摘要：
Student.h:#import @interface学生：NSObject@property（非原子，保留）NSString*name；@属性（非原子，赋值）intage；@EndStudent。m： #import“Student.h”@implementationStudent//操作
Student.h:
#import <Foundation/Foundation.h> @interface Student : NSObject @property(nonatomic,retain) NSString * name; @property(nonatomic,assign) int age; @end
Student.m:
#import "Student.h"
@implementation Student
//动态方法，在main函数中类alloc了之后调用，但是要手动管理内存，要手动释放
-(id) initWithAge:(int)age{
if (self == [super init]) {
_age = age;
}
return self;
}
//静态构造方法,在main函数中不需要你手动管理内存释放
+(id)studentWithAge:(int)age{
Student *stu = [[[Student alloc] init] autorelease];
stu.age = age;
return stu;
}
-(NSString *)description{
return [NSString stringWithFormat:@"name:%@ age:%i创建了",_name,_age];
}
-(void)dealloc{
NSLog(@"name:%@ age:%i被释放了",_name,_age);
[_name release];
[super dealloc];
}
@end
main
1 #import <Foundation/Foundation.h>
2
3 #import "Student.h"
4
5 int main(int argc, const char * argv[])
6
7 {
8
9 @autoreleasepool {
10
11 //动态方法需要手动释放内存
12
13 Student *stu1= [[Student alloc] initWithAge:10];
14
15 stu1.name = @"dingxiaowei";
16
17 NSLog(@"%@",stu1);
18
19 [stu1 release];
20
21 //静态构造方法不需要你管理内存
22
23 Student *stu2 =[Student studentWithAge:20];
24
25 stu2.name = @"wangning";
26
27 NSLog(@"%@",stu2);
28
29 }
30
31 return 0;
32
33 }
结果：
