Java后端生成二维码_java后端二维码生成

Java后端生成二维码

pom.xml文件需要添加依赖jar包：

<dependency>
    <groupId>com.google.zxing</groupId>
    <artifactId>javase</artifactId>
    <version>3.3.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.google.zxing/core -->
<dependency>
	<groupId>com.google.zxing</groupId>
	<artifactId>core</artifactId>
	<version>3.3.1</version>
</dependency>

生成二维码的工具类：

package com.wust.Hisportal.user.admin.util;
 
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
 
import javax.imageio.ImageIO;
 
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
import com.google.zxing.BarcodeFormat;
import com.googl