直接上demo代码。运行一下就ok。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>string to unicode</title>
</head>
<style type="text/css">
*{
padding: 0;
margin: 0;
}
div{
width: 500px;
height: 80px;
border: 1px solid red;
}
.btn {
margin: 20px 0;
}
</style>
<body>
输入中文<input type="text" class="input">
<button class="btn1">转化unicode</button>
<div class="string unicode-box">
</div>
<button class="btn2">unicode转中文</button>
<div class="string string-box">
</div>
</body>
<script type="text/javascript" src='jquery-1.8.3.min.js'></script>
<script type="text/javascript">
$(function() {
$('.btn1').on('click', function() {
var s = $('.input').val();
$('.unicode-box').text(toUnicode(s))
})
$('.btn2').on('click', function() {
var s = $('.unicode-box').text();
$('.string-box').text(toChinese(s))
})
})
function toUnicode(str) {
if (!str) {
return;
}else{
var res = [];
for ( var i=0; i<str.length; i++ ) {
res[i] = ( "00" + str[i].charCodeAt().toString(16) ).slice(-4);
}
return "\\u" + res.join("\\u");
}
}
function toChinese (unicode) {
var unicodeString = unicode.replace(/\\/g, "%");
return unescape(unicodeString);
}
</script>
</html>
