出數(shù)組中有數(shù)組類型的元素
? ? ?為什么輸出數(shù)組中有數(shù)組類型的元素時(shí)，輸出這個(gè)元素是它的地址而不是具體的值呢？為什么直接用%@輸出是具體的值，而在數(shù)組中輸出卻是地址？
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2015-12-03
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2015-12-05
#import <Foundation/Foundation.h>
#import "PeopleAll.h"
int main(int argc, const char * argv[]) {
? ? @autoreleasepool {
? ? ? ? PeopleAll *people1 = [[PeopleAll alloc] init];
? ? ? ? PeopleAll *people2 = [[PeopleAll alloc] init];
? ? ? ? PeopleAll *people3 = [[PeopleAll alloc] init];
? ? ? ? NSLog(@"people1 = %p",people1);
? ? ? ? NSLog(@"people2 = %p",people2);
? ? ? ? NSLog(@"people3 = %p",people3);
? ? ? ? people1.peopleName = @"張三";
? ? ? ? people2.peopleName = @"李四";
? ? ? ? people3.peopleName = @"王五";
? ? ? ? NSLog(@"姓名：%@",people1.peopleName);
? ? ? ? NSLog(@"姓名：%@",people2.peopleName);
? ? ? ? NSLog(@"姓名：%@",people3.peopleName);
? ? ? ??
? ? ? ??
? ? }
? ? return 0;
}
2015-12-05 19:58:55.130 people[637:20956] people1 = 0x100200790
2015-12-05 19:58:55.131 people[637:20956] people2 = 0x1002055d0
2015-12-05 19:58:55.132 people[637:20956] people3 = 0x100200210
2015-12-05 19:58:55.132 people[637:20956] 姓名：張三
2015-12-05 19:58:55.132 people[637:20956] 姓名：李四
2015-12-05 19:58:55.132 people[637:20956] 姓名：王五
Program ended with exit code: 0
2015-12-04
因?yàn)閿?shù)組里保存的元素是對(duì)象，%@輸出的也是地址，你后面那個(gè)問(wèn)題代碼發(fā)上來(lái)看看