Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: EntityPathResolver must not be null!
2019-04-26
Repository查询方法的规则定义：https://images2017.cnblogs.com/blog/779102/201707/779102-20170729001326368-156348206.png
2019-04-23
create table student(
id int not null auto_increment,
name varchar(20)not null,
age int not null,
primary key(id)
);
insert into student(name,age) values("zhangsan",20);
insert into student(name,age) values("lisi",21);
insert into student(name,age) values("wangwu",22);
id int not null auto_increment,
name varchar(20)not null,
age int not null,
primary key(id)
);
insert into student(name,age) values("zhangsan",20);
insert into student(name,age) values("lisi",21);
insert into student(name,age) values("wangwu",22);
最新回答 / 何小玄
<...code...>join 用上面方式查询，ProjectPoint 里有 PersonnelRecord 集合。group by 的还没用过，感觉上应该类似，都是封装成对象了。
2019-02-27
