php 如何获取js的prompt里面的值

WBOY
Release: 2016-06-23 13:53:34
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想用php 如何获取js的prompt里面的值,想着用隐藏表单来获取,可是不想设置提交按钮,要怎么提交数据,怎样改下面的代码,才能获取php 如何获取js的prompt里面的值,求解?
<script> <br /> var str=window.prompt('请输入修改主题', ''); <br /> document.getElemengById("content").value =str; <br /> </script>




$content=$_POST["content"];
echo $content;
?>


回复讨论(解决方案)

次序错了!
虽然可以这么写,但并无使用价值。因为提交将产生新的 document

<?phpif($_POST) {  $content=$_POST["content"];  echo $content;  exit;}?><form id="form" action="" method="post"><input type="hidden" name="content" id="content" value=""></form><script>var str=window.prompt('请输入修改主题', '');document.getElementById("content").value =str;document.getElementById("form").submit();</script
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衷心地谢谢大神,问题解决了。

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