package com.imooc.zxing;

import java.io.File;

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.client.j2se.MatrixToImageWriter;

import com.google.zxing.common.BitMatrix;

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

//生成二维码

public class CreatQRCode {

public static void main(String[] args)  {

int width = 300;

int height = 300;

String format = "png";

String content = "www.imooc.com";

//定义二维码的参数

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("E:/java实现成果/img.png").toPath();

MatrixToImageWriter.writeToPath(bitMatrix, format, file);

} catch (Exception e) {

System.out.println("1");

e.printStackTrace();

}

}

}