- (void)configureNavigationBar
{
//设置navigationBar的颜色
UILabel * titleLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, 100, 40)];
titleLabel.textColor = [UIColor whiteColor];
titleLabel.textAlignment = NSTextAlignmentCenter;
titleLabel.text =@"通讯录";
self.navigationItem.titleView = titleLabel;
self.navigationController.navigationBar.barTintColor = [UIColor lightGreenColor];

RELEASE_SAFE(titleLabel);
}