#import <Foundation/Foundation.h>
void test() {
// 定義了Date這種結構體類型
struct Date {
int year;
int month;
int day;
};
// 定義結構體變量
struct Date d = {2013, 4, 5};
d.day = 6;
}
void test1() {
typedef struct Date {
int year;
int month;
int day;
} MyDate;
MyDate d = {2013, 4, 5};
}
void range() {
NSRange range = NSMakeRange(8, 10);
NSLog(@"location:%zi", range.location);
NSLog(@"length:%zi", range.length);
NSString *str = NSStringFromRange(range);
NSLog(@"%@", str);
// NSLog(@"%@", range); 錯誤的做法,%@代表着OC對象
}
void point() {
// NSPoint p;
CGPoint p;
p.x = 1;
p.y = 10;
p = NSMakePoint(10, 9);
// 常見的方式
p = CGPointMake(8, 9);
NSString *str = NSStringFromPoint(p);
NSLog(@"%@", str);
}
void size() {
CGSize size; // NSSize size;
size.width = 100;
size.height = 90;
size = NSMakeSize(90, 80);
size = CGSizeMake(10, 8);
NSString *str = NSStringFromSize(size);
NSLog(@"%@", str);
}
void rect() {
NSRect rect; // CGRect rect;
rect.origin.x = 10;
rect.origin.y = 11;
rect.size.width = 100;
rect.size.height = 90;
rect = NSMakeRect(10, 10, 80, 80);
rect = CGRectMake(8, 9, 10, 90);
NSString *str = NSStringFromRect(rect);
NSLog(@"%@", str);
}
int main(int argc, const char * argv[])
{
@autoreleasepool {
rect();
}
return 0;
}