---------------------------------------------------------------------------------------------- /* |------------------ | 方案1:如果静态文件存在,且生成时间30秒内,直接返回静态页面(有时间延迟) www.farwish.com |------------------ */ header
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<span>/*<br>|------------------<br>| <span>方案1:如果静态文件存在,且生成时间30秒内,直接返回静态页面(有时间延迟)</span> <www.farwish.com><br>|------------------<br>*/<br></www.farwish.com></span><span>header</span>('content-type:text/html;charset=utf-8'<span>);</span> <span>$id</span> = <span>$_GET</span>['id'] ? <span>intval</span>(<span>$_GET</span>['id']) : ''<span>; </span><span>if</span>(<span>$id</span> === '') <span>die</span>('请输入要查询的新闻id!'<span>); </span><span>$html_file</span> = "news-id-".<span>$id</span>.".html"<span>; </span><span>//1.</span><span>主要代码</span> <span>if</span>(<span>file_exists</span>(<span>$html_file</span>) && <span>filemtime</span>(<span>$html_file</span>) + 30 >= <span>time</span><span>()) { </span><span>echo</span> '静态页面:'<span>; </span><span>echo</span> <span>file_get_contents</span>(<span>$html_file</span>);<span>exit</span><span>; } </span><span>//</span><span>这里也可以使用DB工具类</span> <span>$con</span> = <span>mysql_connect</span>('localhost', 'root', '123456'<span>); </span><span>if</span>(!<span>$con</span><span>) { </span><span>die</span>('连接失败!'<span>); } </span><span>mysql_select_db</span>('testdb', <span>$con</span><span>); </span><span>$sql</span> = "select * from bo_question where question_id = <span>$id</span>"<span>; </span><span>$res</span> = <span>mysql_query</span>(<span>$sql</span>, <span>$con</span><span>); </span><span>if</span>(<span>$row</span> = <span>mysql_fetch_assoc</span>(<span>$res</span><span>)) { </span><span>ob_start</span>();<span>//2.</span><span>启动ob缓存</span> <span>header</span>('content-type:text/html;charset=utf-8'<span>); </span><span>echo</span> '<meta http-equiv="content-type" content="text/html;charset=utf-8">'<span>; </span><span>echo</span> '
问题详细内容 |
标题:{$row['question_title']} |
详细:{$row['question_detail']} |
/*<br>|----------------------------------------------------<br>| 方案2:使用模板替换技术(没有时间延迟) <www.farwish.com><br>|----------------------------------------------------<br>*/</www.farwish.com>
<span>$oper</span> = <span>$_POST</span>['oper'<span>];//添加操作 </span><span>if</span>(<span>$oper</span> === 'add'<span>) { </span><span>$title</span> = <span>$_POST</span>['title'<span>]; </span><span>$content</span> = <span>$_POST</span>['content'<span>]; </span><span>//</span><span>如果严格按MVC,这里应该调用model了</span> <span>$con</span> = <span>mysql_connect</span>('localhost', 'root', '123456'<span>); </span><span>if</span>(!<span>$con</span><span>) { </span><span>die</span>('连接失败!'<span>); } </span><span>mysql_select_db</span>('news', <span>$con</span><span>); </span><span>$sql</span> = "insert into question(null, '<span>$title</span>', '<span>$content</span>', '')"<span>; </span><span>if</span>(<span>mysql_query</span>(<span>$sql</span>, <span>$con</span><span>)) { </span><span>//1.</span><span>生成静态文件 </span> <span>$id</span> = <span>mysql_insert_id</span><span>(); </span><span>$html_filename</span> = 'news-id'.<span>$id</span>.'.html'<span>; </span><span>$html_fp</span> = <span>fopen</span>(<span>$html_filename</span>, 'w'<span>); </span><span>//2.</span><span>把模板文件读取(news.html)</span> <span>$fp</span> = <span>fopen</span>('news.tpl', 'r'<span>); </span><span>//</span><span>r 只读方式打开; r+ 读写方式打开; w 写入方式打开:文件内容将被清空!如果文件不存在将创建; a 以追加的方式打开 //3.循环读取 //如果没有读到文件的最后,就一直读取</span> <span>while</span>(!<span>feof</span>(<span>$fp</span><span>)) { </span><span>//</span><span>一行行读</span> <span>$row</span> = <span>fgets</span>(<span>$fp</span><span>); </span><span>//</span><span>把占位符替换掉 => 可以自定义完整的替换规则函数</span> <span>$row</span> = <span>str_replace</span>('%title%', <span>$title</span>, <span>$row</span>);<span>//</span><span>如果不重新赋值$row, $row值不会改变</span> <span>$row</span> = <span>str_replace</span>('%content%', <span>$content</span>, <span>$row</span><span>); </span><span>fwrite</span>(<span>$html_fp</span>, <span>$row</span><span>);//4.将内容写入静态文件 }<br> </span><span>//5.</span><span>文件必须关闭</span> <span>fclose</span>(<span>$html_fp</span><span>); </span><span>fclose</span>(<span>$fp</span><span>); </span><span>echo</span> "添加成功。<a href="newslist.php">点击查看新闻!</a>"<span>; } </span><span>else</span><span> { </span><span>die</span>('添加失败!'<span>); } } </span><span>//</span><span>此时在新闻列表内,点击查看详情的链接,可以改成生成的静态页面地址,直接进入静态文件。 //news.tpl模板文件</span><span> /*</span><span> <meta charset="utf-8"> <title>%title%</title> <h1>%title%</h1> <pre class="brush:php;toolbar:false">%content%*/
Link: http://www.cnblogs.com/farwish/p/3874264.html
@黑眼诗人