程序包 com.baomidou.mybatisplus.core.conditions.interfaces

接口 Func<Children,R>

所有超级接口:

java.io.Serializable

所有已知实现类:

AbstractLambdaWrapper, AbstractWrapper, LambdaQueryWrapper, LambdaUpdateWrapper, QueryWrapper, UpdateWrapper

public interface Func<Children,R>
extends java.io.Serializable

查询条件封装

从以下版本开始:

2017-05-26

作者:

hubin miemie HCL

方法概要

修饰符和类型	方法	说明
Children	func(boolean condition, java.util.function.Consumer<Children> consumer)	消费函数
default Children	func(java.util.function.Consumer<Children> consumer)	ignore
Children	geSql(boolean condition, R column, java.lang.String inValue)	字段 >= ( sql语句 )
default Children	geSql(R column, java.lang.String inValue)	ignore
Children	groupBy(boolean condition, java.util.List<R> columns)	分组：GROUP BY 字段, ...
Children	groupBy(boolean condition, R column)	分组：GROUP BY 字段, ...
Children	groupBy(boolean condition, R column, R... columns)	分组：GROUP BY 字段, ...
default Children	groupBy(java.util.List<R> columns)
default Children	groupBy(R column)
default Children	groupBy(R column, R... columns)
Children	gtSql(boolean condition, R column, java.lang.String inValue)	字段 > ( sql语句 )
default Children	gtSql(R column, java.lang.String inValue)	ignore
Children	having(boolean condition, java.lang.String sqlHaving, java.lang.Object... params)	HAVING ( sql语句 )
default Children	having(java.lang.String sqlHaving, java.lang.Object... params)	ignore
Children	in(boolean condition, R column, java.lang.Object... values)	字段 IN (v0, v1, ...)
Children	in(boolean condition, R column, java.util.Collection<?> coll)	字段 IN (value.get(0), value.get(1), ...)
default Children	in(R column, java.lang.Object... values)	ignore
default Children	in(R column, java.util.Collection<?> coll)	ignore
Children	inSql(boolean condition, R column, java.lang.String inValue)	字段 IN ( sql语句 )
default Children	inSql(R column, java.lang.String inValue)	ignore
Children	isNotNull(boolean condition, R column)	字段 IS NOT NULL
default Children	isNotNull(R column)	ignore
Children	isNull(boolean condition, R column)	字段 IS NULL
default Children	isNull(R column)	ignore
Children	leSql(boolean condition, R column, java.lang.String inValue)	字段 <= ( sql语句 )
default Children	leSql(R column, java.lang.String inValue)	ignore
Children	ltSql(boolean condition, R column, java.lang.String inValue)	字段 < ( sql语句 )
default Children	ltSql(R column, java.lang.String inValue)	ignore
Children	notIn(boolean condition, R column, java.lang.Object... values)	字段 NOT IN (v0, v1, ...)
Children	notIn(boolean condition, R column, java.util.Collection<?> coll)	字段 NOT IN (value.get(0), value.get(1), ...)
default Children	notIn(R column, java.lang.Object... value)	ignore
default Children	notIn(R column, java.util.Collection<?> coll)	ignore
Children	notInSql(boolean condition, R column, java.lang.String inValue)	字段 NOT IN ( sql语句 )
default Children	notInSql(R column, java.lang.String inValue)	ignore
Children	orderBy(boolean condition, boolean isAsc, java.util.List<R> columns)	排序：ORDER BY 字段, ...
Children	orderBy(boolean condition, boolean isAsc, R column)	排序：ORDER BY 字段, ...
Children	orderBy(boolean condition, boolean isAsc, R column, R... columns)	排序：ORDER BY 字段, ...
default Children	orderByAsc(boolean condition, java.util.List<R> columns)	排序：ORDER BY 字段, ...
default Children	orderByAsc(boolean condition, R column)	排序：ORDER BY 字段, ...
default Children	orderByAsc(boolean condition, R column, R... columns)	排序：ORDER BY 字段, ...
default Children	orderByAsc(java.util.List<R> columns)
default Children	orderByAsc(R column)
default Children	orderByAsc(R column, R... columns)
default Children	orderByDesc(boolean condition, java.util.List<R> columns)	排序：ORDER BY 字段, ...
default Children	orderByDesc(boolean condition, R column)	排序：ORDER BY 字段, ...
default Children	orderByDesc(boolean condition, R column, R... columns)	排序：ORDER BY 字段, ...
default Children	orderByDesc(java.util.List<R> columns)
default Children	orderByDesc(R column)
default Children	orderByDesc(R column, R... columns)

方法详细资料

isNull

default Children isNull(R column)

ignore

isNull

Children isNull(boolean condition,
                R column)

字段 IS NULL

例: isNull("name")

参数:

condition - 执行条件

column - 字段

返回:

children

isNotNull

default Children isNotNull(R column)

ignore

isNotNull

Children isNotNull(boolean condition,
                   R column)

字段 IS NOT NULL

例: isNotNull("name")

参数:

condition - 执行条件

column - 字段

返回:

children

in

default Children in(R column,
                    java.util.Collection<?> coll)

ignore

in

Children in(boolean condition,
            R column,
            java.util.Collection<?> coll)

字段 IN (value.get(0), value.get(1), ...)

例: in("id", Arrays.asList(1, 2, 3, 4, 5))

注意！集合为空若存在逻辑错误，请在 condition 条件中判断 如果集合为 empty 则不会进行 sql 拼接

参数:

condition - 执行条件

column - 字段

coll - 数据集合

返回:

children

in

default Children in(R column,
                    java.lang.Object... values)

ignore

in

Children in(boolean condition,
            R column,
            java.lang.Object... values)

字段 IN (v0, v1, ...)

例: in("id", 1, 2, 3, 4, 5)

注意！数组为空若存在逻辑错误，请在 condition 条件中判断 如果动态数组为 empty 则不会进行 sql 拼接

参数:

condition - 执行条件

column - 字段

values - 数据数组

返回:

children

notIn

default Children notIn(R column,
                       java.util.Collection<?> coll)

ignore

notIn

Children notIn(boolean condition,
               R column,
               java.util.Collection<?> coll)

字段 NOT IN (value.get(0), value.get(1), ...)

例: notIn("id", Arrays.asList(1, 2, 3, 4, 5))

参数:

condition - 执行条件

column - 字段

coll - 数据集合

返回:

children

notIn

default Children notIn(R column,
                       java.lang.Object... value)

ignore

notIn

Children notIn(boolean condition,
               R column,
               java.lang.Object... values)

字段 NOT IN (v0, v1, ...)

例: notIn("id", 1, 2, 3, 4, 5)

参数:

condition - 执行条件

column - 字段

values - 数据数组

返回:

children

inSql

default Children inSql(R column,
                       java.lang.String inValue)

ignore

inSql

Children inSql(boolean condition,
               R column,
               java.lang.String inValue)

字段 IN ( sql语句 )

!! sql 注入方式的 in 方法 !!

例1: inSql("id", "1, 2, 3, 4, 5, 6")

例2: inSql("id", "select id from table where id < 3")

参数:

condition - 执行条件

column - 字段

inValue - sql语句

返回:

children

gtSql

Children gtSql(boolean condition,
               R column,
               java.lang.String inValue)

字段 > ( sql语句 )

例1: gtSql("id", "1, 2, 3, 4, 5, 6")

例1: gtSql("id", "select id from table where name = 'JunJun'")

参数:

condition -

column -

inValue -

返回:

gtSql

default Children gtSql(R column,
                       java.lang.String inValue)

ignore

geSql

Children geSql(boolean condition,
               R column,
               java.lang.String inValue)

字段 >= ( sql语句 )

例1: geSql("id", "1, 2, 3, 4, 5, 6")

例1: geSql("id", "select id from table where name = 'JunJun'")

参数:

condition -

column -

inValue -

返回:

geSql

default Children geSql(R column,
                       java.lang.String inValue)

ignore

ltSql

Children ltSql(boolean condition,
               R column,
               java.lang.String inValue)

字段 < ( sql语句 )

例1: ltSql("id", "1, 2, 3, 4, 5, 6")

例1: ltSql("id", "select id from table where name = 'JunJun'")

参数:

condition -

column -

inValue -

返回:

ltSql

default Children ltSql(R column,
                       java.lang.String inValue)

ignore

leSql

Children leSql(boolean condition,
               R column,
               java.lang.String inValue)

字段 <= ( sql语句 )

例1: leSql("id", "1, 2, 3, 4, 5, 6")

例1: leSql("id", "select id from table where name = 'JunJun'")

参数:

condition -

column -

inValue -

返回:

leSql

default Children leSql(R column,
                       java.lang.String inValue)

ignore

notInSql

default Children notInSql(R column,
                          java.lang.String inValue)

ignore

notInSql

Children notInSql(boolean condition,
                  R column,
                  java.lang.String inValue)

字段 NOT IN ( sql语句 )

!! sql 注入方式的 not in 方法 !!

例1: notInSql("id", "1, 2, 3, 4, 5, 6")

例2: notInSql("id", "select id from table where id < 3")

参数:

condition - 执行条件

column - 字段

inValue - sql语句 ---> 1,2,3,4,5,6 或者 select id from table where id < 3

返回:

children

groupBy

Children groupBy(boolean condition,
                 R column)

分组：GROUP BY 字段, ...

例: groupBy("id")

参数:

condition - 执行条件

column - 单个字段

返回:

children

groupBy

default Children groupBy(R column)

groupBy

Children groupBy(boolean condition,
                 java.util.List<R> columns)

分组：GROUP BY 字段, ...

例: groupBy(Arrays.asList("id", "name"))

参数:

condition - 执行条件

columns - 字段数组

返回:

children

groupBy

default Children groupBy(java.util.List<R> columns)

groupBy

default Children groupBy(R column,
                         R... columns)

groupBy

Children groupBy(boolean condition,
                 R column,
                 R... columns)

分组：GROUP BY 字段, ...

orderByAsc

default Children orderByAsc(boolean condition,
                            R column)

排序：ORDER BY 字段, ... ASC

例: orderByAsc(true, "id")

参数:

condition - 执行条件

column - 单个字段

返回:

children

orderByAsc

default Children orderByAsc(R column)

orderByAsc

default Children orderByAsc(boolean condition,
                            java.util.List<R> columns)

排序：ORDER BY 字段, ... ASC

例: orderByAsc(true, Arrays.asList("id", "name"))

参数:

condition - 执行条件

columns - 字段数组

返回:

children

orderByAsc

default Children orderByAsc(java.util.List<R> columns)

orderByAsc

default Children orderByAsc(R column,
                            R... columns)

orderByAsc

default Children orderByAsc(boolean condition,
                            R column,
                            R... columns)

排序：ORDER BY 字段, ... ASC

orderByDesc

default Children orderByDesc(boolean condition,
                             R column)

排序：ORDER BY 字段, ... DESC

例: orderByDesc(true, "id")

参数:

condition - 执行条件

column - 字段

返回:

children

orderByDesc

default Children orderByDesc(R column)

orderByDesc

default Children orderByDesc(boolean condition,
                             java.util.List<R> columns)

排序：ORDER BY 字段, ... DESC

例: orderByDesc(true, Arrays.asList("id", "name"))

参数:

condition - 执行条件

columns - 字段列表

返回:

children

orderByDesc

default Children orderByDesc(java.util.List<R> columns)

orderByDesc

default Children orderByDesc(R column,
                             R... columns)

orderByDesc

default Children orderByDesc(boolean condition,
                             R column,
                             R... columns)

排序：ORDER BY 字段, ... DESC

orderBy

Children orderBy(boolean condition,
                 boolean isAsc,
                 R column)

排序：ORDER BY 字段, ...

例: orderBy(true, "id")

参数:

condition - 执行条件

isAsc - 是否是 ASC 排序

column - 单个字段

返回:

children

orderBy

Children orderBy(boolean condition,
                 boolean isAsc,
                 java.util.List<R> columns)

排序：ORDER BY 字段, ...

例: orderBy(true, Arrays.asList("id", "name"))

参数:

condition - 执行条件

isAsc - 是否是 ASC 排序

columns - 字段列表

返回:

children

orderBy

Children orderBy(boolean condition,
                 boolean isAsc,
                 R column,
                 R... columns)

排序：ORDER BY 字段, ...

having

default Children having(java.lang.String sqlHaving,
                        java.lang.Object... params)

ignore

having

Children having(boolean condition,
                java.lang.String sqlHaving,
                java.lang.Object... params)

HAVING ( sql语句 )

例1: having("sum(age) > 10")

例2: having("sum(age) > {0}", 10)

参数:

condition - 执行条件

sqlHaving - sql 语句

params - 参数数组

返回:

children

func

default Children func(java.util.function.Consumer<Children> consumer)

ignore

func

Children func(boolean condition,
              java.util.function.Consumer<Children> consumer)

消费函数

参数:

consumer - 消费函数

返回:

children

从以下版本开始:

3.3.1