UILabel *headerL = [UILabel labelWithSystemFontSize:14 textColorHexString:@"0xB5B5B5"];
headerL.frame = CGRectMake(0, 0, kScreen_Width, 40);
headerL.backgroundColor = [UIColor whiteColor];
headerL.textAlignment = NSTextAlignmentCenter;
headerL.text = [NSString stringWithFormat:@"共搜到 %lu 个与 \"%@\" 相关的文件", (unsigned long)self.searchedFileList.count, self.mySearchBar.text];
[headerL doBorderWidth:.5 color:kColorDDD cornerRadius:0];
// 另一个label
CGRect screen = [[UIScreen mainScreen] bounds];
CGFloat labelWidth = 90;
CGFloat labelHeight = 30;
CGFloat labelTop = 150;
CGRect labelRect = CGRectMake((screen.size.width - labelWidth)/2, labelTop, labelWidth, labelHeight);
self.label = [[UILabel alloc]initWithFrame:labelRect];
self.label.text = @"label";
self.label.textAlignment = NSTextAlignmentCenter;
[self.view addSubview:self.label];