分享一个代码编辑器线上html

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发布于 2024-10-24

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![](//storage-x1.90ckm.com/uploads/beb8b8cc89e739e44c1421a8a6c6b064/20241024_57968iShot_2024-10-24_10.20.01.png)

详细代码
```
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>代码编辑器演示</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/codemirror.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/theme/dracula.min.css">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/codemirror.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/htmlmixed/htmlmixed.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/xml/xml.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/javascript/javascript.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/css/css.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/clike/clike.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/php/php.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/edit/closetag.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/edit/closebrackets.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/hint/show-hint.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/hint/html-hint.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/lint/lint.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/lint/javascript-lint.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/lint/css-lint.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/fold/foldcode.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/fold/foldgutter.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/fold/brace-fold.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/fold/xml-fold.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/fold/comment-fold.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jshint/2.13.5/jshint.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/csslint/1.0.5/csslint.min.js"></script>
    <script src="https://unpkg.com/htmlhint@latest/dist/htmlhint.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/hint/show-hint.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/lint/lint.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/fold/foldgutter.min.css">
    <style>
        .CodeMirror {
            height: 100%;
            font-size: 14px;
            border: 1px solid #6272a4;
            border-radius: 0 0 4px 4px;
        }
        .CodeMirror-gutters {
            background-color: #282a36;
            border-right: 1px solid #6272a4;
        }
        .CodeMirror-linenumber {
            color: #6272a4;
        }
        .CodeMirror-selected {
            background-color: #44475a !important;
        }
        .CodeMirror-cursor {
            border-left: 2px solid #f8f8f2;
        }
        .cm-s-dracula .CodeMirror-activeline-background {
            background-color: #44475a;
        }
        #errorIndicator {
            display: none;
            background-color: #ff5555;
            color: #f8f8f2;
            padding: 5px 10px;
            border-radius: 4px;
            cursor: pointer;
        }
        #errorTooltip {
            display: none;
            position: absolute;
            background-color: #282a36;
            color: #f8f8f2;
            border: 1px solid #6272a4;
            padding: 10px;
            border-radius: 4px;
            z-index: 1000;
        }
        .CodeMirror-foldmarker {
            color: #fff;
            text-shadow: #b9f 1px 1px 2px, #b9f -1px -1px 2px, #b9f 1px -1px 2px, #b9f -1px 1px 2px;
            font-family: arial;
            line-height: .3;
            cursor: pointer;
        }
        .CodeMirror-foldgutter {
            width: .7em;
        }
        .CodeMirror-foldgutter-open,
        .CodeMirror-foldgutter-folded {
            cursor: pointer;
        }
        .CodeMirror-foldgutter-open:after {
            content: "\25BE";
        }
        .CodeMirror-foldgutter-folded:after {
            content: "\25B8";
        }
        .editor-container, .preview-container {
            height: 600px; /* 或者您想要的固定高度 */
            overflow: auto;
        }
        
        #preview {
            height: 100%;
            overflow: auto;
        }
    </style>
</head>
<body class="bg-gray-900 text-white">
    <div class="container mx-auto p-4">
        <div class="flex">
            <div class="w-1/2 pr-2">
                <div class="bg-gray-800 p-2 rounded-t">
                    <div class="flex justify-between items-center">
                        <span class="text-sm">index.html</span>
                        <div class="flex items-center">
                            <span id="errorIndicator" class="mr-2">X</span>
                            <button id="saveBtn" class="bg-blue-500 hover:bg-blue-600 text-white text-xs py-1 px-2 rounded">保存</button>
                            <button id="runBtn" class="bg-green-500 hover:bg-green-600 text-white text-xs py-1 px-2 rounded ml-2">运行</button>
                        </div>
                    </div>
                </div>
                <div class="editor-container">
                    <textarea id="editor" class="w-full"></textarea>
                </div>
            </div>
            <div class="w-1/2 pl-2">
                <div class="bg-gray-800 p-2 rounded-t">
                    <span class="text-sm">预览</span>
                </div>
                <div class="preview-container">
                    <div id="preview" class="bg-white text-black p-4 border border-gray-700 rounded-b"></div>
                </div>
            </div>
        </div>
    </div>
    <div id="errorTooltip"></div>
    <script>
        $(document).ready(function() {
            var editor = CodeMirror.fromTextArea(document.getElementById("editor"), {
                mode: "application/x-httpd-php",
                lineNumbers: true,
                autoCloseTags: true,
                autoCloseBrackets: true,
                extraKeys: {"Ctrl-Space": "autocomplete"},
                gutters: ["CodeMirror-lint-markers", "CodeMirror-linenumbers", "CodeMirror-foldgutter"],
                lint: {
                    getAnnotations: function(text, updateLinting, options, cm) {
                        var found = [];
                        
                        // HTML lint
                        if (typeof HTMLHint !== "undefined" && typeof HTMLHint.verify === "function") {
                            var htmlResult = HTMLHint.verify(text, {
                                "tagname-lowercase": true,
                                "attr-lowercase": true,
                                "attr-value-double-quotes": true,
                                "doctype-first": true,
                                "tag-pair": true,
                                "spec-char-escape": true,
                                "id-unique": true,
                                "src-not-empty": true,
                                "attr-no-duplication": true
                            });
                            htmlResult.forEach(function(msg) {
                                found.push({
                                    from: CodeMirror.Pos(msg.line - 1, msg.col - 1),
                                    to: CodeMirror.Pos(msg.line - 1, msg.col),
                                    message: msg.message,
                                    severity: msg.type
                                });
                            });
                        }
                        
                        // PHP lint (自定义)
                        var lines = text.split('\n');
                        lines.forEach(function(line, index) {
                            if (line.match(/<\?[^p]/)) {
                                found.push({
                                    from: CodeMirror.Pos(index, 0),
                                    to: CodeMirror.Pos(index, line.length),
                                    message: "PHP开始标记应为 <?php",
                                    severity: "error"
                                });
                            }
                            
                            if (line.match(/<?php.*[^;]\s*$/)) {
                                found.push({
                                    from: CodeMirror.Pos(index, line.length - 1),
                                    to: CodeMirror.Pos(index, line.length),
                                    message: "PHP语句应以分号结束",
                                    severity: "error"
                                });
                            }
                        });

var errorIndicator = $("#errorIndicator");
            var errorTooltip = $("#errorTooltip");
            var errors = [];

errorIndicator.on("mouseenter", function() {
                var pos = errorIndicator.offset();
                errorTooltip.css({
                    top: pos.top + errorIndicator.outerHeight(),
                    left: pos.left
                }).show();
            }).on("mouseleave", function() {
                errorTooltip.hide();
            });

editor.on("change", function() {
                localStorage.setItem("editorContent", editor.getValue());
                editor.performLint();
            });

editor.on("lint", function(_, lintResults) {
                errors = lintResults;
                updateErrorDisplay();
            });

$("#saveBtn").click(function() {
                localStorage.setItem("editorContent", editor.getValue());
                alert("代码已保存");
            });

$("#runBtn").click(function() {
                var code = editor.getValue();
                $("#preview").html(code);
            });

editor.performLint();
        });
    </script>
</body>
</html>

```

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