package com.powernode.qrcode.servlet;
import com.github.hui.quick.plugin.qrcode.wrapper.QrCodeGenWrapper;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.MultipartConfig;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
@WebServlet("/generateWithQrCode")
//fileSizeThreshold文件大小达到后自动上传
//maxFileSize最大文件大小
//maxRequestSize最大请求大小
@MultipartConfig(fileSizeThreshold = 1024 * 1024 * 10,maxFileSize = 1024 * 1024 * 10,maxRequestSize = 1024 * 1024 * 10)
public class generateWithQrCode extends HttpServlet
{
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try{
// 获取文本内容
String url = request.getParameter("url");
// 生成二维码
BufferedImage image = QrCodeGenWrapper.of(url).asBufferedImage();
// 响应内容到浏览器
ImageIO.write(image,"PNG",response.getOutputStream());
}
catch(Exception e){
e.printStackTrace();
}
}
}
package com.powernode.qrcode.servlet;
import com.github.hui.quick.plugin.qrcode.wrapper.QrCodeGenWrapper;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.MultipartConfig;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
@WebServlet("/generateWithQrCode")
//fileSizeThreshold文件大小达到后自动上传
//maxFileSize最大文件大小
//maxRequestSize最大请求大小
@MultipartConfig(fileSizeThreshold = 1024 * 1024 * 10,maxFileSize = 1024 * 1024 * 10,maxRequestSize = 1024 * 1024 * 10)
public class generateWithQrCode extends HttpServlet
{
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try{
// 获取文本内容
String url = request.getParameter("url");
// 生成二维码
BufferedImage image = QrCodeGenWrapper.of(url).asBufferedImage();
// 响应内容到浏览器
ImageIO.write(image,"PNG",response.getOutputStream());
}
catch(Exception e){
e.printStackTrace();
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.powernode</groupId>
<artifactId>MyQrCode</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<dependencies>
<!-- Servlet依赖-->
<dependency>
<groupId>jakarta.servlet</groupId>
<artifactId>jakarta.servlet-api</artifactId>
<version>6.0.0</version>
<scope>provided</scope>
</dependency>
<!-- GITHUB项目-->
<dependency>
<groupId>com.github.liuyueyi.media</groupId>
<artifactId>qrcode-plugin</artifactId>
<version>2.5.2</version>
</dependency>
<!-- zxing依赖-->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>javase</artifactId>
<version>3.1.0</version>
</dependency>
<!-- core依赖-->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.1.0</version>
</dependency>
<!-- commons-lang的依赖-->
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<!-- JSP依赖-->
<dependency>
<groupId>jakarta.servlet.jsp</groupId>
<artifactId>jakarta.servlet.jsp-api</artifactId>
<version>4.0.0-M1</version>
<scope>provided</scope>
</dependency>
</dependencies>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.powernode</groupId>
<artifactId>MyQrCode</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<dependencies>
<!-- Servlet依赖-->
<dependency>
<groupId>jakarta.servlet</groupId>
<artifactId>jakarta.servlet-api</artifactId>
<version>6.0.0</version>
<scope>provided</scope>
</dependency>
<!-- GITHUB项目-->
<dependency>
<groupId>com.github.liuyueyi.media</groupId>
<artifactId>qrcode-plugin</artifactId>
<version>2.5.2</version>
</dependency>
<!-- zxing依赖-->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>javase</artifactId>
<version>3.1.0</version>
</dependency>
<!-- core依赖-->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.1.0</version>
</dependency>
<!-- commons-lang的依赖-->
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<!-- JSP依赖-->
<dependency>
<groupId>jakarta.servlet.jsp</groupId>
<artifactId>jakarta.servlet.jsp-api</artifactId>
<version>4.0.0-M1</version>
<scope>provided</scope>
</dependency>
</dependencies>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<form action="/generateWithQrCode" method="post" enctype="multipart/form-data">
请输入文本内容:<input type="text" name="url"/><br>
请选择图片:<input type="file" name="logo"/><br>
<hr>
<input type="submit" value="生成二维码"/>
</form>
</body>
</html>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<form action="/generateWithQrCode" method="post" enctype="multipart/form-data">
请输入文本内容:<input type="text" name="url"/><br>
请选择图片:<input type="file" name="logo"/><br>
<hr>
<input type="submit" value="生成二维码"/>
</form>
</body>
</html>