# API 调用说明

- 基础地址：`https://ocr.hcshai.com`
- 接口：`POST /ocr`
- 请求方式：`multipart/form-data`
- 请求参数：
  - `image`：必填，图片文件，支持 `png,jpg,jpeg,gif,bmp`

## 响应示例

```
{
  "results": [
    {
      "text": "示例文本",
      "confidence": 0.98,
      "position": { "points": [[x1,y1],[x2,y2],[x3,y3],[x4,y4]] }
    }
  ],
  "code": 200
}
```

## 错误响应

```
{ "error": "No file provided" }
{ "error": "File type not allowed" }
{ "error": "No results found", "code": 404 }
```

## Curl 示例

```
# 使用请求头传入令牌（仅支持 Bearer 格式）
curl -H "Authorization: Bearer <your_token>" -X POST -F "image=@images/a.jpg" https://ocr.hcshai.com/ocr
```

## Python 示例

```python
import requests

url = "https://ocr.hcshai.com/ocr"
token = "<your_token>"
headers = {"Authorization": f"Bearer {token}"}

with open("images/a.jpg", 'rb') as f:
    files = {'image': f}
    resp = requests.post(url, files=files, headers=headers)
print(resp.json())

## Go 示例

```go
package main

import (
    "bytes"
    "fmt"
    "io"
    "mime/multipart"
    "net/http"
    "os"
)

func main() {
    filePath := "images/a.jpg"
    token := "<your_token>"
    url := "https://ocr.hcshai.com/ocr"

    file, err := os.Open(filePath)
    if err != nil {
        panic(err)
    }
    defer file.Close()

    body := &bytes.Buffer{}
    writer := multipart.NewWriter(body)
    part, err := writer.CreateFormFile("image", "a.jpg")
    if err != nil {
        panic(err)
    }
    if _, err := io.Copy(part, file); err != nil {
        panic(err)
    }
    writer.Close()

    req, err := http.NewRequest("POST", url, body)
    if err != nil {
        panic(err)
    }
    req.Header.Set("Content-Type", writer.FormDataContentType())
    req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))

    resp, err := http.DefaultClient.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    fmt.Println("Status:", resp.Status)
}
```
```