# 获取文件上传链接

[调试诊断](https://developers.weixin.qq.com/console/devtools/debug?utm_source=api_tools)

> 接口应在服务器端调用，不可在前端（小程序、网页、APP等）直接调用，具体可参考[接口调用指南](/doc/oplatform/developers/dev/guide.md)。

接口英文名：getUploadTcbFileLink

通过本接口可以获取文件上传链接。使用过程中如遇到问题，可在[开放平台服务商专区](https://developers.weixin.qq.com/community/minihome/mixflow/1355698687267438595)发帖交流。

## 1. 调用方式

### HTTPS 调用

```bash
POST https://api.weixin.qq.com/tcb/uploadfile?access_token=ACCESS_TOKEN
```

### 云调用

- 本接口不支持云调用。

### 第三方调用

- 本接口支持第三方平台代商家调用。

- 该接口所属的权限集 id 为：49

- 服务商获得其中之一权限集授权后，可通过使用 [authorizer_access_token](/doc/oplatform/developers/dev/AuthorizerAccessToken.md) 代商家进行调用，具体可查看 [第三方调用](/doc/oplatform/Third-party_Platforms/2.0/Before_Develop/call_interface.md) 说明文档。

## 2. 请求参数

### 查询参数 `Query String Parameters`

```json
[
  {
    "参数名": "access_token",
    "类型": "string",
    "必填": "是",
    "说明": "接口调用凭证，可使用 [access_token](/miniprogram/dev/server/API/mp-access-token/api_getaccesstoken.md)、[authorizer_access_token](/doc/oplatform/openApi/ticket-token/api_getauthorizeraccesstoken.md)"
  }
]
```

### 请求体 `Request Payload`

```json
[
  {
    "参数名": "env",
    "类型": "string",
    "必填": "是",
    "说明": "云环境ID"
  },
  {
    "参数名": "path",
    "类型": "string",
    "必填": "是",
    "说明": "上传路径"
  }
]
```

## 3. 返回参数

### 返回体 `Response Payload`

```json
[
  {
    "参数名": "errcode",
    "类型": "number",
    "说明": "错误码"
  },
  {
    "参数名": "errmsg",
    "类型": "string",
    "说明": "错误信息"
  },
  {
    "参数名": "url",
    "类型": "string",
    "说明": "上传url"
  },
  {
    "参数名": "token",
    "类型": "string",
    "说明": "token"
  },
  {
    "参数名": "authorization",
    "类型": "string",
    "说明": "authorization"
  },
  {
    "参数名": "file_id",
    "类型": "string",
    "说明": "文件ID"
  },
  {
    "参数名": "cos_file_id",
    "类型": "string",
    "说明": "cos文件ID"
  }
]
```

## 4. 注意事项

本接口无特殊注意事项

## 5. 代码示例

请求示例

```json
{
  "env": "test2-4a89da",
  "path": "this/is/a/example/file.path"
}
```

返回示例

```json
{
  "errcode": 0,
  "errmsg": "ok",
  "url": "https://cos.ap-shanghai.myqcloud.com/7465-test2-4a89da-1258717764/testupload",
  "token": "Cukha70zkXIBqkh1OhUIFqjUmXLXeSWq7dff61099221bb270522b8e0cf21d72e0aWCfGXEIDT5bKVJgykFFr9_MeQ-ExrsZ8oiFdMwyYag8h0r-EJq_EaO94KzksxH6bAeb4Y7SwZjJqoy_4g1Na797F1IEG9Dnstm_rz02AgaP5HbJwt1P-XHT4Xjw_lafla079gtQKAP-EPbE5Tc8BRXIm32esjGDDDuDyml7IJqbsPolYZ4-CHQsisdx488loGAN4f7YRMkrrP1Pgi5XOm0-iG5HbWd3tHtuE2pzsGkTobO_fyz2PfSPaeUt_735ll38yIWpAFESAsZnBj2DcRSPBT2FJ_s5mOZACS53q6-tWXPO0AR3-EhOCQpiDKsldVsCxz00Uwhgm1T6Ozw777fJEFkUIngUdZ5yajy3LA84Mpfu6CLkFjfiBtz3wpmcCQxhijo_CrVHkmaMc2JBQ",
  "authorization": "q-sign-algorithm=sha1&q-ak=AKID98EDB528Sfqerp0Z_7l23we-u4Avrx04te9VvlzGihMTseysMgu7iSdh_hxEnoAy&q-sign-time=1557307130;1557308030&q-key-time=1557307130;1557308030&q-header-list=&q-url-param-list=&q-signature=ac95227b67a04157bb5e49b435c6ac3ce88e03f2",
  "file_id": "cloud://test2-4a89da.7465-test2-4a89da-1258717764/testupload",
  "cos_file_id": "HDze32/qZENCwWi5N5akgoXSv3U8DsccKaqCxTMGs0zFgvlD28j484/VYFPJ1l2QDh0Qy8wNbQCpxs5zEsLJln1lIY9RGYn1LzRQQQYFQm+Xwvw6S4YEZN1AIwY906mwIBgiI3gKGkU2K1+1ZEnEYEM4Uh/C1JxB4Q=="
}
```

## 6. 错误码

以下是本接口的错误码列表，其他错误码可参考 [通用错误码](/doc/oplatform/developers/errCode/README.md)；调用接口遇到报错，可使用官方提供的 [API 诊断工具](https://developers.weixin.qq.com/console/devtools/debug?utm_source=api_errcode) 辅助定位和分析问题。

```json
[
  {
    "错误码": "-1000",
    "错误描述": "system error",
    "解决方案": "系统错误"
  },
  {
    "错误码": "-1",
    "错误描述": "system error",
    "解决方案": "系统繁忙，此时请开发者稍候再试"
  },
  {
    "错误码": "0",
    "错误描述": "ok",
    "解决方案": "ok"
  },
  {
    "错误码": "40001",
    "错误描述": "invalid credential  access_token isinvalid or not latest",
    "解决方案": "获取 access_token 时 AppSecret 错误，或者 access_token 无效。请开发者认真比对 AppSecret 的正确性，或查看是否正在为恰当的公众号调用接口"
  },
  {
    "错误码": "40014",
    "错误描述": "invalid access_token",
    "解决方案": "不合法的 access_token ，请开发者认真比对 access_token 的有效性（如是否过期），或查看是否正在为恰当的公众号调用接口"
  },
  {
    "错误码": "40097",
    "错误描述": "invalid args",
    "解决方案": "参数错误"
  },
  {
    "错误码": "40101",
    "错误描述": "missing parameter",
    "解决方案": "缺少必填参数"
  },
  {
    "错误码": "41001",
    "错误描述": "access_token missing",
    "解决方案": "缺少 access_token 参数"
  },
  {
    "错误码": "43002",
    "错误描述": "require POST method",
    "解决方案": "需要 POST 请求"
  },
  {
    "错误码": "44002",
    "错误描述": "empty post data",
    "解决方案": "POST 的数据包为空"
  },
  {
    "错误码": "47001",
    "错误描述": "data format error",
    "解决方案": "解析 JSON/XML 内容错误;post 数据中参数缺失;检查修正后重试。"
  },
  {
    "错误码": "85088",
    "错误描述": "no qbase privilege",
    "解决方案": "该APP未开通云开发"
  }
]
```

## 7. 适用范围

本接口支持「第三方平台」账号类型代调用，权限集请参考「调用方式」部分。其他账号类型如无特殊说明，均不可调用。