背景
純粹為了在自己博客實現一個代碼編輯器，方便在線測試各種代碼。
ace介紹
ACE 是一個開源的、獨立的、基于瀏覽器的代碼編輯器，可以嵌入到任何web頁面或JavaScript應用程序中。ACE支持超過60種語言語法高亮，并能夠處理代碼多達400萬行的大型文檔。ACE開發團隊稱，ACE在性能和功能上可以媲美本地代碼編輯器（如Sublime Text、TextMate和Vim等）。
步驟
1.編寫代碼編輯器樣式
屏幕快照 2018-09-21 下午8.21.06.png
2.引入ace.js
<script type="text/javascript" src="./src-noconflict/ace.js"></script>
<script type="text/javascript" src="./src-noconflict/ext-language_tools.js"></script>
**3.調用ace api實現代碼編輯功能
<script type="text/javascript">
(function() {
var editor1 = ace.edit("editor1", {
theme: "ace/theme/monokai",
mode: "ace/mode/html",
wrap: true,
autoScrollEditorIntoView: true,
enableBasicAutocompletion: true,
enableSnippets: true,
enableLiveAutocompletion: true
});
var editor2 = ace.edit("editor2", {
theme: "ace/theme/monokai",
mode: "ace/mode/css",
autoScrollEditorIntoView: true,
enableBasicAutocompletion: true,
enableSnippets: true,
enableLiveAutocompletion: true
});
var editor3 = ace.edit("editor3", {
theme: "ace/theme/monokai",
mode: "ace/mode/javascript",
autoScrollEditorIntoView: true,
enableBasicAutocompletion: true,
enableSnippets: true,
enableLiveAutocompletion: true
});
var submit = document.querySelector('#submit');
submit.addEventListener('click', function() {
var htmlValue = editor1.getValue();
var cssValue = editor2.getValue();
var jsValue = editor3.getValue();
var htmlStr = '<!DOCTYPE html>' +
'<html>' +
'<head>' +
'<meta charset="utf-8" />' +
'<title>代碼測試</title>' +
'<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>' +
'<meta name="format-detection" content="telephone=no" />' +
'<meta name="apple-mobile-web-app-status-bar-style" content="black" />' +
'<meta name="apple-mobile-web-app-capable" content="yes" />' +
'<meta http-equiv="X-UA-Compatible" content="chrome=1,IE=edge"/>' +
'<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=0"/>' +
'<style type="text/css">' +
cssValue +
'</style>' +
'<script type="text/javascript" src="https://cdn.bootcss.com/vConsole/3.2.0/vconsole.min.js">' +
'</' +
'script>' +
'<script type="text/javascript">' +
'new window.VConsole();' +
'</' +
'script>' +
'</head>' +
'<body>' +
htmlValue +
'<script type="text/javascript">' +
jsValue +
'</' +
'script>' +
'</body>' +
'</html>';
document.getElementById('preview').srcdoc = htmlStr;
})
})()
**4.將寫好的代碼放入iframe中運行
document.getElementById('preview').srcdoc = htmlStr;
