【新增】教程接口控制器

src/main/java/com/corewing/app/controller/CourseController.java

@@ -0,0 +1,74 @@
+package com.corewing.app.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.corewing.app.common.Result;
+import com.corewing.app.entity.Course;
+import com.corewing.app.entity.CourseCategory;
+import com.corewing.app.service.CourseCategoryService;
+import com.corewing.app.service.CourseService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * 教程接口
+ */
+@RequestMapping("/course")
+@RestController
+public class CourseController {
+
+    private final CourseService courseService;
+    private final CourseCategoryService courseCategoryService;
+
+    public CourseController(CourseService courseService, CourseCategoryService courseCategoryService) {
+        this.courseService = courseService;
+        this.courseCategoryService = courseCategoryService;
+    }
+
+    /**
+     * 分类查询列表
+     *
+     * @param firstStatus  置首状态（选填）
+     *
+     */
+    @GetMapping("/category")
+    public Result<List<CourseCategory>> category(
+            @RequestParam(required = false, defaultValue = "0") Integer firstStatus
+    ) {
+        LambdaQueryWrapper<CourseCategory> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(firstStatus != 0, CourseCategory::getFirstStatus, firstStatus);
+        List<CourseCategory> list = courseCategoryService.list(wrapper);
+        return Result.success(list);
+    }
+
+    /**
+     * 分页查询教程列表
+     *
+     * @param current      当前页码
+     * @param size         每页数量
+     * @param categoryId   分类ID（选填）
+     * @param courseTitle  教程标题（选填）
+     *
+     */
+    @GetMapping("/page")
+    public Result<IPage<Course>> getPageList(
+            @RequestParam(defaultValue = "1") Long current,
+            @RequestParam(defaultValue = "10") Long size,
+            @RequestParam(required = false, defaultValue = "0") Integer categoryId,
+            @RequestParam(required = false) String courseTitle) {
+        try {
+            Page<Course> page = new Page<>(current, size);
+            IPage<Course> pageResult = courseService.pageList(page, categoryId, courseTitle);
+            return Result.success(pageResult);
+        } catch (Exception e) {
+            return Result.error(e.getMessage());
+        }
+    }
+
+
+}