改进模板缓存检测方式；增加全局布局文件开关

library/think/Template.php

@@ -34,6 +34,9 @@ class Template
         'compile_type'       => 'file', // 模板编译类型
         'cache_prefix'       => '', // 模板缓存前缀标识，可以动态改变
         'cache_time'         => 0, // 模板缓存有效期 0 为永久，(以数字为值，单位:秒)
+        'cache_record_file'  => 'cache_record_file', // 记录模板更新时间的文件
+        'layout_on'          => false, // 布局模板开关
+        'layout_name'        => 'layout', // 布局模板入口文件
         'layout_item'        => '{__CONTENT__}', // 布局模板的内容替换标识
         'taglib_begin'       => '{', // 标签库标签开始标记
         'taglib_end'         => '}', // 标签库标签结束标记
@@ -48,6 +51,8 @@ class Template
     ];
 
     private   $literal     = [];
+    private   $includeFile = []; // 记录所有模板包含的文件路径及更新时间
+    private   $md5Key      = ''; // 保存当前模板的md5码
     protected $storage     = null;
 
     /**
@@ -221,8 +226,20 @@ class Template
             // 优先对配置设定检测
             return false;
         }
+        $this->md5Key = md5($template);
+        $recordFile   = $this->config['cache_path'] . md5($this->config['cache_record_file']) . $this->config['cache_suffix'];
+        if (!is_file($recordFile)) {
+            return false;
+        } else {
+            $this->includeFile = $this->storage->read($recordFile, [], true);
+            if (!isset($this->includeFile[$this->md5Key])) {
+                // 缓存记录中无此模板
+                return false;
+            } else {
                 // 检查编译存储是否有效
-        return $this->storage->check($template, $cacheFile, $this->config['cache_time']);
+                return $this->storage->check($this->includeFile[$this->md5Key], $cacheFile, $this->config['cache_time']);
+            }
+        }
     }
 
     /**
@@ -249,6 +266,26 @@ class Template
      */
     private function compiler(&$content, $cacheFile)
     {
+        // 判断是否启用布局
+        if ($this->config['layout_on']) {
+            if (false !== strpos($content, '{__NOLAYOUT__}')) {
+                // 可以单独定义不使用布局
+                $content = str_replace('{__NOLAYOUT__}', '', $content);
+            } else {
+                // 读取布局模板
+                $layoutFile = $this->parseTemplateFile($this->config['layout_name']);
+                // 检查布局文件
+                if (is_file($layoutFile)) {
+                    // 替换布局的主体内容
+                    $content = str_replace($this->config['layout_item'], $content, file_get_contents($layoutFile));
+                    // 记录布局文件的更新时间
+                    $this->includeFile[$this->md5Key][filemtime($layoutFile)] = $layoutFile;
+                } else {
+                    throw new Exception('template not exist:' . $layoutFile, 10700);
+                }
+            }
+        }
+
         // 模板解析
         $this->parse($content);
         // 添加安全代码
@@ -266,6 +303,10 @@ class Template
         $content = str_replace(array_keys($replace), array_values($replace), $content);
         // 编译存储
         $this->storage->write($cacheFile, $content);
+        // 保存模板更新记录
+        $string = "<?php\nreturn " . var_export($this->includeFile, true) . ';';
+        $this->storage->write($this->config['cache_path'] . md5($this->config['cache_record_file']) . $this->config['cache_suffix'], $string);
+        $this->includeFile = [];
         return;
     }
 
@@ -361,15 +402,17 @@ class Template
             $content = str_replace($matches[0], '', $content);
             // 解析Layout标签
             $array = $this->parseAttr($matches[0]);
-            //if (!C('LAYOUT_ON') || C('LAYOUT_NAME') != $array['name']) {
+            if (!$this->config['layout_on'] || $this->config['layout_name'] != $array['name']) {
                 // 读取布局模板
-            $layoutFile = (defined('THEME_PATH') && substr_count($array['name'], '/') < 2 ? THEME_PATH : $this->config['view_path']) . $array['name'] . $this->config['view_suffix'];
+                $layoutFile = $this->parseTemplateFile($array['name']);
                 if (is_file($layoutFile)) {
                     $replace = isset($array['replace']) ? $array['replace'] : $this->config['layout_item'];
                     // 替换布局的主体内容
                     $content = str_replace($replace, $content, file_get_contents($layoutFile));
+                    // 记录布局文件的更新时间
+                    $this->includeFile[$this->md5Key][filemtime($layoutFile)] = $layoutFile;
+                }
             }
-            //}
         } else {
             $content = str_replace('{__NOLAYOUT__}', '', $content);
         }
@@ -397,7 +440,7 @@ class Template
                     foreach ($array as $k => $v) {
                         // 以$开头字符串转换成模板变量
                         if (0 === strpos($v, '$')) {
-                            $v = ltrim($this->config['tpl_begin'], '\\') . $v . ltrim($this->config['tpl_end'], '\\');
+                            $v = $this->get(substr($v, 1));
                         }
                         $parseStr = str_replace('[' . $k . ']', $v, $parseStr);
                     }
@@ -920,6 +963,8 @@ class Template
             if (is_file($template)) {
                 // 获取模板文件内容
                 $parseStr .= file_get_contents($template);
+                // 记录模板文件的更新时间
+                $this->includeFile[$this->md5Key][filemtime($template)] = $template;
             }
         }
         return $parseStr;

library/think/template/driver/File.php

@@ -15,7 +15,12 @@ use think\Exception;
 
 class File
 {
-    // 写入编译缓存
+    /**
+     * 写入编译缓存
+     * @string $cacheFile 缓存的文件名
+     * @string $content 缓存的内容
+     * @return void|array
+     */
     public function write($cacheFile, $content)
     {
         // 检测模板目录
@@ -29,22 +34,43 @@ class File
         }
     }
 
-    // 读取编译编译
+    /**
-    public function read($cacheFile, $vars)
+     * 读取编译编译
+     * @string $cacheFile 缓存的文件名
+     * @array $vars 变量数组
+     * @boolean $isReturn 是否返回内容
+     * @return void|array
+     */
+    public function read($cacheFile, $vars = [], $isReturn = false)
     {
+        if (!empty($vars) && is_array($vars)) {
             // 模板阵列变量分解成为独立变量
             extract($vars, EXTR_OVERWRITE);
+        }
+        if ($isReturn) {
             //载入模版缓存文件
             include $cacheFile;
+        } else {
+            return include $cacheFile;
+        }
     }
 
-    // 检查编译缓存是否有效
+    /**
-    public function check($template, $cacheFile, $cacheTime)
+     * 检查编译缓存是否有效
+     * @array $template 用到的模板更新时间列表
+     * @string $cacheFile 缓存的文件名
+     * @int $cacheTime 缓存时间
+     * @return boolean
+     */
+    public function check($files, $cacheFile, $cacheTime)
     {
-        if (!is_file($cacheFile) || (is_file($template) && filemtime($template) > filemtime($cacheFile))) {
+        foreach($files as $time => $path) {
+            if (is_file($path) && filemtime($path) > $time) {
                 // 模板文件如果有更新则缓存需要更新
                 return false;
-        } elseif (0 != $cacheTime && time() > filemtime($cacheFile) + $cacheTime) {
+            }
+        }
+        if (0 != $cacheTime && time() > filemtime($cacheFile) + $cacheTime) {
             // 缓存是否在有效期
             return false;
         }

library/think/template/driver/Sae.php

@@ -35,7 +35,12 @@ class Sae
         }
     }
 
-    // 写入编译缓存
+    /**
+     * 写入编译缓存
+     * @string $cacheFile 缓存的文件名
+     * @string $content 缓存的内容
+     * @return void|array
+     */
     public function write($cacheFile, $content)
     {
         // 添加写入时间
@@ -48,23 +53,42 @@ class Sae
         }
     }
 
-    // 读取编译编译
+    /**
-    public function read($cacheFile, $vars)
+     * 读取编译编译
+     * @string $cacheFile 缓存的文件名
+     * @array $vars 变量数组
+     * @boolean $isReturn 是否返回内容
+     * @return void|array
+     */
+    public function read($cacheFile, $vars = [], $isReturn = false)
     {
-        if (!is_null($vars)) {
+        if (!empty($vars) && is_array($vars)) {
             extract($vars, EXTR_OVERWRITE);
         }
+        if ($isReturn) {
+            return $this->get($cacheFile, 'content');
+        } else {
             eval('?>' . $this->get($cacheFile, 'content'));
         }
+    }
 
-    // 检查编译缓存是否有效
+    /**
+     * 检查编译缓存是否有效
+     * @array $template 用到的模板更新时间列表
+     * @string $cacheFile 缓存的文件名
+     * @int $cacheTime 缓存时间
+     * @return boolean
+     */
     public function check($template, $cacheFile, $cacheTime)
     {
-        $mtime = $this->get($cacheFile, 'mtime');
+        foreach($template as $time => $path) {
-        if (!$this->get($cacheFile, 'content') || (is_file($template) && filemtime($template) > $mtime)) {
+            if (is_file($path) && filemtime($path) > $time) {
                 // 模板文件如果有更新则缓存需要更新
                 return false;
-        }if (0 != $cacheTime && time() > $mtime + $cacheTime) {
+            }
+        }
+        $mtime = $this->get($cacheFile, 'mtime');
+        if (0 != $cacheTime && time() > $mtime + $cacheTime) {
             // 缓存是否在有效期
             return false;
         } else {

tests/thinkphp/library/think/extend2.html

@@ -1,4 +1,4 @@
-{layout name="layout" replace="[__REPLACE__]" /}
+{layout name="layout2" replace="[__REPLACE__]" /}
 <div>
     {include file="include" name="info" value="$info.value" /}
 {block name="main"}

tests/thinkphp/library/think/include2.html

@@ -1 +1 @@
-include2
+{$info.value}:

tests/thinkphp/library/think/layout.html

@@ -1,2 +1,2 @@
-<nav>[__REPLACE__]
+<div>{__CONTENT__}
-</nav>
+</div>

tests/thinkphp/library/think/layout2.html

@@ -0,0 +1,2 @@
+<nav>[__REPLACE__]
+</nav>

tests/thinkphp/library/think/templateTest.php

@@ -247,47 +247,6 @@ EOF;
         $this->assertEquals($data, $content);
     }
 
-    public function testTag()
-    {
-        $config['view_path']   = dirname(__FILE__) . '/';
-        $config['view_suffix'] = '.html';
-        $template              = new Template($config);
-        $files                 = ['extend' => 'extend', 'include' => 'include'];
-        $template->assign('files', $files);
-
-        $content = <<<EOF
-{extend name="\$files.extend" /}
-{block name="side"}
-    {include file="\$files.include" name="\$user.name" value="\$user.account" /}
-    {\$message}{literal}{\$message}{/literal}
-{/block}
-EOF;
-        $data = <<<EOF
-<nav>
-<div>
-    <input name="info" value="<?php echo \$info['value']; ?>">
-include2
-
-
-    <input name="<?php echo \$user['name']; ?>" value="<?php echo \$user['account']; ?>">
-include2
-    <?php echo \$message; ?>{\$message}
-
-
-    mainbody
-
-
-
-    {\$name}
-
-    <?php echo 'php code'; ?>
-</div>
-</nav>
-EOF;
-        $template->parse($content);
-        $this->assertEquals($data, $content);
-    }
-
     public function testThinkVar()
     {
         $config['tpl_begin'] = '{';
@@ -360,15 +319,47 @@ EOF;
 
     public function testFetch()
     {
-        $template            = new Template();
+        $config['view_path']    = dirname(__FILE__) . '/';
-        $template->view_path = dirname(__FILE__) . '/';
+        $config['view_suffix']  = '.html';
-        $data                = ['name' => 'value'];
+        $config['layout_on']   = true;
-        $content             = <<<EOF
+        $config['layout_name'] = 'layout';
-{\$name}
+        $template              = new Template($config);
-EOF;
+        $files                 = ['extend' => 'extend', 'include' => 'include'];
+        $template->assign('files', $files);
+        $template->assign('user', ['name' => 'name', 'account' => 100]);
+        $template->assign('message', 'message');
+        $template->assign('info', ['value' => 'value']);
 
-        $template->fetch($content, $data);
+        $content  = <<<EOF
-        $this->expectOutputString('value');
+{extend name="\$files.extend" /}
+{block name="side"}
+    {include file="\$files.include" name="\$user.name" value="\$user.account" /}
+    {\$message}{literal}{\$message}{/literal}
+{/block}
+EOF;
+        $content2 = <<<EOF
+<nav>
+<div>
+    <input name="info" value="value">
+value:
+
+
+    <input name="name" value="100">
+value:
+    message{\$message}
+
+
+    mainbody
+
+
+
+    {\$name}
+
+    php code</div>
+</nav>
+EOF;
+        $template->fetch($content);
+        $this->expectOutputString($content2);
     }
 
     public function testVarAssign()