数组字典结合删除排序描述器

// main.m

// 数组字典结合删除排序

// Created by 博博 on 16/1/8.

#define NSLog(FORMAT, ...) printf("%s ", [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String])

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {

@autoreleasepool {

NSDictionary *dic1=@{@"name":@"小阳",@"class":@"IOS8",@"age":@"24"};

NSDictionary *dic2=@{@"name":@"小明",@"class":@"IOS6",@"age":@"67"};

NSDictionary *dic3=@{@"name":@"小丽",@"class":@"IOS8",@"age":@"12"};

NSDictionary *dic4=@{@"name":@"小杨",@"class":@"IOS6",@"age":@"33"};

// NSArray *dic5=@[@{@"name":@"小阳",@"class":@"IOS8",@"age":@"24"},

// @{@"name":@"小明",@"class":@"IOS6",@"age":@"67"},

// @{@"name":@"小丽",@"class":@"IOS8",@"age":@"12"},

// @{@"name":@"小杨",@"class":@"IOS6",@"age":@"33"}];

// for(int i=0;i<[dic5 count];i++)

// {

// NSDictionary *k=dic5[i];

// NSLog(@"班级:%@,姓名:%@,年龄%@",k[@"class"],k[@"name"],k[@"age"]);

// }

// NSLog(@"---- ");

NSMutableArray *muarr=[NSMutableArray array];

[muarr addObject:dic1];

[muarr addObject:dic2];

[muarr addObject:dic3];

[muarr addObject:dic4];

//for (NSDictionary *dic in muarr) {

// NSLog(@"班级:%@,姓名:%@,年龄%@",dic[@"class"],dic[@"name"],dic[@"age"]);

//}

// [muarr removeObject:dic2];

// for (NSDictionary *dic in muarr) {

// NSLog(@"班级:%@,姓名:%@,年龄%@",dic[@"class"],dic[@"name"],dic[@"age"]);

// }

NSSortDescriptor *p1=[NSSortDescriptor sortDescriptorWithKey:@"class" ascending:1];

NSSortDescriptor *p2=[NSSortDescriptor sortDescriptorWithKey:@"age" ascending:1];

NSArray *p=[muarr sortedArrayUsingDescriptors:[NSArray arrayWithObjects:p1,p2, nil]];

for (NSDictionary *dic in p) {

NSLog(@"班级:%@,姓名:%@,年龄%@",dic[@"class"],dic[@"name"],dic[@"age"]);

}

//1.将以上四个字典存入数组中,输出数据以班级:XXX,姓名:XXX,年龄:XX格式。

//2.删除小明此条数据，列出剩余数据，输出格式同上。

//3.按照班级进行排序，如果班级相同则按照年龄排序输出数据，格式同上。描述器

}

return 0;

}