package com.wang.test;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.image.BufferedImage;

import java.io.File;

import javax.imageio.ImageIO;

import com.swetake.util.Qrcode;

/**

?* 生成二維碼

?* @author Developer Name

?*

?*/

public class Test3 {

public static void main(String[] args) throws Exception {

String content = "ART M20327,#115664742,9TXZFHPB00185";

String outPath = "D:\\qrCode\\code.jpg";

String logoPath = "D:\\qrCode\\logo.png";

creatQrCode(1, 0, content, outPath, logoPath);

}

/**

* 生成二維碼

* @param version ? 版本

* @param content ? 內(nèi)容

* @param outPath ? 輸出路徑

* @param logoPath ?圖標(biāo)路徑

* @param pixoff ? ?偏移量

* @throws Exception

*/

public static void creatQrCode(int version, ?int pixoff, String content, String outPath,

String logoPath) throws Exception {

// 圖片尺寸

int width = 67 + 12 * (version - 1);

int height = 67 + 12 * (version - 1);

//int width = 30;

//int height = 30;

// 設(shè)置二維碼排錯(cuò)率，可選L(7%)、M(15%)、Q(25%)、H(30%)，排錯(cuò)率越高可存儲(chǔ)的信息越少，但對二維碼清晰度的要求越小

Qrcode code = new Qrcode();

code.setQrcodeErrorCorrect('M');

code.setQrcodeEncodeMode('B');

// 設(shè)置設(shè)置二維碼尺寸，取值范圍1-40，值越大尺寸越大，可存儲(chǔ)的信息越大

code.setQrcodeVersion(version);

BufferedImage bufferImage = new BufferedImage(width, height,

BufferedImage.TYPE_INT_RGB);

Graphics2D gs = bufferImage.createGraphics();

// 設(shè)置背景顏色

gs.setBackground(Color.WHITE);

// 設(shè)定圖像顏色> BLACK

gs.setColor(Color.BLACK);

//清空畫板

gs.clearRect(0, 0, width, height);

// 獲得內(nèi)容的字節(jié)數(shù)組，設(shè)置編碼格式

byte[] contentBytes = content.getBytes("gb2312");

// 輸出內(nèi)容> 二維碼

if (contentBytes.length > 0 && contentBytes.length < 120) {

boolean[][] codeOut = code.calQrcode(contentBytes);

for (int i = 0; i < codeOut.length; i++) {

for (int j = 0; j < codeOut.length; j++) {

if (codeOut[j][i]) {

gs.fillRect(j * 3 + pixoff, i * 3 + pixoff, 3, 3);

}

}

}

} else {

throw new Exception("QRCode content bytes length = " + contentBytes.length + " not in [0, 800].");

}

createPhotoAtCenter(bufferImage, logoPath);

gs.dispose();

bufferImage.flush();

ImageIO.write(bufferImage, "jpg", new File(outPath));

}

/**

* 加入logo

*?

* @param bufImg ? ? 要添加的二維碼對象

* @param logoPath ? 要添加logo的路徑

* @return

* @throws Exception

*/

private static BufferedImage createPhotoAtCenter(BufferedImage bufImg, String logoPath) throws Exception {

Image image = ImageIO.read(new File(logoPath));

Graphics2D graphics = bufImg.createGraphics();

// 獲取bufImg的中間位置

int centerX = bufImg.getMinX() + bufImg.getWidth() / 2 - 30 / 2;

int centerY = bufImg.getMinY() + bufImg.getHeight() / 2 - 30 / 2;

graphics.drawImage(image, centerX + 35, centerY, 30, 30, null);

graphics.dispose();

bufImg.flush();

return bufImg;

}

}

少導(dǎo)個(gè)包import java.io.File;

debug一下看看或把代碼都發(fā)給我