JS 同时下载多个文件

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.util.stream.Collectors;
import java.util.stream.Stream;

@Controller
@RequestMapping("/file")
public class FileDownLoadController {
	
	// 下载页面初始化
    @RequestMapping("/init")
    public ModelAndView init() {

        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("fileDownload");
        return modelAndView;
    }
	
	// 获取文件名称或者文件路径
    @GetMapping("/getFileName")
    @ResponseBody
    public String getFileName() {

        String fileName = Stream.of("1.txt", "2.txt", "3.txt")
                .collect(Collectors.joining(","));
        return fileName;
    }
	
	// 下载文件
    @GetMapping("/manyFileDownLoad/{fileName}")
    public void manyFileDownLoad(@PathVariable("fileName") String fileName, HttpServletRequest request, HttpServletResponse response) throws IOException {

        // 保存在本地磁盘中的文件
        File file = new File("C:\Users\xxx\Desktop\downloadFile\" + fileName);
        FileInputStream fileInputStream = null;
        try {

            response.setHeader("content-type", "application/octet-stream");
            
            response.setHeader("Content-disposition", "attachment;filename=" + URLEncoder.encode(file.getName(), "UTF-8"));
            // 设置响应类型
            response.setContentType("application/x-download");

            // 读取本地的文件
            fileInputStream = new FileInputStream(file);

            // 根据response对象构造一个输出流对象,然后将输入流的对象写入输出流
            OutputStream os = response.getOutputStream();
            // 直接将文件一口气写入输出流中(文件不大的话,直接写入就行)
            os.write(fileInputStream.readAllBytes());

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (fileInputStream != null) {
                fileInputStream.close();
            }
        }
    }
}

    
    


    点击同时下载多个文件