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+package org.springblade.modules.spzf.ewm.controller;
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+
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+
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+
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+import com.google.zxing.BarcodeFormat;
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+import com.google.zxing.EncodeHintType;
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+import com.google.zxing.MultiFormatWriter;
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+import com.google.zxing.common.BitMatrix;
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+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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+import lombok.AllArgsConstructor;
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+import org.apache.commons.lang3.StringUtils;
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+import org.springblade.common.cache.DictBizCache;
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+import org.springblade.core.tool.api.R;
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+import org.springblade.modules.spzf.ewm.pojo.entity.EwmShEntity;
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+import org.springblade.modules.spzf.ewm.service.IEwmShService;
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+import org.springframework.web.bind.annotation.*;
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+
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+import javax.imageio.ImageIO;
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+import java.awt.image.BufferedImage;
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+import java.io.File;
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+import java.io.FileOutputStream;
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+import java.net.URL;
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+
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+import java.util.HashMap;
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+import java.util.Map;
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+import java.util.UUID;
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+
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+@RestController
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+@AllArgsConstructor
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+@RequestMapping("qr/code")
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+public class QrCodeController{
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+
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+ private final IEwmShService ewmShService;
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+
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+ @PostMapping("/qrCodeUtil")
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+ public R qrCodeUtil(@RequestParam Integer num,@RequestParam String qhbm){
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+ if(num>0 && StringUtils.isNoneBlank(qhbm)){
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+ try {
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+ String yuming = DictBizCache.getValue("yuming", 2);
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+ for (int i = 0; i < num; i++) {
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+ // 准备一个Map集合，用来存放二维码的属性
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+ Map map = new HashMap();
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+ map.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
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+ map.put(EncodeHintType.CHARACTER_SET, "UTF-8");
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+ map.put(EncodeHintType.MARGIN, 1);
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+ // 获取文本内容
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+ String url = yuming+"?id=XWKJ-SPARG"+qhbm+"-"+UUID.randomUUID().toString().replace("-","");
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+// String url = "https://www.jlsxwkj.cn/?id=888888";
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+ // 创建zxing核心对象
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+ MultiFormatWriter writer = new MultiFormatWriter();
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+ BitMatrix bitMatrix = writer.encode(url, BarcodeFormat.QR_CODE, 300, 300, map);
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+ int width = bitMatrix.getWidth();
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+ int height = bitMatrix.getHeight();
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+
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+ // 生成二维码
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+ BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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+ for (int x = 0; x < width; x++) {
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+ for (int y = 0; y < height; y++) {
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+ bufferedImage.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
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+ }
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+ }
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+
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+// // 给二维码添加logo
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+// // 第一部分：将logo缩放。
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+// // 通过Part对象获取输入流
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+// FileInputStream inputStream = new FileInputStream(new File("D:\\desktop\\测试用例\\szx.png"));
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+// // 通过ImageIO的read方法，从输入流中读取，从而获得logo图片
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+// Image logoImage = ImageIO.read(inputStream);
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+// // 获取logo图片的宽度
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+// int logoWidth = logoImage.getWidth(null);
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+// // 获取logo图片的高度
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+// int logoHeight = logoImage.getHeight(null);
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+// // 如果logo的宽度或者高度大于100，则重新赋值100
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+// if (logoWidth > 60) {
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+// logoWidth = 60;
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+// }
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+// if (logoHeight > 60) {
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+// logoHeight = 60;
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+// }
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+// // 使用平滑缩放算法对原logo图像进行缩放得到一个全新的图像。
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+// Image scaledLogo = logoImage.getScaledInstance(logoWidth, logoHeight, Image.SCALE_SMOOTH);
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+//
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+// // 第二部分：将缩放后的logo画到黑白二维码上
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+// // 获取2D画笔
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+// Graphics2D graphics2D = bufferedImage.createGraphics();
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+// // 开始画的x和y坐标
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+// int x = (300 - logoWidth) / 2;
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+// int y = (300 - logoHeight) / 2;
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+// // 将缩放后的logo画上去
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+// graphics2D.drawImage(scaledLogo, x, y, null);
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+// // 创建一个具有指定位置、宽度、高度和圆角半径的圆角矩形。这个圆角矩形是用来绘制边框的。
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+// Shape shape = new RoundRectangle2D.Float(x, y, logoWidth, logoHeight, 10, 10);
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+// // 使用一个宽度为4像素的基本笔触
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+// graphics2D.setStroke(new BasicStroke(4f));
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+// // 给logo画圆角矩形
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+// graphics2D.draw(shape);
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+// // 释放画笔
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+// graphics2D.dispose();
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+
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+ URL qrUrl = new URL(url);
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+ String query = qrUrl.getQuery();
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+ String[] pair = query.split("=");
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+ String qrUrlId = pair[1];
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+ EwmShEntity ewmShEntity = new EwmShEntity();
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+ ewmShEntity.setEwmbs(qrUrlId);
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+ ewmShService.save(ewmShEntity);
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+ // 响应
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+ FileOutputStream out = new FileOutputStream(new File("C:\\shFiles\\"+qrUrlId+".png"));
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+ ImageIO.write(bufferedImage, "png",out);
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+ out.flush();
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+ out.close();
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+ }
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+ return R.success("生成二维码成功");
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ return R.fail(e.getMessage());
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+ }
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+ }
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+ return R.fail("请输入正确的参数值");
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+ }
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+
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+
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+}
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lidongxue