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learning-system-portal/src/components/NoteUpload/index.vue
2022-10-20 17:57:12 +08:00

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<template>
<div class="upload-file">
<!-- <el-upload
:action="uploadFileUrl"
:before-upload="handleBeforeUpload"
:file-list="fileList"
:limit="limit"
:multiple="limit>1"
:on-error="handleUploadError"
:on-exceed="handleExceed"
:on-success="handleUploadSuccess"
:show-file-list="showList"
:data="data"
:headers="headers"
class="upload-file-uploader"
ref="upload"
>
<el-button :icon="loading ? 'el-icon-upload2':''" :size="size" type="primary" :loading="isLoading">{{text}}</el-button>
<div class="el-upload__tip" slot="tip" v-if="showTip">
请上传
<template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
<template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
的文件
</div>
</el-upload> -->
<el-upload
ref="myUpload"
class="upload-demo"
drag
:multiple="limit>1"
:action="uploadFileUrl"
:before-upload="handleBeforeUpload"
:on-success="handleUploadSuccess"
:show-file-list="showList"
:on-error="handleUploadError"
:on-exceed="handleExceed"
:on-remove="handleUploadRemove"
:data="data"
:headers="headers"
:limit="limit">
<svg-icon style="font-size:52px;margin-right:5px;margin-top:20px" icon-class="up-char"></svg-icon>
<div class="el-upload__text">将文件拖到此处<em>点击上传</em></div>
<div class="el-upload__tip" slot="tip">支持拓展名支持扩展名<span v-for="ty in fileType">{{ty}} </span> <span v-if="limit > 1">图片支持批量上传最多9张</span></div>
</el-upload>
<!-- 文件列表 -->
<!-- <transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
<li :key="file.uid" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in list">
<el-link :href="file.url" :underline="false" target="_blank">
<span class="el-icon-document"> {{ getFileName(file.name) }} </span>
</el-link>
<div class="ele-upload-list__item-content-action">
<el-link :underline="false" @click="handleDelete(index)" type="danger">删除</el-link>
</div>
</li>
</transition-group> -->
</div>
</template>
<script>
import { getToken } from "@/utils/token";
export default {
props: {
// 值
value: [String, Object, Array],
showList: {
type: Boolean,
default: false
},
url:{
type: String,
default: '/xboe/sys/xuploader/file/upload'
},
limit:{
type:Number,
default:1
},
dir:{
type:String,
default:'files'
},
text:{
type:String,
default:'选择文件并上传'
},
size:{
type:String,
default:'small'
},
// 大小限制(MB)
fileSize: {
type: Number,
default: 1024,
},
// 文件类型, 例如['png', 'jpg', 'jpeg']
fileType: {
type: Array,
default: () => ["doc", "xls", "ppt","docx", "xlsx", "pptx","png","txt", "pdf","jpg","gif","bmp","mp4","mp3"],
},
// 是否显示提示
isShowTip: {
type: Boolean,
default: true
},
loading: {
type: Boolean,
default: false
},
isClear:{
type: Boolean,
default: false
}
},
data() {
return {
uploadFileUrl: process.env.VUE_APP_BASE_API + this.url, // 上传的图片服务器地址
headers: {
'XBOE-Access-Token': getToken(),
},
isLoading:false,
fileList: [],
data:{
dir:this.dir
}
};
},
watch: {
isClear(val) {
if(!val) {
this.clearFiles();
}
}
},
computed: {
// 是否显示提示
showTip() {
return this.isShowTip && (this.fileType || this.fileSize);
},
// 列表
list() {
let temp = 1;
if (this.value) {
// 首先将值转为数组
const list = Array.isArray(this.value) ? this.value : [this.value];
// 然后将数组转为对象数组
return list.map((item) => {
if (typeof item === "string") {
item = { name: item, url: item };
}
item.uid = item.uid || new Date().getTime() + temp++;
return item;
});
} else {
this.fileList = [];
return [];
}
},
},
methods: {
clearFiles() {
this.$refs["myUpload"].clearFiles();
},
handleUploadRemove(file) {
this.$emit("remove",file);
},
// 上传前校检格式和大小
handleBeforeUpload(file) {
// 校检文件类型
if (this.fileType) {
let fileExtension = "";
if (file.name.lastIndexOf(".") > -1) {
fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
}
const isTypeOk = this.fileType.some((type) => {
if (file.type.indexOf(type) > -1) return true;
if (fileExtension && fileExtension.indexOf(type) > -1) return true;
return false;
});
if (!isTypeOk) {
//this.$message.error(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
this.$message({message:`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`,type:'error',offset:100})
//this.$message.error(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
return false;
}
}
// 校检文件大小
if (this.fileSize) {
const isLt = file.size / 1024 / 1024 < this.fileSize;
if (!isLt) {
this.$message({message:`上传文件大小不能超过 ${this.fileSize} MB!`,type:'error',offset:100})
//this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`);
return false;
}
}
if(this.loading) {
this.isLoading = true;
}
return true;
},
// 文件个数超出
handleExceed(res) {
this.$message({message:`只允许上传单个文件`,type:'error',offset:100});
},
// 上传失败
handleUploadError(err) {
this.isLoading = false;
this.$message({message:"上传失败, 请重试",type:'error',offset:100});
},
// 上传成功回调
handleUploadSuccess(res, file) {
if(res.status == 200) {
this.fileList = [];
this.isLoading = false;
this.$message({message:"上传成功",type:'success',offset:100});
} else {
this.isLoading = false;
this.fileList = [];
this.$message({message:"上传失败",type:'error',offset:100});
}
this.$emit("success", res);
},
// 删除文件
handleDelete(index) {
this.fileList.splice(index, 1);
this.$emit("remove", '');
},
// 获取文件名称
getFileName(name) {
if (name.lastIndexOf("/") > -1) {
return name.slice(name.lastIndexOf("/") + 1).toLowerCase();
} else {
return "";
}
}
},
created() {
this.fileList = this.list;
},
};
</script>
<style scoped lang="scss">
.el-upload__tip{
margin-top: 10px;
text-align: center;
}
.upload-file-uploader {
margin-bottom: 5px;
}
.upload-file-list .el-upload-list__item {
border: 1px solid #e4e7ed;
line-height: 2;
margin-bottom: 10px;
position: relative;
}
.upload-file-list .ele-upload-list__item-content {
display: flex;
justify-content: space-between;
align-items: center;
color: inherit;
}
.ele-upload-list__item-content-action .el-link {
margin-right: 10px;
}
</style>