新增二维码生成接口

src/main/java/com/gxwebsoft/common/core/controller/QrCodeController.java

@@ -0,0 +1,69 @@
+package com.gxwebsoft.common.core.controller;
+
+import cn.hutool.extra.qrcode.QrCodeUtil;
+import cn.hutool.extra.qrcode.QrConfig;
+import com.gxwebsoft.common.core.web.ApiResult;
+import com.gxwebsoft.common.core.web.BaseController;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletResponse;
+import java.awt.*;
+import java.io.IOException;
+
+/**
+ * 二维码生成控制器
+ *
+ * @author WebSoft
+ * @since 2025-08-18
+ */
+@RestController
+@RequestMapping("/api")
+@Tag(name = "二维码生成API")
+public class QrCodeController extends BaseController {
+
+    @Operation(summary = "生成二维码")
+    @GetMapping("/create-qr-code")
+    public void createQrCode(
+            @RequestParam("data") String data,
+            @RequestParam(value = "size", defaultValue = "200x200") String size,
+            HttpServletResponse response) throws IOException {
+
+        try {
+            // 解析尺寸
+            String[] dimensions = size.split("x");
+            int width = Integer.parseInt(dimensions[0]);
+            int height = dimensions.length > 1 ? Integer.parseInt(dimensions[1]) : width;
+
+            // 验证尺寸范围，防止过大的图片
+            if (width < 50 || width > 1000 || height < 50 || height > 1000) {
+                response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+                response.getWriter().write("尺寸必须在50-1000像素之间");
+                return;
+            }
+
+            // 配置二维码
+            QrConfig config = new QrConfig(width, height);
+            config.setMargin(1);
+            config.setForeColor(Color.BLACK);
+            config.setBackColor(Color.WHITE);
+
+            // 设置响应头
+            response.setContentType("image/png");
+            response.setHeader("Cache-Control", "no-cache");
+            response.setHeader("Content-Disposition", "inline; filename=qrcode.png");
+
+            // 生成二维码并直接输出到响应流
+            QrCodeUtil.generate(data, config, "png", response.getOutputStream());
+
+        } catch (NumberFormatException e) {
+            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+            response.getWriter().write("尺寸格式错误，请使用如：200x200 的格式");
+        } catch (Exception e) {
+            response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+            response.getWriter().write("生成二维码失败：" + e.getMessage());
+        }
+    }
+}

src/main/java/com/gxwebsoft/common/core/security/SecurityConfig.java

@@ -76,7 +76,8 @@ public class SecurityConfig {
                         "/api/hjm/hjm-car/**",
                         "/api/chat/**",
                         "/api/shop/getShopInfo",
-                        "/api/shop/shop-order/test"
+                        "/api/shop/shop-order/test",
+                        "/api/create-qr-code"
                   )
                 .permitAll()
                 .anyRequest()