网站模板紫色,网站建设定制设计,营销型网站易网拓,自助建站视频网站前言#xff1a;基于天翼云的面相对象存储(Object-Oriented Storage#xff0c;OOS),实现小文件的直接上传#xff0c;大文件的分片上传。
开发文档地址#xff1a;网址 上传之前的相关操作#xff1a;注册账户#xff0c;创建 AccessKeyId 和 AccessSecretKey之后…前言基于天翼云的面相对象存储(Object-Oriented StorageOOS),实现小文件的直接上传大文件的分片上传。
开发文档地址网址 上传之前的相关操作注册账户创建 AccessKeyId 和 AccessSecretKey之后新建一个桶bucket做cors相关配置将暴露的 Headers:设置成: ETag然后在public文件夹下面的index.html引入相关sdk文件这里引入的是oos-sdk-6.0.min.js文档的oos-js-sdk-6.2.zip解压包内部包含了这个文件以及相关的实现demo案例 一、直接上传如图片小型文件 使用的是putObject方法下面是个uploadFile.vue组件
templatedivel-uploadaction#:before-uploadbeforeAvatarUpload:list-typeshowType:on-previewhandlePictureCardPreview:on-removehandleRemove:limit1refuploadPic:file-listfileList!-- 预留的插槽 --slot nameuploadIcon/slot/el-uploadel-dialog :visible.syncdialogVisibleimg width100% :srcdialogImageUrl alt/el-dialog/div
/templatescript
export default {name: upLoadFile,props: {fileList: {type: Array,default: () {return []},},// 文件上传的时候的初始样式showType: {type: String,default: picture-card},},data() {return {dialogVisible: false,clickTime: null,Bucket: null,dialogImageUrl: ,}},methods: {// 直接上传beforeAvatarUpload(file) {let that thisreturn new Promise((resolve, reject) {that.clickTime that.$moment().format(YYYYMMDD)// 这里创建client对象的配置项目说明 文档的options 配置项有详细解释var client new OOS.S3({accessKeyId: 前面创建的accessKeyId, // 通过天翼云控制台创建的 access keysecretAccessKey: 前面创建的secretAccessKey, // 通过天翼云控制台创建的 secret access key;endpoint: 域名, // OOS 域名signatureVersion: v4, // 可选v2 或v4apiVersion: 2006-03-01,s3ForcePathStyle: true});that.Bucket 桶的名称const key that.clickTime / file.name // toUpload(that.Bucket, file, key)function toUpload(bucket, file, key) {var params {Bucket: bucket,Body: file, // file内容Key: key,// 文件名称};client.putObject(params, function (err, data) {if (err) {} else {console.log(上传成功);// 上传成功之后是没有返回值的// 访问的上传成功的图片路径的规则 你的域名/桶的名称/key (key就是前面拼接的文件名称)}})}})},// 图片展示handlePictureCardPreview(file) {this.dialogImageUrl file.url;// 图片预览的urlthis.dialogVisible true;},// 图片移除handleRemove(file) {this.$emit(getImg, [], this.type, 0, )},}
}
/scriptstyle scoped langless/* 图片封面大小*//deep/ .el-upload-list--picture-card .el-upload-list__item-thumbnail,/deep/ .el-upload-list--picture-card .el-upload-list__item,/deep/ .el-upload--picture-card{height: 60px;width: 60px;line-height: 60px;}/deep/ .el-upload-list__item.is-success .el-upload-list__item-status-label{display: none !important;}/deep/ .el-upload-list--picture{display: none;}
/style引用组件的地方 uploadFile :fileListfileListOnei classel-icon-plus slotuploadIcon/i
/uploadFile 效果如图
二、切片上传大型文件
使用的是以下四个方法 子组件uploadFile.vue
!-- 大型文件切片上传 --
templatedivel-uploadaction#:before-uploadbeforeAvatarUpload:list-typeshowType:on-previewhandlePictureCardPreview:on-removehandleRemove:limit1refuploadPic:file-listfileListslot nameuploadIcon/slot!-- i classel-icon-plus/i --!-- Button iconmd-cloud-upload上传文件/Button --/el-uploadel-dialog :visible.syncdialogVisibleimg width100% :srcdialogImageUrl alt/el-dialog/div
/templatescript
export default {name: upLoadFile,watch: {moveFileFlag(newVal, oldVal) {console.log(newVal, newVal)if (newVal) {this.handleRemove()}}},props: {fileList: {type: Array,default: () {return []},},// 文件上传的时候的初始样式showType: {type: String,default: picture-card},// 移除文件moveFileFlag: {type: Boolean,default: false,},disabled: {type: Boolean,default: false,},// 一个页面使用了多次组件的区分type: {type: String,default: }},data() {return {dialogVisible: false,clickTime: null,initialId: ,// 分片上传需要的 initial// 分片上传 complete 所需参数MultipartUpload: {Parts: []},chunk: 10485760, // 10Mindex: 0,Bucket: null,dialogImageUrl: ,fileSize: 0,packageVersionName: ,}},methods: {// // 图片上传前beforeAvatarUpload(file) {console.log(file:, file);this.fileSize Number(file.size / 1024 / 1024).toFixed(2) // 计算文件的大小mblet that thisreturn new Promise((resolve, reject) {that.clickTime that.$moment().format(YYYYMMDD)var client new OOS.S3({accessKeyId: that.$util.accessKeyId,secretAccessKey: that.$util.secretAccessKey,endpoint: that.$util.endPoint,signatureVersion: v4, // 可选v2 或v4apiVersion: 2006-03-01,s3ForcePathStyle: true});that.Bucket that.$util.BucketName// 上传async function putUPload() {try {const key that.clickTime / file.name// let [name, ext] key.split(.);let lastIndex key.lastIndexOf(.)let name key.substring(0, lastIndex)let ext key.substring(lastIndex 1,)that.packageVersionName name.split(/)[1]//每次的起始位置let start that.chunk * that.index;if (start file.size) { //分片上传完成文件合成mergeUpload(key, that.Bucket)return}// //每次分片的大小let bold file.slice(start, start that.chunk);//得到文件名称,index的目的是分片不重复let boldName ${name}${that.index}.${ext};console.log(boldName:, boldName);//需要在转换为文件对象let boldFile new File([bold], boldName)let PartNumber that.index 1;if (that.index 0) {//第一次需要获取uploadIdgetUploadId(boldFile, PartNumber, key, that.Bucket)} else {// 分片上传getUploadPart(boldFile, PartNumber, key, that.Bucket)}} catch (e) {console.log(错误了吗)// 捕获超时异常。}}putUPload();//本接口初始化一个分片上传Multipart Upload操作并返回一个上传 ID// 此 ID用来将此次分片上传操作中上传的所有片段合并成一个对象。用function getUploadId(file, PartNumber, largeName, BucketName) {var params {Bucket: BucketName,Key: largeName,// 文件名称};client.createMultipartUpload(params, function (err, data) {if (err) {console.log(err, err.stack); // an error occurredw} else { // successful response//拿到分片上传需要的id后开始分片上传操作that.initialId data.UploadId;getUploadPart(file, PartNumber, largeName, that.Bucket)}});}// 该接口用于实现分片上传操作中片段的上传function getUploadPart(file, PartNumber, largeName, BucketName) {var params {Body: file,Bucket: BucketName,Key: largeName,// 文件名称PartNumber: PartNumber,UploadId: that.initialId,// 分片需要的uploadId};console.log(params:, params);client.uploadPart(params, function (err, data) {if (err) {console.log(err, err.stack);} else {// an error occurredconsole.log(ETag, data);// 存储分片数据that.MultipartUpload.Parts.push({ PartNumber: PartNumber, ETag: data.ETag })that.indexputUPload()};});}//该接口通过合并之前的上传片段来完成一次分片上传过程。function mergeUpload(largeName, BucketName) {var params {Bucket: BucketName,Key: largeName,// 文件名称UploadId: that.initialId,// 分片需要的uploadIdMultipartUpload: that.MultipartUpload,// 之前所有分片的集合};client.completeMultipartUpload(params, function (err, data) {if (err) {that.index 0;that.initialId ;// 分片需要传的值that.MultipartUpload.Parts [];//分片集合that.$forceUpdate();} else {console.log(上传成功的数据, data);that.$emit(getImg, [{ name: data.Key, url: data.Location }], that.type, that.fileSize, that.packageVersionName)that.$forceUpdate();}});}})},// 图片展示handlePictureCardPreview(file) {this.dialogImageUrl file.url;// 图片预览的urlthis.dialogVisible true;},// 图片移除handleRemove(file) {this.index 0;this.initialId ;this.MultipartUpload.Parts [];this.$emit(getImg, [], this.type, 0, )},}
}
/scriptstyle scoped langless/* 图片封面大小*//deep/ .el-upload-list--picture-card .el-upload-list__item-thumbnail,/deep/ .el-upload-list--picture-card .el-upload-list__item,/deep/ .el-upload--picture-card{height: 60px;width: 60px;line-height: 60px;}/deep/ .el-upload-list__item.is-success .el-upload-list__item-status-label{display: none !important;}/deep/ .el-upload-list--picture{display: none;}
/style父组件
templatediv!-- 组件一 --uploadFile :fileListfileListOne type addIcon getImggetFilei classel-icon-plus slotuploadIcon/i/uploadFile!-- 组件二 --uploadFile :fileListfileListTwo typeappUpload showTypepicture :moveFileFlagmoveFileFlag getImggetFileButton slotuploadIcon iconmd-cloud-upload上传文件/Button/uploadFile /div
/templatescript
import uploadFile from /views/component/uploadFile/uploadFile.vue;
export default {components: {uploadFile},data() {return {fileListOne: [],fileListTwo: [],moveFileFlag: false}},methods: {getFile(val, type, size, packageVersionName) {console.log(val, val); // val内部就包含了子组件传递过来的文件的下载地址// 逻辑处理数据回现if (type addIcon) { // 添加图标} else if (type appUpload) { // 应用上传}},}
}
/scriptstyle/style最终效果如下注内部细节实现添加了具体功能代码
