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修复部署后文件下载问题

master
chenxiwang 2024-08-21 10:22:47 +08:00
parent 66bdd41ceb
commit 7810744afc
1 changed files with 7 additions and 12 deletions
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19
src/main/java/com/gunshi/project/xyt/controller/OsmoticWaterRController.java
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@ -1,6 +1,5 @@
package com.gunshi.project.xyt.controller; package com.gunshi.project.xyt.controller;
import cn.hutool.core.io.resource.ClassPathResource;
import com.alibaba.fastjson2.JSON; import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils; import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
@ -38,21 +37,17 @@ import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.bind.annotation.RestController; import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartFile;
import java.io.BufferedInputStream;
import java.io.File; import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream; import java.io.OutputStream;
import java.io.Serializable; import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder; import java.net.URLEncoder;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
/** /**
* 描述: 水质采样记录表 * 描述: 水质采样记录表
@ -195,16 +190,16 @@ public class OsmoticWaterRController {
@PostMapping("/downloadFile") @PostMapping("/downloadFile")
@CrossOrigin @CrossOrigin
public void downloadFile(HttpServletResponse response) throws IOException { public void downloadFile(HttpServletResponse response) throws IOException {
ClassPathResource classPathResource = new ClassPathResource("/doc/2002年6月1日_GB3838-2002地表水环境质量标准.pdf"); String filePath = "doc/2002年6月1日_GB3838-2002地表水环境质量标准.pdf";
File file = classPathResource.getFile(); File file = new File(filePath);
if (!file.exists()) { if (!file.exists()) {
new IllegalArgumentException("文件不存在！"); new FileNotFoundException("文件不存在！");
} }
response.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode(file.getName(), "UTF-8")); response.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode(filePath, "UTF-8"));
BufferedInputStream inputStream = null; InputStream inputStream = null;
OutputStream outputStream = null; OutputStream outputStream = null;
try { try {
inputStream = new BufferedInputStream(new FileInputStream(file)); inputStream = this.getClass().getClassLoader().getResourceAsStream(filePath);
outputStream = response.getOutputStream(); outputStream = response.getOutputStream();
byte[] buffer = new byte[1024]; byte[] buffer = new byte[1024];
int len = 0; int len = 0;