完成RoomService类编写，通过单元测试

src/main/java/cn/mafangui/hotel/entity/Room.java

@@ -102,4 +102,20 @@ public class Room {
     public void setUpdateTime(Date updateTime) {
         this.updateTime = updateTime;
     }
+
+    @Override
+    public String toString() {
+        return "Room{" +
+                "roomId=" + roomId +
+                ", roomNumber='" + roomNumber + '\'' +
+                ", typeId=" + typeId +
+                ", roomType='" + roomType + '\'' +
+                ", roomPrice=" + roomPrice +
+                ", roomDiscount=" + roomDiscount +
+                ", roomStatus=" + roomStatus +
+                ", remark='" + remark + '\'' +
+                ", createTime=" + createTime +
+                ", updateTime=" + updateTime +
+                '}';
+    }
 }

src/main/java/cn/mafangui/hotel/mapper/RoomMapper.java

@@ -1,7 +1,10 @@
 package cn.mafangui.hotel.mapper;
 
 import cn.mafangui.hotel.entity.Room;
+import org.springframework.stereotype.Component;
 
+import java.util.List;
+@Component
 public interface RoomMapper {
     int deleteByPrimaryKey(Integer roomId);
 
@@ -14,4 +17,10 @@ public interface RoomMapper {
     int updateByPrimaryKeySelective(Room record);
 
     int updateByPrimaryKey(Room record);
+
+    List<Room> selectByType(Integer typeId);
+
+    List<Room> selectByStatus(Integer roomStatus);
+
+    List<Room> selectAll();
 }

src/main/java/cn/mafangui/hotel/service/RoomService.java

@@ -6,13 +6,11 @@ import java.util.List;
 
 
 public interface RoomService {
-    int addRoom(Room room);
-    int deleteRoom(int roomId);
-    int deleteRoom(String roomNumber);
-    int updateRoom(Room room);
-    Room findById(int roomId);
-    Room findByNumber(String roomNumber);
-    List<Room> findByStatus(String status);
-    List<Room> findByType(String typeName);
-    List<Room> findAll();
+    int insert(Room room);
+    int delete(int roomId);
+    int update(Room room);
+    Room selectById(int roomId);
+    List<Room> selectByStatus(int roomStatus);
+    List<Room> selectByType(int typeId);
+    List<Room> selectAll();
 }

src/main/java/cn/mafangui/hotel/service/impl/RoomServiceImpl.java

@@ -0,0 +1,50 @@
+package cn.mafangui.hotel.service.impl;
+
+import cn.mafangui.hotel.entity.Room;
+import cn.mafangui.hotel.mapper.RoomMapper;
+import cn.mafangui.hotel.service.RoomService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class RoomServiceImpl implements RoomService {
+    @Autowired
+    private RoomMapper roomMapper;
+
+    @Override
+    public int insert(Room room) {
+        return roomMapper.insertSelective(room);
+    }
+
+    @Override
+    public int delete(int roomId) {
+        return roomMapper.deleteByPrimaryKey(roomId);
+    }
+
+    @Override
+    public int update(Room room) {
+        return roomMapper.updateByPrimaryKeySelective(room);
+    }
+
+    @Override
+    public Room selectById(int roomId) {
+        return roomMapper.selectByPrimaryKey(roomId);
+    }
+
+    @Override
+    public List<Room> selectByStatus(int roomStatus) {
+        return roomMapper.selectByStatus(roomStatus);
+    }
+
+    @Override
+    public List<Room> selectByType(int typeId) {
+        return roomMapper.selectByType(typeId);
+    }
+
+    @Override
+    public List<Room> selectAll() {
+        return roomMapper.selectAll();
+    }
+}

src/main/resources/mybatis/mapper/RoomMapper.xml

@@ -23,6 +23,17 @@
     from room_info
     where room_id = #{roomId,jdbcType=INTEGER}
   </select>
+  <select id="selectByType" parameterType="Integer" resultMap="BaseResultMap">
+    select * from room_info
+    where type_id = #{typeId,jdbcType=INTEGER}
+  </select>
+  <select id="selectByStatus" parameterType="Integer" resultMap="BaseResultMap">
+    select * from room_info
+    where room_status = #{roomStatus,jdbcType=INTEGER}
+  </select>
+  <select id="selectAll" resultMap="BaseResultMap">
+    select * from room_info
+  </select>
   <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
     delete from room_info
     where room_id = #{roomId,jdbcType=INTEGER}
@@ -34,8 +45,8 @@
       update_time)
     values (#{roomId,jdbcType=INTEGER}, #{roomNumber,jdbcType=VARCHAR}, #{typeId,jdbcType=INTEGER}, 
       #{roomType,jdbcType=VARCHAR}, #{roomPrice,jdbcType=DOUBLE}, #{roomDiscount,jdbcType=DOUBLE}, 
-      #{roomStatus,jdbcType=INTEGER}, #{remark,jdbcType=VARCHAR}, #{createTime,jdbcType=TIMESTAMP}, 
-      #{updateTime,jdbcType=TIMESTAMP})
+      #{roomStatus,jdbcType=INTEGER}, #{remark,jdbcType=VARCHAR}, now(),
+      now())
   </insert>
   <insert id="insertSelective" parameterType="cn.mafangui.hotel.entity.Room">
     insert into room_info
@@ -64,12 +75,8 @@
       <if test="remark != null">
         remark,
       </if>
-      <if test="createTime != null">
         create_time,
-      </if>
-      <if test="updateTime != null">
         update_time,
-      </if>
     </trim>
     <trim prefix="values (" suffix=")" suffixOverrides=",">
       <if test="roomId != null">
@@ -96,12 +103,8 @@
       <if test="remark != null">
         #{remark,jdbcType=VARCHAR},
       </if>
-      <if test="createTime != null">
-        #{createTime,jdbcType=TIMESTAMP},
-      </if>
-      <if test="updateTime != null">
-        #{updateTime,jdbcType=TIMESTAMP},
-      </if>
+      now(),
+      now(),
     </trim>
   </insert>
   <update id="updateByPrimaryKeySelective" parameterType="cn.mafangui.hotel.entity.Room">
@@ -128,12 +131,7 @@
       <if test="remark != null">
         remark = #{remark,jdbcType=VARCHAR},
       </if>
-      <if test="createTime != null">
-        create_time = #{createTime,jdbcType=TIMESTAMP},
-      </if>
-      <if test="updateTime != null">
-        update_time = #{updateTime,jdbcType=TIMESTAMP},
-      </if>
+        update_time = now(),
     </set>
     where room_id = #{roomId,jdbcType=INTEGER}
   </update>
@@ -146,8 +144,7 @@
       room_discount = #{roomDiscount,jdbcType=DOUBLE},
       room_status = #{roomStatus,jdbcType=INTEGER},
       remark = #{remark,jdbcType=VARCHAR},
-      create_time = #{createTime,jdbcType=TIMESTAMP},
-      update_time = #{updateTime,jdbcType=TIMESTAMP}
+      update_time = now()
     where room_id = #{roomId,jdbcType=INTEGER}
   </update>
 </mapper>

src/test/java/cn/mafangui/hotel/service/impl/RoomServiceImplTest.java

@@ -0,0 +1,72 @@
+package cn.mafangui.hotel.service.impl;
+
+import cn.mafangui.hotel.entity.Room;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+
+@SpringBootTest
+@RunWith(SpringJUnit4ClassRunner.class)
+public class RoomServiceImplTest {
+
+    @Autowired
+    RoomServiceImpl roomService;
+
+    @Test
+    public void insert() {
+        Room room = new Room();
+        room.setRoomNumber("101");
+        room.setRoomPrice(123.0);
+        room.setRoomDiscount(12.1);
+        room.setRoomStatus(0);
+        room.setTypeId(1);
+        room.setRoomType("ade");
+        Assert.assertEquals(1,roomService.insert(room));
+    }
+
+    @Test
+    public void delete() {
+        Assert.assertEquals(1,roomService.delete(1));
+    }
+
+    @Test
+    public void update() {
+        Room room = new Room();
+        room.setRoomId(1);
+        room.setRoomNumber("222");
+        room.setRoomPrice(123.0);
+        room.setRoomDiscount(12.1);
+        room.setRoomStatus(0);
+        room.setTypeId(1);
+        room.setRoomType("ade");
+        Assert.assertEquals(1,roomService.update(room));
+    }
+
+    @Test
+    public void selectById() {
+        System.out.println(roomService.selectById(1));
+        Assert.assertEquals("222",roomService.selectById(1).getRoomNumber());
+    }
+
+    @Test
+    public void selectByStatus() {
+        System.out.println(roomService.selectByStatus(0));
+        Assert.assertEquals(1,roomService.selectByStatus(0).size());
+    }
+
+    @Test
+    public void selectByType() {
+        System.out.println(roomService.selectByType(1));
+        Assert.assertEquals(1,roomService.selectByType(1).size());
+    }
+
+    @Test
+    public void selectAll() {
+        System.out.println(roomService.selectAll());
+        Assert.assertEquals(1,roomService.selectAll().size());
+    }
+}