下载

lxw

2023-02-17 3a4718c6e1489ff1aa5ee4c3d7ff4c4eb1acca64

下载

 src/main/java/com/whyc/controller/BOMFeedbakController.java

@@ -11,6 +11,8 @@
import org.springframework.web.multipart.MultipartFile;

import javax.mail.MessagingException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@RestController
@@ -44,4 +46,10 @@
        BOMFeedback feedback = ActionUtil.getGson().fromJson(feedbackJson, BOMFeedback.class);
        return service.submitFeedback(feedback,multipartFile);
    }

    @ApiOperation(value = "根据文件路径下载")
    @GetMapping("downLoadFileByFilePath")
    public void downLoadFileByFilePath(HttpServletRequest req, HttpServletResponse resp, @RequestParam String filePath){
        service.downLoadFileByFilePath(req,resp,filePath);
    }
}

 src/main/java/com/whyc/service/BOMFeedbakService.java

@@ -4,11 +4,14 @@
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.whyc.constant.UserOperation;
import com.whyc.dto.FileDirPath;
import com.whyc.dto.Response;
import com.whyc.mapper.BOMFeedbakMapper;
import com.whyc.mapper.DocUserMapper;
import com.whyc.pojo.BOMFeedback;
import com.whyc.pojo.DocUser;
import com.whyc.pojo.Software;
import com.whyc.util.ActionUtil;
import com.whyc.util.CommonUtil;
import com.whyc.util.MailUtil;
@@ -18,8 +21,10 @@

import javax.annotation.Resource;
import javax.mail.MessagingException;
import java.io.File;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
@@ -167,5 +172,28 @@
        mailUtil.sendMailBatch(senderName,receiverMailList,subject,content);
        return new Response().set(1,true,"反馈完成");
    }

    //根据文件路径下载
    public void downLoadFileByFilePath(HttpServletRequest req, HttpServletResponse resp, String filePath) {
        String fileDirName = FileDirPath.getFileDirName();
        String fileName=filePath.substring(filePath.lastIndexOf("\\")+1);
        try {
            // 转码防止乱码
            //resp.addHeader("Content-Disposition", "attachment;filename=" + new String(softwareName.getBytes("UTF-8"), "ISO8859-1"));
            resp.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode (fileName, "utf-8"));
            OutputStream out = resp.getOutputStream();
            FileInputStream in = new FileInputStream(fileDirName+File.separator+filePath);
            int len=0;
            byte[] buffer =new byte[1024];
            //7. 将缓冲区中的数据输出
            while ((len=in.read(buffer))>0){
                out.write(buffer,0,len);
            }
            in.close();
            out.close();
        } catch (FileNotFoundException | UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}