IOS笔记 搜索框

    //搜索

    UISearchBar  *searchBarCustom = [[UISearchBaralloc] initWithFrame:CGRectMake(834,10 ,180,24)];

    searchBarCustom.backgroundColor = [UIColorclearColor];   //修改搜索框背景

    searchBarCustom.delegate=self;

    searchBarCustom.placeholder=@"会员卡号";

    [[searchBarCustom.subviewsobjectAtIndex:0]removeFromSuperview];  //去掉搜索框背景

    for (UIView *subview in searchBarCustom.subviews) {

       if ([subviewisKindOfClass:NSClassFromString(@"UISearchBarBackground")]) {

            [subviewremoveFromSuperview];

            break;

        }

    }