修正block标签嵌套时外层不能正确替换的问题；

library/think/Template.php

@@ -22,7 +22,7 @@ class Template
     protected $data = [];
     // 引擎配置
     protected $config = [
-        'tpl_path'           => VIEW_PATH, // 模板路径
+        'tpl_path'           => '', // 模板路径
         'tpl_suffix'         => '.html', // 默认模板文件后缀
         'cache_suffix'       => '.php', // 默认模板缓存后缀
         'tpl_deny_func_list' => 'echo,exit', // 模板引擎禁用函数
@@ -62,6 +62,9 @@ class Template
         $this->config['taglib_end']   = $this->stripPreg($this->config['taglib_end']);
         $this->config['tpl_begin']    = $this->stripPreg($this->config['tpl_begin']);
         $this->config['tpl_end']      = $this->stripPreg($this->config['tpl_end']);
+        if (empty($this->config['tpl_path']) && defined('VIEW_PATH')) {
+            $this->config['tpl_path'] = VIEW_PATH;
+        }
 
         // 初始化模板编译存储器
         $type          = $this->config['compile_type'] ? $this->config['compile_type'] : 'File';
@@ -382,7 +385,8 @@ class Template
                     $parseStr = $this->parseTemplateName($file);
                     // 替换变量
                     foreach ($array as $k => $v) {
-                        if (0 == strpos($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'], '\\');
                         }
                         $parseStr = str_replace('[' . $k . ']', $v, $parseStr);
@@ -488,7 +492,7 @@ class Template
         $regex = $this->getRegex('block');
         $array = [];
         if (preg_match_all($regex, $content, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
-            $right = [];
+            $right = $keys = [];
             foreach ($matches as $match) {
                 if (empty($match['name'][0])) {
                     if (!empty($right)) {
@@ -501,6 +505,7 @@ class Template
                             'content' => substr($content, $start, $len),
                             'end'     => $end,
                         ];
+                        $keys[] = $begin['offset'];
                     } else {
                         continue;
                     }
@@ -513,6 +518,8 @@ class Template
                 }
             }
             unset($right, $matches);
+            // 按blocks标签在模板中的位置排序
+            array_multisort($keys, $array);
         }
         return $array;
     }
@@ -670,9 +677,8 @@ class Template
                         break;
                     case '-':
                     case '+':    // 输出计算
-                        $str = substr($str, 1);
                         $this->parseVar($str);
-                        $str = '<?php echo ' . $flag .  $str . '; ?>';
+                        $str = '<?php echo ' .  $str . '; ?>';
                         break;
                     case '/':    // 注释标签
                         $flag2 = substr($str, 1, 1);

tests/thinkphp/library/think/extend.html

@@ -1,11 +1,4 @@
-{layout name="layout" replace="[__REPLACE__]" /}
-<div>
-    {include file="include" name="$info.name" value="$info.value" /}
-{block name="main"}
-        main
-{/block}
-{literal}
-    {$name}
-{/literal}
-    <?php echo 'php code'; ?>
-</div>
+{extend name="extend2" /}
+{block name="mainbody"}
+    mainbody
+{/block}

tests/thinkphp/library/think/extend2.html

@@ -0,0 +1,16 @@
+{layout name="layout" replace="[__REPLACE__]" /}
+<div>
+    {include file="include" name="info" value="$info.value" /}
+{block name="main"}
+{block name="side"}
+    side
+{/block}
+{block name="mainbody"}
+
+{/block}
+{/block}
+{literal}
+    {$name}
+{/literal}
+    <?php echo 'php code'; ?>
+</div>

tests/thinkphp/library/think/templateTest.php

@@ -255,7 +255,7 @@ EOF;
 
         $content = <<<EOF
 {extend name="extend" /}
-{block name="main"}
+{block name="side"}
     {include file="include" name="\$user.name" value="\$user.account" /}
     {\$message}{literal}{\$message}{/literal}
 {/block}
@@ -263,12 +263,17 @@ EOF;
         $data = <<<EOF
 <nav>
 <div>
-    <input name="<?php echo \$info['name']; ?>" value="<?php echo \$info['value']; ?>">
+    <input name="info" value="<?php echo \$info['value']; ?>">
+
 
     <input name="<?php echo \$user['name']; ?>" value="<?php echo \$user['account']; ?>">
     <?php echo \$message; ?>{\$message}
 
 
+    mainbody
+
+
+
     {\$name}
 
     <?php echo 'php code'; ?>
@@ -288,7 +293,7 @@ EOF;
         $_SERVER['SERVER_NAME'] = 'server_name';
         $_GET['action'] = 'action';
         $_POST['action'] = 'action';
-        \think\Cookie::set('action', ['name' => 'name']);
+        $_COOKIE['name'] = 'name';
         \think\Session::set('action', ['name' => 'name']);
         define('SITE_NAME', 'site_name');