QRCode二维码生成

pom配置

		<dependency>
		    <groupId>com.github.cloudecho</groupId>
		    <artifactId>qrcode</artifactId>
		    <version>1.0.0</version>
		</dependency>

　　代码

 public static void main(String []args)throws Exception{
        String text = "http://www.bing.com/knows/search?q=%E8%B0%B7%E6%AD%8C%E5%9C%B0%E5%9B%BE&mkt=zh-cn&FORM=BKACAI";
        int width = 300;
        int height = 300;
        String format = "png";
        Hashtable hints= new Hashtable();
        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
         BitMatrix bitMatrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height,hints);
         File outputFile = new File("D:\\new.png");
         MatrixToImageWriter.writeToFile(bitMatrix, format, outputFile);   

    }