蓝少泽

摘要： 7.if条件语句for example:BOOL mrHiggieIsMean = YES;//BOOL类型值，以YES和NO来区分if (mrHiggieIsMean) {NSLog(@"Confirmed: he is super mean");}if-else if-else语法8.switch(expression){case value:break;}与其他编程语言语法一样9.for循环for example:NSArray *newHats = @[@"Cowboy", @"Conductor", @"Baseb 阅读全文

摘要： 1.数组NSArray *arrays = @[@"keyname",@"value"];2.输出NSArray *array = [arrays,description];NSLog(@"print Array %@",array);%@是占位符，针对于NSUInteger，如果输出得采用%lu来代替for example:NSString *city = @"Ice World";NSUInteger cityLength = [city length];NSLog(@"City has %lu ch 阅读全文