org.beetl.ext.fn

类 StringUtil

java.lang.Object

org.beetl.ext.fn.StringUtil

public class StringUtil
extends Object

操作字符串的简便方法，如：

${strutil.startWith("hello",'he')}

作者:

xiandafu, 方志文

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
boolean	contain(String str, String key)
boolean	endWith(String str, String key)
static String	extendString(int value, int length) 把数字扩展到固定长度.
static String	extendString(String str, int length, char fill, boolean fillFront, boolean truncation) 完成字符串扩展到固定长度
String	format(String str, Object[] args)
String	formatDate(Date o, String args)
int	index(String str, String search)
String	join(String[] arr, String separator)
int	lastIndex(String str, String search)
int	length(String str)
String	replace(String str, String oldValue, String newValue)
String[]	split(String str, String key)
boolean	startWith(String str, String key)
String	subString(String str, int start)
String	subStringTo(String str, int start, int end)
String	toLowerCase(String str)
String	toUpperCase(String str)
String	trim(String str)

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

trim

public String trim(String str)

startWith

public boolean startWith(String str,
                         String key)

endWith

public boolean endWith(String str,
                       String key)

length

public int length(String str)

subStringTo

public String subStringTo(String str,
                          int start,
                          int end)

subString

public String subString(String str,
                        int start)

split

public String[] split(String str,
                      String key)

join

public String join(String[] arr,
                   String separator)

contain

public boolean contain(String str,
                       String key)

toUpperCase

public String toUpperCase(String str)

toLowerCase

public String toLowerCase(String str)

replace

public String replace(String str,
                      String oldValue,
                      String newValue)

format

public String format(String str,
                     Object[] args)

formatDate

public String formatDate(Date o,
                         String args)

index

public int index(String str,
                 String search)

lastIndex

public int lastIndex(String str,
                     String search)

extendString

public static String extendString(String str,
                                  int length,
                                  char fill,
                                  boolean fillFront,
                                  boolean truncation)

完成字符串扩展到固定长度

参数:

str - 需要扩展的字符串

length - 长度

fill - 填充字符

fillFront - 是否前填充，否则后填充

truncation - 如果过长是否需是要截断

extendString

public static String extendString(int value,
                                  int length)

把数字扩展到固定长度. 不足的在前面填充0

参数:

value - 数字值

length - 长度

返回:

对应的长度的字串