package com.powernode.qrcode.servlet; import com.github.hui.quick.plugin.qrcode.wrapper.QrCodeGenWrapper; import com.github.hui.quick.plugin.qrcode.wrapper.QrCodeOptions; import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; 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.*; import java.awt.image.BufferedImage; import java.io.IOException; @WebServlet("/generateWithQrCodeGit") //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(); // BufferedImage image = QrCodeGenWrapper.of(url). // setLogo(request.getPart("logo").getInputStream()). // setLogoRate(7).//设置图片与二维码的比例,这里设置的是LOGO是二维码的七分之一 // setLogoStyle(QrCodeOptions.LogoStyle.ROUND).//设置LOGO图片的样式,将LOGO的边框设置为圆形 // asBufferedImage(); // 生成彩色二维码 // BufferedImage image = QrCodeGenWrapper.of(url) // .setDrawPreColor(Color.BLUE)//设置二维码颜色 // .asBufferedImage(); // 生成带有背景图的二维码 // BufferedImage image = QrCodeGenWrapper.of(url) // .setBgImg(request.getPart("logo").getInputStream()) // .setBgOpacity(0.7F)//设置透明度 // .asBufferedImage(); // 生成特殊形状的二维码 // BufferedImage image = QrCodeGenWrapper.of(url) // .setDrawEnableScale(true)//启用二维码绘制时的缩小放大功能 // .setDrawStyle(QrCodeOptions.DrawStyle.DIAMOND)//指定绘制样式采用钻石 // .asBufferedImage(); // 生成图片填充二维码 BufferedImage image = QrCodeGenWrapper.of(url) .setErrorCorrection(ErrorCorrectionLevel.H)//设置二维码的错误纠正级别 .setDrawStyle(QrCodeOptions.DrawStyle.IMAGE)//绘制二维码时采用图片填充 .addImg(1,1,request.getPart("logo").getInputStream())//添加图片 .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 com.github.hui.quick.plugin.qrcode.wrapper.QrCodeOptions; import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; 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.*; import java.awt.image.BufferedImage; import java.io.IOException; @WebServlet("/generateWithQrCodeGit") //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(); // BufferedImage image = QrCodeGenWrapper.of(url). // setLogo(request.getPart("logo").getInputStream()). // setLogoRate(7).//设置图片与二维码的比例,这里设置的是LOGO是二维码的七分之一 // setLogoStyle(QrCodeOptions.LogoStyle.ROUND).//设置LOGO图片的样式,将LOGO的边框设置为圆形 // asBufferedImage(); // 生成彩色二维码 // BufferedImage image = QrCodeGenWrapper.of(url) // .setDrawPreColor(Color.BLUE)//设置二维码颜色 // .asBufferedImage(); // 生成带有背景图的二维码 // BufferedImage image = QrCodeGenWrapper.of(url) // .setBgImg(request.getPart("logo").getInputStream()) // .setBgOpacity(0.7F)//设置透明度 // .asBufferedImage(); // 生成特殊形状的二维码 // BufferedImage image = QrCodeGenWrapper.of(url) // .setDrawEnableScale(true)//启用二维码绘制时的缩小放大功能 // .setDrawStyle(QrCodeOptions.DrawStyle.DIAMOND)//指定绘制样式采用钻石 // .asBufferedImage(); // 生成图片填充二维码 BufferedImage image = QrCodeGenWrapper.of(url) .setErrorCorrection(ErrorCorrectionLevel.H)//设置二维码的错误纠正级别 .setDrawStyle(QrCodeOptions.DrawStyle.IMAGE)//绘制二维码时采用图片填充 .addImg(1,1,request.getPart("logo").getInputStream())//添加图片 .asBufferedImage(); // 响应内容到浏览器 ImageIO.write(image,"PNG",response.getOutputStream()); } catch(Exception e){ e.printStackTrace(); } } }
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <form action="/generateWithQrCodeGit" 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="/generateWithQrCodeGit" 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>