Package com.baomidou.dynamic.datasource.toolkit

Class DsStrUtils

java.lang.Object

com.baomidou.dynamic.datasource.toolkit.DsStrUtils

public abstract class DsStrUtils
extends Object

常见字符串工具类

Author:

TaoYu

Constructor Summary

Constructors

Constructor	Description
DsStrUtils()

Method Summary

Modifier and Type	Method	Description
static String	defaultIfBlank(String str, String defaultStr)	判断字符串是否有内容, 没内容就返回默认值
static boolean	hasLength(CharSequence str)	判断字符串是否为空
static boolean	hasLength(String str)	判断字符串是否为空
static boolean	hasText(CharSequence str)	判断字符串是否有内容
static boolean	isEmpty(String str)

Methods inherited from class java.lang.Object

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

Constructor Details

DsStrUtils

public DsStrUtils()

Method Details

isEmpty

public static boolean isEmpty(String str)

hasLength

public static boolean hasLength(CharSequence str)

判断字符串是否为空

Parameters:

str - 字符串

Returns:

true: null or "" or " " false: "a"

hasLength

public static boolean hasLength(String str)

判断字符串是否为空

Parameters:

str - 字符串

Returns:

true: null or "" or " " false: "a"

hasText

public static boolean hasText(CharSequence str)

判断字符串是否有内容

Parameters:

str - 字符串

Returns:

true: null or "" or " " false: "a"

defaultIfBlank

public static String defaultIfBlank(String str,
 String defaultStr)

判断字符串是否有内容, 没内容就返回默认值

Parameters:

str - 字符串

defaultStr - 默认值

Returns: