com.jarvis.lib.util

类 StringUtil

java.lang.Object

com.jarvis.lib.util.StringUtil

public class StringUtil
extends Object

构造器概要

构造器

构造器和说明
StringUtil()

方法概要

限定符和类型	方法和说明
static boolean	hasText(CharSequence str) Check whether the given CharSequence contains actual text.
static boolean	hasText(String str) Check whether the given String contains actual text.

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

StringUtil

public StringUtil()

方法详细资料

hasText

public static boolean hasText(CharSequence str)

Check whether the given CharSequence contains actual text.

More specifically, this method returns true if the CharSequence is not null, its length is greater than 0, and it contains at least one non-whitespace character.

 StringUtils.hasText(null) = false
 StringUtils.hasText("") = false
 StringUtils.hasText(" ") = false
 StringUtils.hasText("12345") = true
 StringUtils.hasText(" 12345 ") = true
 

参数:

str - the CharSequence to check (may be null)

返回:

true if the CharSequence is not null, its length is greater than 0, and it does not contain whitespace only

另请参阅:

Character.isWhitespace(char)

hasText

public static boolean hasText(String str)

Check whether the given String contains actual text.

More specifically, this method returns true if the String is not null, its length is greater than 0, and it contains at least one non-whitespace character.

参数:

str - the String to check (may be null)

返回:

true if the String is not null, its length is greater than 0, and it does not contain whitespace only

另请参阅:

hasText(CharSequence)