
41 KiB
PHP
1312 lines
41 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think;
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class Model {
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// 操作状态
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const MODEL_INSERT = 1; // 插入模型数据
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const MODEL_UPDATE = 2; // 更新模型数据
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const MODEL_BOTH = 3; // 包含上面两种方式
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// 当前数据库操作对象
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protected $db = null;
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// 数据库对象池
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private $_db = [];
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// 主键名称
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protected $pk = 'id';
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// 数据表前缀
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protected $tablePrefix = '';
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// 模型名称
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protected $name = '';
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// 数据库名称
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protected $dbName = '';
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//数据库配置
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protected $connection = '';
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// 数据表名（不包含表前缀）
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protected $tableName = '';
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// 实际数据表名（包含表前缀）
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protected $trueTableName = '';
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// 最近错误信息
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protected $error = '';
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// 字段信息
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protected $fields = [];
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// 数据信息
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protected $data = [];
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// 查询表达式参数
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protected $options = [];
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// 命名范围定义
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protected $scope = [];
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// 字段映射定义
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protected $map = [];
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// 是否自动检测数据表字段信息
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protected $autoCheckFields = false;
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/**
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* 架构函数
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* 取得DB类的实例对象 字段检查
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* @access public
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* @param string $name 模型名称
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* @param array $config 模型配置
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*/
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public function __construct($name='',$config=[]) {
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// 模型初始化
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$this->_initialize();
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// 传入模型参数
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if(!empty($name)){
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$this->name = $name;
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}elseif(empty($this->name)){
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$this->name = $this->getModelName();
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}
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if(strpos($this->name,'.')) { // 支持 数据库名.模型名的 定义
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list($this->dbName,$this->name) = explode('.',$this->name);
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}
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if(isset($config['prefix'])) {
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$this->tablePrefix = $config['prefix'];
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}
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if(isset($config['connection'])) {
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$this->connection = $config['connection'];
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}
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if(isset($config['table_name'])) {
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$this->tableName = $config['table_name'];
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}
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if(isset($config['true_table_name'])) {
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$this->trueTableName = $config['true_table_name'];
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}
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if(isset($config['db_name'])) {
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$this->dbName = $config['db_name'];
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}
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// 数据库初始化操作
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// 获取数据库操作对象
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// 当前模型有独立的数据库连接信息
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$this->db(0,$this->connection);
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}
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/**
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* 设置数据对象的值
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* @access public
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* @param string $name 名称
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* @param mixed $value 值
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* @return void
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*/
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public function __set($name,$value) {
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// 设置数据对象属性
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$this->data[$name] = $value;
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}
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/**
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* 获取数据对象的值
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* @access public
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* @param string $name 名称
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* @return mixed
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*/
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public function __get($name) {
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return isset($this->data[$name])?$this->data[$name]:null;
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}
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/**
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* 检测数据对象的值
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* @access public
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* @param string $name 名称
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* @return boolean
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*/
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public function __isset($name) {
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return isset($this->data[$name]);
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}
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/**
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* 销毁数据对象的值
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* @access public
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* @param string $name 名称
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* @return void
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*/
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public function __unset($name) {
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unset($this->data[$name]);
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}
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// 回调方法 初始化模型
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protected function _initialize() {}
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/**
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* 对写入到数据库的数据进行处理
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* @access protected
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* @param mixed $data 要操作的数据
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* @return array
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*/
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protected function _write_data($data) {
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// 检查字段映射
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if(!empty($this->map)) {
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foreach ($this->map as $key=>$val){
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if(isset($data[$key])) {
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$data[$val] = $data[$key];
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unset($data[$key]);
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}
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}
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}
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// 检查非数据字段
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if(!empty($this->fields)) {
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foreach ($data as $key=>$val){
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if(!in_array($key,$this->fields,true)){
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unset($data[$key]);
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}elseif(is_scalar($val) && empty($this->options['bind'][':'.$key])) {
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// 字段类型检查
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$this->_parseType($data,$key);
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}
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}
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}
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// 安全过滤
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if(!empty($this->options['filter'])) {
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$data = array_map($this->options['filter'],$data);
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unset($this->options['filter']);
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}
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// 回调方法
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$this->_before_write($data);
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return $data;
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}
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// 写入数据前的回调方法 包括新增和更新
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protected function _before_write(&$data) {}
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/**
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* 新增数据
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* @access public
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* @param mixed $data 数据
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* @param boolean $replace 是否replace
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* @return mixed
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*/
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public function add($data='',$replace=false) {
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if(empty($data)) {
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// 没有传递数据，获取当前数据对象的值
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if(!empty($this->data)) {
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$data = $this->data;
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// 重置数据
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$this->data = [];
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}else{
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$this->error = Lang::get('_DATA_TYPE_INVALID_');
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return false;
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}
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}
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// 数据处理
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$data = $this->_write_data($data);
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// 分析表达式
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$options = $this->_parseOptions();
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if(false === $this->_before_insert($data,$options)) {
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return false;
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}
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// 写入数据到数据库
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$result = $this->db->insert($data,$options,$replace);
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if(false !== $result && is_numeric($result)) {
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$pk = $this->getPk();
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// 增加复合主键支持
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if (is_array($pk)) return $result;
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$insertId = $this->getLastInsID();
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if($insertId) {
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// 自增主键返回插入ID
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$data[$pk] = $insertId;
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if(false === $this->_after_insert($data,$options)){
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return false;
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}
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return $insertId;
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}
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if(false === $this->_after_insert($data,$options)){
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return false;
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}
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}
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return $result;
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}
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// 插入数据前的回调方法
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protected function _before_insert(&$data,$options) {}
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// 插入成功后的回调方法
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protected function _after_insert($data,$options) {}
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public function addAll($dataList,$options=[],$replace=false){
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if(empty($dataList)) {
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$this->error = Lang::get('_DATA_TYPE_INVALID_');
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return false;
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}
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// 数据处理
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foreach ($dataList as $key=>$data){
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$dataList[$key] = $this->_write_data($data);
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}
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// 分析表达式
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$options = $this->_parseOptions($options);
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// 写入数据到数据库
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$result = $this->db->insertAll($dataList,$options,$replace);
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if(false !== $result ) {
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$insertId = $this->getLastInsID();
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if($insertId) {
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return $insertId;
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}
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}
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return $result;
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}
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/**
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* 保存数据
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* @access public
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* @param mixed $data 数据
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* @return boolean
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*/
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public function save($data='') {
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if(empty($data)) {
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// 没有传递数据，获取当前数据对象的值
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if(!empty($this->data)) {
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$data = $this->data;
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// 重置数据
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$this->data = [];
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}else{
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$this->error = Lang::get('_DATA_TYPE_INVALID_');
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return false;
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}
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}
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// 数据处理
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$data = $this->_write_data($data);
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if(empty($data)){
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// 没有数据则不执行
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$this->error = Lang::get('_DATA_TYPE_INVALID_');
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return false;
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}
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// 分析表达式
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$options = $this->_parseOptions();
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$pk = $this->getPk();
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if(!isset($options['where']) ) {
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// 如果存在主键数据 则自动作为更新条件
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if (is_string($pk) && isset($data[$pk])) {
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$where[$pk] = $data[$pk];
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unset($data[$pk]);
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} elseif (is_array($pk)) {
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// 增加复合主键支持
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foreach ($pk as $field) {
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if(isset($data[$field])) {
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$where[$field] = $data[$field];
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} else {
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// 如果缺少复合主键数据则不执行
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$this->error = Lang::get('_OPERATION_WRONG_');
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return false;
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}
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unset($data[$field]);
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}
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}
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if(!isset($where)){
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// 如果没有任何更新条件则不执行
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$this->error = Lang::get('_OPERATION_WRONG_');
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return false;
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}else{
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$options['where'] = $where;
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}
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}
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if(isset($options['where'][$pk])){
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$pkValue = $options['where'][$pk];
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}
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if(false === $this->_before_update($data,$options)) {
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return false;
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}
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$result = $this->db->update($data,$options);
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if(false !== $result && is_numeric($result)) {
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if(isset($pkValue)) $data[$pk] = $pkValue;
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$this->_after_update($data,$options);
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}
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return $result;
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}
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// 更新数据前的回调方法
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protected function _before_update(&$data,$options) {}
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// 更新成功后的回调方法
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protected function _after_update($data,$options) {}
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/**
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* 删除数据
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* @access public
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* @param mixed $options 表达式
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* @return mixed
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*/
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public function delete($options=[]) {
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$pk = $this->getPk();
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if(empty($options) && empty($this->options['where'])) {
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// 如果删除条件为空 则删除当前数据对象所对应的记录
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if(!empty($this->data) && isset($this->data[$pk])){
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return $this->delete($this->data[$pk]);
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}else{
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return false;
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}
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}
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if(is_numeric($options) || is_string($options)) {
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// 根据主键删除记录
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if(strpos($options,',')) {
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$where[$pk] = ['IN', $options];
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}else{
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$where[$pk] = $options;
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}
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$options = [];
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$options['where'] = $where;
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}
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// 根据复合主键删除记录
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if (is_array($options) && (count($options) > 0) && is_array($pk)) {
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$count = 0;
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foreach (array_keys($options) as $key) {
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if (is_int($key)) $count++;
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}
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if ($count == count($pk)) {
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$i = 0;
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foreach ($pk as $field) {
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$where[$field] = $options[$i];
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unset($options[$i++]);
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}
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$options['where'] = $where;
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} else {
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return false;
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}
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}
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// 分析表达式
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$options = $this->_parseOptions($options);
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if(empty($options['where'])){
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// 如果条件为空 不进行删除操作 除非设置 1=1
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return false;
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}
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if(isset($options['where'][$pk])){
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$pkValue = $options['where'][$pk];
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}
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$result = $this->db->delete($options);
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if(false !== $result && is_numeric($result)) {
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$data = [];
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if(isset($pkValue)) $data[$pk] = $pkValue;
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$this->_after_delete($data,$options);
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}
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// 返回删除记录个数
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return $result;
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}
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// 删除成功后的回调方法
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protected function _after_delete($data,$options) {}
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/**
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* 查询数据集
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* @access public
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* @param mixed $options 表达式参数
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* @return mixed
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*/
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public function select($options=[]) {
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$pk = $this->getPk();
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if(is_string($options) || is_numeric($options)) {
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// 根据主键查询
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if(strpos($options,',')) {
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$where[$pk] = ['IN',$options];
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}else{
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$where[$pk] = $options;
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}
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$options = [];
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$options['where'] = $where;
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}elseif (is_array($options) && (count($options) > 0) && is_array($pk)) {
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// 根据复合主键查询
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$count = 0;
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foreach (array_keys($options) as $key) {
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if (is_int($key)) $count++;
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}
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if ($count == count($pk)) {
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$i = 0;
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foreach ($pk as $field) {
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$where[$field] = $options[$i];
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unset($options[$i++]);
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}
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$options['where'] = $where;
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} else {
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return false;
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}
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}elseif(false === $options){ // 用于子查询 不查询只返回SQL
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$options['fetch_sql'] = true;
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}
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// 分析表达式
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$options = $this->_parseOptions($options);
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// 判断查询缓存
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if(isset($options['cache'])){
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$cache = $options['cache'];
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$key = is_string($cache['key'])?$cache['key']:md5(serialize($options));
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$data = Cache::get($key,'',$cache);
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if(false !== $data){
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return $data;
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}
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}
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$resultSet = $this->db->select($options);
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if(false === $resultSet) {
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return false;
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}
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if(!empty($resultSet)) { // 有查询结果
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if(is_string($resultSet)){
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return $resultSet;
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}
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// 数据列表读取后的处理
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$resultSet = $this->_read_datalist($resultSet);
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if(isset($options['index'])){ // 对数据集进行索引
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$index = explode(',',$options['index']);
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foreach ($resultSet as $result){
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$_key = $result[$index[0]];
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if(isset($index[1]) && isset($result[$index[1]])){
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$cols[$_key] = $result[$index[1]];
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}else{
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$cols[$_key] = $result;
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}
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}
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$resultSet = $cols;
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}
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}
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if(isset($cache)){
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Cache::set($key,$resultSet,$cache);
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}
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return $resultSet;
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}
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/**
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* 数据列表读取后的处理
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* @access protected
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* @param array $data 当前数据
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* @return array
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*/
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protected function _read_datalist($resultSet) {
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$resultSet = array_map([$this,'_read_data'],$resultSet);
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$this->_after_select($resultSet);
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return $resultSet;
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}
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// 查询成功后的回调方法
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protected function _after_select(&$resultSet) {}
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/**
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* 生成查询SQL 可用于子查询
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* @access public
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* @param array $options 表达式参数
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* @return string
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*/
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public function buildSql($options=[]) {
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return '( '.$this->fetchSql(true)->select().' )';
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}
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/**
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* 分析表达式（可用于查询或者写入操作）
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* @access protected
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* @param array $options 表达式参数
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* @return array
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*/
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protected function _parseOptions($options=[]) {
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if(is_array($options))
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$options = array_merge($this->options,$options);
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if(!empty($options['alias'])) {
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$options['table'] .= ' '.$options['alias'];
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}
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// 记录操作的模型名称
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$options['model'] = $this->name;
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if(isset($options['table'])) {// 动态指定表名
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$fields = $this->db->getFields($options['table']);
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$fields = $fields?array_keys($fields):false;
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}else{
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$options['table'] = $this->getTableName();
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$fields = $this->getDbFields();
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}
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// 字段类型验证
|
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if(isset($options['where']) && is_array($options['where']) && !empty($fields)) {
|
|
// 对数组查询条件进行字段类型检查
|
|
foreach ($options['where'] as $key=>$val){
|
|
$key = trim($key);
|
|
if(in_array($key,$fields,true)){
|
|
if(is_scalar($val) && empty($options['bind'][':'.$key])) {
|
|
$this->_parseType($options['where'],$key);
|
|
}
|
|
}elseif('_' != substr($key,0,1) && false === strpos($key,'.') && false === strpos($key,'(') && false === strpos($key,'|') && false === strpos($key,'&')){
|
|
unset($options['where'][$key]);
|
|
}
|
|
}
|
|
}
|
|
// 查询过后清空sql表达式组装 避免影响下次查询
|
|
$this->options = [];
|
|
// 表达式过滤
|
|
$this->_options_filter($options);
|
|
return $options;
|
|
}
|
|
// 表达式过滤回调方法
|
|
protected function _options_filter(&$options) {}
|
|
|
|
/**
|
|
* 数据类型检测
|
|
* @access protected
|
|
* @param mixed $data 数据
|
|
* @param string $key 字段名
|
|
* @return void
|
|
*/
|
|
protected function _parseType(&$data,$key) {
|
|
if(!isset($this->options['bind'][':'.$key]) && isset($this->fields['_type'][$key])) {
|
|
$fieldType = strtolower($this->fields['_type'][$key]);
|
|
if(false !== strpos($fieldType,'enum')){
|
|
// 支持ENUM类型优先检测
|
|
}elseif(false === strpos($fieldType,'bigint') && false !== strpos($fieldType,'int')) {
|
|
$data[$key] = intval($data[$key]);
|
|
}elseif(false !== strpos($fieldType,'float') || false !== strpos($fieldType,'double')){
|
|
$data[$key] = floatval($data[$key]);
|
|
}elseif(false !== strpos($fieldType,'bool')){
|
|
$data[$key] = (bool)$data[$key];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 查询数据
|
|
* @access public
|
|
* @param mixed $options 表达式参数
|
|
* @return mixed
|
|
*/
|
|
public function find($options=[]) {
|
|
$pk = $this->getPk();
|
|
if(is_numeric($options) || is_string($options)) {
|
|
$where[$pk] = $options;
|
|
$options = [];
|
|
$options['where'] = $where;
|
|
}
|
|
// 根据复合主键查找记录
|
|
if (is_array($options) && is_array($pk) && (count($options) > 0) ) {
|
|
// 根据复合主键查询
|
|
$count = 0;
|
|
foreach (array_keys($options) as $key) {
|
|
if (is_int($key)) $count++;
|
|
}
|
|
if ($count == count($pk)) {
|
|
$i = 0;
|
|
foreach ($pk as $field) {
|
|
$where[$field] = $options[$i];
|
|
unset($options[$i++]);
|
|
}
|
|
$options['where'] = $where;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
// 总是查找一条记录
|
|
$options['limit'] = 1;
|
|
// 分析表达式
|
|
$options = $this->_parseOptions($options);
|
|
// 判断查询缓存
|
|
if(isset($options['cache'])){
|
|
$cache = $options['cache'];
|
|
$key = is_string($cache['key'])?$cache['key']:md5(serialize($options));
|
|
$data = Cache::get($key,'',$cache);
|
|
if(false !== $data){
|
|
$this->data = $data;
|
|
return $data;
|
|
}
|
|
}
|
|
$resultSet = $this->db->select($options);
|
|
if(false === $resultSet) {
|
|
return false;
|
|
}
|
|
if(empty($resultSet)) {// 查询结果为空
|
|
return null;
|
|
}
|
|
if(is_string($resultSet)){
|
|
return $resultSet;
|
|
}
|
|
// 数据处理
|
|
$data = $this->_read_data($resultSet[0]);
|
|
// 数据对象赋值
|
|
$this->data = $data;
|
|
if(isset($cache)){
|
|
Cache::set($key,$data,$cache);
|
|
}
|
|
return $this->data;
|
|
}
|
|
|
|
/**
|
|
* 数据读取后的处理
|
|
* @access protected
|
|
* @param array $data 当前数据
|
|
* @return array
|
|
*/
|
|
protected function _read_data($data) {
|
|
// 检查字段映射
|
|
if(!empty($this->map)) {
|
|
foreach ($this->map as $key=>$val){
|
|
if(isset($data[$val])) {
|
|
$data[$key] = $data[$val];
|
|
unset($data[$val]);
|
|
}
|
|
}
|
|
}
|
|
$this->_after_find($data);
|
|
return $data;
|
|
}
|
|
// 数据读取成功后的回调方法
|
|
protected function _after_find(&$result) {}
|
|
|
|
/**
|
|
* 创建数据对象 但不保存到数据库
|
|
* @access public
|
|
* @param mixed $data 创建数据
|
|
* @param string $type 状态
|
|
* @return mixed
|
|
*/
|
|
public function create($data='',$type='') {
|
|
// 如果没有传值默认取POST数据
|
|
if(empty($data)) {
|
|
$data = $_POST;
|
|
}elseif(is_object($data)){
|
|
$data = get_object_vars($data);
|
|
}
|
|
// 验证数据
|
|
if(empty($data) || !is_array($data)) {
|
|
$this->error = Lang::get('_DATA_TYPE_INVALID_');
|
|
return false;
|
|
}
|
|
|
|
// 状态
|
|
$type = $type?$type:(!empty($data[$this->getPk()])?self::MODEL_UPDATE:self::MODEL_INSERT);
|
|
|
|
// 检测提交字段的合法性
|
|
if(isset($this->options['field'])) { // $this->field('field1,field2...')->create()
|
|
$fields = $this->options['field'];
|
|
unset($this->options['field']);
|
|
}elseif($type == self::MODEL_INSERT && isset($this->insertFields)) {
|
|
$fields = $this->insertFields;
|
|
}elseif($type == self::MODEL_UPDATE && isset($this->updateFields)) {
|
|
$fields = $this->updateFields;
|
|
}
|
|
if(isset($fields)) {
|
|
if(is_string($fields)) {
|
|
$fields = explode(',',$fields);
|
|
}
|
|
foreach ($data as $key=>$val){
|
|
if(!in_array($key,$fields)) {
|
|
unset($data[$key]);
|
|
}
|
|
}
|
|
}
|
|
// 过滤创建的数据
|
|
$this->_create_filter($data);
|
|
// 赋值当前数据对象
|
|
$this->data = $data;
|
|
// 返回创建的数据以供其他调用
|
|
return $data;
|
|
}
|
|
// 数据对象创建后的回调方法
|
|
protected function _create_filter(&$data){}
|
|
|
|
/**
|
|
* 切换当前的数据库连接
|
|
* @access public
|
|
* @param integer $linkNum 连接序号
|
|
* @param mixed $config 数据库连接信息
|
|
* @return Model
|
|
*/
|
|
public function db($linkNum='',$config=''){
|
|
if(''===$linkNum && $this->db) {
|
|
return $this->db;
|
|
}
|
|
if(!isset($this->_db[$linkNum])) {
|
|
// 创建一个新的实例
|
|
if(!empty($config) && is_string($config) && false === strpos($config,'/')) { // 支持读取配置参数
|
|
$config = Config::get($config);
|
|
}
|
|
$this->_db[$linkNum] = Db::instance($config);
|
|
}elseif(null === $config){
|
|
$this->_db[$linkNum]->close(); // 关闭数据库连接
|
|
unset($this->_db[$linkNum]);
|
|
return ;
|
|
}
|
|
|
|
// 切换数据库连接
|
|
$this->db = $this->_db[$linkNum];
|
|
$this->_after_db();
|
|
return $this;
|
|
}
|
|
// 数据库切换后回调方法
|
|
protected function _after_db() {}
|
|
|
|
/**
|
|
* 得到当前的数据对象名称
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function getModelName() {
|
|
if(empty($this->name))
|
|
$this->name = substr(get_class($this),0,-5);
|
|
return $this->name;
|
|
}
|
|
|
|
/**
|
|
* 得到完整的数据表名
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function getTableName() {
|
|
if(empty($this->trueTableName)) {
|
|
$tableName = !empty($this->tablePrefix) ? $this->tablePrefix : '';
|
|
if(!empty($this->tableName)) {
|
|
$tableName .= $this->tableName;
|
|
}else{
|
|
$tableName .= parse_name($this->name);
|
|
}
|
|
$this->trueTableName = strtolower($tableName);
|
|
}
|
|
return (!empty($this->dbName)?$this->dbName.'.':'').$this->trueTableName;
|
|
}
|
|
|
|
/**
|
|
* 返回模型的错误信息
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function getError(){
|
|
return $this->error;
|
|
}
|
|
|
|
/**
|
|
* 返回数据库的错误信息
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function getDbError() {
|
|
return $this->db->getError();
|
|
}
|
|
|
|
/**
|
|
* 返回最后插入的ID
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function getLastInsID() {
|
|
return $this->db->getLastInsID();
|
|
}
|
|
|
|
/**
|
|
* 返回最后执行的sql语句
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function getLastSql() {
|
|
return $this->db->getLastSql($this->name);
|
|
}
|
|
|
|
/**
|
|
* 获取主键名称
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function getPk() {
|
|
return isset($this->fields['_pk'])?$this->fields['_pk']:$this->pk;
|
|
}
|
|
|
|
/**
|
|
* 获取数据表字段信息
|
|
* @access public
|
|
* @return array
|
|
*/
|
|
public function getDbFields(){
|
|
if($this->fields) {
|
|
$fields = $this->fields;
|
|
unset($fields['_pk'],$fields['_type']);
|
|
return $fields;
|
|
}else{
|
|
$fields = Cache::get(md5($this->getTableName()));
|
|
if(!$fields) {
|
|
$fields = $this->db->getFields($this->getTableName());
|
|
$this->fields = array_keys($fields);
|
|
foreach ($fields as $key=>$val){
|
|
// 记录字段类型
|
|
$type[$key] = $val['type'];
|
|
if($val['primary']) {
|
|
// 增加复合主键支持
|
|
if (!empty($this->fields['_pk'])) {
|
|
if (is_string($this->fields['_pk'])) {
|
|
$this->pk = array($this->fields['_pk']);
|
|
$this->fields['_pk'] = $this->pk;
|
|
}
|
|
$this->pk[] = $key;
|
|
$this->fields['_pk'][] = $key;
|
|
} else {
|
|
$this->pk = $key;
|
|
$this->fields['_pk'] = $key;
|
|
}
|
|
}
|
|
}
|
|
// 记录字段类型信息
|
|
$this->fields['_type'] = $type;
|
|
Cache::set(md5($this->trueTableName),$this->fields);
|
|
$fields = $this->fields;
|
|
}else{
|
|
$this->fields = $fields;
|
|
}
|
|
unset($fields['_pk'],$fields['_type']);
|
|
return $fields;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* SQL查询
|
|
* @access public
|
|
* @param string $sql SQL指令
|
|
* @param mixed $parse 是否需要解析SQL
|
|
* @return mixed
|
|
*/
|
|
public function query($sql,$parse=false) {
|
|
if(!is_bool($parse) && !is_array($parse)) {
|
|
$parse = func_get_args();
|
|
array_shift($parse);
|
|
}
|
|
$sql = $this->parseSql($sql,$parse);
|
|
return $this->db->query($sql);
|
|
}
|
|
|
|
/**
|
|
* 执行SQL语句
|
|
* @access public
|
|
* @param string $sql SQL指令
|
|
* @param mixed $parse 是否需要解析SQL
|
|
* @return false | integer
|
|
*/
|
|
public function execute($sql,$parse=false) {
|
|
if(!is_bool($parse) && !is_array($parse)) {
|
|
$parse = func_get_args();
|
|
array_shift($parse);
|
|
}
|
|
$sql = $this->parseSql($sql,$parse);
|
|
return $this->db->execute($sql);
|
|
}
|
|
|
|
/**
|
|
* 解析SQL语句
|
|
* @access public
|
|
* @param string $sql SQL指令
|
|
* @param boolean $parse 是否需要解析SQL
|
|
* @return string
|
|
*/
|
|
protected function parseSql($sql,$parse) {
|
|
// 分析表达式
|
|
if(true === $parse) {
|
|
$options = $this->_parseOptions();
|
|
$sql = $this->db->parseSql($sql,$options);
|
|
}elseif(is_array($parse)){ // SQL预处理
|
|
$parse = array_map(array($this->db,'escapeString'),$parse);
|
|
$sql = vsprintf($sql,$parse);
|
|
}else{
|
|
$sql = strtr($sql,array('__TABLE__'=>$this->getTableName(),'__PREFIX__'=>$this->tablePrefix));
|
|
$prefix = $this->tablePrefix;
|
|
$sql = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $sql);
|
|
}
|
|
$this->db->setModel($this->name);
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* 设置数据对象值
|
|
* @access public
|
|
* @param mixed $data 数据
|
|
* @return Model
|
|
*/
|
|
public function data($data=''){
|
|
if('' === $data && !empty($this->data)) {
|
|
return $this->data;
|
|
}
|
|
if(is_object($data)){
|
|
$data = get_object_vars($data);
|
|
}elseif(is_string($data)){
|
|
parse_str($data,$data);
|
|
}elseif(!is_array($data)){
|
|
E(Lang::get('_DATA_TYPE_INVALID_'));
|
|
}
|
|
$this->data = $data;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 查询SQL组装 join
|
|
* @access public
|
|
* @param mixed $join
|
|
* @param string $type JOIN类型
|
|
* @return Model
|
|
*/
|
|
public function join($join,$type='INNER') {
|
|
$prefix = $this->tablePrefix;
|
|
if(is_array($join)) {
|
|
foreach ($join as $key=>&$_join){
|
|
$_join = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $_join);
|
|
$_join = false !== stripos($_join,'JOIN')? $_join : $type.' JOIN ' .$_join;
|
|
}
|
|
$this->options['join'] = $join;
|
|
}elseif(!empty($join)) {
|
|
//将__TABLE_NAME__字符串替换成带前缀的表名
|
|
$join = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $join);
|
|
$this->options['join'][] = false !== stripos($join,'JOIN')? $join : $type.' JOIN '.$join;
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 查询SQL组装 union
|
|
* @access public
|
|
* @param mixed $union
|
|
* @param boolean $all
|
|
* @return Model
|
|
*/
|
|
public function union($union,$all=false) {
|
|
if(empty($union)) return $this;
|
|
if($all) {
|
|
$this->options['union']['_all'] = true;
|
|
}
|
|
if(is_object($union)) {
|
|
$union = get_object_vars($union);
|
|
}
|
|
// 转换union表达式
|
|
if(is_string($union) ) {
|
|
$prefix = $this->tablePrefix;
|
|
//将__TABLE_NAME__字符串替换成带前缀的表名
|
|
$options = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $union);
|
|
}elseif(is_array($union)){
|
|
if(isset($union[0])) {
|
|
$this->options['union'] = array_merge($this->options['union'],$union);
|
|
return $this;
|
|
}else{
|
|
$options = $union;
|
|
}
|
|
}else{
|
|
E(Lang::get('_DATA_TYPE_INVALID_'));
|
|
}
|
|
$this->options['union'][] = $options;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 查询缓存
|
|
* @access public
|
|
* @param mixed $key
|
|
* @param integer $expire
|
|
* @param string $type
|
|
* @return Model
|
|
*/
|
|
public function cache($key=true,$expire=null,$type=''){
|
|
// 增加快捷调用方式 cache(10) 等同于 cache(true, 10)
|
|
if(is_numeric($key) && is_null($expire)){
|
|
$expire = $key;
|
|
$key = true;
|
|
}
|
|
if(false !== $key)
|
|
$this->options['cache'] = ['key'=>$key,'expire'=>$expire,'type'=>$type];
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定查询字段 支持字段排除
|
|
* @access public
|
|
* @param mixed $field
|
|
* @param boolean $except 是否排除
|
|
* @return Model
|
|
*/
|
|
public function field($field,$except=false){
|
|
if(true === $field) {// 获取全部字段
|
|
$fields = $this->getDbFields();
|
|
$field = $fields?:'*';
|
|
}elseif($except) {// 字段排除
|
|
if(is_string($field)) {
|
|
$field = explode(',',$field);
|
|
}
|
|
$fields = $this->getDbFields();
|
|
$field = $fields?array_diff($fields,$field):$field;
|
|
}
|
|
$this->options['field'] = $field;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 调用命名范围
|
|
* @access public
|
|
* @param mixed $scope 命名范围名称 支持多个 和直接定义
|
|
* @param array $args 参数
|
|
* @return Model
|
|
*/
|
|
public function scope($scope='',$args=null){
|
|
if('' === $scope) {
|
|
if(isset($this->scope['default'])) {
|
|
// 默认的命名范围
|
|
$options = $this->scope['default'];
|
|
}else{
|
|
return $this;
|
|
}
|
|
}elseif(is_string($scope)){ // 支持多个命名范围调用 用逗号分割
|
|
$scopes = explode(',',$scope);
|
|
$options = [];
|
|
foreach ($scopes as $name){
|
|
if(!isset($this->scope[$name])) continue;
|
|
$options = array_merge($options,$this->scope[$name]);
|
|
}
|
|
if(!empty($args) && is_array($args)) {
|
|
$options = array_merge($options,$args);
|
|
}
|
|
}elseif(is_array($scope)){ // 直接传入命名范围定义
|
|
$options = $scope;
|
|
}
|
|
|
|
if(is_array($options) && !empty($options)){
|
|
$this->options = array_merge($this->options,array_change_key_case($options));
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定查询条件 支持安全过滤
|
|
* @access public
|
|
* @param mixed $where 条件表达式
|
|
* @param mixed $parse 预处理参数
|
|
* @return Model
|
|
*/
|
|
public function where($where,$parse=null){
|
|
if(!is_null($parse) && is_string($where)) {
|
|
if(!is_array($parse)) {
|
|
$parse = func_get_args();
|
|
array_shift($parse);
|
|
}
|
|
$parse = array_map([$this->db,'escapeString'],$parse);
|
|
$where = vsprintf($where,$parse);
|
|
}elseif(is_object($where)){
|
|
$where = get_object_vars($where);
|
|
}
|
|
if(is_string($where) && '' != $where){
|
|
$map = [];
|
|
$map['_string'] = $where;
|
|
$where = $map;
|
|
}
|
|
if(isset($this->options['where'])){
|
|
$this->options['where'] = array_merge($this->options['where'],$where);
|
|
}else{
|
|
$this->options['where'] = $where;
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定查询数量
|
|
* @access public
|
|
* @param mixed $offset 起始位置
|
|
* @param mixed $length 查询数量
|
|
* @return Model
|
|
*/
|
|
public function limit($offset,$length=null){
|
|
if(is_null($length) && strpos($offset,',')){
|
|
list($offset,$length) = explode(',',$offset);
|
|
}
|
|
$this->options['limit'] = intval($offset).( $length? ','.intval($length) : '' );
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定分页
|
|
* @access public
|
|
* @param mixed $page 页数
|
|
* @param mixed $listRows 每页数量
|
|
* @return Model
|
|
*/
|
|
public function page($page,$listRows=null){
|
|
if(is_null($listRows) && strpos($page,',')){
|
|
list($page,$listRows) = explode(',',$page);
|
|
}
|
|
$this->options['page'] = array(intval($page),intval($listRows));
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定数据表
|
|
* @access public
|
|
* @param string $table 表名
|
|
* @return Model
|
|
*/
|
|
public function table($table){
|
|
$prefix = $this->tablePrefix;
|
|
if(is_array($table)) {
|
|
$this->options['table'] = $table;
|
|
}elseif(!empty($table)) {
|
|
//将__TABLE_NAME__替换成带前缀的表名
|
|
$table = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $table);
|
|
$this->options['table'] = $table;
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* USING支持 用于多表删除
|
|
* @access public
|
|
* @param mixed $using
|
|
* @return Model
|
|
*/
|
|
public function using($using){
|
|
$prefix = $this->tablePrefix;
|
|
if(is_array($using)) {
|
|
$this->options['using'] = $using;
|
|
}elseif(!empty($using)) {
|
|
//将__TABLE_NAME__替换成带前缀的表名
|
|
$using = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $using);
|
|
$this->options['using'] = $using;
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定排序
|
|
* @access public
|
|
* @param string $order 排序
|
|
* @return Model
|
|
*/
|
|
public function order($order){
|
|
$this->options['order'] = $order;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定group查询
|
|
* @access public
|
|
* @param string $group GROUP
|
|
* @return Model
|
|
*/
|
|
public function group($group){
|
|
$this->options['group'] = $group;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定having查询
|
|
* @access public
|
|
* @param string $having having
|
|
* @return Model
|
|
*/
|
|
public function having($table){
|
|
$this->options['having'] = $having;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定查询lock
|
|
* @access public
|
|
* @param boolean $lock 是否lock
|
|
* @return Model
|
|
*/
|
|
public function lock($lock=false){
|
|
$this->options['lock'] = $lock;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定distinct查询
|
|
* @access public
|
|
* @param string $distinct 是否唯一
|
|
* @return Model
|
|
*/
|
|
public function distinct($distinct){
|
|
$this->options['distinct'] = $distinct;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定数据表别名
|
|
* @access public
|
|
* @param string $alias 数据表别名
|
|
* @return Model
|
|
*/
|
|
public function alias($alias){
|
|
$this->options['alias'] = $alias;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定写入过滤方法
|
|
* @access public
|
|
* @param string $filter 指定过滤方法
|
|
* @return Model
|
|
*/
|
|
public function filter($filter){
|
|
$this->options['filter'] = $filter;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 对数据集进行索引
|
|
* @access public
|
|
* @param string $index 索引名称
|
|
* @return Model
|
|
*/
|
|
public function index($index){
|
|
$this->options['index'] = $index;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 指定强制索引
|
|
* @access public
|
|
* @param string $force 索引名称
|
|
* @return Model
|
|
*/
|
|
public function force($force){
|
|
$this->options['force'] = $force;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 参数绑定
|
|
* @access public
|
|
* @param string $key 参数名
|
|
* @param mixed $value 绑定的变量及绑定参数
|
|
* @return Model
|
|
*/
|
|
public function bind($key,$value=false) {
|
|
if(is_array($key)){
|
|
$this->options['bind'] = $key;
|
|
}else{
|
|
$num = func_num_args();
|
|
if($num>2){
|
|
$params = func_get_args();
|
|
array_shift($params);
|
|
$this->options['bind'][$key] = $params;
|
|
}else{
|
|
$this->options['bind'][$key] = $value;
|
|
}
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 查询注释
|
|
* @access public
|
|
* @param string $comment 注释
|
|
* @return Model
|
|
*/
|
|
public function comment($comment){
|
|
$this->options['comment'] = $comment;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 获取执行的SQL语句
|
|
* @access public
|
|
* @param boolean $fetch 是否返回sql
|
|
* @return Model
|
|
*/
|
|
public function fetchSql($fetch=true){
|
|
$this->options['fetch_sql'] = $fetch;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* 设置字段映射
|
|
* @access public
|
|
* @param array $map 映射
|
|
* @return Model
|
|
*/
|
|
public function map($map){
|
|
$this->map = $map;
|
|
return $this;
|
|
}
|
|
} |