cn.ponfee.commons.reflect

类 BeanConverts

java.lang.Object

cn.ponfee.commons.reflect.BeanConverts

public final class BeanConverts
extends Object

Extract bean to array, list and map

作者:

Ponfee

构造器概要

构造器

构造器和说明
BeanConverts()

方法概要

限定符和类型	方法和说明
static <E> Object[]	toArray(E bean, String... fields) 将对象指定字段转为map
static <E> List<Object[]>	toList(List<E> beans, String... fields)
static <T,E> List<T>	toList(List<E> beans, String field) 获取对象指定字段的值
static <K,V,E> Map<K,V>	toMap(E bean, String keyField, String valueField) 指定对象字段keyField的值作为key，字段valueField的值作为value
static <K,E> Map<K,E>	toMap(List<E> beans, String keyField)
static <K,V,E> Map<K,V>	toMap(List<E> beans, String keyField, String valueField)

从类继承的方法 java.lang.Object

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

构造器详细资料

BeanConverts

public BeanConverts()

方法详细资料

toArray

public static <E> Object[] toArray(E bean,
                                   String... fields)

将对象指定字段转为map

类型参数:

E -

参数:

bean -

fields -

返回:

toList

public static <T,E> List<T> toList(List<E> beans,
                                   String field)

获取对象指定字段的值

类型参数:

T -

E -

参数:

beans -

field -

返回:

toList

public static <E> List<Object[]> toList(List<E> beans,
                                        String... fields)

toMap

public static <K,V,E> Map<K,V> toMap(E bean,
                                     String keyField,
                                     String valueField)

指定对象字段keyField的值作为key，字段valueField的值作为value

参数:

bean -

keyField -

valueField -

返回:

toMap

public static <K,V,E> Map<K,V> toMap(List<E> beans,
                                     String keyField,
                                     String valueField)

toMap

public static <K,E> Map<K,E> toMap(List<E> beans,
                                   String keyField)