public class StringUtil extends Object
| 限定符和类型 | 方法和说明 |
|---|---|
static boolean |
isBlank(CharSequence cs)
为null或者空
|
static boolean |
isEmpty(CharSequence cs)
为空
|
static boolean |
isNotBlank(CharSequence cs)
不为null或者空
|
static boolean |
isNotEmpty(CharSequence cs)
不为空
|
static String |
trim(String str)
去除前后空格
|
static String |
trimToEmpty(String str)
去除空格,为null返回空字符串
|
static String |
trimToNull(String str)
去除空格后长度为0就返回null
|
public static boolean isEmpty(CharSequence cs)
cs - 字符串public static boolean isNotEmpty(CharSequence cs)
cs - 字符串public static boolean isBlank(CharSequence cs)
cs - 字符串public static boolean isNotBlank(CharSequence cs)
cs - 字符串Copyright © 2025. All rights reserved.