506 lines
18 KiB
Vue
506 lines
18 KiB
Vue
<template>
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<div class="code-preview-wrapper relative w-full h-full min-h-[600px] flex flex-col font-sans text-gray-200">
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<!-- 背景噪点层 -->
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<div class="absolute inset-0 pointer-events-none z-0 opacity-20 mix-blend-overlay bg-noise"></div>
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<!-- 顶部工具栏 -->
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<div class="relative z-10 flex items-center justify-between px-6 py-4 bg-black/40 backdrop-blur-xl border-b border-white/5 rounded-t-2xl">
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<div class="flex items-center gap-4">
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<!-- 装饰性 Mac 窗口按钮 -->
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<div class="flex gap-2">
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<div class="w-3 h-3 rounded-full bg-[#ff5f56]"></div>
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<div class="w-3 h-3 rounded-full bg-[#ffbd2e]"></div>
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<div class="w-3 h-3 rounded-full bg-[#27c93f]"></div>
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</div>
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<span class="text-xs font-mono text-white/40 tracking-widest uppercase ml-2">Code Playground</span>
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<!-- 运行状态指示器 -->
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<div v-if="isRunning" class="flex items-center gap-2 px-2 py-0.5 rounded-full bg-yellow-500/10 border border-yellow-500/20">
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<span class="block w-1.5 h-1.5 rounded-full bg-yellow-500 animate-pulse"></span>
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<span class="text-[10px] font-mono text-yellow-500">Compiling...</span>
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</div>
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</div>
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<!-- 语言选择器 & 操作区 -->
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<div class="flex items-center gap-4">
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<CustomSelect
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v-model="selectedLanguage"
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:options="languageOptions.filter(opt => !opt.disabled)"
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@update:modelValue="handleLanguageChange"
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placeholder="选择语言"
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style="width: 180px; font-family: monospace; font-size: 0.75rem;"
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/>
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<button
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@click="runCode"
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class="flex items-center gap-2 px-3 py-1.5 bg-[#d4b383] hover:bg-[#c4a373] text-black text-xs font-bold rounded-lg transition-colors"
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title="运行代码 (Ctrl + Enter)"
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>
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<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="currentColor" stroke="none"><path d="M5 3l14 9-14 9V3z"/></svg>
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<span>RUN</span>
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</button>
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</div>
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</div>
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<!-- 主体内容区 -->
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<div class="relative z-10 flex-1 flex flex-col md:flex-row bg-[#050505]/80 backdrop-blur-sm rounded-b-2xl overflow-hidden border border-t-0 border-white/5">
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<!-- 左侧：代码编辑器 -->
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<div class="w-full md:w-1/2 relative flex flex-col border-b md:border-b-0 md:border-r border-white/5 group">
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<div class="absolute inset-0 bg-[#09090b]">
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<!-- 编辑器容器 -->
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<div class="relative w-full h-full font-mono text-sm leading-relaxed custom-scrollbar overflow-hidden">
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<pre
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ref="highlightBlock"
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class="absolute inset-0 p-6 m-0 pointer-events-none z-10 overflow-hidden whitespace-pre-wrap break-words"
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aria-hidden="true"
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><code :class="`language-${selectedLanguage} !bg-transparent !p-0 font-mono`" v-html="highlightedCode"></code></pre>
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<textarea
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ref="textarea"
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v-model="code"
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@input="handleCodeChange"
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@scroll="syncScroll"
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@keydown.ctrl.enter.prevent="runCode"
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@keydown.meta.enter.prevent="runCode"
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class="absolute inset-0 w-full h-full p-6 m-0 bg-transparent text-transparent caret-[#d4b383] z-20 resize-none border-none outline-none font-mono whitespace-pre-wrap break-words"
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spellcheck="false"
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placeholder="// Type your code here..."
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></textarea>
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</div>
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</div>
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</div>
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<!-- 右侧：实时预览 / 终端 -->
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<div class="w-full md:w-1/2 bg-[#121214] flex flex-col relative">
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<div class="h-8 flex items-center justify-between px-4 bg-white/5 border-b border-white/5 shrink-0">
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<span class="text-[10px] font-mono text-[#d4b383] tracking-widest uppercase">
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{{ isConsoleMode ? 'TERMINAL OUTPUT' : 'WEB PREVIEW' }}
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</span>
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<div class="flex items-center gap-2">
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<button @click="clearConsole" v-if="isConsoleMode" class="text-[10px] text-white/40 hover:text-white mr-2">CLEAR</button>
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<span v-if="error" class="flex items-center gap-1 text-[#ef4444] text-[10px]">
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<span class="w-1.5 h-1.5 rounded-full bg-[#ef4444]"></span> ERROR
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</span>
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<span v-else class="flex items-center gap-1 text-green-500 text-[10px]">
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<span class="w-1.5 h-1.5 rounded-full bg-green-500"></span> READY
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</span>
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</div>
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</div>
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<!-- Iframe 容器 -->
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<div class="flex-1 relative bg-white w-full h-full">
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<iframe
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ref="previewFrame"
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sandbox="allow-scripts allow-modals allow-same-origin"
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title="Code Preview"
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class="w-full h-full border-none"
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:class="{ 'bg-[#1e1e1e]': isConsoleMode }"
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></iframe>
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</div>
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</div>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, onMounted, watch, computed } from 'vue'
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import hljs from 'highlight.js'
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import 'highlight.js/styles/atom-one-dark.css'
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import CustomSelect from './CustomSelect.vue'
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// Props & Emits
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const props = defineProps<{
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initialCode?: string
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initialLanguage?: string
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}>()
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// State
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const code = ref('')
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const selectedLanguage = ref(props.initialLanguage || 'html')
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const error = ref('')
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const isRunning = ref(false)
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const previewFrame = ref<HTMLIFrameElement | null>(null)
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const textarea = ref<HTMLTextAreaElement | null>(null)
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const highlightBlock = ref<HTMLElement | null>(null)
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const highlightedCode = ref('')
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// Language options for CustomSelect
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const languageOptions = [
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{ value: 'html', label: 'HTML5' },
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{ value: 'css', label: 'CSS3' },
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{ value: 'javascript', label: 'JavaScript' },
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{ value: 'vue', label: 'Vue 3 (SFC-ish)' },
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{ value: 'react', label: 'React (JSX)' },
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{ value: 'python', label: 'Python (Pyodide)' },
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{ value: 'go', label: 'Go (Backend)' },
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{ value: 'php', label: 'PHP (Backend)' },
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{ value: 'node', label: 'Node.js (Backend)' }
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]
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// Default Templates
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const templates: Record<string, string> = {
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html: `<h1>Hello HTML</h1>\n<p>Edit me!</p>`,
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css: `.box { \n width: 100px; \n height: 100px; \n background: gold; \n}`,
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javascript: `console.log("Hello JS");\nconst x = 10;\nconsole.log(x * 2);`,
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vue: `<div id="app">\n <h1>{{ message }}</h1>\n <button @click="count++">Count: {{ count }}</button>\n</div>\n\n<script type="module">\n import { createApp } from 'https://unpkg.com/vue@3/dist/vue.esm-browser.js'\n createApp({\n data() {\n return {\n message: 'Hello Vue 3!',\n count: 0\n }\n }\n }).mount('#app')\n<\/script>`,
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react: `// React Component\nfunction App() {\n const [count, setCount] = React.useState(0);\n return (\n <div style={{padding: 20, textAlign: 'center'}}>\n <h1>Hello React</h1>\n <p>Count: {count}</p>\n <button \n onClick={() => setCount(count + 1)}\n style={{padding: '8px 16px', background: '#61dafb', border: 'none', borderRadius: 4}}\n >\n Click Me\n </button>\n </div>\n );\n}\n\n// Render\nconst root = ReactDOM.createRoot(document.getElementById('root'));\nroot.render(<App />);`,
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python: `# Python via Pyodide (Wasm)\nimport sys\n\nprint(f"Hello from Python {sys.version.split()[0]}")\n\ndef fib(n):\n if n <= 1: return n\n return fib(n-1) + fib(n-2)\n\nprint(f"Fib(10) = {fib(10)}")`,
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go: `package main\n\nimport "fmt"\n\nfunc main() {\n\tfmt.Println("Hello from Go!")\n}`,
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php: `<?php\n\necho "Hello from PHP " . phpversion();\n`,
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node: `console.log("Hello from Node.js " + process.version);`
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}
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// Computed
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const isConsoleMode = computed(() => {
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return ['javascript', 'python', 'go', 'php', 'node'].includes(selectedLanguage.value)
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})
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// Initialize Code Logic - 修复：优先使用传入的代码
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if (props.initialCode) {
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code.value = props.initialCode
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} else {
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code.value = templates[selectedLanguage.value] || ''
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}
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// Watchers - 修复：监听 props 变化以支持从数据库动态加载
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watch(() => props.initialCode, (newVal) => {
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if (newVal) {
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code.value = newVal
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highlightCode()
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// 延迟运行，给 DOM 一点时间
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setTimeout(() => runCode(), 100)
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}
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})
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watch(() => props.initialLanguage, (newVal) => {
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if (newVal) {
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selectedLanguage.value = newVal
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}
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})
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// Syntax Highlight
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const highlightCode = () => {
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if (!code.value) {
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highlightedCode.value = ''
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return
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}
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try {
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const lang = selectedLanguage.value === 'vue' || selectedLanguage.value === 'react' ? 'javascript' : selectedLanguage.value
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const result = hljs.highlight(code.value, { language: lang })
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highlightedCode.value = result.value
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} catch (err) {
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highlightedCode.value = code.value
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}
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}
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const syncScroll = (e: Event) => {
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const target = e.target as HTMLTextAreaElement
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if (highlightBlock.value) {
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highlightBlock.value.scrollTop = target.scrollTop
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highlightBlock.value.scrollLeft = target.scrollLeft
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}
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}
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// --- Execution Engine ---
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const runCode = async () => {
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if (!previewFrame.value) return
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isRunning.value = true
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error.value = ''
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const iframe = previewFrame.value
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const doc = iframe.contentDocument || iframe.contentWindow?.document
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if (!doc) return
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// 重置
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doc.open()
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// 1. HTML / CSS
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if (selectedLanguage.value === 'html') {
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doc.write(code.value)
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doc.close()
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isRunning.value = false
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}
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else if (selectedLanguage.value === 'css') {
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doc.write(`<html><head><style>${code.value}</style></head><body><div class="box">CSS Demo</div></body></html>`)
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doc.close()
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isRunning.value = false
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}
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// 2. JavaScript / Console
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else if (selectedLanguage.value === 'javascript') {
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const consoleTemplate = getConsoleTemplate(code.value)
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doc.write(consoleTemplate)
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doc.close()
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isRunning.value = false
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}
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// 3. Vue 3 (Global Build)
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else if (selectedLanguage.value === 'vue') {
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const vueTemplate = `
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<!DOCTYPE html>
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<html>
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<head>
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<style>body { font-family: sans-serif; background: #fff; color: #333; padding: 20px; }</style>
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<script src="https://unpkg.com/vue@3/dist/vue.global.js"><\/script>
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</head>
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<body>
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${code.value}
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</body>
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</html>
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`
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doc.write(vueTemplate)
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doc.close()
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isRunning.value = false
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}
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// 4. React (Babel Standalone)
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else if (selectedLanguage.value === 'react') {
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const reactTemplate = `
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<!DOCTYPE html>
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<html>
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<head>
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<style>body { font-family: sans-serif; background: #fff; color: #333; margin: 0; }</style>
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<script src="https://unpkg.com/react@18/umd/react.development.js"><\/script>
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<script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"><\/script>
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<script src="https://unpkg.com/@babel/standalone/babel.min.js"><\/script>
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</head>
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<body>
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<div id="root"></div>
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<script type="text/babel">
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${code.value}
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<\/script>
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</body>
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</html>
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`
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doc.write(reactTemplate)
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doc.close()
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isRunning.value = false
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}
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// 5. Python (Pyodide Wasm)
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else if (selectedLanguage.value === 'python') {
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// Python 加载比较慢，显示 Loading
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const pythonTemplate = `
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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body { background: #1e1e1e; color: #fff; font-family: monospace; padding: 20px; font-size: 14px; }
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.log { border-bottom: 1px solid #333; padding: 4px 0; white-space: pre-wrap; }
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.error { color: #ff6b6b; }
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.loading { color: #d4b383; }
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</style>
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<script src="https://cdn.jsdelivr.net/pyodide/v0.25.0/full/pyodide.js"><\/script>
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</head>
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<body>
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<div id="output">
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<div class="loading">Initializing Python Environment (Pyodide)... This may take a moment.</div>
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</div>
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<script>
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const output = document.getElementById('output');
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function print(text, type = '') {
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const div = document.createElement('div');
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div.className = 'log ' + type;
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div.textContent = text;
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output.appendChild(div);
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}
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async function main() {
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try {
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if (!window.pyodide) {
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window.pyodide = await loadPyodide();
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// 清除 Loading 文字
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output.innerHTML = '';
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print("Python 3.11 Ready.", "loading");
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print("------------------");
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}
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// 重定向 stdout
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pyodide.setStdout({ batched: (msg) => print(msg) });
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// 运行用户代码
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await pyodide.runPythonAsync(\`${code.value.replace(/\\/g, '\\\\').replace(/`/g, '\\`').replace(/\$/g, '\\$')}\`);
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} catch (err) {
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print(err, 'error');
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}
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}
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main();
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<\/script>
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</body>
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</html>
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`
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doc.write(pythonTemplate)
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doc.close()
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isRunning.value = false
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}
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// 6. Backend Languages (Go, PHP, Node.js)
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else if (['go', 'php', 'node'].includes(selectedLanguage.value)) {
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// 显示 Loading 状态
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const loadingTemplate = `
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<!DOCTYPE html>
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<html>
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<body style="background:#1e1e1e;padding:20px;font-family:'JetBrains Mono', monospace;font-size:13px;color:#d4d4d8;margin:0;">
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<div style="color: #d4b383;">Running code on server...</div>
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</body>
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</html>
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`
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doc.write(loadingTemplate)
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try {
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const response = await fetch('http://localhost:8081/api/run', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({
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language: selectedLanguage.value,
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code: code.value
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})
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})
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if (!response.ok) {
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const errorData = await response.json()
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throw new Error(errorData.message || '代码执行失败')
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}
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const data = await response.json()
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const result = data.result // 从统一响应格式中提取 result
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let outputHtml = ''
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if (result.error) {
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outputHtml = `<div style="color: #ef4444; white-space: pre-wrap;">Error:\n${result.error}</div>`
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} else {
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outputHtml = `<div style="white-space: pre-wrap;">${result.output}</div>`
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if (result.exitCode !== 0) {
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outputHtml += `<div style="color: #ef4444; margin-top: 10px; border-top: 1px solid #333; padding-top: 5px;">Process exited with code ${result.exitCode}</div>`
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}
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}
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const resultTemplate = `
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<!DOCTYPE html>
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<html>
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<body style="background:#1e1e1e;padding:20px;font-family:'JetBrains Mono', monospace;font-size:13px;color:#d4d4d8;margin:0;">
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${outputHtml}
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<div style="margin-top: 20px; font-size: 11px; color: #666;">Execution time: ${result.duration}ms</div>
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</body>
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</html>
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`
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// 重新写入结果
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doc.open()
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doc.write(resultTemplate)
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doc.close()
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} catch (err) {
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const errorTemplate = `
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<!DOCTYPE html>
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<html>
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<body style="background:#1e1e1e;padding:20px;font-family:'JetBrains Mono', monospace;font-size:13px;color:#ef4444;margin:0;">
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<div>Failed to connect to server. Ensure backend is running at http://localhost:8081</div>
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<div style="margin-top:10px;">${err}</div>
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</body>
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</html>
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`
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doc.open()
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doc.write(errorTemplate)
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doc.close()
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} finally {
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isRunning.value = false
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}
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}
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}
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// Helper: Custom Console for JS
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const getConsoleTemplate = (jsCode: string) => {
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return `
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<!DOCTYPE html>
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<html>
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<body style="background:#1e1e1e;padding:20px;font-family:'JetBrains Mono', monospace;font-size:13px;color:#d4d4d8;margin:0;">
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<div id="console"></div>
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<script type="module">
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const logDiv = document.getElementById('console');
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const originalLog = console.log;
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// 劫持 console.log
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console.log = function(...args) {
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const line = document.createElement('div');
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line.style.borderBottom = '1px solid #333';
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line.style.padding = '6px 0';
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// 简单的对象转字符串
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line.textContent = '> ' + args.map(a => typeof a === 'object' ? JSON.stringify(a) : String(a)).join(' ');
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logDiv.appendChild(line);
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originalLog.apply(console, args);
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};
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window.onerror = function(msg, url, line) {
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const err = document.createElement('div');
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err.style.color = '#ef4444';
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err.style.marginTop = '8px';
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err.textContent = 'Error: ' + msg;
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logDiv.appendChild(err);
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};
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try {
|
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${jsCode}
|
||
} catch(e) { console.error(e); }
|
||
<\/script>
|
||
</body>
|
||
</html>
|
||
`
|
||
}
|
||
|
||
const handleCodeChange = () => {
|
||
highlightCode()
|
||
// 对于非 Web 语言（如 Python/React），不自动运行，等待用户点击 Run
|
||
if (['html', 'css', 'javascript'].includes(selectedLanguage.value)) {
|
||
// Debounce auto-run for lightweight languages
|
||
clearTimeout(window.runTimer)
|
||
window.runTimer = setTimeout(() => runCode(), 1000)
|
||
}
|
||
}
|
||
|
||
const handleLanguageChange = () => {
|
||
code.value = templates[selectedLanguage.value] || ''
|
||
highlightCode()
|
||
runCode()
|
||
}
|
||
|
||
const clearConsole = () => {
|
||
if (previewFrame.value) {
|
||
const doc = previewFrame.value.contentDocument
|
||
if (doc) doc.body.innerHTML = '<div id="console"></div>' // 简单清空
|
||
}
|
||
}
|
||
|
||
onMounted(() => {
|
||
highlightCode()
|
||
// Initial Run
|
||
setTimeout(() => runCode(), 500)
|
||
})
|
||
|
||
</script>
|
||
|
||
<style scoped>
|
||
.bg-noise {
|
||
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.07'/%3E%3C/svg%3E");
|
||
}
|
||
|
||
pre, textarea, code {
|
||
font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
|
||
}
|
||
|
||
.custom-scrollbar::-webkit-scrollbar {
|
||
width: 6px;
|
||
height: 6px;
|
||
}
|
||
.custom-scrollbar::-webkit-scrollbar-track {
|
||
background: transparent;
|
||
}
|
||
.custom-scrollbar::-webkit-scrollbar-thumb {
|
||
background: rgba(255, 255, 255, 0.1);
|
||
border-radius: 3px;
|
||
}
|
||
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
|
||
background: #d4b383;
|
||
}
|
||
</style> |