groovy字符串处理

println 'He said "escaflone"'
println "He said'escaflone'"  // 影号中的影号，大中放小，小中放大都可以，类似js
def str1 ="Groovy&Grails&clat"

println str1[4]                        //v,同getAt(4)
println str1[-1]                       //t
println str1[1..2]                    //ro
println str1[1..<3]                  //ro
println str1 == 'Groovy&Grails&clat' // true


println 'clat'<=>'clat'            //0
println 'clat'<=>'clat005'      //-1
println 'clat'<=>'Clat'           //1
println 'clat'.compareTo('Clat') //32
println 'clat'.compareTo('clat') //0
println  str1 = 'Groovy' + '&Grails' + '&clat'//Groovy&Grails&clat
println str1-'&clat'                  //Groovy&Grails
println 'Groovy'*3                //GroovyGroovyGroovy


println "Groovy".compareToIgnoreCase("groovy");    //0
println "Groovy".concat("&Grails");   //Groovy&Grails
println "Groovy".endsWith("ovy");                              //true
println "Groovy".equalsIgnoreCase("groovy");          //true
println "Groovy".indexOf('oo');                                   //2
println "Groovy".substring(2) ;                                   //oovy
println "Groovy".substring(2,4);                                 // oo


def str2 = "Groovy"
println "[${str2.center(11)}]"      //[  Groovy   ]
println "[${str2.center(3)}]"        //[Groovy] 3<字符串长度，原大小输出
println "[${str2.center(11,'=')}]" //[==Groovy===]
println "${str2.contains('Gr')}"    //true
println "${str2.count('o')}"          //2
println str2.leftShift(' world')         // Groovy world
println str2<<' world'                    // Groovy world

println str2.minus('vy')                 //Groo             
println str2 - 'vy'                           //Groo        
println str2.next()                        //Groovz ++运算符
println str2.previous()                  //Groovx  --运算符 
println "[${str2.padLeft(4)}]"      //[Groovy]              
println "[${str2.padLeft(11)}]"    //[     Groovy]          
println "[${str2.padLeft(11,'#')}]"//[#####Groovy]          
//padRight()类似       


def str3 = "clat"

println str3.replaceAll("[a-z]"){ch -> ch.toUpperCase()}  //CLAT
println str3.reverse()                                                         //talc
println str3.size()                                                               //4
println str3.toCharacter()                                                   //c
println "123".toDouble()                                                    // 123.0   类似还有toFloat()/toInteger()/toLong()
println str3.toList()                                                             //[c,l,a,t]


def str4="Groovy&Grails&clat"
println str4.tokenize()      //["Groovy&Grails&clat"] 无空格
println str4.split('&')  //[Groovy,Grails,clat]
def str5="Groovy Grails clat"
println str5.tokenize()      //[Groovy,clat]
println str5.tokenize().getClass().getName()   //java.util.ArrayList