Question

点击按钮弹出prompt对话框，输入确定后直接提交口令给php页面，求修改

<script language='javascript'>
function disp_prompt()
{
var pwd=prompt("请输入口令","");
if (pwd!=null)
{
return pwd;
}
}
</script>
<form action="db_del.php" method="get">
<input type="button" onClick="disp_prompt()" value="删除记录" />
</form>

Answer 1

<script language='javascript'>
function disp_prompt()
{
var pwd=prompt("请输入口令","");
if (pwd!=null)
{
document.form1.pwd.value=pwd;
document.form1.submit();
}
}
</script>
<form name="form1" action="a.php" method="get">
<input type="hidden" name="pwd" >
<input type="button" onClick="disp_prompt()" value="删除记录" />
</form>

Answer 2

<script language='javascript'>
function disp_prompt()
{
var pwd=prompt("请输入口令","");
if (pwd!=null)
{
window.open("db_del.php?pwd="+pwd);
return pwd;
}
}
</script>

Answer 3

复制隐藏域提交表单

<input type='hidden' name='pwd' id='pwd' value='' />

document.getElementById('pwd').value=pwd;