feat: add Coach CRUD - controller, mapper, service layer

src/main/java/edu/situ/stlserver/controller/CoachController.java

@@ -0,0 +1,26 @@
+package edu.situ.stlserver.controller;
+
+
+import edu.situ.stlserver.dao.CoachMapper;
+import edu.situ.stlserver.model.entity.Coach;
+import edu.situ.stlserver.model.vo.HttpResult;
+import edu.situ.stlserver.service.CoachService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/coach")
+public class CoachController {
+
+    @Autowired
+    private CoachService coachService;
+
+
+    @GetMapping
+    public HttpResult getByPage(Integer page , Integer limit , Coach coach)
+    {
+        return HttpResult.success(coachService.getByPage( page,limit,coach));
+    }
+}

src/main/java/edu/situ/stlserver/dao/CoachMapper.java

@@ -0,0 +1,33 @@
+package edu.situ.stlserver.dao;
+
+
+
+import edu.situ.stlserver.model.entity.Coach;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+@Mapper
+public interface CoachMapper {
+    // 查询全部
+    @Select(value = "SELECT * FROM coach")
+    List<Coach> selectAll();
+
+    @Select(value = {
+            "<script>",
+                "SELECT * FROM `coach`",
+                "<where>",
+                    "<if test=\"name != null AND name != ''\"> AND `name` LIKE CONCAT('%', #{name}, '%')</if>",
+                    "<if test=\"sex != null AND sex != 0\"> AND `sex` = #{sex}</if>",
+                    "<if test=\"quitDate != null AND quitDate != 1\">",
+                        "<choose>",
+                            "<when test=\"quitDate == 2\"> AND quit_date IS NULL</when>",
+                            "<when test=\"quitDate == 3\"> AND quit_date IS NOT NULL</when>",
+                        "</choose>",
+                    "</if>",
+                "</where>",
+            "</script>"
+    })
+    List<Coach> select(Coach coach);
+}

src/main/java/edu/situ/stlserver/model/vo/HttpResult.java

@@ -1,6 +1,7 @@
 package edu.situ.stlserver.model.vo;
 
 import cn.hutool.json.JSONUtil;
+
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.ToString;
@@ -52,6 +53,6 @@ public class HttpResult {
     }
 
     public String toJsonStr(){
-        return JSONUtil.toJsonStr(this)
+        return JSONUtil.toJsonStr(this);
     }
 }

src/main/java/edu/situ/stlserver/service/CoachService.java

@@ -0,0 +1,13 @@
+package edu.situ.stlserver.service;
+
+import com.github.pagehelper.PageInfo;
+import edu.situ.stlserver.model.entity.Coach;
+
+import java.util.List;
+
+
+
+public interface CoachService {
+    List<Coach> getAll();
+    PageInfo<Coach> getByPage(Integer page,Integer limit,Coach coach);
+}

src/main/java/edu/situ/stlserver/service/impl/CoachServiceImpl.java

@@ -0,0 +1,31 @@
+package edu.situ.stlserver.service.impl;
+
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import edu.situ.stlserver.dao.CoachMapper;
+import edu.situ.stlserver.model.entity.Coach;
+import edu.situ.stlserver.service.CoachService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class CoachServiceImpl implements CoachService {
+
+    @Autowired
+    private CoachMapper coachMapper;
+
+    @Override
+    public List<Coach> getAll() {
+        return coachMapper.selectAll();
+    }
+
+    @Override
+    public PageInfo<Coach> getByPage(Integer page, Integer limit, Coach coach) {
+        if(page == null) page=1;
+        if(limit == null) limit=10;
+        PageHelper.startPage(page,limit);
+        return new PageInfo<>(coachMapper.select(coach));
+    }
+}