二维码生成工具类

Posted 2020-10-06

 1 package com.ideal.common.util;
 2 
 3 import java.awt.image.BufferedImage;
 4 import java.io.File;
 5 import java.io.FileInputStream;
 6 import java.io.FileNotFoundException;
 7 import java.io.FileOutputStream;
 8 import java.util.UUID;
 9 
10 import net.glxn.qrgen.core.image.ImageType;
11 import net.glxn.qrgen.javase.QRCode;
12 
13 /**
14  * 
15  * 二维码生成工具类
16  *@author:daipeng
17  *@date:2017年6月15日
18  */
19 public class MyQRCodeUtils {
20     /**
21      * 
22      * 
23      * @Title: getCode   
24      * @Description: 生成二维码 
25      * @author:daipeng     
26      * @param: @param mCode 二维码的url地址
27      * @param: @param pathName 二维码全路径名称唯一,否则会覆盖
28      * @param: @return 
29      * @param: @throws Exception      
30      * @return: String      
31      * @throws
32      */
33     public static void getCode(String mCode,String pathName) throws Exception{
34         File qrCode = QRCode.from(mCode).withCharset("UTF-8").to(ImageType.PNG).withSize(250, 250).file();
35         FileInputStream inputStream = new FileInputStream(qrCode);
36         FileOutputStream outputStream = new FileOutputStream(new File(pathName+".png"));
37         byte[] buffer = new byte[1024];
38            int i = -1;
39            while ((i = inputStream.read(buffer)) != -1) {
40               outputStream.write(buffer, 0, i);
41            }
42            outputStream.flush();
43            outputStream.close();
44            inputStream.close();
45     }
46     
47     public static File getCode2(String mCode,String pathName) throws Exception{
48         File qrCode = QRCode.from(mCode).withCharset("UTF-8").to(ImageType.PNG).withSize(250, 250).file();
49         return qrCode;
50     }
51     
52     
53     public static void main(String[] args) throws Exception {
54         String mCode = "advd";
55         String pathName = "E:\\1";
56         getCode(mCode,pathName);
57     }
58 }