init

server-db/src/main/java/cn/exploring/engine/server/db/service/ClassService.java

 package cn.exploring.engine.server.db.service;
 
+import cn.exploring.engine.server.db.dao.ClassInfoMapper;
+import cn.exploring.engine.server.db.domain.ClassInfo;
+import cn.exploring.engine.server.db.domain.ClassInfoExample;
 import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.annotation.Resource;
+import java.time.LocalDateTime;
+import java.util.List;
 
 @Service
 public class ClassService {
 
+    @Resource
+    ClassInfoMapper classInfoMapper;
+
+    public List<ClassInfo> selectClass(String className) {
+        ClassInfoExample example = new ClassInfoExample();
+        ClassInfoExample.Criteria criteria = example.createCriteria();
+
+        criteria.andDeletedEqualTo(false);
+        criteria.andClassNameEqualTo(className);
+        return classInfoMapper.selectByExample(example);
+    }
+
+    public List<ClassInfo> webSelectClass(String className, List<Integer> idList) {
+        ClassInfoExample example = new ClassInfoExample();
+        ClassInfoExample.Criteria criteria = example.createCriteria();
+
+        criteria.andDeletedEqualTo(false);
+        if (!StringUtils.isEmpty(className)) {
+            criteria.andClassNameLike("%" + className + "%");
+        }
+        if (idList != null && idList.size() > 0) {
+            criteria.andIdIn(idList);
+        }
+        criteria.andClassNameEqualTo(className);
+        return classInfoMapper.selectByExample(example);
+    }
+
+    /**
+     * 添加班级信息
+     * @param className
+     * @return
+     */
+    public Object addClassInfo(String className) {
+        List<ClassInfo> classInfoList = selectClass(className);
+        if (classInfoList != null && classInfoList.size() != 0) {
+            return "当前已存在该班级";
+        }
+        ClassInfo classInfo = new ClassInfo();
+        LocalDateTime now = LocalDateTime.now();
+        classInfo.setAddTime(now);
+        classInfo.setUpdateTime(now);
+        classInfo.setDeleted(false);
+        classInfo.setClassName(className);
+        classInfoMapper.insertSelective(classInfo);
+        return "添加班级成功";
+    }
+
+    public void updateClassInfo(ClassInfo classInfo) {
+        LocalDateTime now = LocalDateTime.now();
+        classInfo.setUpdateTime(now);
+        classInfoMapper.updateByPrimaryKey(classInfo);
+    }
+
+    public Object batchDeletedData(List<Integer> idList) {
+        List<ClassInfo> classInfoList = webSelectClass(null, idList);
+        classInfoList.forEach(x -> {
+            x.setDeleted(null);
+            updateClassInfo(x);
+        });
+        return "batch deleted  OK";
+    }
+
 
 }