在php中,我以sso.php为基础新建的erp_sso.php中有$erpvalidate = $_GET['erpvalidate'];
这个erpvalidate 是特殊情况下我才会把它挂在url后面的一个参数,也就是说某些情况下erpvalidate 种是不带有任何值的,那么我在erp_sso.php中已经有一个js判断了
<script language="javascript" type="text/javascript">
window.onload = function(){
var forumdisplayhtm_hide = document.getElementById('forumdisplayhtm_hide');
var headerhtm_hide = document.getElementById('headerhtm_hide');
var footer_hide = document.getElementById('footer_hide');
if("$erpvalidate" != null && "$erpvalidate" != ""){
alert(123);
forumdisplayhtm_hide.style.display = "none";
headerhtm_hide.style.display = "none";
footer_hide.style.display = "none";
}
}
</script>
但是在我的url后面不带有erpvalidate参数的情况下,这里的js判断每次都能会弹出alert, 请问php中,在erpvalidate参数不存在的情况下,怎么判断这个$erpvalidate 呢?
这个erpvalidate 是特殊情况下我才会把它挂在url后面的一个参数,也就是说某些情况下erpvalidate 种是不带有任何值的,那么我在erp_sso.php中已经有一个js判断了
<script language="javascript" type="text/javascript">
window.onload = function(){
var forumdisplayhtm_hide = document.getElementById('forumdisplayhtm_hide');
var headerhtm_hide = document.getElementById('headerhtm_hide');
var footer_hide = document.getElementById('footer_hide');
if("$erpvalidate" != null && "$erpvalidate" != ""){
alert(123);
forumdisplayhtm_hide.style.display = "none";
headerhtm_hide.style.display = "none";
footer_hide.style.display = "none";
}
}
</script>
但是在我的url后面不带有erpvalidate参数的情况下,这里的js判断每次都能会弹出alert, 请问php中,在erpvalidate参数不存在的情况下,怎么判断这个$erpvalidate 呢?
$erpvalidate = $_GET['erpvalidate'];
echo "kong";
}
window.onload = function(){
var forumdisplayhtm_hide = document.getElementById('forumdisplayhtm_hide');
var headerhtm_hide = document.getElementById('headerhtm_hide');
var footer_hide = document.getElementById('footer_hide');
if(strlen($erpvalidate)==0){
alert(123);
forumdisplayhtm_hide.style.display = "none";
headerhtm_hide.style.display = "none";
footer_hide.style.display = "none";
}else{
alert(321);
}
}
</script>
不行,他说我这个 $erpvalidate is undefined
没有看到有读取url参数的代码
window.onload = function(){
var forumdisplayhtm_hide = document.getElementById('forumdisplayhtm_hide');
var headerhtm_hide = document.getElementById('headerhtm_hide');
var footer_hide = document.getElementById('footer_hide');
var ed = '<?php echo $erpvalidate;?>';
if(ed != 'null' && ed != ""){
alert(123);
forumdisplayhtm_hide.style.display = "none";
headerhtm_hide.style.display = "none";
footer_hide.style.display = "none";
}
}
</script>
alert(123);
forumdisplayhtm_hide.style.display = "none";
headerhtm_hide.style.display = "none";
footer_hide.style.display = "none";
}
也是可以的