前段时间学习angularjs, 里面的模板思想和实现方法很酷, 就心血来潮, 想实现一个php版的, 今天试着写了一下, 发现貌似可以, 具体看源码.
./ThinkPHP/Library/Think/Template/Driver/Angular.class.php
<?phpnamespace Think\Template\Driver;use Think\Storage;/** * Angular模板引擎驱动 */class Angular { private $config = array(); private $tpl_var = array(); /** * 架构函数 */ public function __construct() { $this->config['cache_path'] = C('CACHE_PATH'); $this->config['tpl_dir'] = THEME_PATH; $this->config['cache_path'] = C('CACHE_PATH'); $this->config['template_suffix'] = C('TMPL_TEMPLATE_SUFFIX'); $this->config['cache_suffix'] = C('TMPL_CACHFILE_SUFFIX'); $this->config['tmpl_cache'] = C('TMPL_CACHE_ON'); $this->config['cache_time'] = C('TMPL_CACHE_TIME'); $this->config['attr'] = 'tp-'; } /** * 编译模板 * @param type $tpl_file 模板文件 * @param type $tpl_var 模板变量 */ public function fetch($tpl_file, $tpl_var) { $this->tpl_var = $tpl_var; $tpl_file = $this->load_template($tpl_file); Storage::load($tpl_file, $tpl_var, null, 'tpl'); } /** * 加载主模板并缓存 * @param string $tpl_file 模板文件名 * @return string 缓存的模板文件名 */ public function load_template($tpl_file) { if (is_file($tpl_file)) { // 读取模板文件内容 $tpl_content = file_get_contents($tpl_file); } else { $tpl_content = $tpl_file; } // 根据模版文件名定位缓存文件 $tpl_cache_file = $this->config['cache_path'] . md5($tpl_file) . $this->config['cache_suffix']; if (Storage::has($tpl_cache_file) && !APP_DEBUG && $this->config['tmpl_cache']) { return $tpl_cache_file; } // 编译模板内容 $tpl_content = $this->compiler($tpl_content); Storage::put($tpl_cache_file, trim($tpl_content), 'tpl'); return $tpl_cache_file; } /** * 编译模板内容 * @param string $tpl_content 模板内容 * @return string 编译后端php混编代码 */ protected function compiler($tpl_content) { //模板解析 $tpl_content = $this->parse($tpl_content); // 添加安全代码 $tpl_content = '<?php if (!defined(\'THINK_PATH\')) exit();?>' . $tpl_content; // 优化生成的php代码 $tpl_content = str_replace('?><?php', '', $tpl_content); return strip_whitespace($tpl_content); } /** * 解析模板标签属性 * @param string $content 要模板代码 * @return string 解析后的模板代码 */ public function parse($content) { while (true) { $sub = $this->match($content); if ($sub) { $method = 'parse_' . $sub['attr']; if (method_exists($this, $method)) { $content = $this->$method($content, $sub); } else { E("模板属性" . $this->config['attr'] . $sub['attr'] . '没有对应的解析规则'); break; } } else { break; } } $content = $this->parse_value($content); return $content; } /** * 解析include属性 * @param string $content 源模板内容 * @param array $match 一个正则匹配结果集, 包含 html, value, attr * @return string 解析后的模板内容 */ private function parse_include($content, $match) { $tpl_name = $match['value']; if (substr($tpl_name, 0, 1) == '$') { //支持加载变量文件名 $tpl_name = $this->get(substr($tpl_name, 1)); } $array = explode(',', $tpl_name); $parse_str = ''; foreach ($array as $tpl) { if (empty($tpl)) continue; if (false === strpos($tpl, $this->config['template_suffix'])) { // 解析规则为 模块@主题/控制器/操作 $tpl = T($tpl); } // 获取模板文件内容 $parse_str .= file_get_contents($tpl); } return str_replace($match['html'], $parse_str, $content); } /** * 解析if属性 * @param string $content 源模板内容 * @param array $match 一个正则匹配结果集, 包含 html, value, attr * @return string 解析后的模板内容 */ private function parse_if($content, $match) { $new = "<?php if ({$match['value']}) { ?>"; $new .= str_replace($match['exp'], '', $match['html']); $new .= '<?php } ?>'; return str_replace($match['html'], $new, $content); } /** * 解析repeat属性 * @param string $content 源模板内容 * @param array $match 一个正则匹配结果集, 包含 html, value, attr * @return string 解析后的模板内容 */ private function parse_repeat($content, $match) { $new = "<?php foreach ({$match['value']}) { ?>"; $new .= str_replace($match['exp'], '', $match['html']); $new .= '<?php } ?>'; return str_replace($match['html'], $new, $content); } /** * 解析show属性 * @param string $content 源模板内容 * @param array $match 一个正则匹配结果集, 包含 html, value, attr * @return string 解析后的模板内容 */ private function parse_show($content, $match) { $new = "<?php if ({$match['value']}) { ?>"; $new .= str_replace($match['exp'], '', $match['html']); $new .= '<?php } ?>'; return str_replace($match['html'], $new, $content); } /** * 解析hide属性 * @param string $content 源模板内容 * @param array $match 一个正则匹配结果集, 包含 html, value, attr * @return string 解析后的模板内容 */ private function parse_hide($content, $match) { $new = "<?php if (!({$match['value']})) { ?>"; $new .= str_replace($match['exp'], '', $match['html']); $new .= '<?php } ?>'; return str_replace($match['html'], $new, $content); } /** * 解析普通变量和函数{$title}{:function_name} * @param string $content 源模板内容 * @return string 解析后的模板内容 */ private function parse_value($content) { $content = preg_replace('/\{(\$.*?)\}/', '<?php echo \1 ?>', $content); $content = preg_replace('/\{\:(.*?)\}/', '<?php echo \1 ?>', $content); return $content; } /** * 获取第一个表达式 * @param string $content 要解析的模板内容 * @return array 一个匹配的标签数组 */ private function match($content) { $reg = '#<(?<tag>[\w]+)[^>]*?\s(?<exp>' . preg_quote($this->config['attr']) . '(?<attr>[\w]+)=([\'"])(?<value>[^\4]*?)\4)[^>]*>#s'; $match = null; if (!preg_match($reg, $content, $match)) { return null; } $sub = $match[0]; $tag = $match['tag']; /* 如果是但标签, 就直接返回 */ if (substr($sub, -2) == '/>') { $match['html'] = $match[0]; return $match; } /* 查找完整标签 */ $start_tag_len = strlen($tag) + 1; // <div $end_tag_len = strlen($tag) + 3; // </div> $start_tag_count = 0; $content_len = strlen($content); $pos = strpos($content, $sub); $start_pos = $pos + strlen($sub); while ($start_pos < $content_len) { $is_start_tag = substr($content, $start_pos, $start_tag_len) == '<' . $tag; $is_end_tag = substr($content, $start_pos, $end_tag_len) == "</$tag>"; if ($is_start_tag) { $start_tag_count++; } if ($is_end_tag) { $start_tag_count--; } if ($start_tag_count < 0) { $match['html'] = substr($content, $pos, $start_pos - $pos + $end_tag_len); return $match; } $start_pos++; } return null; }}
./Application/Home/Controller/TestController.class.php
<?phpnamespace Home\Controller;use Think\Controller;class TestController extends Controller { public function index() { C('SHOW_PAGE_TRACE', true); C('TMPL_ENGINE_TYPE', 'Angular'); $data = array(); $data['title'] = '标题'; $data['nav'] = array( array('title' => '首页', 'url' => '/'), array('title' => '文章', 'url' => '/article'), array('title' => '图片', 'url' => '/pic'), array('title' => '新闻', 'url' => '/news'), ); $data['count'] = 6; $data['list'] = array( array('id' => 1, 'title' => '这是标题1', 'create_time' => strtotime('-5 seconds')), array('id' => 2, 'title' => '这是标题2', 'create_time' => strtotime('-4 seconds')), array('id' => 3, 'title' => '这是标题3', 'create_time' => strtotime('-3 seconds')), array('id' => 4, 'title' => '这是标题4', 'create_time' => strtotime('-2 seconds')), array('id' => 5, 'title' => '这是标题5', 'create_time' => strtotime('-1 seconds')), array('id' => 6, 'title' => '这是标题6', 'create_time' => NOW_TIME), ); $this->assign($data); $this->display('index'); }}
./Application/Home/View/Test/index.html
<!DOCTYPE html><html> <head> <title>Angular 模板测试 - {$title}</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> * { margin: 0px; padding: 0px; font-size: 12px; color: #333; line-height: 20px; } a { color: #33F; text-decoration: none; } a:hover { color: #f00; text-decoration: underline; } .center { text-align: center; } h1{ font-size: 30px; line-height: 50px; } .nav { line-height: 30px; } .nav a{ padding: 0px; margin: 0px 20px; } .main table{ width: 500px; margin: 0px auto; } table { border: 1px solid #666; } table td, table th{ border: 1px solid #666; line-height: 20px; padding: 0px 5px; } table th{ background: #CCC; } #footer p{ text-align: center; line-height: 30px; } </style> </head> <body> <div class="header"> <h1 class="center">Angular 模板测试 - {$title}</h1> <div class="nav center" tp-if="$nav"> <a tp-repeat="$nav as $vo" href="{$vo['url']}">{$vo['title']}</a> </div> </div> <div class="main"> <table> <tr> <th>编号</th> <th>标题</th> <th>创建时间</th> <th>操作</th> </tr> <tr tp-if="$list" tp-repeat="$list as $vo"> <td>{$vo['id']}</td> <td>{$vo['title']}</td> <td>{:date('Y-m-d H:i:s', $vo['create_time'])}</td> <td><a href="#del={$vo['id']}">删除</a></td> </tr> <tr tp-if="$count"> <td colspan="4" class="center">共 {$count} 条数据</td> </tr> <tr tp-hide="$list"> <td colspan="4" class="center">没有数据</td> </tr> </table> </div> <div tp-include="footer"></div> </body></html>
<footer id="footer"> <div class="foot-warp"> <p> © 2015 {:C('SITE_TITLE')} zhaishuaigan@qq.com 豫ICP备13012601号 </p> </div></footer>
运行/Test/index, 显示结果
目前只是实现了简单的解析, 还需要进一步完善, 比如配置啊, 扩展更多的标签啊什么的.