<div class="codetitle"> <span><a style="CURSOR: pointer" data="24941" class="copybut" id="copybut24941" onclick="doCopy('code24941')"><u>复制代码</u></a></span> 代码如下:</div> <div class="codebody" id="code24941"> <br><?php <BR>if(isset($_COOKIE["username"])) <br>{ <br>header("location:main.php"); <br>} <br>else <br>{ <br>echo "cookie没有找到"; <br>} <br>?><br> </div> <br><div class="codetitle"> <span><a style="CURSOR: pointer" data="16655" class="copybut" id="copybut16655" onclick="doCopy('code16655')"><u>复制代码</u></a></span> 代码如下:</div> <div class="codebody" id="code16655"> <br><?php <BR>setcookie("username"); //删除cookie <br>?> <br> </div>