importjava.text.DecimalFormatimportjava.text.SimpleDateFormatimportjava.util.Calendar;importjava.util.Collection;importjava.util.HashMap;importjava.util.Iterato...

StringBuildersb=newStringBuilder();for(inti=0;i<3;i++){sb.append((char)(0x4e00+(int)(Math.random()*(0x9fa5-0x4e00+1))));}vars.put("name",sb.toString()); ...