类的使用
com.github.yulichang.wrapper.MPJLambdaWrapper

使用MPJLambdaWrapper的程序包

程序包	说明
com.github.yulichang.toolkit
com.github.yulichang.wrapper

com.github.yulichang.toolkit中MPJLambdaWrapper的使用

返回MPJLambdaWrapper的com.github.yulichang.toolkit中的方法

限定符和类型	方法和说明
static <T> MPJLambdaWrapper<T>	JoinWrappers.lambda() JoinWrappers.
static <T> MPJLambdaWrapper<T>	JoinWrappers.lambda(Class<T> clazz) JoinWrappers.lambda(User.class)
static <T> MPJLambdaWrapper<T>	JoinWrappers.lambda(String alias) JoinWrappers.
static <T> MPJLambdaWrapper<T>	JoinWrappers.lambda(String alias, Class<T> clazz) JoinWrappers.lambda("t", User.class)
static <T> MPJLambdaWrapper<T>	JoinWrappers.lambda(String alias, T entity) JoinWrappers.lambda("t", user)
static <T> MPJLambdaWrapper<T>	JoinWrappers.lambda(T entity) JoinWrappers.lambda(user)
static <T> MPJLambdaWrapper<T>	MPJWrappers.lambdaJoin() MPJWrappers.
static <T> MPJLambdaWrapper<T>	MPJWrappers.lambdaJoin(Class<T> entityClass)
static <T> MPJLambdaWrapper<T>	MPJWrappers.lambdaJoin(T entity)

参数类型为MPJLambdaWrapper的com.github.yulichang.toolkit中的方法

限定符和类型	方法和说明
static <T> String	WrapperUtils.buildSubSqlByWrapper(Class<T> clazz, MPJLambdaWrapper<T> wrapper, String alias)
static String	WrapperUtils.buildUnionSqlByWrapper(Class<?> clazz, MPJLambdaWrapper<?> wrapper)

com.github.yulichang.wrapper中MPJLambdaWrapper的使用

返回MPJLambdaWrapper的com.github.yulichang.wrapper中的方法

限定符和类型	方法和说明
MPJLambdaWrapper<T>	MPJLambdaWrapper.distinct() sql去重 select distinct
MPJLambdaWrapper<T>	MPJLambdaWrapper.getChildren()
protected MPJLambdaWrapper<T>	MPJLambdaWrapper.instance() 用于生成嵌套 sql 故 sqlSelect 不向下传递
protected MPJLambdaWrapper<T>	MPJLambdaWrapper.instance(Integer index, String keyWord, Class<?> joinClass, String tableName)
protected MPJLambdaWrapper<T>	MPJLambdaWrapper.instanceEmpty()
<E> MPJLambdaWrapper<T>	MPJLambdaWrapper.select(com.baomidou.mybatisplus.core.toolkit.support.SFunction<E,?>... columns) 设置查询字段
MPJLambdaWrapper<T>	MPJLambdaWrapper.selectAll(Class<?> clazz)
<E,F> MPJLambdaWrapper<T>	MPJLambdaWrapper.selectSub(Class<E> clazz, java.util.function.Consumer<MPJLambdaWrapper<E>> consumer, com.baomidou.mybatisplus.core.toolkit.support.SFunction<F,?> alias) 子查询
<E,F> MPJLambdaWrapper<T>	MPJLambdaWrapper.selectSub(Class<E> clazz, String st, java.util.function.Consumer<MPJLambdaWrapper<E>> consumer, com.baomidou.mybatisplus.core.toolkit.support.SFunction<F,?> alias) 子查询
<U> MPJLambdaWrapper<T>	MPJLambdaWrapper.union(Class<U> clazz, java.util.function.Consumer<MPJLambdaWrapper<U>> consumer) union 例： wrapper.union(UserDO.class, union -> union.selectAll(UserDO.class))
MPJLambdaWrapper<T>	MPJLambdaWrapper.union(MPJLambdaWrapper<?>... wrappers) 已过时。 union 不支持子查询
<U> MPJLambdaWrapper<T>	MPJLambdaWrapper.unionAll(Class<U> clazz, java.util.function.Consumer<MPJLambdaWrapper<U>> consumer) union 例： wrapper.unionAll(UserDO.class, union -> union.selectAll(UserDO.class))
MPJLambdaWrapper<T>	MPJLambdaWrapper.unionAll(MPJLambdaWrapper<?>... wrappers) 已过时。 union 不支持子查询

参数类型为MPJLambdaWrapper的com.github.yulichang.wrapper中的方法

限定符和类型	方法和说明
MPJLambdaWrapper<T>	MPJLambdaWrapper.union(MPJLambdaWrapper<?>... wrappers) 已过时。 union 不支持子查询
MPJLambdaWrapper<T>	MPJLambdaWrapper.unionAll(MPJLambdaWrapper<?>... wrappers) 已过时。 union 不支持子查询

类型变量类型为MPJLambdaWrapper的com.github.yulichang.wrapper中的方法参数

限定符和类型	方法和说明
<E,F> MPJLambdaWrapper<T>	MPJLambdaWrapper.selectSub(Class<E> clazz, java.util.function.Consumer<MPJLambdaWrapper<E>> consumer, com.baomidou.mybatisplus.core.toolkit.support.SFunction<F,?> alias) 子查询
<E,F> MPJLambdaWrapper<T>	MPJLambdaWrapper.selectSub(Class<E> clazz, String st, java.util.function.Consumer<MPJLambdaWrapper<E>> consumer, com.baomidou.mybatisplus.core.toolkit.support.SFunction<F,?> alias) 子查询
<U> MPJLambdaWrapper<T>	MPJLambdaWrapper.union(Class<U> clazz, java.util.function.Consumer<MPJLambdaWrapper<U>> consumer) union 例： wrapper.union(UserDO.class, union -> union.selectAll(UserDO.class))
<U> MPJLambdaWrapper<T>	MPJLambdaWrapper.unionAll(Class<U> clazz, java.util.function.Consumer<MPJLambdaWrapper<U>> consumer) union 例： wrapper.unionAll(UserDO.class, union -> union.selectAll(UserDO.class))