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update QRCode

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This commit is contained in:
sjm 2023-12-24 01:59:52 +08:00
parent ac97a3b69a
commit 9985a9f81a
3 changed files with 45 additions and 38 deletions
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4
src/main/java/com/lovenav/service/serviceImpl/QRCServiceImpl.java
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@ -24,9 +24,9 @@ public class QRCServiceImpl implements QRCService{
public String QR(CollectIconList collect) throws Exception {
String logoPath ="src/main/resources/static/logo/NAV.png";
String destPath = "src/main/resources/static/qr";
String savePath = "src/main/resources/static/icon";
// 将icon下载到本地并存储本地路径
String icon_url = QRCodeUtil.downloadPicture(collect.getIcon_url(),savePath);
String icon_url = QRCodeUtil.downloadPicture(collect.getIcon_url());
collect.setIcon_url(icon_url);
// 通过传入collect的url_id查找相同网址图片列表
// List<CollectIconList> collectIconList = collectIconListDao.selectByUrlid(collect.getUrl_id());

77
src/main/java/com/lovenav/utils/QRCodeUtil.java
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@ -18,11 +18,8 @@ import java.awt.image.BufferedImage;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import java.util.Random;
import java.util.Base64;
import java.text.SimpleDateFormat;
import java.util.*;
@Component
@Service
@ -386,44 +383,52 @@ public class QRCodeUtil {
/**
* 根据图片url下载图片到本地
* @param imageUrl
* @param savePath
* @throws IOException
*/
public static String downloadPicture(String imageUrl, String savePath) throws IOException {
URL url = new URL(imageUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
public static String downloadPicture(String pictureurl) throws Exception {
//因为是测试，图片url可以随便搞一个，我从百度随便复制了个图片url
String pictureUrl = pictureurl;
//建立图片连接
URL url = new URL(pictureUrl);
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
//设置请求方式
connection.setRequestMethod("GET");
connection.connect();
//设置超时时间
connection.setConnectTimeout(10*1000);
int responseCode = connection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
BufferedInputStream in = new BufferedInputStream(connection.getInputStream());
FileOutputStream out = new FileOutputStream(new File(savePath));
//输入流
InputStream stream = connection.getInputStream();
int len = 0;
byte[] test = new byte[1024];
byte[] buffer = new byte[1024];
int bytesRead;
while ((bytesRead = in.read(buffer)) != -1) {
out.write(buffer, 0, bytesRead);
}
// 能够返回本地地址前提
URL url2 = new URL(imageUrl);
BufferedImage image = ImageIO.read(url2);
String file = new Random().nextInt(99999999)+".jpg";
ImageIO.write(image, FORMAT_NAME, new File(savePath+"/"+file));
// 下载完成，关闭输入输出流
in.close();
out.close();
connection.disconnect();
System.out.println("图片下载成功，保存路径：" + savePath);
// 返回本地地址
return savePath+"/"+file;
//获取项目路径
File directory = new File("src/main/resources/static/icon");
String paths = directory.getCanonicalPath();
//如果没有文件夹则创建
File file = new File("src/main/resources/static/icon");
if (!file.exists()){
file.mkdirs();
}
else {
System.out.println("无法下载图片，响应码：" + responseCode);
return JSON.toJSONString("responseCode");
//设置图片名称，这个随意
String date = new Random().nextInt(99999999)+".jpg";
String fileName = date ;
//输出流，图片输出的目的文件
String serverPath = "src/main/resources/static/icon";
BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(serverPath +"/" + fileName));
//以流的方式上传
while ((len =stream.read(test)) !=-1){
fos.write(test,0,len);
}
//记得关闭流，不然消耗资源
stream.close();
fos.close();
return (serverPath +"/" + fileName);
}
public static void main(String[] args) throws Exception {

2
src/main/resources/application.yml
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@ -1,4 +1,6 @@
spring:
mvc:
static-path-pattern: /static/**
datasource:
url: jdbc:mysql://localhost:3306/love-nav
username: root