im.dart.boot.common.utils

类 Convert

java.lang.Object

im.dart.boot.common.utils.Convert

public class Convert
extends Object

描述：暂无描述信息

创建时间：2021-09-22 11:25

更新时间：暂无

版本:

1.0

作者:

Kevin.Xu

构造器概要

构造器

构造器和说明
Convert()

方法概要

限定符和类型	方法和说明
static <K,V> List<V>	fetchByKey(K[] keys, Map<K,V> values)
static <K,V> List<V>	fetchByKey(List<K> keys, Map<K,V> values)
static <T> T	fetchFirst(Collection<T> list)
static <T> T	fuse(T self, T target) 融合，把目标对象中的非空字段赋值到自身中
static Double	max(Double... nums)
static Integer	max(Integer... nums)
static Long	max(Long... nums)
static <E extends Serializable> E[]	merge(E[] e1, E[] e2, Class<E> type)
static <E extends Serializable> E[]	mergeWithoutDuplication(E[] e1, E[] e2, Class<E> type)
static Double	min(Double... nums)
static Integer	min(Integer... nums)
static Long	min(Long... nums)
static BigDecimal	toBigDecimal(Object obj)
static Boolean	toBoolean(Object obj)
static Byte	toByte(Object obj)
static Double	toDouble(Object obj)
static Integer	toInt(Object obj)
static Long	toLong(Object obj)
static Short	toShort(Object obj)
static String	toStr(byte[] bytes)
static String	toStr(Object obj)

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

Convert

public Convert()

方法详细资料

min

public static Integer min(Integer... nums)

max

public static Integer max(Integer... nums)

min

public static Double min(Double... nums)

max

public static Double max(Double... nums)

min

public static Long min(Long... nums)

max

public static Long max(Long... nums)

toStr

public static String toStr(byte[] bytes)

toStr

public static String toStr(Object obj)

参数:

obj -

返回:

default null

toBoolean

public static Boolean toBoolean(Object obj)

toInt

public static Integer toInt(Object obj)

参数:

obj -

返回:

default 0

toShort

public static Short toShort(Object obj)

toByte

public static Byte toByte(Object obj)

toLong

public static Long toLong(Object obj)

参数:

obj -

返回:

default 0

toBigDecimal

public static BigDecimal toBigDecimal(Object obj)

参数:

obj -

返回:

default 0

toDouble

public static Double toDouble(Object obj)

fetchByKey

public static <K,V> List<V> fetchByKey(K[] keys,
                                       Map<K,V> values)

fetchByKey

public static <K,V> List<V> fetchByKey(List<K> keys,
                                       Map<K,V> values)

merge

public static <E extends Serializable> E[] merge(E[] e1,
                                                 E[] e2,
                                                 Class<E> type)

mergeWithoutDuplication

public static <E extends Serializable> E[] mergeWithoutDuplication(E[] e1,
                                                                   E[] e2,
                                                                   Class<E> type)

fuse

public static <T> T fuse(T self,
                         T target)

融合，把目标对象中的非空字段赋值到自身中

参数:

self - 自身

target - 目标对象

fetchFirst

public static <T> T fetchFirst(Collection<T> list)