def extension = fileName.split("\\.")[1]
String EXCEL_FILE_EXTENSIONS = " xls, xlsx "
if(EXCEL_FILE_EXTENSIONS.indexOf(extension)<0){
}
String payWay = subjectBox.getSelectedItem().value.toString()
String PAYMENT_MODE_EXTENSIONS = "银行"
if(payWay.indexOf(PAYMENT_MODE_EXTENSIONS)>-1){
println "33333"
}
截取字符串String,布布扣,bubuko.com
截取字符串String
原文：http://www.cnblogs.com/zhouweiye/p/3590794.html
