substring 陷阱
数据库substring(source,startIndex,length)
javascritp substring(source,startIndex,endIndex)
java substring(source,startIndex,endIndex)
c# substring(soiurce,startIndex,length)
有遇到的大家补充~
javascritp substring(source,startIndex,endIndex)
java substring(source,startIndex,endIndex)
c# substring(soiurce,startIndex,length)
有遇到的大家补充~