You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.5 KiB
83 lines
2.5 KiB
2 months ago
|
const env = require('./config.js'); //配置文件，在这文件里配置你的OSS keyId和KeySecret,timeout:87600;
|
||
|
|
|
||
|
|
const base64 = require('./base64.js');//Base64,hmac,sha1,crypto相关算法
|
||
|
|
require('./hmac.js');
|
||
|
|
require('./sha1.js');
|
||
|
|
const Crypto = require('./crypto.js');
|
||
|
|
|
||
|
|
/*
|
||
|
|
*上传文件到阿里云oss
|
||
|
|
*@param - filePath :图片的本地资源路径
|
||
|
|
*@param - dir:表示要传到哪个目录下
|
||
|
|
*@param - successc:成功回调
|
||
|
|
*@param - failc:失败回调
|
||
|
|
*/
|
||
|
|
const uploadFile = function (filePath, dir, successc, failc) {
|
||
|
|
if (!filePath || filePath.length < 9) {
|
||
|
|
uni.showModal({
|
||
|
|
title: '图片错误',
|
||
|
|
content: '请重试',
|
||
|
|
showCancel: false,
|
||
|
|
})
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//图片名字 可以自行定义， 这里是采用当前的时间戳 + 150内的随机数来给图片命名的
|
||
|
|
const aliyunFileKey = dir + new Date().getTime() + Math.floor(Math.random() * 150) + '.png';
|
||
|
|
|
||
|
|
const aliyunServerURL = env.uploadImageUrl;//OSS地址，需要https
|
||
|
|
const accessid = env.OSSAccessKeyId;
|
||
|
|
const policyBase64 = getPolicyBase64();
|
||
|
|
const signature = getSignature(policyBase64);//获取签名
|
||
|
|
|
||
|
|
uni.uploadFile({
|
||
|
|
url: aliyunServerURL,//开发者服务器 url
|
||
|
|
filePath: filePath,//要上传文件资源的路径
|
||
|
|
name: 'file',//必须填file
|
||
|
|
formData: {
|
||
|
|
'key': aliyunFileKey,
|
||
|
|
'policy': policyBase64,
|
||
|
|
'OSSAccessKeyId': accessid,
|
||
|
|
'signature': signature,
|
||
|
|
'success_action_status': '200',
|
||
|
|
},
|
||
|
|
success: function (res) {
|
||
|
|
if (res.statusCode != 200) {
|
||
|
|
failc(new Error('上传错误:' + JSON.stringify(res)))
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
successc(aliyunServerURL+aliyunFileKey);
|
||
|
|
},
|
||
|
|
fail: function (err) {
|
||
|
|
err.wxaddinfo = aliyunServerURL;
|
||
|
|
failc(err);
|
||
|
|
},
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
const getPolicyBase64 = function () {
|
||
|
|
let date = new Date();
|
||
|
|
date.setHours(date.getHours() + env.timeout);
|
||
|
|
let srcT = date.toISOString();
|
||
|
|
const policyText = {
|
||
|
|
"expiration": srcT, //设置该Policy的失效时间，超过这个失效时间之后，就没有办法通过这个policy上传文件了
|
||
|
|
"conditions": [
|
||
|
|
["content-length-range", 0, 5 * 1024 * 1024] // 设置上传文件的大小限制,5mb
|
||
|
|
]
|
||
|
|
};
|
||
|
|
|
||
|
|
const policyBase64 = base64.encode(JSON.stringify(policyText));
|
||
|
|
return policyBase64;
|
||
|
|
}
|
||
|
|
|
||
|
|
const getSignature = function (policyBase64) {
|
||
|
|
const accesskey = env.AccessKeySecret;
|
||
|
|
|
||
|
|
const bytes = Crypto.HMAC(Crypto.SHA1, policyBase64, accesskey, {
|
||
|
|
asBytes: true
|
||
|
|
});
|
||
|
|
const signature = Crypto.util.bytesToBase64(bytes);
|
||
|
|
return signature;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = uploadFile;
|