Java中使用ZXing生成二维码

<!-- ZXing -->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.2.0</version>
</dependency>
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>javase</artifactId>
<version>3.2.0</version>
</dependency>

package com.test.zxing;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
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.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;

public class QrCode{

public static void main(String[] args) throws WriterException, IOException {

String contents="http://p3.pstatp.com/large/c5e0008d136cd98431d";
String path="E:/qrcode/";

MultiFormatWriter multiFormatWriter=new MultiFormatWriter();
Map<EncodeHintType,String> hints=new HashMap<EncodeHintType,String>();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
BitMatrix bitMatrix=multiFormatWriter.encode(contents, BarcodeFormat.QR_CODE, 400, 400, hints);
File file=new File(path, "test.jpg");
//过时方法
//	MatrixToImageWriter.writeToFile(bitMatrix, "jpg", file);

MatrixToImageWriter.writeToStream(bitMatrix, "jpg", new FileOutputStream(file));

}

}