如何在第 2 页输入中显示第 1 页的输入值?爪哇语
<script language="JavaScript">
function showInput() {
var value = document.getElementById("user_input").value;
document.getElementById('display').value = value;
}
</script>
第 1 页 html
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
</head>
<body>
<form>
<label><b>Enter a Message</b></label>
<input type="text" name="message" id="user_input">
</form>
<input type="submit" onclick="showInput();"><br />
</body>
</html>
第 2 页 html
<html>
<head></head>
<body>
<label>Your input: </label>
<p><input id='display'> </p>
</body>
</html>
我需要使用本地存储吗?如何使用它?把它放在第1页
localStorage.setItem(id, value);
这在第 2 页?
localStorage.getItem(id);
如何在输入中显示值?有人可以给我看一些例子吗?谢谢。
试试这个:
页1.html
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<script language="JavaScript">
function showInput() {
var value = document.getElementById("user_input").value; // get value of message
localStorage.setItem('val',value); // set value of message in local storage
}
</script>
</head>
<body>
<form action="page2.html" method="post"> // add action and method attributes in form tag
<label><b>Enter a Message</b></label>
<input type="text" name="message" id="user_input">
<input type="submit" onclick="showInput();"><br />
</form>
</body>
</html>
页2.html
<html>
<head>
<script language="JavaScript">
function showInput() {
var value = localStorage.getItem('val'); // get value of message from localstorage
document.getElementById('display').value = value; // set it value to display input
}
</script>
</head>
<body onload="showInput();">
<label>Your input: </label>
<p><input id='display'> </p>
</body>
</html>
试试这个
页1
<script>
var value = document.getElementById("user_input").value;
localStorage.setItem("id",value);
</script>
页2
<script>
var value =localStorage.getItem("id");
document.getElementById('display').value = value;
</script>