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立即学习“PHP免费学习笔记(深入)”;
一、用HTTP头信息
也就是用PHP的HEADER函数。PHP里的HEADER函数的作用就是向浏览器发出由HTTP协议规定的本来应该通过WEB服务器的控制指令,例如声明返回信息的类型("Context-type: xxx/xxx"),页面的属性("No cache", "Expire")等等。
用HTTP头信息进行PHP重定向到另外一个页面的方法如下:
立即学习“PHP免费学习笔记(深入)”;
<ol class="dp-xml"><li class="alt"><span><strong><font color="#006699"><span class="tag"><?</span><span class="tag-name">php</span></font></strong><span> </span></span></li><li class=""><span>$</span><span class="attribute"><font color="#ff0000">url</font></span><span> = </span><span class="attribute-value"><font color="#0000ff">"www.baidu.com"</font></span><span>; </span></li><li class="alt"><span>if (!empty($url)) </span></li><li class=""><span>{ </span></li><li class="alt"><span> Header("HTTP/1.1 303 See Other"); //这条语句可以不写 </span></li><li class=""><span> Header("Location: $url"); </span></li><li class="alt"><span>} </span></li><li class=""><span></span><span class="tag"><strong><font color="#006699">?></font></strong></span><span> </span></li></ol>注意一下,"Localtion:"后面有一个空格。
二、用HTML标记PHP重定向
用HTML标记,就是用META的REFRESH标记,举例如下:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<ol class="dp-xml"><li class="alt"><span><strong><font color="#006699"><span class="tag"><?</span><span class="tag-name">php</span></font></strong><span> </span></span></li><li class=""><span>if (!empty($url)) </span></li><li class="alt"><span>{ </span></li><li class=""><span> echo "</span><strong><font color="#006699"><span class="tag"><</span><span class="tag-name">META</span></font></strong><span> </span><span class="attribute"><font color="#ff0000">HTTP-EQUIV</font></span><span>="Refresh" </span><span class="attribute"><font color="#ff0000">CONTENT</font></span><span>="0;</span><span class="attribute"><font color="#ff0000">URL</font></span><span>=$url"</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>"; </span></li><li class="alt"><span>} </span></li><li class=""><span></span><span class="tag"><strong><font color="#006699">?></font></strong></span><span> </span></li></ol>三、用脚本来实现PHP重定向
举例如下:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<ol class="dp-xml"><li class="alt"><span><span class="tag"><strong><font color="#006699"><?</font></strong></span><span> </span></span></li><li class=""><span></span><span class="tag-name"><strong><font color="#006699">if</font></strong></span><span> (isset($url)) </span></li><li class="alt"><span>{ </span></li><li class=""><span> echo "</span><strong><font color="#006699"><span class="tag"><</span><span class="tag-name">SCRIPT</span></font></strong><span> </span><span class="attribute"><font color="#ff0000">LANGUAGE</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"JavaScript"</font></span><span class="tag"><strong><font color="#006699">></font></strong></span><span>"; </span></li><li class="alt"><span> echo "</span><span class="attribute"><font color="#ff0000">location.href</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">'$url'</font></span><span>"; </span></li><li class=""><span> echo "</span><strong><font color="#006699"><span class="tag"></</span><span class="tag-name">SCRIPT</span><span class="tag">></span></font></strong><span>"; </span></li><li class="alt"><span>} </span></li><li class=""><span></span><span class="tag"><strong><font color="#006699">?></font></strong></span><span> </span></li></ol>或者
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<ol class="dp-xml"><li class="alt"><span><strong><font color="#006699"><span class="tag"><?</span><span class="tag-name">php</span></font></strong><span> echo "</span><strong><font color="#006699"><span class="tag"><</span><span class="tag-name">script</span><span class="tag">></span></font></strong><span class="attribute"><font color="#ff0000">window.location</font></span><span> ="$url";</span><strong><font color="#006699"><span class="tag"></</span><span class="tag-name">script</span><span class="tag">></span></font></strong><span>";</span><span class="tag"><strong><font color="#006699">?></font></strong></span><span> </span></span></li></ol>
立即学习“PHP免费学习笔记(深入)”;










