更新

2026-07-06 23:02:48 +08:00 · 2015-01-22 09:29:54 +08:00
parent 1df472b73e
commit b32d00b7f8
110 changed files with 20437 additions and 0 deletions
--- a/library/think/db/driver/mysql.php
+++ b/library/think/db/driver/mysql.php
@@ -0,0 +1,92 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace Think\Db\Driver;
+use Think\Db\Driver;
+
+/**
+ * mysql数据库驱动 
+ */
+class Mysql extends Driver{
+
+    /**
+     * 解析pdo连接的dsn信息
+     * @access public
+     * @param array $config 连接信息
+     * @return string
+     */
+    protected function parseDsn($config){
+        $dsn  =   'mysql:dbname='.$config['database'].';host='.$config['hostname'];
+        if(!empty($config['hostport'])) {
+            $dsn  .= ';port='.$config['hostport'];
+        }elseif(!empty($config['socket'])){
+            $dsn  .= ';unix_socket='.$config['socket'];
+        }
+        if(!empty($config['charset'])){
+            $dsn  .= ';charset='.$config['charset'];
+        }
+        return $dsn;
+    }
+
+    /**
+     * 取得数据表的字段信息
+     * @access public
+     */
+    public function getFields($tableName) {
+        $this->initConnect(true);
+        list($tableName) = explode(' ', $tableName);
+        $sql   = 'SHOW COLUMNS FROM `'.$tableName.'`';
+        $result = $this->query($sql);
+        $info   =   [];
+        if($result) {
+            foreach ($result as $key => $val) {
+                $info[$val['field']] = [
+                    'name'    => $val['field'],
+                    'type'    => $val['type'],
+                    'notnull' => (bool) ($val['null'] === ''), // not null is empty, null is yes
+                    'default' => $val['default'],
+                    'primary' => (strtolower($val['key']) == 'pri'),
+                    'autoinc' => (strtolower($val['extra']) == 'auto_increment'),
+                ];
+            }
+        }
+        return $info;
+    }
+
+    /**
+     * 取得数据库的表信息
+     * @access public
+     */
+    public function getTables($dbName='') {
+        $sql    = !empty($dbName)?'SHOW TABLES FROM '.$dbName:'SHOW TABLES ';
+        $result = $this->query($sql);
+        $info   =   [];
+        foreach ($result as $key => $val) {
+            $info[$key] = current($val);
+        }
+        return $info;
+    }
+
+    /**
+     * 字段和表名处理
+     * @access protected
+     * @param string $key
+     * @return string
+     */
+    protected function parseKey(&$key) {
+        $key   =  trim($key);
+        if(!preg_match('/[,\'\"\*\(\)`.\s]/',$key)) {
+           $key = '`'.$key.'`';
+        }
+        return $key;            
+    }
+
+}