package?Code;

import?java.io.File;
import?java.io.IOException;
import?java.nio.file.Path;
import?java.util.HashMap;

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;
import?com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;

public?class?CreateQRCode?{
	
	public?static?void?main(String[]?args){
		int?width?=?300;
		int?height?=?300;
		String?format?=?"png";
		String?content?=?"www.ycxk.ac.cn";
		
		//定義二維碼的參數(shù)
		HashMap?hints?=?new?HashMap();
		hints.put(EncodeHintType.CHARACTER_SET,"utf-8"?);
		hints.put(EncodeHintType.ERROR_CORRECTION,?ErrorCorrectionLevel.M);
		hints.put(EncodeHintType.MARGIN,?2);
		
		
		try?{
			BitMatrix?bitMatrix?=?new?MultiFormatWriter().encode(content,BarcodeFormat.QR_CODE,width,height,hints);
			Path?file?=?new?File("D:/IT/Java/iUN.png").toPath();
			MatrixToImageWriter.writeToPath(bitMatrix,?format,?file);
		}?catch?(WriterException?e)?{
			e.printStackTrace();
		}?catch?(IOException?e)?{
			e.printStackTrace();
		}
		
	}

}

注意修改下包名什么的就能用了，我是JAVA8，記得采納！！