//groovy中switch 语句很强大,完全可以替换嵌套的if else
def x=1.23
def result
switch (x){
case 'foo': result='found foo' break;case 'bar': result='bar' breakcase [4,5,6,'inlist']://列表result='list' breakcase 12..30://范围 result='range' breakcase Integer://类型 result='Integer' breakcase BigDecimal: result='big decimal' breakdefault:result='default'
}
println(result)//big decimal
//groovy中for循环
def sum=0
//1对范围的for循环
for(i in 0..9){
sum+=i
}
println(sum)//45
//2对list的循环
for(i in[2,3,4,5,6]){
sum+=i
}
//3对map循环
for(i in['li':1,"ch":2,"ao":3]){
sum+=i.value
}