判断接口返回的参数中是否有中

每天上一当当当不一样

- (BOOL)isChinese:(NSString*)userName{

BOOLexist =false;

 for(inti =0;i < [userNamelength];i++){

 inta = [userNamecharacterAtIndex:i];

 if(a >0x4e00&&a <0x9fff){

exist =true;

            }

        }

 return exist;

}