yinxing

[预览](https://upload-game-1252957949.ap-shanghai.tencentserverless.com) https://upload-game-1252957949.ap-shanghai.tencentserverless.com # 环境变量 ```yaml SecretId: AKIDlQ2Znxxxxxxxxxxxxxxxxxxxxxxxx SecretKey: aO7QfZxxxxxxxxxxxxxxxxxxxxxxxxx Bucket: ttt-1252957949 # Region: ap-hongkong # Prefix: music #根文件夹名 maxFileSize: "6291456" #文件大小限制 < 6m ``` # 安装云函数函数类型:http [快速入门](https://cloud.tencent.com/document/product/583/37278) 打包 ```bash cnpm i scf deploy -n upload --skip-event -f -r ap-shanghai -ns poem #这一步主要是为了传环境变量上去,失败了没有关系,网页刷新一下出了环境变量就行了 rm -rf .scf_build zip -r /tmp/1.zip * ``` 然后网页上传zip 传完以后检查一下环境变量有木有...这里坑爹没有就在函数配置页面手动输入一下.... # 接口 ## 上传文件 base: https://upload-game-1252957949.ap-shanghai.tencentserverless.com **** |actio|路径|方法|data| |--|--|--|--|-- |上传| /api/create |post|form |删除| /api/delete |post|"Key=upload/2.aac" |list| /api/list |get|空 **** 测试 ```bash npm insatll node index.js host=localhost:8080 ####修改环境变量 export SecretId=xxxx export SecretKey=***** export Bucket=ttt-1252957949 export Region=ap-hongkong export Prefix=music export COS_HOST=https://ttt-1252957949.cos.ap-hongkong.myqcloud.com ####修改环境变量 #模拟云函数环境 ##################### mkdir -p /var/user/${prefix} ##################### curl $host/list #列表 curl $host/create -F "file=@hongdou.mp3" #上传 curl $host/list curl $host/delete -d 'Key=music/hongdou.mp3' #删除 # 网页打开也可.. ``` ### 上传 ``` curl 'http://...../create' -H 'Content-Type: multipart/form-data; boundary=---------------------------12864488541456898568309584675' --data-binary $'-----------------------------12864488541456898568309584675\r\nContent-Disposition: form-data; name="file"; filename="2.aac"\r\nContent-Type: audio/aac\r\n\r\n-----------------------------12864488541456898568309584675--\r\n' ``` ```javascript upload=async (url="/create",file,)=>{ const formData = new FormData() formData.append('file', file) fetch(url,{ method :"POST", body: formData, // headers:{ "Content-Type": "multipart/form-data" } }).then(console.log) } test=async ()=>{ SERVER="http://localhost:8080/create" input=document.querySelector('#file1') var file=input.files[0]; r=await upload(SERVER,file) } ``` ### 上传成功 ``` { "data": { "Location": "ttt-1252957949.cos.ap-hongkong.myqcloud.com/upload/2.aac", "Bucket": "ttt-1252957949", "Key": "upload/2.aac", "ETag": "\"a09506f966fa0de768ef48ff3c15733b-4\"", "statusCode": 200, "headers": { "content-type": "application/xml", "transfer-encoding": "chunked", "connection": "keep-alive", "date": "Sun, 17 Nov 2019 09:01:02 GMT", "server": "tencent-cos", "x-cos-request-id": "NWRkMTBjNGVfZTFhNzM4MDlfMjJjM19kNGYyNmY=" } }, "message": "文件上传成功", "ok": true } ``` ### 上传失败 status code: 500 status text: Internal Server Error body: 空 ## list ```json { "Name": "ttt-1252957949", "Prefix": "music", "Marker": "", "MaxKeys": "1000", "IsTruncated": "false", "Contents": [ { "Key": "music/", "LastModified": "2019-07-29T12:47:25.000Z", "ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"", "Size": "0", "Owner": { "ID": "1252957949", "DisplayName": "1252957949" }, "StorageClass": "STANDARD" }, { "Key": "music/2.aac", "LastModified": "2019-11-17T03:49:56.000Z", "ETag": "\"34edf859f00409981b93cdf21ba419cd\"", "Size": "3291634", "Owner": { "ID": "1252957949", "DisplayName": "1252957949" }, "StorageClass": "STANDARD" } ], "CommonPrefixes": [], "statusCode": 200, "headers": { "content-type": "application/xml", "content-length": "1457", "connection": "keep-alive", "date": "Sun, 17 Nov 2019 09:47:19 GMT", "server": "tencent-cos", "x-cos-bucket-region": "ap-hongkong", "x-cos-request-id": "NWRkMTE3MjdfMjVhODM4MDlfYjQ5Ml9kODg0MTI=" } } ``` ## 删除文件删除不存在的文件视为删除成功 path : /delete body : "Key=music/2.aac" 成功 : ```json { "data": { "statusCode": 204, "headers": { "connection": "keep-alive", "date": "Sun, 17 Nov 2019 10:23:22 GMT", "server": "tencent-cos", "x-cos-request-id": "NWRkMTFmOWFfYTZhNzM4MDlfYWMwM19kNTFjNmE=" } }, "message": "", "ok": true } ``` 无key ``` { "data": {}, "message": "no key", "ok": false } ``` ```bash curl "localhost:8080/delete" -d 'Key=music/2.aac' ``` ## 调试 ctx.request ``` { method: 'POST', url: '/', header: { host: 'localhost:8080', 'user-agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0', accept: '*/*', 'accept-language': 'en-US,en;q=0.5', 'accept-encoding': 'gzip, deflate', referer: 'http://localhost/', 'content-type': 'multipart/form-data; boundary=---------------------------1551967995777521245943947853', origin: 'http://localhost', 'content-length': '27393', dnt: '1', connection: 'keep-alive', pragma: 'no-cache', 'cache-control': 'no-cache' } } ``` ctx.request.files["file"] ``` { _events: [Object: null prototype] {}, _eventsCount: 0, _maxListeners: undefined, size: 26302, path: '/tmp/upload_60f31a06bb80a7f62918857c8537ae17', name: '1.png', type: 'image/png', hash: null, lastModifiedDate: 2019-11-17T07:35:40.677Z, _writeStream: WriteStream { _writableState: WritableState { objectMode: false, highWaterMark: 16384, finalCalled: true, needDrain: true, ending: true, ended: true, finished: true, destroyed: true, decodeStrings: true, defaultEncoding: 'utf8', length: 0, writing: false, corked: 0, sync: false, bufferProcessing: false, onwrite: [Function: bound onwrite], writecb: null, writelen: 0, bufferedRequest: null, lastBufferedRequest: null, pendingcb: 0, prefinished: true, errorEmitted: false, emitClose: false, autoDestroy: false, errored: false, bufferedRequestCount: 0, corkedRequestsFree: [Object] }, writable: false, _events: [Object: null prototype] {}, _eventsCount: 0, _maxListeners: undefined, path: '/tmp/upload_60f31a06bb80a7f62918857c8537ae17', fd: null, flags: 'w', mode: 438, start: undefined, autoClose: true, pos: undefined, bytesWritten: 26302, closed: false } } */ ```