Objective-C字典使用详解
2015-09-22 11:11
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#import <UIKit/UIKit.h> #import "AppDelegate.h" int main(int argc, char * argv[]) { //类似Java中的Map,即键值对; NSDictionary *dict = @{@"name":@"zhangsan",@"age":@23}; //打印出整个字典; NSLog(@"%@",dict); //取出字典中的某个值; NSLog(@"%@",[dict objectForKey:@"name"]); //读取一个plist字典; //plist文件可以作为配置文件,可以存储数组或者字典。类似Android中的XML配置文件。需要好好使用! NSDictionary *plistDict = [NSDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"data" ofType:@"plist"]]; NSLog(@"Plist文件中的字典:%@",plistDict); NSLog(@"Plist中的年龄:%@",[plistDict objectForKey:@"age"]); }
输出结果如下:
2015-09-22 10:50:32.067 MutableArrayDemo[90943:3898163] {
age = 23;
name = zhangsan;
}
2015-09-22 10:50:32.069 MutableArrayDemo[90943:3898163] zhangsan
2015-09-22 10:50:32.082 MutableArrayDemo[90943:3898163] Plist文件中的字典:{
age = 25;
name = Jack;
}
2015-09-22 10:50:32.082 MutableArrayDemo[90943:3898163] Plist中的年龄:25
github主页:https://github.com/chenyufeng1991 。欢迎大家访问!
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