[self.view setBackgroundColor:[UIColor colorWithRed:239.0/255 green:239.0/255 blue:239.0/255 alpha:1.0f]];
    MySearchBar = [[UISearchBar alloc]
                   initWithFrame:CGRectMake(0, 65, width, 45)];
    MySearchBar.delegate = self;
    MySearchBar.barStyle=UIBarStyleDefault;
    MySearchBar.placeholder=@"Search";
    [MySearchBar setShowsCancelButton:NO];//显示右侧取消按钮
    MySearchBar.keyboardType=UIKeyboardTypeNamePhonePad;
    float version = [[[ UIDevice currentDevice ] systemVersion ] floatValue ];
    //    theTableView.tableHeaderView = searchBar;
    if ([ MySearchBar respondsToSelector : @selector (barTintColor)]) {
        
        float  iosversion7_1 = 7.1 ;
        
        if (version >= iosversion7_1)
            
        {
            
            //iOS7.1
            
            [[[[ MySearchBar . subviews objectAtIndex : 0 ] subviews ] objectAtIndex : 0 ] removeFromSuperview ];
            
            [ MySearchBar setBackgroundColor :[ UIColor clearColor ]];
            
        }
        
        else
            
        {
            //iOS7.0
            
            [ MySearchBar setBarTintColor :[ UIColor clearColor ]];
            
            [ MySearchBar setBackgroundColor :[ UIColor clearColor ]];
            
        }
        
    }
    else
    {
        //iOS7.0 以下
        
        [[ MySearchBar.subviews objectAtIndex : 0 ] removeFromSuperview ];
        
        [ MySearchBar setBackgroundColor :[ UIColor clearColor ]];
        
    }
    [self.view addSubview:MySearchBar];


searchBar.searchBarStyle =UISearchBarStyleMinimal;