java實現過程
使用maven工程實現生成二維碼功能
pom.xml文件引入依賴
<!-- https://mvnrepository.com/artifact/com.google.zxing/javase -->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>javase</artifactId>
<version>3.2.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.google.zxing/core -->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.3.0</version>
</dependency>
java類文件
package com.ltj.Controller;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Path;
//生成二維碼
public class GetQrCode{
//二維碼存放地址
private static final String filePath = "C:\\Users\\Administrator\\Desktop\\";
public static void main(String[] arg){
try{
//二維碼內容
String contents = "別說話，我愛你!";
try{
// 解決中文漢字的字符編碼
contents = new String(contents.getBytes("UTF-8"), "ISO-8859-1");
} catch (Exception e)
{
e.printStackTrace();
}
getQrCodeByInfo(contents,400,400,filePath + "img.png");
}catch (Exception e1){
System.out.println("Can not generate Qr Code:" + e1.getMessage());
}
}
//實現二維碼方法
/**
*
* @param text 二維碼內容
* @param width 二維碼寬度
* @param height 二維碼高度
* @param winPath 二維碼存放路徑
* @throws WriterException
* @throws IOException
*/
public static void getQrCodeByInfo(String text,int width,int height,String winPath) throws WriterException,IOException{
QRCodeWriter writer = new QRCodeWriter();
BitMatrix bitMatrix = writer.encode(text, BarcodeFormat.QR_CODE,width,height);
//二維碼存放路徑
Path path = FileSystems.getDefault().getPath(winPath);
//將需要的信息轉化爲圖片
MatrixToImageWriter.writeToPath(bitMatrix,"PNG",path);
}
}
------------------------------------------------------------------------------------
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>二維碼入門Demo</title>
</head>
<body>
<img id="qrious">
<script type="text/javascript" src="../doc/static/js/qrious.js"></script>
<script>
var qr = new QRious({
element:document.getElementById('qrious'),
size:150,
level:'H',
value:'hello'
});
</script>
</body>
</html>
qrious.js文件附送：
鏈接：https://pan.baidu.com/s/1YrcFt-Mkzg0mHTuM3CVi4Q
提取碼：9q6v
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