add app diy controller

mall-service/src/main/java/com/txz/mall/controller/appcontroller/DiyController.java

@@ -0,0 +1,41 @@
+package com.txz.mall.controller.appcontroller;
+
+import cn.hutool.core.util.ObjectUtil;
+import com.txz.mall.core.Result;
+import com.txz.mall.model.Diy;
+import com.txz.mall.service.DiyService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * app  diy
+ *
+ * @author: MTD®️
+ * @date: 2026/2/4
+ */
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/app/diy")
+public class DiyController {
+    
+    private final DiyService diyService;
+    
+    /**
+     * 详情
+     */
+    @GetMapping("info/{id:^\\d+$}")
+    public Result info(@PathVariable("id") Long id) {
+        Diy info = diyService.getById(id);
+        if (ObjectUtil.isEmpty(info)) {
+            return Result.fail("数据不存在");
+        }
+        if (!info.getStatus()) {
+            return Result.fail("数据不存在");
+        }
+        return Result.success(info);
+    }
+}