dl_uniapp/utils/cos.js
2025-04-25 13:01:19 +08:00

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import config from '@/config'
const COS = require('./cos-wx-sdk-v5.js'); // 开发时使用
// const COS = require('./lib/cos-wx-sdk-v5.min.js'); // 上线时使用压缩包
const baseUrl = config.baseUrl
const cos = new COS({
SimpleUploadMethod: 'putObject', // 强烈建议高级上传、批量上传内部对小文件做简单上传时使用putObject,sdk版本至少需要v1.3.0
getAuthorization: function(options, callback) {
// 初始化时不会调用,只有调用 cos 方法(例如 cos.putObject时才会进入
// 异步获取临时密钥
// 服务端 JS 示例https://github.com/tencentyun/cos-js-sdk-v5/blob/master/server/
// 服务端其他语言参考 COS STS SDK https://github.com/tencentyun/qcloud-cos-sts-sdk
// STS 详细文档指引看https://cloud.tencent.com/document/product/436/14048
const stsUrl = baseUrl + '/cos/sts'; // stsUrl 替换成您自己的后端服务
wx.request({
url: stsUrl,
data: {
bucket: options.Bucket,
region: options.Region,
},
dataType: 'json',
success: function(result) {
const data = result.data;
const credentials = data && data.credentials;
if (!data || !credentials) return console.error('credentials invalid');
// 检查 credentials 格式
console.log(credentials);
callback({
TmpSecretId: credentials.tmpSecretId,
TmpSecretKey: credentials.tmpSecretKey,
// v1.2.0之前版本的 SDK 使用 XCosSecurityToken 而不是 SecurityToken
SecurityToken: credentials.sessionToken,
// 建议返回服务器时间作为签名的开始时间,避免用户浏览器本地时间偏差过大导致签名错误
StartTime: data.startTime, // 时间戳单位秒1580000000
ExpiredTime: data.expiredTime, // 时间戳单位秒1580000900
});
}
});
}
});
export default cos;