1

mybatis-test/src/main/java/com/alvin/db/service/impl/AccessRoleServiceImpl.java

@@ -4,7 +4,6 @@ import com.alvin.db.entity.AccessRole;
 import com.alvin.db.mapper.AccessRoleMapper;
 import com.alvin.db.service.IAccessRoleService;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
-import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -27,27 +26,27 @@ public class AccessRoleServiceImpl extends ServiceImpl<AccessRoleMapper, AccessR
 
     @PostConstruct
     public void init() {
-        //查询
+        ////查询
         //System.out.println("===byID");
         //System.out.println(accessRoleMapper.selectById(1));
-
+        //
         //System.out.println("===条件拼接");
         //LambdaQueryWrapper<AccessRole> wrapper = new LambdaQueryWrapper<>();
         //wrapper.select(AccessRole::getRoleName, AccessRole::getEnableFlag);  // select 指定字段
         //wrapper.select(AccessRole.class, i -> !i.getColumn().equals("delete_flag")); // select 忽略某些字段
         //wrapper.eq(AccessRole::getRoleCode, "designer");
-
+        //
         //List<AccessRole> accessRoles = accessRoleMapper.selectList(wrapper);
         //System.out.println(accessRoles);
-
-        //分页查询
-        LambdaQueryWrapper<AccessRole> wrapper = new LambdaQueryWrapper<>();
-        wrapper.gt(AccessRole::getId, 1);
-        Page<AccessRole> pageRes = accessRoleMapper.selectPage(new Page<>(1, 3), wrapper);
-        System.out.println(pageRes.getTotal());
-        System.out.println(pageRes.getRecords());
-
-
+        //
+        ////分页查询
+        //LambdaQueryWrapper<AccessRole> wrapper = new LambdaQueryWrapper<>();
+        //wrapper.gt(AccessRole::getId, 1);
+        //Page<AccessRole> pageRes = accessRoleMapper.selectPage(new Page<>(1, 3), wrapper);
+        //System.out.println(pageRes.getTotal());
+        //System.out.println(pageRes.getRecords());
+        //
+        //
         //AccessRole accessRole = new AccessRole();
         //accessRole.setRoleCode("");
         //accessRole.setRoleName("");
@@ -56,6 +55,24 @@ public class AccessRoleServiceImpl extends ServiceImpl<AccessRoleMapper, AccessR
         //accessRole.setVersion(0);
         //accessRole.setCreateBy("root");
         //accessRoleMapper.insert(accessRole);
+        //
+        //
+        ////批量插入
+        //ArrayList<AccessRole> accessRoles = new ArrayList<>();
+        //for (int i = 0; i < 100; i++) {
+        //    AccessRole accessRole = new AccessRole();
+        //    accessRole.setRoleCode("");
+        //    accessRole.setRoleName("");
+        //    accessRole.setEnableFlag(0);
+        //    accessRole.setDeleteFlag(0);
+        //    accessRole.setVersion(0);
+        //    accessRole.setCreateBy("root");
+        //    accessRoles.add(accessRole);
+        //}
+        //saveBatch(accessRoles, 1000);
+
+        //条件删除
+        accessRoleMapper.delete(new LambdaQueryWrapper<AccessRole>().ge(AccessRole::getId, 4));
 
     }