public interface Chain<T> extends MPJBaseJoin<T>
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class)
JoinWrappers.lambda(User.class)
| 限定符和类型 | 方法和说明 |
|---|---|
default Long |
count()
链式调用 等效于MP mapper的 selectCount()
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
default T |
first()
链式调用 查询列表第一个 匹配多个不会抛异常
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
default <R> R |
first(Class<R> resultType)
链式调用 查询列表第一个 匹配多个不会抛异常
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
Class<T> |
getEntityClass() |
default List<T> |
list()
链式调用
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
default <R> List<R> |
list(Class<R> resultType)
链式调用
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
default T |
one()
链式调用 等效于 selectOne
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
default <R> R |
one(Class<R> resultType)
链式调用 等效于 selectJoinOne
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
default <P extends com.baomidou.mybatisplus.core.metadata.IPage<T>> |
page(P page)
链式调用
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
default <R,P extends com.baomidou.mybatisplus.core.metadata.IPage<R>> |
page(P page,
Class<R> resultType)
链式调用
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class) JoinWrappers.lambda(User.class) |
getDeleteLogicSql, getDeleteSql, getUnionSqldefault Long count()
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class)
JoinWrappers.lambda(User.class)
default T one()
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class)
JoinWrappers.lambda(User.class)
default <R> R one(Class<R> resultType)
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class)
JoinWrappers.lambda(User.class)
default T first()
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class)
JoinWrappers.lambda(User.class)
default <R> R first(Class<R> resultType)
构造方法必须传 class 或 entity 否则会报错
new MPJLambdaWrapper(User.class)
JoinWrappers.lambda(User.class)
default List<T> list()
default <R> List<R> list(Class<R> resultType)
default <P extends com.baomidou.mybatisplus.core.metadata.IPage<T>> P page(P page)
default <R,P extends com.baomidou.mybatisplus.core.metadata.IPage<R>> P page(P page,
Class<R> resultType)
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