<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
</head>
<body>
<textarea id="code"></textarea>
<div id="result"></div>
<script>
$(function() {
$('#code').on('input',(e) => {
let val = e.currentTarget.value
// for
val = val.replace(/wx:for=["|']s*{{([^}]+)}}s*["|']/g, ($0,$1) => 'v-for="(item, index) in ' + $1 + '"')
val = val.replace(/wx:key=["|']([^"|']+)["|']/g, ($0,$1) => ':key="' + $1 + '"')
// if
val = val.replace(/wx:if=["|']s*{{([^}]+)}}s*["|']/g, ($0, $1) => 'v-if="' + $1 + '"')
// 变量
// val = val.replace(/data-([^=|s]+)=["|']{{([^}]+)}}["|']/g, ($0,$1,$2)=> ':data-'+$1+'="'+$2+'"')
val = val.replace(/([^s|=]+)=["|']{{([^}]+)}}["|']/g, ($0,$1,$2)=> ':'+$1+'="'+$2+'"')
val = val.replace(/<view/g, '<div')
val = val.replace(//view>/g, '/div>')
val = val.replace(/<text/g, '<span')
val = val.replace(//text>/g, '/text>')
val = val.replace(/<image([^>]+)/g, ($0,$1) => '<img '+$1 + '/>')
val = val.replace(/<icon([^>]+)/g, ($0,$1) => '<i style="display:inline-block" '+$1 + '/>')
val = val.replace(/bind([^=|s]+)=["|']([^"|'|s]+)["|']/g, ($0,$1,$2)=>'@'+$1+'="'+$2+'"')
$('#result').text(val)
})
})
</script>
</body>
</html>
转：https://blog.csdn.net/jeason_L/article/details/95051191