更新notice

src/main/java/com/lovenav/service/serviceImpl/NoticeServiceImpl.java

@@ -0,0 +1,67 @@
+package com.lovenav.service.serviceImpl;
+
+import com.alibaba.fastjson.JSON;
+import com.lovenav.dao.NoticeDao;
+import com.lovenav.entity.Notice;
+import com.lovenav.service.NoticeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.HashMap;
+
+@Service
+public class NoticeServiceImpl implements NoticeService {
+    @Autowired
+    private NoticeDao noticeDao;
+    public String add(Notice notice){
+        HashMap<String,Object> hashMap = new HashMap<>();
+        int result = noticeDao.insert(notice);
+        if(result>0){
+            hashMap.put("code",200);
+            hashMap.put("msg","添加成功");
+            return JSON.toJSONString(hashMap);
+        }else{
+            hashMap.put("code",500);
+            hashMap.put("msg","添加成功");
+            return JSON.toJSONString(hashMap);
+        }
+    }
+    public String delete(int id){
+        HashMap<String,Object> hashMap = new HashMap<>();
+        int result = noticeDao.deleteByPrimaryKey(id);
+        if(result>0){
+            hashMap.put("code",200);
+            hashMap.put("msg","删除成功");
+            return JSON.toJSONString(hashMap);
+        }else{
+            hashMap.put("code",500);
+            hashMap.put("msg","删除失败");
+            return JSON.toJSONString(hashMap);
+        }
+    }
+    public String select(int id){
+        HashMap<String,Object> hashMap = new HashMap<>();
+        Notice result = noticeDao.selectByPrimaryKey(id);
+        if(result != null){
+            return JSON.toJSONString(result);
+        }else{
+            hashMap.put("code",500);
+            hashMap.put("msg","查找失败");
+            return JSON.toJSONString(hashMap);
+        }
+    }
+    public String update(Notice notice){
+        HashMap<String,Object> hashMap = new HashMap<>();
+        int result = noticeDao.updateByPrimaryKeySelective(notice);
+        if(result > 0){
+            hashMap.put("code",200);
+            hashMap.put("msg","修改成功");
+            return JSON.toJSONString(hashMap);
+        }else{
+            hashMap.put("code",500);
+            hashMap.put("msg","修改失败");
+            return JSON.toJSONString(hashMap);
+        }
+    }
+
+}