Spaces:
Running
Running
0.2.0
Browse files
README.md
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@@ -14,7 +14,9 @@ pinned: false # 是否在你的个人资料页置顶这个 Space (可选)
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## ✨ 功能特性
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* **🎯 动态路径 API**: 通过 URL 路径直接指定目标格式、转换模式和质量参数
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* **🎬 动画支持**: 完整支持 GIF、Animated WebP/AVIF/APNG 等动画格式
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* **🔄 多格式转换**: 支持 AVIF、WebP、JPEG、PNG、GIF、HEIF 格式互转
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* **⚙️ 灵活配置**: 支持有损/无损两种模式,质量参数可在 0-100 范围自由调节
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## 📡 API 端点
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### 1.
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**端点**: `POST /convert/{target_format}/{mode}/{setting}`
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-o output.jpg
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```
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###
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**端点**: `GET /health`
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## 🐛 已知问题与修复
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###
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1. ✅ **修复 Timeout 实现**: 超时现在正确应用于进程执行而非进程创建
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2. ✅ **修复 WebP 无损质量**: 无损模式下 quality 固定为 100
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## ✨ 功能特性
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* **🌐 图形化界面**: 访问根路径即可使用现代化 Web 上传界面,零编程门槛
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* **🎯 动态路径 API**: 通过 URL 路径直接指定目标格式、转换模式和质量参数
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* **📤 双上传模式**: 支持网页表单上传和 RESTful API 调用两种方式
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* **🎬 动画支持**: 完整支持 GIF、Animated WebP/AVIF/APNG 等动画格式
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* **🔄 多格式转换**: 支持 AVIF、WebP、JPEG、PNG、GIF、HEIF 格式互转
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* **⚙️ 灵活配置**: 支持有损/无损两种模式,质量参数可在 0-100 范围自由调节
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## 📡 API 端点
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### 1. Web 上传界面 (新功能!)
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**端点**: `GET /`
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访问根路径即可打开用户友好的图形化上传界面,无需编程知识即可使用。
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**特点**:
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- 🎨 现代化响应式界面
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- 📱 支持移动设备
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- 🖱️ 拖拽上传支持
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- 📊 实时参数预览
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- 🔗 快速访问 API 文档
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**表单上传端点**: `POST /`
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支持通过 HTML 表单提交转换请求(与网页界面使用相同端点)。
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**表单参数**:
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- `file`: 图像文件(必需)
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- `target_format`: 目标格式(默认: `webp`)
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- `mode`: 转换模式(默认: `lossy`)
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- `setting`: 质量参数 0-100(默认: `80`)
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**示例**:
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```bash
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# 使用表单方式上传(与网页界面相同)
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curl -X POST "http://localhost:8000/" \
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-F "file=@input.jpg" \
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-F "target_format=avif" \
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-F "mode=lossy" \
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-F "setting=85" \
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-o output.avif
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```
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### 2. API 端点(程序化调用)
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**端点**: `POST /convert/{target_format}/{mode}/{setting}`
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-o output.jpg
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```
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### 3. 健康检查
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**端点**: `GET /health`
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## 🐛 已知问题与修复
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### V4 版本更新 (当前版本)
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1. ✅ **新增 Web 上传界面**: 在根路径 `/` 提供现代化图形化上传界面
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2. ✅ **新增表单上传 API**: 支持通过 `POST /` 使用表单数据上传
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3. ✅ **代码架构重构**: 提取核心转换逻辑,实现代码复用
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4. ✅ **改进用户体验**: 实时参数提示、拖拽上传、响应式设计
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5. ✅ **完善 API 文档**: 在 Web 界面提供快速访问链接
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### V3 版本修复
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1. ✅ **修复 Timeout 实现**: 超时现在正确应用于进程执行而非进程创建
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2. ✅ **修复 WebP 无损质量**: 无损模式下 quality 固定为 100
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main.py
CHANGED
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@@ -20,9 +20,10 @@ from fastapi import (
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UploadFile,
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HTTPException,
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BackgroundTasks,
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Path
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)
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from fastapi.responses import FileResponse, JSONResponse
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import subprocess
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import asyncio
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import tempfile
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# --- 3. FastAPI 应用初始化 ---
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app = FastAPI(
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title="Magick 动态图像转换器 (
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description="
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version="
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)
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# 启动时确保临时目录存在
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except Exception as cleanup_error:
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logger.error(f"后台清理:删除 {temp_dir} 失败: {cleanup_error}", exc_info=True)
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# --- 5.
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@app.get("/health", summary="服务健康检查")
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async def health_check():
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logger.error(f"健康检查失败: {str(e)}")
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return JSONResponse(status_code=500, content={"status": "unhealthy", "error": str(e)})
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"/convert/{target_format}/{mode}/{setting}",
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summary="动态转换图像 (支持动图)",
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response_class=FileResponse,
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responses={
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200: {"description": "转换成功,返回图像文件"},
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400: {"description": "请求无效(例如文件过大)"},
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422: {"description": "路径参数验证失败(例如格式不支持)"},
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500: {"description": "服务器内部转换失败"},
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504: {"description": "转换处理超时"}
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}
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)
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async def convert_image_dynamic(
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background_tasks: BackgroundTasks,
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"""
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"""
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logger.info(f"
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# 预检查: AVIF/HEIF 格式需要 heif-enc 依赖
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if target_format in ["avif", "heif"]:
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await file.close()
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# 备用清理:仅当未注册后台任务时立即清理
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if not cleanup_scheduled and os.path.exists(temp_dir):
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cleanup_temp_dir(temp_dir)
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UploadFile,
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HTTPException,
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BackgroundTasks,
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+
Path,
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+
Form
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| 25 |
)
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| 26 |
+
from fastapi.responses import FileResponse, JSONResponse, HTMLResponse
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| 27 |
import subprocess
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import asyncio
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import tempfile
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| 58 |
# --- 3. FastAPI 应用初始化 ---
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| 59 |
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app = FastAPI(
|
| 61 |
+
title="Magick 动态图像转换器 (V4)",
|
| 62 |
+
description="通过 Web 界面或 API 实现多种格式的(无)损图像转换,支持动图。提供现代化图形上传界面和灵活的 RESTful API。",
|
| 63 |
+
version="4.0.0"
|
| 64 |
)
|
| 65 |
|
| 66 |
# 启动时确保临时目录存在
|
|
|
|
| 103 |
except Exception as cleanup_error:
|
| 104 |
logger.error(f"后台清理:删除 {temp_dir} 失败: {cleanup_error}", exc_info=True)
|
| 105 |
|
| 106 |
+
# --- 5. HTML 模板 ---
|
| 107 |
+
|
| 108 |
+
HTML_UPLOAD_PAGE = """
|
| 109 |
+
<!DOCTYPE html>
|
| 110 |
+
<html lang="zh-CN">
|
| 111 |
+
<head>
|
| 112 |
+
<meta charset="UTF-8">
|
| 113 |
+
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
| 114 |
+
<title>Magick 图像转换器</title>
|
| 115 |
+
<style>
|
| 116 |
+
* { box-sizing: border-box; margin: 0; padding: 0; }
|
| 117 |
+
body {
|
| 118 |
+
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
|
| 119 |
+
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
|
| 120 |
+
min-height: 100vh;
|
| 121 |
+
padding: 20px;
|
| 122 |
+
display: flex;
|
| 123 |
+
align-items: center;
|
| 124 |
+
justify-content: center;
|
| 125 |
+
}
|
| 126 |
+
.container {
|
| 127 |
+
background: white;
|
| 128 |
+
border-radius: 20px;
|
| 129 |
+
box-shadow: 0 20px 60px rgba(0,0,0,0.3);
|
| 130 |
+
max-width: 600px;
|
| 131 |
+
width: 100%;
|
| 132 |
+
padding: 40px;
|
| 133 |
+
}
|
| 134 |
+
h1 {
|
| 135 |
+
color: #333;
|
| 136 |
+
margin-bottom: 10px;
|
| 137 |
+
font-size: 28px;
|
| 138 |
+
text-align: center;
|
| 139 |
+
}
|
| 140 |
+
.subtitle {
|
| 141 |
+
color: #666;
|
| 142 |
+
text-align: center;
|
| 143 |
+
margin-bottom: 30px;
|
| 144 |
+
font-size: 14px;
|
| 145 |
+
}
|
| 146 |
+
.form-group {
|
| 147 |
+
margin-bottom: 25px;
|
| 148 |
+
}
|
| 149 |
+
label {
|
| 150 |
+
display: block;
|
| 151 |
+
color: #333;
|
| 152 |
+
font-weight: 600;
|
| 153 |
+
margin-bottom: 8px;
|
| 154 |
+
font-size: 14px;
|
| 155 |
+
}
|
| 156 |
+
.file-input-wrapper {
|
| 157 |
+
position: relative;
|
| 158 |
+
border: 2px dashed #667eea;
|
| 159 |
+
border-radius: 10px;
|
| 160 |
+
padding: 30px;
|
| 161 |
+
text-align: center;
|
| 162 |
+
background: #f8f9ff;
|
| 163 |
+
cursor: pointer;
|
| 164 |
+
transition: all 0.3s;
|
| 165 |
+
}
|
| 166 |
+
.file-input-wrapper:hover {
|
| 167 |
+
border-color: #764ba2;
|
| 168 |
+
background: #f0f2ff;
|
| 169 |
+
}
|
| 170 |
+
.file-input-wrapper input[type="file"] {
|
| 171 |
+
position: absolute;
|
| 172 |
+
width: 100%;
|
| 173 |
+
height: 100%;
|
| 174 |
+
top: 0;
|
| 175 |
+
left: 0;
|
| 176 |
+
opacity: 0;
|
| 177 |
+
cursor: pointer;
|
| 178 |
+
}
|
| 179 |
+
.file-label {
|
| 180 |
+
color: #667eea;
|
| 181 |
+
font-weight: 600;
|
| 182 |
+
}
|
| 183 |
+
select, input[type="range"] {
|
| 184 |
+
width: 100%;
|
| 185 |
+
padding: 12px;
|
| 186 |
+
border: 2px solid #e0e0e0;
|
| 187 |
+
border-radius: 8px;
|
| 188 |
+
font-size: 14px;
|
| 189 |
+
transition: border-color 0.3s;
|
| 190 |
+
}
|
| 191 |
+
select:focus {
|
| 192 |
+
outline: none;
|
| 193 |
+
border-color: #667eea;
|
| 194 |
+
}
|
| 195 |
+
.radio-group {
|
| 196 |
+
display: flex;
|
| 197 |
+
gap: 20px;
|
| 198 |
+
}
|
| 199 |
+
.radio-label {
|
| 200 |
+
display: flex;
|
| 201 |
+
align-items: center;
|
| 202 |
+
cursor: pointer;
|
| 203 |
+
font-weight: normal;
|
| 204 |
+
}
|
| 205 |
+
.radio-label input[type="radio"] {
|
| 206 |
+
margin-right: 8px;
|
| 207 |
+
cursor: pointer;
|
| 208 |
+
}
|
| 209 |
+
.slider-container {
|
| 210 |
+
display: flex;
|
| 211 |
+
align-items: center;
|
| 212 |
+
gap: 15px;
|
| 213 |
+
}
|
| 214 |
+
input[type="range"] {
|
| 215 |
+
flex: 1;
|
| 216 |
+
}
|
| 217 |
+
.slider-value {
|
| 218 |
+
min-width: 45px;
|
| 219 |
+
text-align: center;
|
| 220 |
+
font-weight: 600;
|
| 221 |
+
color: #667eea;
|
| 222 |
+
font-size: 18px;
|
| 223 |
+
}
|
| 224 |
+
.param-hint {
|
| 225 |
+
background: #f0f2ff;
|
| 226 |
+
padding: 12px;
|
| 227 |
+
border-radius: 8px;
|
| 228 |
+
font-size: 13px;
|
| 229 |
+
color: #555;
|
| 230 |
+
margin-top: 10px;
|
| 231 |
+
border-left: 4px solid #667eea;
|
| 232 |
+
}
|
| 233 |
+
.submit-btn {
|
| 234 |
+
width: 100%;
|
| 235 |
+
padding: 15px;
|
| 236 |
+
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
|
| 237 |
+
color: white;
|
| 238 |
+
border: none;
|
| 239 |
+
border-radius: 10px;
|
| 240 |
+
font-size: 16px;
|
| 241 |
+
font-weight: 600;
|
| 242 |
+
cursor: pointer;
|
| 243 |
+
transition: transform 0.2s, box-shadow 0.2s;
|
| 244 |
+
}
|
| 245 |
+
.submit-btn:hover {
|
| 246 |
+
transform: translateY(-2px);
|
| 247 |
+
box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
|
| 248 |
+
}
|
| 249 |
+
.submit-btn:active {
|
| 250 |
+
transform: translateY(0);
|
| 251 |
+
}
|
| 252 |
+
.links {
|
| 253 |
+
margin-top: 25px;
|
| 254 |
+
text-align: center;
|
| 255 |
+
padding-top: 25px;
|
| 256 |
+
border-top: 1px solid #e0e0e0;
|
| 257 |
+
}
|
| 258 |
+
.links a {
|
| 259 |
+
color: #667eea;
|
| 260 |
+
text-decoration: none;
|
| 261 |
+
margin: 0 15px;
|
| 262 |
+
font-size: 14px;
|
| 263 |
+
font-weight: 500;
|
| 264 |
+
}
|
| 265 |
+
.links a:hover {
|
| 266 |
+
text-decoration: underline;
|
| 267 |
+
}
|
| 268 |
+
.selected-file {
|
| 269 |
+
margin-top: 10px;
|
| 270 |
+
color: #28a745;
|
| 271 |
+
font-size: 13px;
|
| 272 |
+
font-weight: 500;
|
| 273 |
+
}
|
| 274 |
+
</style>
|
| 275 |
+
</head>
|
| 276 |
+
<body>
|
| 277 |
+
<div class="container">
|
| 278 |
+
<h1>🧙♂️ Magick 图像转换器</h1>
|
| 279 |
+
<p class="subtitle">支持多格式转换 | 有损/无损模式 | 支持动画图像</p>
|
| 280 |
+
|
| 281 |
+
<form id="uploadForm" action="/" method="POST" enctype="multipart/form-data">
|
| 282 |
+
<div class="form-group">
|
| 283 |
+
<label>选择图像文件</label>
|
| 284 |
+
<div class="file-input-wrapper">
|
| 285 |
+
<input type="file" name="file" id="fileInput" accept="image/*" required>
|
| 286 |
+
<div class="file-label">
|
| 287 |
+
📁 点击选择或拖拽文件到此处
|
| 288 |
+
<div style="font-size: 12px; color: #999; margin-top: 8px;">
|
| 289 |
+
支持 JPG, PNG, GIF, WebP, AVIF, HEIF 等格式
|
| 290 |
+
</div>
|
| 291 |
+
</div>
|
| 292 |
+
</div>
|
| 293 |
+
<div id="selectedFile" class="selected-file"></div>
|
| 294 |
+
</div>
|
| 295 |
+
|
| 296 |
+
<div class="form-group">
|
| 297 |
+
<label for="target_format">目标格式</label>
|
| 298 |
+
<select name="target_format" id="target_format" required>
|
| 299 |
+
<option value="webp" selected>WebP - 现代高效格式</option>
|
| 300 |
+
<option value="avif">AVIF - 最新一代格式</option>
|
| 301 |
+
<option value="jpeg">JPEG - 经典有损格式</option>
|
| 302 |
+
<option value="png">PNG - 无损格式</option>
|
| 303 |
+
<option value="gif">GIF - 动画格式</option>
|
| 304 |
+
<option value="heif">HEIF - 高效图像格式</option>
|
| 305 |
+
</select>
|
| 306 |
+
</div>
|
| 307 |
+
|
| 308 |
+
<div class="form-group">
|
| 309 |
+
<label>转换模式</label>
|
| 310 |
+
<div class="radio-group">
|
| 311 |
+
<label class="radio-label">
|
| 312 |
+
<input type="radio" name="mode" value="lossy" checked>
|
| 313 |
+
有损压缩 (更小体积)
|
| 314 |
+
</label>
|
| 315 |
+
<label class="radio-label">
|
| 316 |
+
<input type="radio" name="mode" value="lossless">
|
| 317 |
+
无损压缩 (保持质量)
|
| 318 |
+
</label>
|
| 319 |
+
</div>
|
| 320 |
+
</div>
|
| 321 |
+
|
| 322 |
+
<div class="form-group">
|
| 323 |
+
<label for="setting">质量参数</label>
|
| 324 |
+
<div class="slider-container">
|
| 325 |
+
<input type="range" name="setting" id="setting" min="0" max="100" value="80">
|
| 326 |
+
<span class="slider-value" id="settingValue">80</span>
|
| 327 |
+
</div>
|
| 328 |
+
<div class="param-hint" id="paramHint">
|
| 329 |
+
质量: 80 - 高质量 (0=最低质量,100=最高质量)
|
| 330 |
+
</div>
|
| 331 |
+
</div>
|
| 332 |
+
|
| 333 |
+
<button type="submit" class="submit-btn">🚀 开始转换</button>
|
| 334 |
+
</form>
|
| 335 |
+
|
| 336 |
+
<div class="links">
|
| 337 |
+
<a href="/docs" target="_blank">📖 API 文档</a>
|
| 338 |
+
<a href="/health" target="_blank">🏥 健康检查</a>
|
| 339 |
+
</div>
|
| 340 |
+
</div>
|
| 341 |
+
|
| 342 |
+
<script>
|
| 343 |
+
// 文件选择提示
|
| 344 |
+
const fileInput = document.getElementById('fileInput');
|
| 345 |
+
const selectedFile = document.getElementById('selectedFile');
|
| 346 |
+
|
| 347 |
+
fileInput.addEventListener('change', function() {
|
| 348 |
+
if (this.files.length > 0) {
|
| 349 |
+
selectedFile.textContent = '✓ 已选择: ' + this.files[0].name;
|
| 350 |
+
}
|
| 351 |
+
});
|
| 352 |
+
|
| 353 |
+
// 滑块实时更新
|
| 354 |
+
const slider = document.getElementById('setting');
|
| 355 |
+
const sliderValue = document.getElementById('settingValue');
|
| 356 |
+
const paramHint = document.getElementById('paramHint');
|
| 357 |
+
const modeRadios = document.querySelectorAll('input[name="mode"]');
|
| 358 |
+
|
| 359 |
+
function updateHint() {
|
| 360 |
+
const mode = document.querySelector('input[name="mode"]:checked').value;
|
| 361 |
+
const value = slider.value;
|
| 362 |
+
sliderValue.textContent = value;
|
| 363 |
+
|
| 364 |
+
if (mode === 'lossy') {
|
| 365 |
+
let quality = '中等';
|
| 366 |
+
if (value >= 90) quality = '极高';
|
| 367 |
+
else if (value >= 80) quality = '高';
|
| 368 |
+
else if (value >= 60) quality = '中等';
|
| 369 |
+
else if (value >= 40) quality = '中低';
|
| 370 |
+
else quality = '低';
|
| 371 |
+
paramHint.textContent = `质量: ${value} - ${quality}质量 (0=最低质量,100=最高质量)`;
|
| 372 |
+
} else {
|
| 373 |
+
let speed = '平衡';
|
| 374 |
+
if (value <= 20) speed = '最慢/最佳压缩';
|
| 375 |
+
else if (value <= 40) speed = '较慢/较好压缩';
|
| 376 |
+
else if (value <= 60) speed = '平衡';
|
| 377 |
+
else if (value <= 80) speed = '较快/较差压缩';
|
| 378 |
+
else speed = '最快/最差压缩';
|
| 379 |
+
paramHint.textContent = `压缩速度: ${value} - ${speed} (0=最慢/最佳,100=最快/最差)`;
|
| 380 |
+
}
|
| 381 |
+
}
|
| 382 |
+
|
| 383 |
+
slider.addEventListener('input', updateHint);
|
| 384 |
+
modeRadios.forEach(radio => radio.addEventListener('change', updateHint));
|
| 385 |
+
|
| 386 |
+
// 表单提交处理
|
| 387 |
+
const form = document.getElementById('uploadForm');
|
| 388 |
+
const submitBtn = form.querySelector('.submit-btn');
|
| 389 |
+
const originalBtnText = submitBtn.textContent;
|
| 390 |
+
|
| 391 |
+
form.addEventListener('submit', function() {
|
| 392 |
+
submitBtn.textContent = '⏳ 转换中...';
|
| 393 |
+
submitBtn.disabled = true;
|
| 394 |
+
});
|
| 395 |
+
</script>
|
| 396 |
+
</body>
|
| 397 |
+
</html>
|
| 398 |
+
"""
|
| 399 |
+
|
| 400 |
+
# --- 6. API 端点 ---
|
| 401 |
+
|
| 402 |
+
@app.get("/", response_class=HTMLResponse, summary="上传界面")
|
| 403 |
+
async def root():
|
| 404 |
+
"""
|
| 405 |
+
返回用户友好的HTML上传表单页面。
|
| 406 |
+
提供图形化界面进行图像转换,无需编程知识。
|
| 407 |
+
"""
|
| 408 |
+
return HTML_UPLOAD_PAGE
|
| 409 |
|
| 410 |
@app.get("/health", summary="服务健康检查")
|
| 411 |
async def health_check():
|
|
|
|
| 446 |
logger.error(f"健康检查失败: {str(e)}")
|
| 447 |
return JSONResponse(status_code=500, content={"status": "unhealthy", "error": str(e)})
|
| 448 |
|
| 449 |
+
async def _perform_conversion(
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 450 |
background_tasks: BackgroundTasks,
|
| 451 |
+
file: UploadFile,
|
| 452 |
+
target_format: str,
|
| 453 |
+
mode: str,
|
| 454 |
+
setting: int
|
| 455 |
+
) -> FileResponse:
|
| 456 |
"""
|
| 457 |
+
核心图像转换逻辑(内部函数)。
|
| 458 |
+
被多个端点复用以避免代码重复。
|
| 459 |
|
| 460 |
+
Args:
|
| 461 |
+
background_tasks: FastAPI后台任务对象
|
| 462 |
+
file: 上传的图像文件
|
| 463 |
+
target_format: 目标格式 (avif, webp, jpeg, png, gif, heif)
|
| 464 |
+
mode: 转换模式 (lossy, lossless)
|
| 465 |
+
setting: 质量/压缩参数 (0-100)
|
| 466 |
+
|
| 467 |
+
Returns:
|
| 468 |
+
FileResponse: 转换后的图像文件
|
| 469 |
"""
|
| 470 |
+
logger.info(f"开始转换: {target_format}/{mode}/{setting} (文件: {file.filename})")
|
| 471 |
|
| 472 |
# 预检查: AVIF/HEIF 格式需要 heif-enc 依赖
|
| 473 |
if target_format in ["avif", "heif"]:
|
|
|
|
| 682 |
await file.close()
|
| 683 |
# 备用清理:仅当未注册后台任务时立即清理
|
| 684 |
if not cleanup_scheduled and os.path.exists(temp_dir):
|
| 685 |
+
cleanup_temp_dir(temp_dir)
|
| 686 |
+
|
| 687 |
+
@app.post("/", response_class=FileResponse, summary="简化上传转换")
|
| 688 |
+
async def upload_convert(
|
| 689 |
+
background_tasks: BackgroundTasks,
|
| 690 |
+
file: UploadFile = File(..., description="要转换的图像文件"),
|
| 691 |
+
target_format: str = Form("webp", description="目标格式"),
|
| 692 |
+
mode: str = Form("lossy", description="转换模式"),
|
| 693 |
+
setting: int = Form(80, ge=0, le=100, description="质量参数")
|
| 694 |
+
):
|
| 695 |
+
"""
|
| 696 |
+
通过HTML表单上传并转换图像。
|
| 697 |
+
|
| 698 |
+
这个端点接收表单数据(而非URL路径参数),适合从网页表单调用。
|
| 699 |
+
内部调用与 /convert/{format}/{mode}/{setting} 相同的转换逻辑。
|
| 700 |
+
|
| 701 |
+
- **file**: 图像文件
|
| 702 |
+
- **target_format**: 目标格式 (avif, webp, jpeg, png, gif, heif),默认 webp
|
| 703 |
+
- **mode**: 转换模式 (lossy, lossless),默认 lossy
|
| 704 |
+
- **setting**: 质量/压缩参数 (0-100),默认 80
|
| 705 |
+
"""
|
| 706 |
+
# 验证参数
|
| 707 |
+
valid_formats = ["avif", "webp", "jpeg", "png", "gif", "heif"]
|
| 708 |
+
if target_format not in valid_formats:
|
| 709 |
+
raise HTTPException(
|
| 710 |
+
status_code=422,
|
| 711 |
+
detail=f"Invalid target_format: {target_format}. Must be one of {valid_formats}"
|
| 712 |
+
)
|
| 713 |
+
|
| 714 |
+
valid_modes = ["lossy", "lossless"]
|
| 715 |
+
if mode not in valid_modes:
|
| 716 |
+
raise HTTPException(
|
| 717 |
+
status_code=422,
|
| 718 |
+
detail=f"Invalid mode: {mode}. Must be one of {valid_modes}"
|
| 719 |
+
)
|
| 720 |
+
|
| 721 |
+
if not (0 <= setting <= 100):
|
| 722 |
+
raise HTTPException(
|
| 723 |
+
status_code=422,
|
| 724 |
+
detail=f"Invalid setting: {setting}. Must be between 0 and 100"
|
| 725 |
+
)
|
| 726 |
+
|
| 727 |
+
logger.info(f"收到表单上传请求: {target_format}/{mode}/{setting} (文件: {file.filename})")
|
| 728 |
+
|
| 729 |
+
# 调用核心转换逻辑
|
| 730 |
+
return await _perform_conversion(
|
| 731 |
+
background_tasks=background_tasks,
|
| 732 |
+
file=file,
|
| 733 |
+
target_format=target_format,
|
| 734 |
+
mode=mode,
|
| 735 |
+
setting=setting
|
| 736 |
+
)
|
| 737 |
+
|
| 738 |
+
@app.post(
|
| 739 |
+
"/convert/{target_format}/{mode}/{setting}",
|
| 740 |
+
summary="动态转换图像 (支持动图)",
|
| 741 |
+
response_class=FileResponse,
|
| 742 |
+
responses={
|
| 743 |
+
200: {"description": "转换成功,返回图像文件"},
|
| 744 |
+
400: {"description": "请求无效(例如文件过大)"},
|
| 745 |
+
422: {"description": "路径参数验证失败(例如格式不支持)"},
|
| 746 |
+
500: {"description": "服务器内部转换失败"},
|
| 747 |
+
504: {"description": "转换处理超时"}
|
| 748 |
+
}
|
| 749 |
+
)
|
| 750 |
+
async def convert_image_dynamic(
|
| 751 |
+
background_tasks: BackgroundTasks,
|
| 752 |
+
target_format: TargetFormat,
|
| 753 |
+
mode: ConversionMode,
|
| 754 |
+
setting: int = Path(..., ge=0, le=100, description="质量(有损) 或 压缩速度(无损) (0-100)"),
|
| 755 |
+
file: UploadFile = File(..., description="要转换的图像文件 (支持动图)")
|
| 756 |
+
):
|
| 757 |
+
"""
|
| 758 |
+
通过动态 URL 路径接收图像文件,执行转换并返回结果。
|
| 759 |
+
|
| 760 |
+
- **target_format**: 目标格式 (avif, webp, jpeg, png, gif, heif)
|
| 761 |
+
- **mode**: 转换模式 (lossless, lossy)
|
| 762 |
+
- **setting**: 模式设置 (0-100)
|
| 763 |
+
- mode=lossy: 0=最差质量, 100=最佳质量
|
| 764 |
+
- mode=lossless: 0=最慢/最佳压缩, 100=最快/最差压缩
|
| 765 |
+
"""
|
| 766 |
+
logger.info(f"收到API转换请求: {target_format}/{mode}/{setting} (文件: {file.filename})")
|
| 767 |
+
|
| 768 |
+
# 调用核心转换逻辑
|
| 769 |
+
return await _perform_conversion(
|
| 770 |
+
background_tasks=background_tasks,
|
| 771 |
+
file=file,
|
| 772 |
+
target_format=target_format,
|
| 773 |
+
mode=mode,
|
| 774 |
+
setting=setting
|
| 775 |
+
)
|