From 8d19fa0775f455ddabc54e4d128308013f9a6bb8 Mon Sep 17 00:00:00 2001
From: zhibing.pu <393733352@qq.com>
Date: 星期一, 26 八月 2024 17:57:12 +0800
Subject: [PATCH] 完善二维码下载功能
---
ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java | 16 +++++++++++-----
1 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java b/ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java
index cc6f241..457c752 100644
--- a/ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java
+++ b/ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java
@@ -1,6 +1,7 @@
package com.ruoyi.chargingPile.controller;
+import cn.hutool.core.img.ImgUtil;
import cn.hutool.core.io.FileUtil;
import com.ruoyi.chargingPile.api.dto.TChargingGunDTO;
import com.ruoyi.chargingPile.api.model.TChargingGun;
@@ -23,8 +24,12 @@
import org.springframework.web.bind.annotation.*;
import javax.annotation.Resource;
+import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
+import java.awt.image.BufferedImage;
+import java.io.BufferedReader;
import java.io.FileInputStream;
+import java.io.FileReader;
import java.io.PrintWriter;
import java.net.URLEncoder;
import java.util.Arrays;
@@ -132,17 +137,18 @@
public void downloadQRCode(@PathVariable Integer id, HttpServletResponse response){
try {
TChargingGun chargingGun = chargingGunService.getById(id);
- response.setContentType("image/jpeg");
- response.setHeader("Content-Disposition","attachment; filename=" + URLEncoder.encode(chargingGun.getName(), "UTF-8") + ".jpeg");
+ String fileName = URLEncoder.encode(chargingGun.getCode(), "UTF-8") + ".jpg";
+ response.setContentType("application/force-download");
+ response.addHeader("Content-Disposition", "attachment;fileName=" + fileName);
String url = "https://www.baidu.com?id=" + id;
- String filePath = "";
+ String filePath = "D://" + fileName;
QRCodeUtils.encode(url, filePath);
FileInputStream inputStream = new FileInputStream(filePath);
- PrintWriter out = response.getWriter();
+ ServletOutputStream out = response.getOutputStream();
int len = 0;
byte[] buf = new byte[1024];
while ((len = inputStream.read(buf, 0, 1024)) != -1) {
- out.println(buf);
+ out.write(buf);
}
out.flush();
out.close();
--
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