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java.lang.Objectcom.ijchart.xychart.util.StringUtil
public abstract class StringUtil
Title: IJChart
Description: a chart library for the Java(tm) platform.
处理字符串的工具类Copyright: Copyright (c) 2013
Company:
Constructor Summary | |
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StringUtil()
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Method Summary | |
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static boolean |
isEmpty(java.lang.String str)
测试字符串str是否为null或空字符串. |
static boolean |
isEmpty(java.lang.String[] arr,
boolean trim)
判断数组中的元素是否都为null. |
static boolean |
isEmptyWithTrim(java.lang.String str)
测试字符串str是否为null或空字符串或 String.trim() 返回空.
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static java.lang.String |
javascriptEscape(java.lang.String str)
把字符串转化为符合javascript语法的字符串. |
static java.lang.String |
nullToEmpty(java.lang.String str)
如果字符串str为null,返回空字符串,否则返回str. |
static java.lang.Object |
nullToString(java.lang.Object obj)
如果字符串str为null,返回空字符串类型的"null",否则返回str. |
static java.lang.String[] |
removeRepeatValues(java.lang.String[] values)
对一个数组中的值进行分析,去掉重复的,只保留中间的值. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public StringUtil()
Method Detail |
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public static boolean isEmpty(java.lang.String str)
str
- String 要测试的字符串.
public static boolean isEmptyWithTrim(java.lang.String str)
String.trim()
返回空.
str
- String 要测试的字符串.
String.trim()
返回空则返回true,
否则返回false.
public static java.lang.String nullToEmpty(java.lang.String str)
str
- String string对象,(可为null).
public static java.lang.Object nullToString(java.lang.Object obj)
obj
- Object Object对象,(可为null).
public static boolean isEmpty(java.lang.String[] arr, boolean trim)
arr
- String[] 要测试的数组 (可为null).
trim
- boolean 是否去掉空格.
public static java.lang.String[] removeRepeatValues(java.lang.String[] values)
values
- String[] 字符串数组.
public static java.lang.String javascriptEscape(java.lang.String str)
str
- String 要转化的字符串 (可为null).
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