我有简单的 hashmap 并想操作它,但 IDE 无法识别这些方法。对 Groovy 完全陌生,所以不确定哪里出了问题。
def percentages = [
"x1" : "20%",
"x2" : "30%",
"x3" : "0.4",
"x4" : "50%",
"x5" : "0.6"]
percentages.each {
val ->
if(val[2].endsWith("%")) {
val[2].deleteCharAt(val.length()-1)
println val
}
}
当您执行
percentages.each
时,您遍历地图并且每个元素都是java.util.Map.Entry
。这可能是您需要的:
import java.util.Map.Entry
def percentages = [
"x1": "20%",
"x2": "30%",
"x3": "0.4",
"x4": "50%",
"x5": "0.6"]
percentages.each { Entry<String, String> val ->
if (val.value.endsWith("%")) {
val.value = val.value.substring(0, val.value.length() - 1)
println val
}
}