371 lines
14 KiB
HTML
371 lines
14 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>图片生成器</title>
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<link rel="stylesheet" href="style.css" />
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</head>
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<body>
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<div id="app">
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<!-- Header -->
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<header>
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<div class="logo">
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<svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<rect x="3" y="3" width="18" height="18" rx="2"/>
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<circle cx="8.5" cy="8.5" r="1.5"/>
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<polyline points="21,15 16,10 5,21"/>
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</svg>
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<span>图片生成器</span>
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</div>
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<button class="icon-btn" id="openSettings" title="设置">
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<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<circle cx="12" cy="12" r="3"/>
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<path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z"/>
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</svg>
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</button>
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</header>
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<!-- API Key Alert -->
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<div class="alert-banner" id="apiKeyAlert" style="display:none">
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<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>
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<span>未配置 API Key，请先在 <button class="link-btn" id="alertSettingsBtn">设置</button> 中填写。</span>
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</div>
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<!-- Main form -->
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<main>
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<form id="generateForm">
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<div class="prompt-row">
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<textarea
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id="promptInput"
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placeholder="描述你想要生成的图片..."
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rows="3"
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maxlength="1500"
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autofocus
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></textarea>
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<div class="prompt-footer">
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<span class="char-count" id="charCount">0 / 1500</span>
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</div>
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</div>
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<div class="controls">
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<div class="control-group">
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<label for="aspectRatio">Aspect Ratio</label>
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<select id="aspectRatio">
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<option value="1:1">1:1 — 正方形 (1024×1024)</option>
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<option value="16:9" selected>16:9 — 宽屏 (1280×720)</option>
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<option value="4:3">4:3 — 标准 (1152×864)</option>
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<option value="3:2">3:2 — 照片 (1248×832)</option>
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<option value="2:3">2:3 — 竖图 (832×1248)</option>
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<option value="3:4">3:4 — 竖图 (864×1152)</option>
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<option value="9:16">9:16 — 竖屏 (720×1280)</option>
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<option value="21:9">21:9 — 超宽 (1344×576)</option>
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</select>
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</div>
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<button type="submit" class="generate-btn" id="generateBtn">
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<svg class="btn-icon" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<polygon points="13,2 3,14 12,14 11,22 21,10 12,10 13,2"/>
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</svg>
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<span class="btn-text">生成图片</span>
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<svg class="spinner" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
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<circle cx="12" cy="12" r="10" stroke-dasharray="60" stroke-dashoffset="20"/>
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</svg>
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</button>
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</div>
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</form>
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<!-- Error message -->
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<div class="error-msg" id="errorMsg" style="display:none"></div>
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<!-- Generated image(s) -->
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<div class="result-area" id="resultArea" style="display:none">
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<div class="result-header">
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<span id="resultLabel">生成结果</span>
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<div class="result-actions">
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<button class="action-btn" id="downloadBtn" title="Download">
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<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
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<polyline points="7,10 12,15 17,10"/>
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<line x1="12" y1="15" x2="12" y2="3"/>
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</svg>
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下载
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</button>
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<button class="action-btn" id="copyBtn" title="复制 Base64">
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<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<rect x="9" y="9" width="13" height="13" rx="2" ry="2"/>
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<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"/>
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</svg>
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复制
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</button>
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</div>
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</div>
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<div class="image-wrap" id="imageWrap">
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<img id="resultImg" src="" alt="Generated image" />
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</div>
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</div>
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</main>
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</div>
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<!-- Settings Modal -->
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<div class="modal-overlay" id="settingsModal">
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<div class="modal">
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<div class="modal-header">
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<h2>设置</h2>
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<button class="icon-btn" id="closeSettings">
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<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/>
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</svg>
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</button>
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</div>
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<div class="modal-body">
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<div class="field">
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<label for="apiKeyInput">MiniMax API Key</label>
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<div class="input-row">
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<input type="password" id="apiKeyInput" placeholder="eyJhbGciOiJIUzI1NiIsInR..." />
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<button class="icon-btn" id="toggleKey" type="button" title="显示/隐藏">
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<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/>
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<circle cx="12" cy="12" r="3"/>
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</svg>
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</button>
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</div>
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<p class="field-hint">请从 <a href="https://platform.minimaxi.com/" target="_blank" rel="noopener">platform.minimaxi.com</a> 获取 API Key</p>
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</div>
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<div class="field">
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<label for="baseUrlInput">API 地址</label>
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<input type="text" id="baseUrlInput" placeholder="https://api.minimaxi.com" />
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<p class="field-hint">默认使用中国区 API，仅在需要代理时修改。</p>
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</div>
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</div>
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<div class="modal-footer">
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<button class="btn-secondary" id="cancelSettings">取消</button>
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<button class="btn-primary" id="saveSettings">保存</button>
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</div>
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</div>
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</div>
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<script>
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'use strict';
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// ============================================================
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// DOM refs
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// ============================================================
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const promptInput = document.getElementById('promptInput');
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const charCount = document.getElementById('charCount');
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const aspectRatio = document.getElementById('aspectRatio');
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const generateForm = document.getElementById('generateForm');
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const generateBtn = document.getElementById('generateBtn');
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const btnIcon = generateBtn.querySelector('.btn-icon');
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const btnText = generateBtn.querySelector('.btn-text');
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const spinner = generateBtn.querySelector('.spinner');
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const errorMsg = document.getElementById('errorMsg');
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const resultArea = document.getElementById('resultArea');
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const resultLabel = document.getElementById('resultLabel');
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const resultImg = document.getElementById('resultImg');
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const imageWrap = document.getElementById('imageWrap');
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const downloadBtn = document.getElementById('downloadBtn');
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const copyBtn = document.getElementById('copyBtn');
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const apiKeyAlert = document.getElementById('apiKeyAlert');
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const alertSettings = document.getElementById('alertSettingsBtn');
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const settingsModal = document.getElementById('settingsModal');
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const openSettings = document.getElementById('openSettings');
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const closeSettings = document.getElementById('closeSettings');
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const cancelSettings = document.getElementById('cancelSettings');
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const saveSettingsBtn= document.getElementById('saveSettings');
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const apiKeyInput = document.getElementById('apiKeyInput');
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const toggleKey = document.getElementById('toggleKey');
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const baseUrlInput = document.getElementById('baseUrlInput');
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// ============================================================
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// State
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// ============================================================
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let currentBase64 = '';
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let loading = false;
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// ============================================================
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// Helpers
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// ============================================================
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function setLoading(on) {
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loading = on;
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generateBtn.disabled = on;
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btnIcon.style.display = on ? 'none' : '';
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btnText.style.display = on ? 'none' : '';
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spinner.style.display = on ? 'inline' : 'none';
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generateBtn.classList.toggle('loading', on);
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}
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function showError(msg) {
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errorMsg.textContent = msg;
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errorMsg.style.display = 'flex';
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}
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function clearError() {
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errorMsg.style.display = 'none';
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}
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function showResult(base64Data) {
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currentBase64 = base64Data;
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resultImg.src = 'data:image/jpeg;base64,' + base64Data;
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resultArea.style.display = 'block';
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imageWrap.classList.add('pop-in');
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setTimeout(() => imageWrap.classList.remove('pop-in'), 600);
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}
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async function api(path, opts = {}) {
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const res = await fetch(path, opts);
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const json = await res.json();
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if (!res.ok) throw new Error(json.error || `HTTP ${res.status}`);
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return json;
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}
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// ============================================================
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// Init: load config
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// ============================================================
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async function init() {
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try {
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const cfg = await api('/api/config');
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if (!cfg.hasApiKey) {
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apiKeyAlert.style.display = 'flex';
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}
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baseUrlInput.value = cfg.baseUrl || 'https://api.minimaxi.com';
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} catch (e) {
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// non-fatal
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}
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}
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// ============================================================
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// Generate
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// ============================================================
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generateForm.addEventListener('submit', async (e) => {
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e.preventDefault();
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if (loading) return;
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const prompt = promptInput.value.trim();
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if (!prompt) {
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showError('请输入描述内容。');
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return;
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}
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clearError();
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resultArea.style.display = 'none';
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setLoading(true);
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try {
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const data = await api('/api/generate', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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prompt: prompt,
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aspect_ratio: aspectRatio.value,
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}),
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});
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if (!data.images || data.images.length === 0) {
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throw new Error('未返回任何图片。');
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}
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showResult(data.images[0]);
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} catch (err) {
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showError(err.message);
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} finally {
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setLoading(false);
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}
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});
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// ============================================================
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// Prompt char count
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// ============================================================
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promptInput.addEventListener('input', () => {
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charCount.textContent = `${promptInput.value.length} / 1500`;
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});
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// ============================================================
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// Download
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// ============================================================
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downloadBtn.addEventListener('click', () => {
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if (!currentBase64) return;
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const a = document.createElement('a');
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a.href = 'data:image/jpeg;base64,' + currentBase64;
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a.download = 'generated-' + Date.now() + '.jpg';
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a.click();
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});
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copyBtn.addEventListener('click', async () => {
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if (!currentBase64) return;
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try {
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await navigator.clipboard.writeText(currentBase64);
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copyBtn.textContent = '已复制！';
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setTimeout(() => { copyBtn.innerHTML = `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"/><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"/></svg> 复制`; }, 1500);
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} catch {
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showError('复制失败。');
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}
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});
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// ============================================================
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// Settings modal
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// ============================================================
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function openModal() {
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settingsModal.classList.add('open');
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apiKeyInput.focus();
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}
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function closeModal() {
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settingsModal.classList.remove('open');
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clearError();
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}
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openSettings.addEventListener('click', openModal);
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alertSettings.addEventListener('click', openModal);
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closeSettings.addEventListener('click', closeModal);
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cancelSettings.addEventListener('click', closeModal);
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settingsModal.addEventListener('click', (e) => {
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if (e.target === settingsModal) closeModal();
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});
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toggleKey.addEventListener('click', () => {
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const isPw = apiKeyInput.type === 'password';
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apiKeyInput.type = isPw ? 'text' : 'password';
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});
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saveSettingsBtn.addEventListener('click', async () => {
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clearError();
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const apiKey = apiKeyInput.value.trim();
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const baseUrl = baseUrlInput.value.trim() || 'https://api.minimax.io';
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try {
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await api('/api/config', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ apiKey, baseUrl }),
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});
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if (apiKey) {
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apiKeyAlert.style.display = 'none';
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}
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closeModal();
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} catch (err) {
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showError(err.message);
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}
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});
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// ============================================================
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// Init
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// ============================================================
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init();
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</script>
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