用的是google 的swing ，二维码生成工具类
package com.chinait.utils;
/**
* 二维码生成工具
* @author yachao
*
*/
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.Map;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
public class QRCodeUtils {
private static int codeWidth = 200; // 图像宽度
private static int codeHeight = 200; // 图像高度
private static String format = "png";
/**
*
* @param fileName(文件名称)
* @param filePath(文件存放路径)
* @param url(文件的内容)
* @return
*/
public boolean createQRCode(String fileName,String filePath,String content){
try{
Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
BitMatrix bitMatrix = new MultiFormatWriter().encode(content,BarcodeFormat.QR_CODE, codeWidth, codeHeight, hints);// 生成矩阵
Path path = FileSystems.getDefault().getPath(filePath, fileName+Constance.QrCodeImg);
MatrixToImageWriter.writeToPath(bitMatrix, format, path);// 输出图像
}catch(Exception e){
e.printStackTrace();
return false;
}
return true;
}
public static int getCodeWidth() {
return codeWidth;
}
public static void setCodeWidth(int codeWidth) {
QRCodeUtils.codeWidth = codeWidth;
}
public static int getCodeHeight() {
return codeHeight;
}
public static void setCodeHeight(int codeHeight) {
QRCodeUtils.codeHeight = codeHeight;
}
public static String getFormat() {
return format;
}
public static void setFormat(String format) {
QRCodeUtils.format = format;
}
}
maven 的配置添加这个就可以了。
<!-- google 的二维码 -->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.0.0</version>
</dependency>