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							- import React,{Component} from 'react';
 
- import {Icon, message, Spin, Upload,Progress} from 'antd';
 
- import './index.less';
 
- import Viewer from 'viewerjs';
 
- import 'viewerjs/dist/viewer.css';
 
- import PropTypes from 'prop-types';
 
- const uploadButton = (
 
-     <div>
 
-         <Icon type="plus" />
 
-         <div className="ant-upload-text">点击上传</div>
 
-     </div>
 
- );
 
- class ImgList extends Component{
 
-     constructor(props) {
 
-         super(props);
 
-         this.state={
 
-             seeMore: false,
 
-             gallery: null,
 
-             loading: true,
 
-             imgLoadNum: 0,
 
-             uploadLoading: false,
 
-             percent: 0,
 
-             newUploadArr: [],
 
-             newUploadInforArr: {},
 
-         }
 
-         this.imgLoading = this.imgLoading.bind(this);
 
-         this.beforeUpload = this.beforeUpload.bind(this);
 
-         this.setTimeOutObj = null;
 
-     }
 
-     componentDidMount() {
 
-         this.setTimeOutObj = setTimeout(()=>{
 
-             this.setState({
 
-                 gallery: new Viewer(document.getElementById(this.props.domId))
 
-             },()=>{
 
-                 this.setState({
 
-                     loading: false
 
-                 })
 
-             })
 
-         },10000)
 
-     }
 
-     imgLoading(){
 
-         if(Object.keys(this.props.uploadConfig).length !== 0){
 
-             this.setTimeOutObj && clearTimeout(this.setTimeOutObj);
 
-         }else{
 
-             let num = this.state.imgLoadNum + 1;
 
-             if(num >= this.props.fileList.length){
 
-                 this.state.gallery && this.state.gallery.destroy();
 
-                 this.setState({
 
-                     gallery: new Viewer(document.getElementById(this.props.domId))
 
-                 },()=>{
 
-                     this.setTimeOutObj && clearTimeout(this.setTimeOutObj);
 
-                     this.setState({
 
-                         loading: false
 
-                     })
 
-                 })
 
-             }
 
-             this.setState({
 
-                 imgLoadNum: num
 
-             })
 
-         }
 
-     }
 
-     beforeUpload(file) {
 
-         const isJPG = file.type.split('/');
 
-         if (isJPG[0] !== 'image') {
 
-             message.error('只能上传图片文件!');
 
-             return false;
 
-         }
 
-         const isLt2M = file.size / 1024 / 1024 < 10;
 
-         if (!isLt2M) {
 
-             message.error('图片大小不能超过 10MB!');
 
-             return isLt2M;
 
-         }
 
-         if(isJPG && isLt2M){
 
-             //用于计算当次选择的图片数量
 
-             this.state.newUploadArr.push(file)
 
-             this.setState({
 
-                 newUploadArr:this.state.newUploadArr
 
-             })
 
-         }
 
-         return isJPG && isLt2M;
 
-     }
 
-     componentWillUnmount() {
 
-         this.setTimeOutObj && clearTimeout(this.setTimeOutObj);
 
-     }
 
-     render() {
 
-         const {fileList} = this.props;
 
-         if(!fileList || !Array.isArray(fileList)){
 
-             return null;
 
-         }
 
-         return (
 
-             <div className='ImgListComponent'>
 
-                 <div className='ImgList'>
 
-                     <Spin spinning={Object.keys(this.props.uploadConfig).length !== 0 ? false : (fileList.length === 0 ? false : this.state.loading)} tip="图片加载中...">
 
-                         <Upload
 
-                             {...this.props.uploadConfig}
 
-                             accept="image/*"
 
-                             className={Object.keys(this.props.uploadConfig).length !== 0 ? "" : "demandDetailShow-upload" }
 
-                             listType="picture-card"
 
-                             fileList={
 
-                                 Object.keys(this.props.uploadConfig).length !== 0 ?
 
-                                     (
 
-                                         fileList.map((v,i)=>{
 
-                                             v.index = i;
 
-                                             return v
 
-                                         })
 
-                                     ) : (
 
-                                         this.state.seeMore?
 
-                                             fileList.map((v,i)=>{
 
-                                                 v.index = i;
 
-                                                 return v
 
-                                             }) :
 
-                                             fileList.map((v,i)=>{
 
-                                                 v.index = i;
 
-                                                 return v
 
-                                             }).slice(0,10)
 
-                                     )
 
-                             }
 
-                             onPreview={(file) => {
 
-                                 if(Object.keys(this.props.uploadConfig).length !== 0){
 
-                                     //TODO 上传组件,查看图片临时解决方法,无法查看下一张
 
-                                     let image = new Image();
 
-                                     image.src = file.url || file.thumbUrl;
 
-                                     let viewer = new Viewer(image, {
 
-                                         hidden: function () {
 
-                                             viewer.destroy();
 
-                                         },
 
-                                     });
 
-                                     viewer.show();
 
-                                 }else{
 
-                                     this.state.gallery.view(file.index).show();
 
-                                 }
 
-                             }}
 
-                             beforeUpload={this.beforeUpload}
 
-                             onChange={(infor)=>{
 
-                                 if(infor.file.status){
 
-                                     let newUploadNum = this.state.newUploadArr.length
 
-                                     this.state.gallery && this.state.gallery.destroy();
 
-                                     this.props.onChange(infor);
 
-                                     if(infor.file && infor.file.status === 'error'){
 
-                                         message.error('图片上传失败,请重新上传!');
 
-                                     }
 
-                                     //用于控制进度条
 
-                                     if(infor.file && infor.file.status !== 'removed' && infor.event){
 
-                                         let percent = 0;
 
-                                         this.state.newUploadInforArr[infor.file.uid] = infor.event.percent;
 
-                                         this.setState({
 
-                                             newUploadInforArr:this.state.newUploadInforArr
 
-                                         })
 
-                                         for(let i of Object.values(this.state.newUploadInforArr)){
 
-                                             percent+= i
 
-                                         }
 
-                                         let percentNum = percent/newUploadNum/100;
 
-                                         this.setState({
 
-                                             percent:percentNum
 
-                                         })
 
-                                         if(percentNum <= 1) {
 
-                                             this.setState({
 
-                                                 uploadLoading: true,
 
-                                             })
 
-                                         }
 
-                                         if(percentNum >= 1){
 
-                                             this.setState({
 
-                                                 percent: 1,
 
-                                             },()=>{
 
-                                                 setTimeout(()=>{
 
-                                                     this.setState({
 
-                                                         uploadLoading: false,
 
-                                                     },()=>{
 
-                                                         this.setState({
 
-                                                             percent: 0,
 
-                                                             newUploadArr: [],
 
-                                                             newUploadInforArr: {}
 
-                                                         })
 
-                                                     })
 
-                                                 },1500)
 
-                                             })
 
-                                         }
 
-                                     }else if(infor.file && infor.file.status === 'removed'){
 
-                                         this.setState({
 
-                                             percent: 0,
 
-                                             newUploadArr: [],
 
-                                             newUploadInforArr: {}
 
-                                         })
 
-                                     }
 
-                                 }
 
-                             }}
 
-                         >
 
-                             {Object.keys(this.props.uploadConfig).length === 0 ? "" : uploadButton}
 
-                         </Upload>
 
-                     </Spin>
 
-                 </div>
 
-                 {fileList.length > 10 && Object.keys(this.props.uploadConfig).length === 0 ? <div className='seeMore' onClick={()=>{this.setState({seeMore:!this.state.seeMore})}}>
 
-                     {this.state.seeMore ? '收起' : '查看更多'}
 
-                 </div> : <div/>}
 
-                 <ul id={this.props.domId} style={{display:'none',zIndex:-1,}}>
 
-                     {
 
-                         fileList.map((value,index)=>(
 
-                             <li key={index}>
 
-                                 <img src={value.url || value.thumbUrl} onLoad={()=>{
 
-                                     this.imgLoading();
 
-                                 }}/>
 
-                             </li>
 
-                         ))
 
-                     }
 
-                 </ul>
 
-                 {this.state.uploadLoading ? <div className='mask'>
 
-                     <Progress
 
-                         className='progress'
 
-                         type="circle"
 
-                         status="active"
 
-                         percent={parseFloat(this.state.percent * 100).toFixed(0)}
 
-                     />
 
-                     <div className='promptText'>图片上传中...</div>
 
-                 </div> : <div/>}
 
-             </div>
 
-         )
 
-     }
 
- }
 
- ImgList.propTypes = {
 
-     domId : PropTypes.string,                            //如果一个界面有多个该组件,需要传入自定义id名称,用于图片列表显示
 
-     fileList: PropTypes.array.isRequired,                //图片文件列表
 
-     uploadConfig: PropTypes.object,                      //上传图片配置参数(需要上传图片时需要,存在与否,用于区分是否为上传或者为查看)
 
-     onChange: PropTypes.func,                            //选择图片
 
- }
 
- ImgList.defaultProps = {
 
-     domId: 'images',
 
-     fileList: [],
 
-     uploadConfig: {},
 
-     onChange:()=>{}
 
- }
 
- export default ImgList;
 
 
  |