Question

我试图在表格视图中搜索数据......

-(void)searchTableView{
    NSString *searchText=searchBar.text;
    NSMutableArray *searchArray=[[NSMutableArray alloc]init];
//  for (NSDictionary *dictionary in djList) {
//      NSLog(@"NSDictionary value is%@",dictionary);
////        NSArray *array = [dictionary objectForKey:@""];
////        [searchArray addObjectsFromArray:array];
//  }
    for (NSString *sTemp in searchArray) {
        NSRange titleResultsRange=[sTemp rangeOfString:searchText options:NSCaseInsensitiveSearch];
        if (titleResultsRange.length>0) {
        [copyListArray addObject:sTemp];
        }
    }
    [searchArray release];
    searchArray=nil;
}

我的注释行有问题......

我不知道如何处理ObjectForkKey：@“”;

有没有其他方法可以解决这个问题......没有使用NSDictionary ....

@thanks提前。

Answer 1

使用NSPredicate

 NSPredicate *annotationPredicate = [NSPredicate predicateWithFormat:@"(Latitudine = %@)AND(Longitudine = %@)AND(Name = %@) ",latitudeString,longitudeString,name];


SMutableArray *myArray = [[NSMutableArray alloc] initWithArray:sourceArray];
[myArray filterUsingPredicate:annotationPredicate];

数组中的字典必须具有数组中的键，在这种情况下为“Latitudine”，“Longitudine”，“Name”。

NSpredicate doc here。并查看那里的示例代码。

查看NSMutableArray doc

- (void)filterUsingPredicate:(NSPredicate *)predicate

Answer 2

-(void)searchTableView{
    NSString *searchText=searchBar.text;
    NSMutableArray *searchArray=[[NSMutableArray alloc]init];
//  for (NSDictionary *dictionary in djList) {
//      NSLog(@"NSDictionary value is%@",dictionary);
////        NSArray *array = [dictionary objectForKey:@""];
////        [searchArray addObjectsFromArray:array];
//  }
    [searchArray addObject:@"Alexandro"];
    [searchArray addObject:@"Beatzz"];
    [searchArray addObject:@"Cat"];
    [searchArray addObject:@"Chucky"];
    [searchArray addObject:@"DJ Cat"];
    [searchArray addObject:@"DJ Kuiken"];
    [searchArray addObject:@"Dj Michel"];
    [searchArray addObject:@"Dj Navarro"];
    [searchArray addObject:@"Dj Peter"];
    [searchArray addObject:@"Dj Wily - Waxfiend"];
    [searchArray addObject:@"Himself"];
    [searchArray addObject:@"janery - Chucky - Waxfiend"];

    for (NSString *sTemp in searchArray) {
        NSRange titleResultsRange=[sTemp rangeOfString:searchText options:NSCaseInsensitiveSearch];
        if (titleResultsRange.length>0) {
        [copyListArray addObject:sTemp];
        }
    }
    [searchArray release];
    searchArray=nil;
}`enter code here`

它静态添加其工作正常...............

相同的addobjects在我的djlist数组中......这是nsmutableArray ....

所以我直接添加了searchArray = djlist ......它变得丑陋了。崩溃......

在表格视图中搜索问题

2 个答案: