ShowImageWeb/worker-simple.js at main · kaima2022/ShowImageWeb · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
/**
 * ShowImageWeb Cloudflare Worker 简化版
 * 专门用于 OpenAI 格式 API 调用
 */

// 默认配置
const CONFIG = {
    // 您的 OpenAI 兼容 API 配置
    endpoint: 'https://ai.gitee.com/v1',
    defaultApiKey: 'sk-zKTGcw8llBFZLpXAAsxTmMSmCfY8DNfe',
    defaultModel: 'z-image-turbo',
    defaultSize: '1024x1024',
    defaultSteps: 9
  };

  // CORS 配置
  const corsHeaders = {
    'Access-Control-Allow-Origin': '*',
    'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
    'Access-Control-Allow-Headers': 'Content-Type, Authorization',
  };

  /**
   * 处理 OPTIONS 请求
   */
  function handleOptions() {
    return new Response(null, {
      status: 200,
      headers: corsHeaders
    });
  }

  /**
   * 处理主页请求
   */
  function handleHome() {
    const html = `
  <!DOCTYPE html>
  <html lang="zh-CN">
  <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <title>ShowImageWeb - AI图像生成器</title>
      <style>
          * {
              margin: 0;
              padding: 0;
              box-sizing: border-box;
          }
          body {
              font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
              background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
              min-height: 100vh;
              display: flex;
              align-items: center;
              justify-content: center;
              padding: 20px;
          }
          .main-container {
              display: flex;
              gap: 30px;
              max-width: 1200px;
              width: 100%;
              padding: 20px;
          }
          .container {
              background: rgba(255, 255, 255, 0.1);
              backdrop-filter: blur(20px);
              border-radius: 24px;
              padding: 40px;
              box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
              border: 1px solid rgba(255, 255, 255, 0.2);
              flex: 1;
          }
          .control-panel {
              min-width: 400px;
          }
          .result-panel {
              min-width: 400px;
              display: flex;
              flex-direction: column;
          }
          h1 {
              text-align: center;
              font-size: 2.5em;
              margin-bottom: 10px;
              background: linear-gradient(135deg, #ffffff, #f0f0f0);
              -webkit-background-clip: text;
              -webkit-text-fill-color: transparent;
              font-weight: 800;
          }
          .subtitle {
              text-align: center;
              font-size: 1.1em;
              margin-bottom: 30px;
              opacity: 0.9;
              color: rgba(255, 255, 255, 0.9);
          }
          .form-group {
              margin-bottom: 20px;
          }
          label {
              display: block;
              margin-bottom: 8px;
              font-weight: 600;
              color: rgba(255, 255, 255, 0.95);
          }
          textarea, input, select {
              width: 100%;
              padding: 15px;
              border: 1px solid rgba(255, 255, 255, 0.2);
              border-radius: 12px;
              background: rgba(255, 255, 255, 0.1);
              color: white;
              font-size: 16px;
              transition: all 0.3s ease;
          }
          textarea {
              min-height: 120px;
              resize: vertical;
          }
          textarea:focus, input:focus, select:focus {
              outline: none;
              border-color: rgba(102, 126, 234, 0.8);
              background: rgba(255, 255, 255, 0.15);
              box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
          }
          select option {
              color: #333;
              background: white;
          }
          input::placeholder, textarea::placeholder {
              color: rgba(255, 255, 255, 0.6);
          }
          button {
              width: 100%;
              padding: 18px;
              background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
              color: white;
              border: none;
              border-radius: 12px;
              font-size: 18px;
              font-weight: 700;
              cursor: pointer;
              transition: all 0.3s ease;
              margin-top: 20px;
              position: relative;
              overflow: hidden;
          }
          button:hover:not(:disabled) {
              transform: translateY(-2px);
              box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
          }
          button:disabled {
              opacity: 0.6;
              cursor: not-allowed;
              transform: none;
          }
          .form-row {
              display: grid;
              grid-template-columns: 1fr 1fr 1fr;
              gap: 15px;
          }
          .slider-container {
              display: flex;
              align-items: center;
              gap: 10px;
          }
          input[type="range"] {
              flex: 1;
              -webkit-appearance: none;
              height: 6px;
              border-radius: 3px;
              background: rgba(255, 255, 255, 0.2);
              outline: none;
          }
          input[type="range"]::-webkit-slider-thumb {
              -webkit-appearance: none;
              appearance: none;
              width: 20px;
              height: 20px;
              border-radius: 50%;
              background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
              cursor: pointer;
          }
          .result {
              margin-top: 30px;
              text-align: center;
          }
          .result img {
              max-width: 100%;
              border-radius: 16px;
              box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
              margin-bottom: 20px;
          }
          .loading {
              display: inline-block;
              animation: spin 1s linear infinite;
          }
          @keyframes spin {
              to { transform: rotate(360deg); }
          }
          .error {
              background: rgba(255, 107, 107, 0.1);
              border: 1px solid #ff6b6b;
              color: #ff6b6b;
              padding: 15px;
              border-radius: 12px;
              margin-bottom: 15px;
          }
          .success {
              background: rgba(81, 207, 102, 0.1);
              border: 1px solid #51cf66;
              color: #51cf66;
              padding: 15px;
              border-radius: 12px;
              margin-bottom: 15px;
          }
          .download-btn {
              display: inline-block;
              padding: 12px 24px;
              background: linear-gradient(135deg, #51cf66 0%, #2f9e44 100%);
              color: white;
              text-decoration: none;
              border-radius: 12px;
              font-weight: 600;
              transition: all 0.3s ease;
          }
          .download-btn:hover {
              transform: translateY(-2px);
              box-shadow: 0 4px 16px rgba(81, 207, 102, 0.3);
          }
          .info-badge {
              background: rgba(102, 126, 234, 0.1);
              border: 1px solid rgba(102, 126, 234, 0.3);
              color: rgba(255, 255, 255, 0.8);
              padding: 10px 15px;
              border-radius: 8px;
              font-size: 14px;
              margin-top: 10px;
          }
          .seed-btn {
              width: auto;
              padding: 15px 20px;
              background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
              color: white;
              border: none;
              border-radius: 12px;
              font-size: 18px;
              font-weight: 700;
              cursor: pointer;
              transition: all 0.3s ease;
              margin: 0;
              min-width: 60px;
          }
          .seed-btn:hover {
              transform: translateY(-2px);
              box-shadow: 0 8px 25px rgba(118, 75, 162, 0.3);
          }
          @media (max-width: 768px) {
              .main-container {
                  flex-direction: column;
                  gap: 20px;
              }
              .control-panel, .result-panel {
                  min-width: 100%;
              }
              .form-row {
                  grid-template-columns: 1fr;
              }
              .container {
                  padding: 25px;
              }
              h1 {
                  font-size: 2em;
              }
          }
      </style>
  </head>
  <body>
      <div class="main-container">
          <div class="container control-panel">
              <h1>ShowImageWeb</h1>
              <p class="subtitle">🎨 AI图像生成 - 将您的想象力转化为视觉艺术</p>

              <form onsubmit="generateImage(event)">
                  <div class="form-group">
                      <label for="prompt">✨ 描述您的创意</label>
                      <textarea
                          id="prompt"
                          placeholder="🎯 描述您的创意... 例如：一张虚构的英语电影《回忆之味》的海报，场景设置在质朴的19世纪风格厨房里..."
                          required
                      ></textarea>
                  </div>

                  <div class="form-row">
                      <div class="form-group">
                          <label for="model">🤖 模型</label>
                          <select id="model">
                              <option value="z-image-turbo">z-image-turbo</option>
                          </select>
                      </div>

                      <div class="form-group">
                          <label for="size">📐 尺寸</label>
                          <select id="size">
                              <option value="1024x1024">1024x1024</option>
                              <option value="2048x2048">2048x2048</option>
                          </select>
                      </div>

                      <div class="form-group">
                          <label for="steps">🔢 推理步数: <span id="stepsValue">9</span></label>
                          <input type="range" id="steps" min="1" max="50" value="9" oninput="document.getElementById('stepsValue').textContent = this.value">
                      </div>
                  </div>

                  <div class="form-row">
                      <div class="form-group">
                          <label for="seed">🎲 随机种子</label>
                          <div style="display: flex; gap: 10px;">
                              <input type="number" id="seed" value="42" min="1" style="flex: 1;">
                              <button type="button" onclick="randomizeSeed()" class="seed-btn">
                                  🎲
                              </button>
                          </div>
                      </div>

                      <div class="form-group">
                          <label for="apiKey">🔐 API Key (可选)</label>
                          <input type="password" id="apiKey" placeholder="sk-...">
                      </div>
                  </div>

                  <div class="info-badge">
                      💡 提示：使用 OpenAI 兼容格式 API，支持 z-image-turbo、dall-e-3 等模型
                  </div>

                  <button type="submit" id="generateBtn">
                      <span id="btnText">🚀 立即生成</span>
                  </button>
              </form>
          </div>

          <div class="container result-panel">
              <h2 style="text-align: center; font-size: 1.8em; margin-bottom: 20px; background: linear-gradient(135deg, #ffffff, #f0f0f0); -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700;">
                  生成结果
              </h2>
              <div id="result" class="result" style="flex: 1; overflow-y: auto;">
                  <div style="text-align: center; opacity: 0.7; padding: 40px;">
                      <div style="font-size: 3em; margin-bottom: 20px;">🎨</div>
                      <div style="font-size: 1.2em;">您的艺术作品将在这里显示...</div>
                  </div>
              </div>
          </div>
      </div>

      <script>
          // 随机种子功能
          function randomizeSeed() {
              const seedInput = document.getElementById('seed');
              const randomSeed = Math.floor(Math.random() * 1000000) + 1;
              seedInput.value = randomSeed;
          }

          async function generateImage(event) {
              event.preventDefault();

              const btn = document.getElementById('generateBtn');
              const btnText = document.getElementById('btnText');
              const result = document.getElementById('result');

              const prompt = document.getElementById('prompt').value.trim();
              if (!prompt) {
                  result.innerHTML = '<div class="error">⚠️ 请输入提示词</div>';
                  return;
              }

              // 获取表单数据
              const formData = {
                  prompt: prompt,
                  model: document.getElementById('model').value,
                  size: document.getElementById('size').value,
                  steps: parseInt(document.getElementById('steps').value),
                  apiKey: document.getElementById('apiKey').value.trim(),
                  seed: parseInt(document.getElementById('seed').value)
              };

              // 禁用按钮并显示加载状态
              btn.disabled = true;
              btnText.innerHTML = '<span class="loading">⏳</span> AI创作中...';

              // 保留现有图片，不清空结果区域

              try {
                  const response = await fetch('/generate', {
                      method: 'POST',
                      headers: {
                          'Content-Type': 'application/json',
                      },
                      body: JSON.stringify(formData)
                  });

                  const data = await response.json();

                  if (response.ok && data.success) {
                      // 将新图片添加到现有内容上方
                      const newImageHtml = \`
                          <div style="border-bottom: 1px solid rgba(255, 255, 255, 0.1); margin-bottom: 20px; padding-bottom: 20px;">
                              <div class="success">🎉 生成成功！耗时: \${data.duration}秒</div>
                              <img src="data:image/png;base64,\${data.image}" alt="AI Generated Image">
                              <div>
                                  <a href="data:image/png;base64,\${data.image}"
                                     download="AI-Art-\${Date.now()}.png"
                                     class="download-btn">
                                      ⬇️ 下载图片
                                  </a>
                              </div>
                          </div>
                      \`;
                      result.innerHTML = newImageHtml + result.innerHTML;
                  } else {
                      // 如果是首次生成，显示错误信息
                      if (result.innerHTML.includes('等待生成您的艺术作品')) {
                          result.innerHTML = \`<div class="error">❌ \${data.error || '生成失败'}</div>\`;
                      } else {
                          // 在顶部添加错误信息，保留现有内容
                          result.innerHTML = \`<div class="error" style="margin-bottom: 20px;">❌ \${data.error || '生成失败'}</div>\` + result.innerHTML;
                      }
                  }
              } catch (error) {
                  // 如果是首次生成，显示错误信息
                  if (result.innerHTML.includes('等待生成您的艺术作品')) {
                      result.innerHTML = \`<div class="error">💥 网络错误: \${error.message}</div>\`;
                  } else {
                      // 在顶部添加错误信息，保留现有内容
                      result.innerHTML = \`<div class="error" style="margin-bottom: 20px;">💥 网络错误: \${error.message}</div>\` + result.innerHTML;
                  }
              } finally {
                  // 恢复按钮状态
                  btn.disabled = false;
                  btnText.innerHTML = '🚀 立即生成';
              }
          }
      </script>
  </body>
  </html>
    `;

    return new Response(html, {
      headers: {
        'Content-Type': 'text/html',
        ...corsHeaders
      }
    });
  }

  /**
   * 处理图像生成请求
   */
  async function handleGenerate(request) {
    try {
      const requestData = await request.json();

      const { prompt, model, size, steps, apiKey, seed } = requestData;

      // 使用提供的 API Key 或默认的
      const finalApiKey = apiKey || CONFIG.defaultApiKey;

      // 调用 OpenAI 兼容 API
      const requestBody = {
        prompt: prompt,
        model: model || CONFIG.defaultModel,
        size: size || CONFIG.defaultSize,
        extra_body: {
          num_inference_steps: steps || CONFIG.defaultSteps
        }
      };

      // 如果提供了种子，添加到请求中
      if (seed) {
        requestBody.seed = seed;
      }

      const apiRequest = {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'Authorization': `Bearer ${finalApiKey}`
        },
        body: JSON.stringify(requestBody)
      };

      const startTime = Date.now();

      const apiResponse = await fetch(`${CONFIG.endpoint}/images/generations`, apiRequest);

      if (!apiResponse.ok) {
        const errorText = await apiResponse.text();
        throw new Error(`API错误: ${apiResponse.status} - ${errorText}`);
      }

      const apiData = await apiResponse.json();

      // 处理响应数据
      let imageBase64 = null;
      if (apiData.data && apiData.data.length > 0) {
        const imageData = apiData.data[0];

        if (imageData.url) {
          // 下载图片
          const imageResponse = await fetch(imageData.url);
          if (!imageResponse.ok) {
            throw new Error('图片下载失败');
          }
          const imageBuffer = await imageResponse.arrayBuffer();
          imageBase64 = btoa(String.fromCharCode(...new Uint8Array(imageBuffer)));
        } else if (imageData.b64_json) {
          // 直接使用 base64
          imageBase64 = imageData.b64_json;
        }
      }

      if (!imageBase64) {
        throw new Error('未获取到有效的图片数据');
      }

      const duration = ((Date.now() - startTime) / 1000).toFixed(2);

      return new Response(JSON.stringify({
        success: true,
        image: imageBase64,
        duration: duration
      }), {
        status: 200,
        headers: {
          'Content-Type': 'application/json',
          ...corsHeaders
        }
      });

    } catch (error) {
      return new Response(JSON.stringify({
        success: false,
        error: error.message
      }), {
        status: 500,
        headers: {
          'Content-Type': 'application/json',
          ...corsHeaders
        }
      });
    }
  }

  /**
   * 主要的请求处理函数
   */
  export default {
    async fetch(request, env, ctx) {
      const url = new URL(request.url);

      // 处理 CORS 预检请求
      if (request.method === 'OPTIONS') {
        return handleOptions();
      }

      // 路由处理
      switch (url.pathname) {
        case '/':
        case '/index.html':
          return handleHome();

        case '/generate':
          if (request.method !== 'POST') {
            return new Response(JSON.stringify({ error: '仅支持 POST 方法' }), {
              status: 405,
              headers: {
                'Content-Type': 'application/json',
                ...corsHeaders
              }
            });
          }
          return handleGenerate(request);

        default:
          return new Response(JSON.stringify({ error: '页面未找到' }), {
            status: 404,
            headers: {
              'Content-Type': 'application/json',
              ...corsHeaders
            }
          });
      }
    }
  };