数组排序

 1 #pragma mark 冒泡排序
 2 - (void)userArrSort:(NSMutableArray *)userArr
 3 {
 4     int n = userArr.count;
 5     int i,j;
 6     NSDictionary *temp;
 7     for(j=0;j<n-1;j++)
 8     {
 9         for(i=0;i<n-1-j;i++)
10         {
11 //            NSDictionary*ssy = [];
12             if(((NSString *)[userArr[i] objectForKey:@"vlevel"]).intValue<((NSString *)[userArr[i+1] objectForKey:@"vlevel"]).intValue)//数组元素大小按升序排列
13             {
14                 temp=userArr[i];
15                 userArr[i]=userArr[i+1];
16                 userArr[i+1]=temp;
17             }
18         }
19     }
20     for (int x = 0; x<userArr.count; x++)
21     {
22         if (1) {
23 //            [userArr replaceObjectAtIndex:0 withObject:[userArr[i]];
24         }
25     }
26 }
27 #pragma mark 已排序数组插入一条数据
28 - (void)insertObjectInUserArr:(NSMutableArray *)userArr withobject:(NSDictionary *)dic
29 {
30     int j;
31     if(((NSString *)[dic objectForKey:@"vlevel"]).intValue<=((NSString *)[userArr[userArr.count - 1] objectForKey:@"vlevel"]).intValue)
32     {
33         [userArr insertObject:dic atIndex:userArr.count];
34     }else
35     {
36         for(int i=0;i<userArr.count;i++)
37         {
38             if(((NSString *)[dic objectForKey:@"vlevel"]).intValue>((NSString *)[userArr[i] objectForKey:@"vlevel"]).intValue)
39             {
40                 j = i;
41                 [userArr insertObject:dic atIndex:j];
42                 break;
43             }
44         }
45     }
46 
47 
48 }