-(BOOL)isIncludeSpecialCharact:(NSString *)str{
for (int i=0; i<str.length; i++) {
unichar c = [str characterAtIndex:i];
if ((c < '0' || c > '9') && (c < 'a' || c > 'z')
&& (c < 'A' || c > 'Z') && (c < 0x4e00 || c > 0x9fa5)) {
return YES;
}
}
returnNO;
}