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//// main.m// KVC//// Created by 千雅爸爸 on 16/10/6.// Copyright © 2016年 kodulf. All rights reserved.//#import#import "User.h"int main(int argc, const char * argv[]) { @autoreleasepool { //可以很方便的完成类中属性的复制操作, //同时即使是隐藏的属性也是可以kvc来完成设置的。 User *user = [[User alloc] init]; [user setValue:@"xiaoming" forKey:@"username"]; [user setValue:@"ibm" forKey:@"company"]; [user setValue:@20 forKey:@"age"]; [user setValue:@"male" forKey:@"sex"]; NSLog(@"%@",user); } return 0;}
//// User.h// KVC//// Created by 千雅爸爸 on 16/10/6.// Copyright © 2016年 kodulf. All rights reserved.//#import@interface User : NSObject@property(nonatomic,copy) NSString *username;@property(nonatomic,copy) NSString *company;//@property(nonatomic,assign) NSInteger age;//为了方便可以写setvalue forkey的方法,这里使用strong,并且是NSNumber类型@property(nonatomic,strong) NSNumber *age;@end
//// User.m// KVC//// Created by 千雅爸爸 on 16/10/6.// Copyright © 2016年 kodulf. All rights reserved.//#import "User.h"//匿名的类别,添加一个隐藏的属性,注意这里要写User@interface User ()@property (nonatomic,copy) NSString *sex;@end@implementation User- (NSString *)description{ return [NSString stringWithFormat:@"name=%@,company=%@,age =%@,sex=%@", _username,_company,_age,_sex];}@end
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