文件存储

getUploadMetaData

1. API 描述

功能：获取文件上传属性

2. 请求地址

POST https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:getUploadMetaData

3. 请求体

字段	类型	必填	说明
path	String	是	指定的云端文件路径

4. 响应体

字段	类型	必填	说明
statusCode	Number	是	状态码，200
body	Object	是	响应体，结构如下

body

字段	类型	必填	说明
requestId	String	否	请求 ID
data	Object	否	返回结果
code	String	否	错误码
message	String	否	错误信息

data

字段	类型	必填	说明
url	String	是	上传 url
token	String	是	token 字段，上传请求用
authorization	String	是	authorization 字段，上传请求用
fileID	String	是	文件 ID
cosFileID	String	是	cos 文件 ID

5. 使用示例

// Node 示例
const axios = require("axios"); // 请求库，需npm 安装依赖
const FormData = require('form-data'); // 表单库，用于构造HTTP请求的表单数据
const envId = "<envId>"; // 环境ID
const cloudPath = "<cloudPath>" // 云端路径

const fs = require('fs')
const fileStream = fs.createReadStream('<localFile>') // 本地文件

axios({
  url: `https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:getUploadMetaData`,
  method: "POST",
  headers: {
    "X-CloudBase-Authorization": "your authorization",
    "X-CloudBase-SessionToken": "your token",
    "X-CloudBase-TimeStamp": "the timestamp",
  },
  data: {
    path: cloudPath,
  },
}).then(response => {
  // 获取到元数据后，使用元数据内的信息，上传文件到云存储
  const { authorization, token, cosFileID, url } = response.data.data;
  const form = new FormData();
  form.append("Signature", authorization);
  form.append("x-cos-security-token", token);
  form.append("x-cos-meta-fileid", cosFileID);
  form.append("key", cloudPath);
  form.append("file", fileStream);
  return axios.post(url, form, { headers: form.getHeaders() });
});

batchGetTempUrls

1. API 描述

功能：获取文件下载链接

2. 请求地址

POST https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:batchGetTempUrls

3. 请求体

字段	类型	必填	说明
fileList	Array<FileItem>	是	文件信息数组

FileItem

字段	类型	必填	说明
fileID	String	是	文件 ID
maxAge	Number	否	文件链接有效期

4. 响应体

字段	类型	必填	说明
statusCode	Number	是	状态码，200
body	Object	是	响应体，结构如下

body

字段	类型	必填	说明
requestId	String	否	请求 ID
data	Object	否	返回结果
code	String	否	错误码
message	String	否	错误信息

data

字段	类型	必填	说明
fileList	Array<DownloadFileItem>	是	文件下载信息列表

DownloadFileItem

字段	类型	必填	说明
fileID	String	是	下载的文件 ID
code	String	是	SUCCESS 表示成功
tempFileURL	String	是	文件下载链接

5. 使用示例

// Node 示例
const request = require("request"); // 请求库，需npm 安装依赖
const envId = "testEnv"; // 环境ID
const { parseString } = require("xml2js"); // 解析 xml 文件 到 json 文件库， 需npm安装依赖

async function parseXML(str) {
  return new Promise((resolve, reject) => {
    parseString(str, (err, result) => {
      if (err) {
        reject(err);
      } else {
        resolve(result);
      }
    });
  });
}

async function test() {
  // 1. 上传文件
  const fileContent = fs.createReadStream(
    path.resolve(__dirname, "./my-photo.png")
  ); // 获取本地的文件内容
  const cloudPath = "cloud-my-photo.png"; // 定义的云端文件路径
  const getUploadMetaDataPath = `/envs/${envId}/storages:getUploadMetaData`;

  const getUploadMetaDataRes = await new Promise((resolve, reject) => {
    request(
      {
        url: `https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:getUploadMetaData`,
        method: "POST",
        headers: {
          "X-CloudBase-Authorization": "your authorization",
          "X-CloudBase-SessionToken": "your token",
          "X-CloudBase-TimeStamp": "the timestamp",
        },
        body: {
          data: {
            path: cloudPath,
          },
        },
        json: true,
      },
      (err, response, body) => {
        console.log(err);
        console.log(response.statusCode);
        console.log(response.body.data);
        resolve(response.body);
      }
    );
  });

  console.log("getUploadMetaDataRes:", getUploadMetaDataRes);

  const {
    data: { url, token, authorization, fileID, cosFileID },
  } = getUploadMetaDataRes;

  const formData = {
    Signature: authorization,
    "x-cos-security-token": token,
    "x-cos-meta-fileid": cosFileID,
    key: cloudPath,
    file: fileContent,
  };

  let body: any = await new Promise((resolve, reject) => {
    request(
      { url, formData: formData, method: "post" },
      function (err, res, body) {
        if (err) {
          reject(err);
        } else {
          resolve(body);
        }
      }
    );
  });

  body = await parseXML(body);

  if (body && body.Error) {
    throw body.Error;
  }

  // 2. 获取下载链接
  const batchGetDownloadUrlPath = await new Promise((resolve, reject) => {
    request(
      {
        url: `https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:batchGetTempUrls`,
        method: "POST",
        headers: {
          "X-CloudBase-Authorization": "your authorization",
          "X-CloudBase-SessionToken": "your token",
          "X-CloudBase-TimeStamp": "the timestamp",
        },
        body: {
          data: {
            fileList: [{ fileID: fileID }],
          },
        },
        json: true,
      },
      (err, response, body) => {
        console.log(err);
        console.log(response.statusCode);
        console.log(response.body.data);
        resolve(response.body);
      }
    );
  });

  console.log("batchGetDownloadUrlRes", batchGetDownloadUrlRes.data);
}

test();

batchDelete

1. API 描述

功能：批量删除文件

2. 请求地址

POST https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:batchDelete

3. 请求体

字段	类型	必填	说明
fileList	Array<String>	是	文件 ID 数组

4. 响应体

字段	类型	必填	说明
statusCode	Number	是	状态码，200
body	Object	是	响应体，结构如下

body

字段	类型	必填	说明
requestId	String	否	请求 ID
data	Object	否	返回结果
code	String	否	错误码
message	String	否	错误信息

data

字段	类型	必填	说明
fileList	Array<DeleteFileItem>	是	删除文件信息列表

DeleteFileItem

字段	类型	必填	说明
fileID	String	是	删除的文件 ID
code	String	是	SUCCESS 表示成功

5. 使用示例

// Node 示例
const request = require("request"); // 请求库，需npm 安装依赖
const envId = "testEnv"; // 环境ID
const { parseString } = require("xml2js"); // 解析 xml 文件 到 json 文件库， 需npm安装依赖

async function parseXML(str) {
  return new Promise((resolve, reject) => {
    parseString(str, (err, result) => {
      if (err) {
        reject(err);
      } else {
        resolve(result);
      }
    });
  });
}

async function test() {
  // 1. 上传文件
  const fileContent = fs.createReadStream(
    path.resolve(__dirname, "./my-photo.png")
  ); // 获取本地的文件内容
  const cloudPath = "cloud-my-photo.png"; // 定义的云端文件路径
  const getUploadMetaDataPath = `/envs/${envId}/storages:getUploadMetaData`;

  const getUploadMetaDataRes = await new Promise((resolve, reject) => {
    request(
      {
        url: `https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:getUploadMetaData`,
        method: "POST",
        headers: {
          "X-CloudBase-Authorization": "your authorization",
          "X-CloudBase-SessionToken": "your token",
          "X-CloudBase-TimeStamp": "the timestamp",
        },
        body: {
          data: {
            path: cloudPath,
          },
        },
        json: true,
      },
      (err, response, body) => {
        console.log(err);
        console.log(response.statusCode);
        console.log(response.body.data);
        resolve(response.body);
      }
    );
  });

  console.log("getUploadMetaDataRes:", getUploadMetaDataRes);

  const {
    data: { url, token, authorization, fileID, cosFileID },
  } = getUploadMetaDataRes;

  const formData = {
    Signature: authorization,
    "x-cos-security-token": token,
    "x-cos-meta-fileid": cosFileID,
    key: cloudPath,
    file: fileContent,
  };

  let body: any = await new Promise((resolve, reject) => {
    request(
      { url, formData: formData, method: "post" },
      function (err, res, body) {
        if (err) {
          reject(err);
        } else {
          resolve(body);
        }
      }
    );
  });

  body = await parseXML(body);

  if (body && body.Error) {
    throw body.Error;
  }

  // 2. 获取下载链接
  const batchGetDownloadUrlPath = await new Promise((resolve, reject) => {
    request(
      {
        url: `https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:batchGetTempUrls`,
        method: "POST",
        headers: {
          "X-CloudBase-Authorization": "your authorization",
          "X-CloudBase-SessionToken": "your token",
          "X-CloudBase-TimeStamp": "the timestamp",
        },
        body: {
          data: {
            fileList: [{ fileID: fileID }],
          },
        },
        json: true,
      },
      (err, response, body) => {
        console.log(err);
        console.log(response.statusCode);
        console.log(response.body.data);
        resolve(response.body);
      }
    );
  });

  console.log("batchGetDownloadUrlRes", batchGetDownloadUrlRes.data);

  // 3. 删除文件
  const batchDeleteRes = await new Promise((resolve, reject) => {
    request(
      {
        url: `https://tcb-api.tencentcloudapi.com/api/v2/envs/${envId}/storages:batchDelete`,
        method: "POST",
        headers: {
          "X-CloudBase-Authorization": "your authorization",
          "X-CloudBase-SessionToken": "your token",
          "X-CloudBase-TimeStamp": "the timestamp",
        },
        body: {
          data: {
            fileList: [fileID],
          },
        },
        json: true,
      },
      (err, response, body) => {
        console.log(err);
        console.log(response.statusCode);
        console.log(response.body.data);
        resolve(response.body);
      }
    );
  });

  console.log("batchDeleteRes", batchDeleteRes.data);
}

test();