mh_jy_safe_web/src/files/list/SC045.js

import { Button } from 'antd';
import { message } from "antd/lib/index";
import React from 'react';
import FormPage from '../../components/FormPage';
import config from '../../config';
export default {
    // getFileDown(params) {
    //     const { record} = params ? params : {};
    //     if (record && record.Nav_Files) {
    //         // return {
    //         //     content:
    //             record.Nav_Files.map(t=>{
    //                 if(t.Nav_File)
    //                 {
    //                     const imgSrc = config.serviceHost('api/PF/File/GetFile?id=' + t.Nav_File.FILE_ID)
    //                     return (
    //                           <a
    //                             target="_blank"
    //                             href={imgSrc}
    //                           >
    //                             {t.Nav_File.Nav_File.FILE_NAME}
    //                           </a>
    //                       );

    //                     // return <tr>
    //                     //      <div><a href={imgSrc}>t.Nav_File.Nav_File.FILE_NAME</a></div>
    //                     // </tr>

    //                 }
    //             })

    //         //   }

    //     }
    // },
    singleFileDown(params) {
        const { record, dispatch } = params ? params : {};
        //下载单个文件
        const handlerDown = (url, name) => {
            const link = document.createElement("a");
            link.href = url;
            link.download = name;
            link.click();
          };
         //下载多个文件
          const allLoad=(excelList)=> {
            for(let i=0;i<excelList.length;i++){
                const iframe = document.createElement("iframe");
                iframe.style.display = "none"; // 防止影响页面
                iframe.style.height = 0; // 防止影响页面
                iframe.src = excelList[i]; 
                document.body.appendChild(iframe); // 这一行必须，iframe挂在到dom树上才会发请求
                // 5分钟之后删除
                setTimeout(()=>{
                  iframe.remove();
                }, 5 * 60 * 1000);
            }
        }

        const confirmRevert = (event) => {
            if (record && record.Nav_Files) {
                let excelList=[];
                    for (let i = 0; i < record.Nav_Files.length; i++) {
                    let tempFile = record.Nav_Files[i].Nav_ImgFile;
                    if (tempFile) {
                        // const urls = config.serviceHost('api/PF/File/GetFile?id=' + tempFile.FILE_ID);
                        // const name = tempFile.FILE_NAME;
                        // fetch(urls).then(res => res.blob()).then(blob => {
                        //     const a = document.createElement('a');
                        //     document.body.appendChild(a)
                        //     a.style.display = 'none'
                        //     // 使用获取到的blob对象创建的url
                        //     const url = window.URL.createObjectURL(blob);
                        //     a.href = url;
                        //     // 指定下载的文件名
                        //     a.download = name;
                        //     a.click();
                        //     document.body.removeChild(a)
                        //     // 移除blob对象的url
                        //     window.URL.revokeObjectURL(url);
                        // });
                        var hrefs = config.picServerHost + tempFile.Nav_File.FILE_PATH;
                        excelList.push(hrefs);
                    }
                }

                if(excelList&&excelList.length>0){
                    allLoad(excelList);
                }
            }
        };
        //const isReturn = record.STATUS >2;disabled={isReturn}
        return {
            content:
                <Button onClick={confirmRevert}
                    type={'link'} icon={'download'} size={'small'} title="附件下载" />
        }
    },
    allFileDown(params) {
        const { record, dispatch,getSelectedRecords } = params ? params : {};
         //下载多个文件
         const allLoad=(excelList)=> {
            for(let i=0;i<excelList.length;i++){
                const iframe = document.createElement("iframe");
                iframe.style.display = "none"; // 防止影响页面
                iframe.style.height = 0; // 防止影响页面
                iframe.src = excelList[i]; 
                document.body.appendChild(iframe); // 这一行必须，iframe挂在到dom树上才会发请求
                // 5分钟之后删除
                setTimeout(()=>{
                  iframe.remove();
                }, 5 * 60 * 1000);
            }
            }
        const confirmRevert=()=>{
            //下载多个文件
            let DetailCheck = getSelectedRecords();
            if (DetailCheck && DetailCheck.length > 0) {
                let excelList=[];
                for (let i = 0; i < DetailCheck.length; i++) {
                    let files=DetailCheck[i].Nav_Files;
                    if(files.length>0)
                    {
                        for (let index = 0; index < files.length; index++) {
                            let element = files[index].Nav_ImgFile;
                            if(element)
                            {
                                var hrefs = config.picServerHost + element.Nav_File.FILE_PATH;
                                excelList.push(hrefs);
                            }
                        }
                    }
                }
                if(excelList&&excelList.length>0){
                    allLoad(excelList);
                }
            }
        }
        return {
            content:
                <Button onClick={confirmRevert}
                    type={'primary'} icon={'download'} title="附件下载">批量附件下载</Button>
        }
    }
};