PHP动态网站开发的技巧分享_PHP教程
- WBOY原創
- 2016-07-15 13:30:231795瀏覽
许多程序员都在使用1、命名
- input
- type='checkbox'
- name='checkbox[]'
- value=$dwmyrow[banzhu]
- />
2、使用
当计划当作sql指令的一部分时：如果参与控制的字段是数值型的，则
<ol class="dp-xml">
<li class="alt"><span><span>if(! empty($_POST['checkbox'])) </span></span></li>
<li class="alt"><span><span>{ </span></span></li>
<li>
<span>$</span><span class="attribute">expr</span><span> = </span><span class="attribute-value">join</span><span>(",", $_POST['checkbox']); </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">sql</span><span> = </span><span class="attribute-value">"select * from tbl_name where <br>field in ($expr)"</span><span>; </span>
</li>
<li><span>} </span></li>
</ol>
如果PHP动态网站开发说参与控制的字段是数值型的，则
<ol class="dp-xml">
<li class="alt"><span><span>if(! empty($_POST['checkbox'])) </span></span></li>
<li class="alt"><span><span>{ </span></span></li>
<li>
<span>$</span><span class="attribute">expr</span><span> = </span><span class="attribute-value">"'"</span><span>.join("','", $_POST<br>['checkbox'])."."; </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">sql</span><span> = </span><span class="attribute-value">"select * from tbl_name <br>where field in ($expr)"</span><span>; </span>
</li>
<li><span>} </span></li>
</ol>
PHP判断Form表单是否提交
<ol class="dp-xml">
<li class="alt"><span><span>$</span><span class="attribute">action</span><span>=$HTTP_POST_VARS["Button1"]; </span></span></li>
<li>
<span>if($</span><span class="attribute">action</span><span>=="提交") </span>
</li>
<li class="alt"><span>{ </span></li>
<li><span>//执行表单操作 </span></li>
<li class="alt"><span>} </span></li>
<li><span>else </span></li>
<li class="alt"><span> { </span></li>
<li><span>//读取默认值 </span></li>
<li class="alt"><span>} </span></li>
</ol>
PHP动态网站开发中PHP 获取字符串长度
<ol class="dp-xml"><li class="alt"><span><span>strlen($myrow[1]) </span></span></li></ol>
PHP Url转向
<ol class="dp-xml"><li class="alt"><span><span>Header("Location: ".<br>$_SERVER["HTTP_REFERER"]); </span></span></li></ol>
PHP动态网站开发中的超全局对象
<ol class="dp-xml">
<li class="alt"><span><span class="tag"><span class="tag-name">php</span><span> </span></span></span></li>
<li>
<span>$</span><span class="attribute">a</span><span> = </span><span class="attribute-value">1</span><span>; </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">b</span><span> = </span><span class="attribute-value">2</span><span>; </span>
</li>
<li><span>function Sum() </span></li>
<li class="alt"><span>{ </span></li>
<li><span> $GLOBALS["b"] = <br>$GLOBALS["a"] + $GLOBALS["b"]; </span></li>
<li class="alt"><span>} </span></li>
<li><span>Sum(); </span></li>
<li class="alt"><span>echo $b; </span></li>
<li>
<span></span><span class="tag">?></span><span> </span>
</li>
</ol>
PHP 表单取值
如果 method="get" 就用 $_GET["test"] 代替$test
如果 method="post" 就用 $_POST["test"] 代替$test
PHP动态网站开发时取得当前IP
<ol class="dp-xml"> <li class="alt"><span><span class="tag"></span></span></li> <li class="alt"><span><span>=$HTTP_SERVER_VARS["REMOTE_ADDR"]</span></span></li> <li class="alt"><span><span class="tag">?></span><span> </span></span></li> </ol>
PHP 取得当前时间
<ol class="dp-xml">
<li class="alt"><span><span class="tag"></span><span class="tag-name">php</span><span> </span></span></li>
<li><span> echo date("Y-m-d G:i:s"); </span></li>
<li class="alt">
<span></span><span class="tag">?></span><span> </span>
</li>
<li><span> date("Y年m月d日") </span></li>
<li class="alt"><span> Date ("Y-n-j") </span></li>
</ol>
以上就是PHP动态网站开发的具体技巧讲解。
陳述：
本文內容由網友自願投稿，版權歸原作者所有。本站不承擔相應的法律責任。如發現涉嫌抄襲或侵權的內容，請聯絡admin@php.cn