数组套字典排序

 1 {  2     "status": "1",  3     "msg": "\u6210\u529f",  4     "data": {  5         "detail_data": [{  6             "stock_code": "430074",  7             "now_price": 14.07,  8             "increase": "1.3%",  9             "open": 13.89, 10             "general_capital": "108750000", 11             "close": 14.07, 12             "high": 14.14, 13             "low": 13.89, 14             "date": "2015-11-25", 15             "vol": 723500, 16             "amount": 10169420
17  }, { 18             "stock_code": "430074", 19             "now_price": 13.93, 20             "increase": "5.29%", 21             "open": 13.23, 22             "general_capital": "108750000", 23             "close": 13.93, 24             "high": 14.21, 25             "low": 13.21, 26             "date": "2015-11-23", 27             "vol": 513000, 28             "amount": 7116860
29  }, { 30             "stock_code": "430074", 31             "now_price": 13.85, 32             "increase": "-0.93%", 33             "open": 13.98, 34             "general_capital": "108750000", 35             "close": 13.85, 36             "high": 14.3, 37             "low": 13.5, 38             "date": "2015-11-24", 39             "vol": 538000, 40             "amount": 7546040
41  }], 42         "date_data": ["2015-11-04", "2015-11-05", "2015-11-06", "2015-11-09", "2015-11-10", "2015-11-11", "2015-11-12", "2015-11-13", "2015-11-16", "2015-11-17", "2015-11-18", "2015-11-19", "2015-11-20", "2015-11-23", "2015-11-24", "2015-11-25", "2015-11-26", "2015-11-27", "2015-11-30", "2015-12-01", "2015-12-02", "2015-12-03"] 43  } 44 }

 

^^^^^^数据源

方法下面

 1 -(void) setDatas{  2     NSMutableArray *detailArray = [NSMutableArray arrayWithArray:[[all_Dic objectForKey:@"data"] objectForKey:@"detail_data"]];  3     NSLog(@"detailArray=%@",detailArray);  4 
 5     NSSortDescriptor*sorter=[[NSSortDescriptor alloc]initWithKey:@"date" ascending:YES];  6     NSMutableArray *sortDescriptors=[[NSMutableArray alloc]initWithObjects:&sorter count:1];  7     NSArray *sortArray=[detailArray sortedArrayUsingDescriptors:sortDescriptors];  8     NSLog(@"sortArray==%@",sortArray);  9 
10     
11 }