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font2pic/apiserver/README.md
2026-02-08 18:28:39 +08:00

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# apiserver
`apiserver/` 提供微信小程序用的远端渲染接口:
- 小程序只上传参数(字体 ID、文字、字号、颜色等
- 服务端读取 `fonts.json` + `fonts/`,生成 SVG 后返回
## 1. 启动
在仓库根目录执行:
```bash
python3 apiserver/server.py \
--host 0.0.0.0 \
--port 9300 \
--static-root /home/gavin/font2svg
```
其中 `--static-root` 目录必须包含:
- `fonts.json`
- `fonts/`(字体文件目录)
如果不传 `--manifest`,默认读取 `<static-root>/fonts.json`
## 2. API
### GET `/healthz`
返回服务健康状态和已加载字体数量。
### POST `/api/render-svg`
请求示例:
```json
{
"fontId": "其他字体/AlimamaDaoLiTi",
"text": "星程字体转换",
"fontSize": 120,
"fillColor": "#000000",
"letterSpacing": 0,
"maxCharsPerLine": 45
}
```
成功响应:
```json
{
"ok": true,
"data": {
"fontId": "其他字体/AlimamaDaoLiTi",
"fontName": "AlimamaDaoLiTi",
"width": 956.2,
"height": 144.3,
"svg": "<?xml ...>"
}
}
```
## 3. Nginx 反向代理
`fonts.biboer.cn` 的 server 块中增加:
```nginx
location /api/ {
proxy_pass http://127.0.0.1:9300;
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_connect_timeout 5s;
proxy_send_timeout 60s;
proxy_read_timeout 60s;
}
```
然后执行:
```bash
sudo nginx -t && sudo systemctl reload nginx
```
## 4. 约束
- 字体解析完全基于 `fonts.json``fontId` 必须存在。
- 服务端启用 CORS允许小程序访问。
- 不依赖 Flask/FastAPI使用 Python 标准库 HTTP 服务。