一、編寫頁面
主要是引入相關的css文件和js文件，這里采用簡單插入link和script標簽的形式。
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <link rel="stylesheet" href="codemirror/lib/codemirror.css" rel="external nofollow" > <link rel="stylesheet" href="codemirror/addon/fold/foldgutter.css" rel="external nofollow" > <link rel="stylesheet" href="codemirror/addon/hint/show-hint.css" rel="external nofollow" > <link rel="stylesheet" href="codemirror/addon/lint/lint.css" rel="external nofollow" > <link rel="stylesheet" href="leetcode.css" rel="external nofollow" > </head><body> <form action=""> <textarea id="editor" class="editor"></textarea> </form> <button id="test">click</button></body></html><script src="codemirror/lib/codemirror.js"></script><script src="codemirror/addon/comment/comment.js"></script><script src="codemirror/addon/selection/active-line.js"></script><script src="codemirror/keymap/sublime.js"></script><script src="codemirror/addon/hint/show-hint.js"></script><script src="codemirror/mode/python/python.js"></script> <script src="codemirror/addon/fold/foldcode.js"></script><script src="codemirror/addon/fold/foldgutter.js"></script><script src="codemirror/addon/fold/brace-fold.js"></script><script src="codemirror/addon/fold/indent-fold.js"></script><script src="codemirror/addon/fold/comment-fold.js"></script><script src="codemirror/addon/edit/closebrackets.js"></script><script src="codemirror/addon/edit/matchbrackets.js"></script><script src="axios.js"></script><script src="index.js"></script>
二、配置CodeMirror
在index.js中配置CodeMirror
window.onload = function () { var el = document.getElementById("editor"); var version = "# version: Python3/n/n"; var codeAreaTip = "# please edit your code here:/n"; var codeStart = "# code start/n/n"; var codeEnd = "# code end/n/n"; var codeTip = "'''/nThis function is the entry of this program and/nit must be return your answer of current question./n'''/n"; var code = "def solution():/n/tpass"; var initValue = version + codeAreaTip + codeStart + codeEnd + codeTip + code; var myCodeMirror = CodeMirror.fromTextArea(el, { mode: "python", // 語言模式 theme: "leetcode", // 主題 keyMap: "sublime", // 快鍵鍵風格 lineNumbers: true, // 顯示行號 smartIndent: true, // 智能縮進 indentUnit: 4, // 智能縮進單位為4個空格長度 indentWithTabs: true, // 使用制表符進行智能縮進 lineWrapping: true, // // 在行槽中添加行號顯示器、折疊器、語法檢測器 gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter", "CodeMirror-lint-markers"], foldGutter: true, // 啟用行槽中的代碼折疊 autofocus: true, // 自動聚焦 matchBrackets: true, // 匹配結束符號，比如"]、}" autoCloseBrackets: true, // 自動閉合符號 styleActiveLine: true, // 顯示選中行的樣式 }); // 設置初始文本，這個選項也可以在fromTextArea中配置 myCodeMirror.setOption("value", initValue); // 編輯器按鍵監聽 myCodeMirror.on("keypress", function() { // 顯示智能提示 myCodeMirror.showHint(); // 注意，注釋了CodeMirror庫中show-hint.js第131行的代碼（阻止了代碼補全，同時提供智能提示） }); var test = document.getElementById("test"); test.onclick = function() { var value = myCodeMirror.getValue(); axios.post("http://localhost/api/runcode", { code: value }).then(function(res) { console.log(res); }); };};
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