iOS 开发 OC编程 便利构造器以及初始化方法

//

//  Collegestudent.m

//  oc-03继承,初始化方法,便利构造器

//

//  Created by dllo on 15/10/26.

//  Copyright (c) 2015年 dllo. All rights reserved.

//

#import "Collegestudent.h"

@implementation Collegestudent

- (void)setFriend:(NSString *)friend

{

    _friend = friend;

}

- (void)setPhonenumber:(NSString *)phoneNumber

{

    _phoneNumber = phoneNumber;

}

- (NSString *)friend

{

    return _friend;

}

- (NSString *)phoneNumber

{

    return _phoneNumber;

}

- (void)info

{

    [super info];

    NSLog(@"%@%@", _friend, _phoneNumber);

}

//便利构造器

+ (id)collegestudentWithName:(NSString *)name sex:(NSString *)sex hobby:(NSString *)hobby score:(NSInteger)score friend:(NSString *)friend phoneNumber:(NSString *)phoneNumber

{

    Collegestudent *p = [[Collegestudent alloc]initWithName:name sex:sex hobby:hobby score:score friend:friend phoneNumber:phoneNumber];

    return p;

}

//初始化

- (id)initWithName:(NSString *)name sex:(NSString *)sex hobby:(NSString *)hobby score:(NSInteger)score friend:(NSString *)friend phoneNumber:(NSString *)phoneNumber

{

    self = [super initWithName:name sex:sex hobby:hobby score:score];

    if (self) {

//        _friend = friend;

//        _phoneNumber = phoneNumber;

        [self setFriend:friend];

        [self setName:name];

        [self setPhonenumber:phoneNumber];

        

    }

    return self;

}

@end