dbsd_kczx_java/ant-design-vue-jeecg/src/components/jeecg/JImageUpload.vue

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<template>
<div class="img">
<a-upload
name="file"
listType="picture-card"
:multiple="isMultiple"
:action="uploadAction"
:headers="headers"
:data="{biz:bizPath}"
:fileList="fileList"
:beforeUpload="beforeUpload"
:disabled="disabled"
:isMultiple="isMultiple"
@change="handleChange"
@preview="handlePreview"
:class="[!isMultiple?'imgupload':'', (!isMultiple && picUrl)?'image-upload-single-over':'' ]">
<div>
<!--<img v-if="!isMultiple && picUrl" :src="getAvatarView()" style="width:100%;height:100%"/>-->
<div class="iconp">
<a-icon :type="uploadLoading ? 'loading' : 'plus'" />
<div class="ant-upload-text">{{ text }}</div>
</div>
</div>
<a-modal :visible="previewVisible" :footer="null" @cancel="handleCancel()">
<img alt="example" style="width: 100%" :src="previewImage"/>
</a-modal>
</a-upload>
</div>
</template>
<script>
import Vue from 'vue'
import { ACCESS_TOKEN } from "@/store/mutation-types"
import { getFileAccessHttpUrl } from '@/api/manage'
const uidGenerator=()=>{
return '-'+parseInt(Math.random()*10000+1,10);
}
const getFileName=(path)=>{
if(path.lastIndexOf("\\")>=0){
let reg=new RegExp("\\\\","g");
path = path.replace(reg,"/");
}
return path.substring(path.lastIndexOf("/")+1);
}
export default {
name: 'JImageUpload',
data(){
return {
uploadAction:window._CONFIG['domianURL']+"/sys/common/upload",
uploadLoading:false,
picUrl:false,
headers:{},
fileList: [],
previewImage:"",
previewVisible: false,
}
},
props:{
text:{
type:String,
required:false,
default:"上传"
},
/*这个属性用于控制文件上传的业务路径*/
bizPath:{
type:String,
required:false,
default:"temp"
},
value:{
type:[String,Array],
required:false
},
disabled:{
type:Boolean,
required:false,
default: false
},
isMultiple:{
type:Boolean,
required:false,
default: false
},
//update-begin-author:wangshuai date:20201021 for:LOWCOD-969 新增number属性用于判断上传数量
number:{
type:Number,
required:false,
default:0
}
//update-end-author:wangshuai date:20201021 for:LOWCOD-969 新增number属性用于判断上传数量
},
watch:{
value: {
handler(val,oldValue) {
if (val instanceof Array) {
this.initFileList(val.join(','))
} else {
this.initFileList(val)
}
if(!val || val.length==0){
this.picUrl = false;
}
},
//立刻执行handler
immediate: true
}
},
created(){
const token = Vue.ls.get(ACCESS_TOKEN);
this.headers = {"X-Access-Token":token}
},
methods:{
initFileList(paths){
if(!paths || paths.length==0){
this.fileList = [];
return;
}
this.picUrl = true;
let fileList = [];
let arr = paths.split(",")
for(var a=0;a<arr.length;a++){
let url = getFileAccessHttpUrl(arr[a]);
fileList.push({
uid: uidGenerator(),
name: getFileName(arr[a]),
status: 'done',
url: url,
response:{
status:"history",
message:arr[a]
}
})
}
this.fileList = fileList
},
beforeUpload: function(file){
var fileType = file.type;
if(fileType.indexOf('image')<0){
this.$message.warning('请上传图片');
return false;
}
},
handleChange(info) {
this.picUrl = false;
let fileList = info.fileList
//update-begin-author:wangshuai date:20201022 for:LOWCOD-969 判断number是否大于0和是否多选返回选定的元素。
if(this.number>0 && this.isMultiple){
fileList = fileList.slice(-this.number);
}
//update-end-author:wangshuai date:20201022 for:LOWCOD-969 判断number是否大于0和是否多选返回选定的元素。
if(info.file.status==='done'){
if(info.file.response.success){
this.picUrl = true;
fileList = fileList.map((file) => {
if (file.response) {
file.url = file.response.message;
}
return file;
});
}
//this.$message.success(`${info.file.name} 上传成功!`);
}else if (info.file.status === 'error') {
this.$message.error(`${info.file.name} 上传失败.`);
}else if(info.file.status === 'removed'){
this.handleDelete(info.file)
}
this.fileList = fileList
if(info.file.status==='done' || info.file.status === 'removed'){
this.handlePathChange()
}
},
// 预览
handlePreview (file) {
this.previewImage = file.url || file.thumbUrl
this.previewVisible = true
},
getAvatarView(){
if(this.fileList.length>0){
let url = this.fileList[0].url
return getFileAccessHttpUrl(url)
}
},
handlePathChange(){
let uploadFiles = this.fileList
let path = ''
if(!uploadFiles || uploadFiles.length==0){
path = ''
}
let arr = [];
if(!this.isMultiple && uploadFiles.length>0){
arr.push(uploadFiles[uploadFiles.length-1].response.message)
}else{
for(let a=0;a<uploadFiles.length;a++){
// update-begin-author:taoyan date:20200819 for:【开源问题z】上传图片组件 LOWCOD-783
if(uploadFiles[a].status === 'done' ) {
arr.push(uploadFiles[a].response.message)
}else{
return;
}
// update-end-author:taoyan date:20200819 for:【开源问题z】上传图片组件 LOWCOD-783
}
}
if(arr.length>0){
path = arr.join(",")
}
this.$emit('change', path);
},
handleDelete(file){
//如有需要新增 删除逻辑
console.log(file)
},
handleCancel() {
this.close();
this.previewVisible = false;
},
close () {
},
},
model: {
prop: 'value',
event: 'change'
}
}
</script>
<style scoped>
/* update--begin--autor:lvdandan-----date:20201016------forj-image-upload图片组件单张图片详情回显空白
* https://github.com/zhangdaiscott/jeecg-boot/issues/1810
* https://github.com/zhangdaiscott/jeecg-boot/issues/1779
*/
/deep/ .imgupload .iconp{padding:20px;}
/* update--end--autor:lvdandan-----date:20201016------forj-image-upload图片组件单张图片详情回显空白*/
/deep/ .image-upload-single-over .ant-upload-select{display: none}
</style>