数组&字典
#import <Foundation/Foundation.h> int main(int argc, const char * argv[]) { @autoreleasepool { //把字典放到数组中 NSDictionary *dic1=@{@"name":@"小明", @"class":@"IOS8", @"age":@"22"}; NSDictionary *dic2=@{@"name":@"小红", @"class":@"IOS7", @"age":@"23"}; NSMutableArray *muarr=[NSMutableArray array]; [muarr addObject:dic1];//想数组中添加字典内数据 [muarr addObject:dic2]; //for (int i=0;i<muarr.count;i++) { for(NSDictionary *dic in muarr){ //NSDictionary *dic=muarr[i]; NSLog(@"班级:%@ 姓名:%@ 年龄:%@",dic[@"class"],dic[@"name"],dic[@"age"]); } } return 0; }