com.github.yulichang.wrapper

类 MPJLambdaWrapper<T>

java.lang.Object

com.baomidou.mybatisplus.core.conditions.Wrapper<T>

com.github.yulichang.wrapper.MPJAbstractWrapper<T,Children>

com.github.yulichang.wrapper.MPJAbstractLambdaWrapper<T,MPJLambdaWrapper<T>>

com.github.yulichang.wrapper.MPJLambdaWrapper<T>

所有已实现的接口:

com.baomidou.mybatisplus.core.conditions.interfaces.Nested<MPJLambdaWrapper<T>,MPJLambdaWrapper<T>>, com.baomidou.mybatisplus.core.conditions.ISqlSegment, MPJBaseJoin<T>, StringJoin<MPJLambdaWrapper<T>,T>, Chain<T>, Compare<MPJLambdaWrapper<T>>, CompareStr<MPJLambdaWrapper<T>,String>, Func<MPJLambdaWrapper<T>>, FuncStr<MPJLambdaWrapper<T>,String>, Join<MPJLambdaWrapper<T>>, OnCompare<MPJLambdaWrapper<T>>, Query<MPJLambdaWrapper<T>>, QueryJoin<MPJLambdaWrapper<T>,T>, QueryLabel<MPJLambdaWrapper<T>>, SelectWrapper<T,MPJLambdaWrapper<T>>, Serializable

public class MPJLambdaWrapper<T>
extends MPJAbstractLambdaWrapper<T,MPJLambdaWrapper<T>>
implements Query<MPJLambdaWrapper<T>>, QueryLabel<MPJLambdaWrapper<T>>, Chain<T>, SelectWrapper<T,MPJLambdaWrapper<T>>

参考 LambdaQueryWrapper Lambda 语法使用 Wrapper

作者:

yulichang

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 com.github.yulichang.wrapper.MPJAbstractWrapper

MPJAbstractWrapper.DoSomething

字段概要

从类继承的字段 com.github.yulichang.wrapper.MPJAbstractLambdaWrapper

alias, dynamicTableName, from, hasAlias, keyWord, logicDelType, logicSql, resultMap, subLogicSql, subTableAlias, tableFunc, tableIndex

从类继承的字段 com.github.yulichang.wrapper.MPJAbstractWrapper

checkSqlInjection, expression, index, isMain, isNo, joinClass, lastSql, onWrappers, paramAlias, paramNameSeq, paramNameValuePairs, sqlComment, sqlFirst, tableList, tableName, typedThis

构造器概要

构造器

构造器和说明
MPJLambdaWrapper() 推荐使用 带 class 的构造方法
MPJLambdaWrapper(Class<T> clazz) 推荐使用此构造方法
MPJLambdaWrapper(Class<T> clazz, String alias) 构造方法
MPJLambdaWrapper(String alias) 自定义主表别名
MPJLambdaWrapper(T entity) 构造方法
MPJLambdaWrapper(T entity, String alias) 构造方法

方法概要

限定符和类型	方法和说明
void	addLabel(Label<?> label)
void	clear()
MPJLambdaWrapper<T>	distinct() sql去重 select distinct
MPJLambdaWrapper<T>	getChildren()
List<Select>	getSelectColum()
boolean	getSelectDistinct()
String	getSqlSelect() 查询条件 SQL 片段
String	getUnionSql()
protected MPJLambdaWrapper<T>	instance() 用于生成嵌套 sql 故 sqlSelect 不向下传递
protected MPJLambdaWrapper<T>	instance(Integer index, String keyWord, Class<?> joinClass, String tableName)
protected MPJLambdaWrapper<T>	instanceEmpty()
<E> MPJLambdaWrapper<T>	select(com.baomidou.mybatisplus.core.toolkit.support.SFunction<E,?>... columns) 设置查询字段
MPJLambdaWrapper<T>	selectAll(Class<?> clazz) 查询实体类全部字段
<E,F> MPJLambdaWrapper<T>	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>	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
MPJLambdaWrapper<T>	union(MPJLambdaWrapper<?>... wrappers) union
<E,F> MPJLambdaWrapper<T>	unionAll(MPJLambdaWrapper<T>... wrappers) union all

从类继承的方法 com.github.yulichang.wrapper.MPJAbstractLambdaWrapper

columnsToString, columnToString, columnToString, disableLogicDel, disableSubLogicDel, enableLogicDel, enableSubLogicDel, getCache, getDefault, getFrom, getLogicSql, getSubLogicSql, getTableName, getTableNameEnc, initNeed, isUseAnnotationOrderBy, join, join, logicDelToOn, logicDelToWhere, setTableName

从类继承的方法 com.github.yulichang.wrapper.MPJAbstractWrapper

addCondition, addCondition, addCondition, addNestedCondition, allEq, allEq, allEqStr, allEqStr, and, and, appendSqlSegments, apply, between, between, checkSqlInjection, clone, columnSqlInjectFilter, columnsToString, columnsToString, columnToSqlSegment, columnToSqlSegment, columnToSqlSegmentS, columnToString, comment, eq, eq, eq, exists, first, formatParam, formatSqlMaybeWithParam, func, ge, ge, ge, geSql, geSql, getEntity, getEntityClass, getExpression, getParamAlias, getParamNameValuePairs, getSqlComment, getSqlFirst, getSqlSegment, groupBy, groupBy, groupBy, groupBy, groupByStr, gt, gt, gt, gtSql, gtSql, having, in, in, in, in, inExpression, inExpression, inSql, inSql, isNotNull, isNotNull, isNull, isNull, last, le, le, le, leSql, leSql, like, like, likeLeft, likeLeft, likeRight, likeRight, likeValue, likeValue, lt, lt, lt, ltSql, ltSql, maybeDo, ne, ne, ne, nested, not, not, notBetween, notBetween, notExists, notIn, notIn, notIn, notIn, notInSql, notInSql, notLike, notLike, or, or, orderBy, orderBy, orderBy, orderByAsc, orderByDesc, orderByStr, setEntity, setEntityClass, setParamAlias

从类继承的方法 com.baomidou.mybatisplus.core.conditions.Wrapper

getCustomSqlSegment, getSqlSet, getTargetSql, isEmptyOfEntity, isEmptyOfNormal, isEmptyOfWhere, isNonEmptyOfEntity, isNonEmptyOfNormal, isNonEmptyOfWhere, nonEmptyOfEntity, nonEmptyOfNormal, nonEmptyOfWhere

从类继承的方法 java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 com.github.yulichang.wrapper.interfaces.Query

getAlias, getIndex, isHasAlias, select, select, selectAll, selectAs, selectAs, selectAs, selectAs, selectAsClass, selectAvg, selectAvg, selectAvg, selectCount, selectCount, selectCount, selectCount, selectCount, selectFilter, selectFunc, selectFunc, selectFunc, selectFunc, selectFunc, selectFunc, selectFunc, selectLen, selectLen, selectLen, selectMax, selectMax, selectMax, selectMin, selectMin, selectMin, selectSum, selectSum, selectSum

从接口继承的方法 com.github.yulichang.wrapper.interfaces.QueryLabel

selectAssociation, selectAssociation, selectAssociation, selectAssociation, selectAssociation, selectCollection, selectCollection, selectCollection, selectCollection, selectCollection

从接口继承的方法 com.github.yulichang.wrapper.interfaces.Chain

count, first, first, getEntityClass, list, list, one, one, page, page

从接口继承的方法 com.github.yulichang.wrapper.interfaces.SelectWrapper

getEntityClass, getResultMapMybatisLabel, getSelectColumns, isResultMap, setEntityClass

从接口继承的方法 com.github.yulichang.wrapper.interfaces.QueryJoin

fullJoin, fullJoin, fullJoin, fullJoin, fullJoin, fullJoin, fullJoin, fullJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, join, join, join, join, join, join, join, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin

从接口继承的方法 com.github.yulichang.query.interfaces.StringJoin

fullJoin, fullJoin, innerJoin, innerJoin, leftJoin, leftJoin, rightJoin, rightJoin

从接口继承的方法 com.github.yulichang.interfaces.MPJBaseJoin

getDeleteLogicSql, getDeleteSql

从接口继承的方法 com.github.yulichang.wrapper.interfaces.Compare

allEq, allEq, allEq, allEq, between, eq, ge, gt, le, like, likeLeft, likeRight, lt, ne, notBetween, notLike

从接口继承的方法 com.baomidou.mybatisplus.core.conditions.interfaces.Nested

and, nested, not, or

从接口继承的方法 com.github.yulichang.wrapper.interfaces.Join

apply, comment, exists, first, last, notExists, or

从接口继承的方法 com.github.yulichang.wrapper.interfaces.Func

func, geSql, groupBy, groupBy, groupBy, gtSql, having, in, in, inSql, isNotNull, isNull, leSql, ltSql, notIn, notIn, notInSql, orderByAsc, orderByAsc, orderByAsc, orderByAsc, orderByDesc, orderByDesc, orderByDesc, orderByDesc

从接口继承的方法 com.github.yulichang.wrapper.interfaces.OnCompare

eq, ge, gt, le, lt, ne

从接口继承的方法 com.github.yulichang.wrapper.interfaces.CompareStr

allEqStr, allEqStr, allEqStr, allEqStr, between, eq, ge, gt, le, like, likeLeft, likeRight, lt, ne, notBetween, notLike

从接口继承的方法 com.github.yulichang.wrapper.interfaces.FuncStr

geSql, groupBy, groupBy, groupByStr, gtSql, in, in, inSql, isNotNull, isNull, leSql, ltSql, notIn, notIn, notInSql, orderByAsc, orderByAsc, orderByAsc, orderByAsc, orderByAscStr, orderByAscStr, orderByDesc, orderByDesc, orderByDesc, orderByDesc, orderByDescStr, orderByDescStr

构造器详细资料

MPJLambdaWrapper

public MPJLambdaWrapper()

推荐使用 带 class 的构造方法

MPJLambdaWrapper

public MPJLambdaWrapper(Class<T> clazz)

推荐使用此构造方法

MPJLambdaWrapper

public MPJLambdaWrapper(T entity)

构造方法

参数:

entity - 主表实体

MPJLambdaWrapper

public MPJLambdaWrapper(String alias)

自定义主表别名

MPJLambdaWrapper

public MPJLambdaWrapper(Class<T> clazz,
                        String alias)

构造方法

参数:

clazz - 主表class类

alias - 主表别名

MPJLambdaWrapper

public MPJLambdaWrapper(T entity,
                        String alias)

构造方法

参数:

entity - 主表实体类

alias - 主表别名

方法详细资料

distinct

public MPJLambdaWrapper<T> distinct()

sql去重 select distinct

getSelectColum

public List<Select> getSelectColum()

指定者:

getSelectColum 在接口中 Query<MPJLambdaWrapper<T>>

addLabel

public void addLabel(Label<?> label)

指定者:

addLabel 在接口中 QueryLabel<MPJLambdaWrapper<T>>

getChildren

public MPJLambdaWrapper<T> getChildren()

指定者:

getChildren 在接口中 Query<MPJLambdaWrapper<T>>

指定者:

getChildren 在接口中 QueryLabel<MPJLambdaWrapper<T>>

select

@SafeVarargs
public final <E> MPJLambdaWrapper<T> select(com.baomidou.mybatisplus.core.toolkit.support.SFunction<E,?>... columns)

设置查询字段

指定者:

select 在接口中 Query<MPJLambdaWrapper<T>>

参数:

columns - 字段数组

返回:

children

selectAll

public MPJLambdaWrapper<T> selectAll(Class<?> clazz)

从接口复制的说明: Query

查询实体类全部字段

指定者:

selectAll 在接口中 Query<MPJLambdaWrapper<T>>

指定者:

selectAll 在接口中 SelectWrapper<T,MPJLambdaWrapper<T>>

selectSub

public <E,F> MPJLambdaWrapper<T> selectSub(Class<E> clazz,
                                           java.util.function.Consumer<MPJLambdaWrapper<E>> consumer,
                                           com.baomidou.mybatisplus.core.toolkit.support.SFunction<F,?> alias)

子查询

selectSub

public <E,F> MPJLambdaWrapper<T> 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

union

public final MPJLambdaWrapper<T> union(MPJLambdaWrapper<?>... wrappers)

union

unionAll

@SafeVarargs
public final <E,F> MPJLambdaWrapper<T> unionAll(MPJLambdaWrapper<T>... wrappers)

union all

getSqlSelect

public String getSqlSelect()

查询条件 SQL 片段

指定者:

getSqlSelect 在接口中 Query<MPJLambdaWrapper<T>>

覆盖:

getSqlSelect 在类中 com.baomidou.mybatisplus.core.conditions.Wrapper<T>

getUnionSql

public String getUnionSql()

指定者:

getUnionSql 在接口中 MPJBaseJoin<T>

getSelectDistinct

public boolean getSelectDistinct()

instance

protected MPJLambdaWrapper<T> instance()

用于生成嵌套 sql

故 sqlSelect 不向下传递

指定者:

instance 在类中 MPJAbstractWrapper<T,MPJLambdaWrapper<T>>

instanceEmpty

protected MPJLambdaWrapper<T> instanceEmpty()

指定者:

instanceEmpty 在类中 MPJAbstractWrapper<T,MPJLambdaWrapper<T>>

instance

protected MPJLambdaWrapper<T> instance(Integer index,
                                       String keyWord,
                                       Class<?> joinClass,
                                       String tableName)

指定者:

instance 在类中 MPJAbstractWrapper<T,MPJLambdaWrapper<T>>

clear

public void clear()

覆盖:

clear 在类中 MPJAbstractLambdaWrapper<T,MPJLambdaWrapper<T>>