selectDatePicker = [[UIDatePicker alloc]init];

    selectDatePicker.frame = CGRectMake(0, 10, 280, 216);

    selectDatePicker.tag = 8001;

    selectDatePicker.datePickerMode = UIDatePickerModeDate;

    selectDatePicker.backgroundColor = [UIColor clearColor];

    

    

    //改背景色===================================================================

    UIView *v = [[selectDatePicker subviews] objectAtIndex:0];

    

    //改变最外层的背景

    UIView *v0 = [[v subviews] objectAtIndex:0 ];

    v0.backgroundColor = [Function colorWithHexString:@"#f5f5f5"];

    //去掉最大的框

    UIView *v20 = [[v subviews] objectAtIndex:20];

    v20.alpha = 0.0;

    

    //第一列的设置--------------------------------

    UIView *v1 = [[v subviews] objectAtIndex:1 ];

    v1.alpha = 0.6;

    UIView *v2 = [[v subviews] objectAtIndex:2 ];

    v2.alpha = 0;

    UIView *v3 = [[v subviews] objectAtIndex:3 ];

    v3.alpha = 0;

    UIView *v4 = [[v subviews] objectAtIndex:4 ];

    v4.backgroundColor = [Function colorWithHexString:@"#eae1d8"];

    UIView *v5 = [[v subviews] objectAtIndex:5 ];

    v5.alpha = 0.0;

    UIView *v6 = [[v subviews] objectAtIndex:6 ];

    v6.alpha=0.6;

    

    //第二列的设置--------------------------------

    UIView *v7 = [[v subviews] objectAtIndex:7 ];

    v7.alpha = 0.6;

    UIView *v8 = [[v subviews] objectAtIndex:8 ];

    v8.alpha = 0;

    UIView *v9 = [[v subviews] objectAtIndex:9 ];

    v9.alpha = 0;

    UIView *v10 = [[v subviews] objectAtIndex:10 ];

    v10.backgroundColor = [Function colorWithHexString:@"#eae1d8"];

    UIView *v11 = [[v subviews] objectAtIndex:11 ];

    v11.alpha = 0.0;

    UIView *v12 = [[v subviews] objectAtIndex:12 ];

    v12.alpha=0.6;

    

    //第三列的设置--------------------------------

    UIView *v13 = [[v subviews] objectAtIndex:13 ];

    v13.alpha = 0.6;

    UIView *v14 = [[v subviews] objectAtIndex:14 ];

    v14.alpha = 0;

    UIView *v15 = [[v subviews] objectAtIndex:15 ];

    v15.alpha = 0;

    UIView *v16 = [[v subviews] objectAtIndex:16 ];

    v16.backgroundColor = [Function colorWithHexString:@"#eae1d8"];

    UIView *v17 = [[v subviews] objectAtIndex:17 ];

    v17.alpha = 0.0;

    UIView *v18 = [[v subviews] objectAtIndex:18 ];

    v18.alpha=0.6;

    

    UIView *v19 = [[v subviews] objectAtIndex:19 ];

    v19.alpha=0.0;

    //改背景色End===================================================================

    

    

    

    

    //设置为指定时间

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

    [dateFormatter setDateFormat:@"yyyy-M-d"]; //设置日期格式

    NSString *date = @"2010-10-1";

    NSDate *now = [dateFormatter dateFromString:date];

    

    

    [selectDatePicker setDate:now animated:NO];

    [viewContent addSubview:selectDatePicker];