php内调用js弹窗alert和返回上一页面的语法

php内alert弹窗

<?php
 echo "<script>alert('暂无数据');window.history.back(-1);</script>";die;
?>

js返回上一页

链接式:

<a href="javascript:history.go(-1)">返回上一步</a>

<a href="<%=Request.ServerVariables("HTTP_REFERER")%>">返回上一步</a>

按钮式:

<INPUT name="pclog" type="button" value="GO" onClick="location.href=’http://www.ekesn.com/‘">

直接跳转式:

<script>window.location.href=’http://www.ekesn.com‘;</script>

JS跳转页面参考代码

//第一种: 
<script language="javascript" type="text/javascript"> 
window.location.href="login.jsp?backurl="+window.location.href; 
</script> 
//第二种: 
<script language="javascript"> 
alert("返回"); 
window.history.back(-1); 
</script> 
//第三种: 
<script language="javascript"> 
window.navigate("top.jsp"); 
</script> 
//第四种: 
<script language="JavaScript"> 
self.location=’top.htm’; 
</script> 
//第五种: 
<script language="javascript"> 
alert("非法访问!"); 
top.location=’xx.jsp’; 
</script>

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转载自blog.csdn.net/guo_qiangqiang/article/details/85784611