查询关键字
-and
And 例如：findByUsernameAndPassword(String user, Striang pwd)；
-or
Or 例如：findByUsernameOrAddress(String user, String addr)；
-between
Between 例如：SalaryBetween(int max, int min)；
-"<"
LessThan 例如： findBySalaryLessThan(int max)；
-">"
GreaterThan 例如： findBySalaryGreaterThan(int min)；
-is null
IsNull 例如： findByUsernameIsNull()；
-is not null
IsNotNull NotNull 与 IsNotNull 等价 例如： findByUsernameIsNotNull()；
-like
Like 例如： findByUsernameLike(String user)；
-not like
NotLike 例如： findByUsernameNotLike(String user)；
-order by
OrderBy 例如： findByUsernameOrderByNameAsc(String user)；直接通过name正序排序
-"!="
Not 例如： findByUsernameNot(String user)；
-in
In 例如： findByUsernameIn(Collection<String> userList) ，方法的参数可以是 Collection 类型，也可以是数组或者不定长参数；
-not in
NotIn 例如： findByUsernameNotIn(Collection<String> userList) ，方法的参数可以是 Collection 类型，也可以是数组或者不定长参数；
-Top/Limit
查询方法结果的数量可以通过关键字来限制，first 或者 top都可以使用。top/first加数字可以指定要返回最大结果的大小 默认为1
例如:
-
User findFirstByOrderByLastnameAsc();
-
User findTopByOrderByAgeDesc();
-
Page<User> queryFirst10ByLastname(String lastname, Pageable pageable);
-
Slice<User> findTop3ByLastname(String lastname, Pageable pageable);
-
List<User> findFirst10ByLastname(String lastname, Sort sort);
-
List<User> findTop10ByLastname(String lastname, Pageable pageable);
| 关键词 |
示例 |
对应的sql片段 |
| And
|
findByLastnameAndFirstname
|
… where x.lastname = ?1 and x.firstname = ?2
|
| Or
|
findByLastnameOrFirstname
|
… where x.lastname = ?1 or x.firstname = ?2
|
| Is,Equals
|
findByFirstname,findByFirstnameIs,findByFirstnameEquals
|
… where x.firstname = ?1
|
| Between
|
findByStartDateBetween
|
… where x.startDate between ?1 and ?2
|
| LessThan
|
findByAgeLessThan
|
… where x.age < ?1
|
| LessThanEqual
|
findByAgeLessThanEqual
|
… where x.age <= ?1
|
| GreaterThan
|
findByAgeGreaterThan
|
… where x.age > ?1
|
| GreaterThanEqual
|
findByAgeGreaterThanEqual
|
… where x.age >= ?1
|
| After
|
findByStartDateAfter
|
… where x.startDate > ?1
|
| Before
|
findByStartDateBefore
|
… where x.startDate < ?1
|
| IsNull
|
findByAgeIsNull
|
… where x.age is null
|
| IsNotNull,NotNull
|
findByAge(Is)NotNull
|
… where x.age not null
|
| Like
|
findByFirstnameLike
|
… where x.firstname like ?1
|
| NotLike
|
findByFirstnameNotLike
|
… where x.firstname not like ?1
|
| StartingWith
|
findByFirstnameStartingWith
|
… where x.firstname like ?1 (parameter bound with appended %)
|
| EndingWith
|
findByFirstnameEndingWith
|
… where x.firstname like ?1 (parameter bound with prepended %)
|
| Containing
|
findByFirstnameContaining
|
… where x.firstname like ?1 (parameter bound wrapped in %)
|
| OrderBy
|
findByAgeOrderByLastnameDesc
|
… where x.age = ?1 order by x.lastname desc
|
| Not
|
findByLastnameNot
|
… where x.lastname <> ?1
|
| In
|
findByAgeIn(Collection<Age> ages)
|
… where x.age in ?1
|
| NotIn
|
findByAgeNotIn(Collection<Age> ages)
|
… where x.age not in ?1
|
| True
|
findByActiveTrue()
|
… where x.active = true
|
| False
|
findByActiveFalse()
|
… where x.active = false
|
| IgnoreCase
|
findByFirstnameIgnoreCase
|
… where UPPER(x.firstame) = UPPER(?1)
|
