//判断是否是ipad
    #define isPad ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
    //判断iPhone4系列
    #define kiPhone4 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    //判断iPhone5系列
    #define kiPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    //判断iPhone6系列
    #define kiPhone6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    //判断iphone6+系列
    #define kiPhone6Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    //判断iPhoneX
    #define IS_IPHONE_X ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    //判断iPHoneXr
    #define IS_IPHONE_Xr ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(828, 1792), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    //判断iPhoneXs
    #define IS_IPHONE_Xs ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    //判断iPhoneXs Max
    #define IS_IPHONE_Xs_Max ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2688), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
    
    // iphone各种栏高度
    #define Height_StatusBar ((IS_IPHONE_X==YES || IS_IPHONE_Xr ==YES || IS_IPHONE_Xs== YES || IS_IPHONE_Xs_Max== YES) ? 44.0 : 20.0)
    #define Height_NavBar ((IS_IPHONE_X==YES || IS_IPHONE_Xr ==YES || IS_IPHONE_Xs== YES || IS_IPHONE_Xs_Max== YES) ? 88.0 : 64.0)
    #define Height_TabBar ((IS_IPHONE_X==YES || IS_IPHONE_Xr ==YES || IS_IPHONE_Xs== YES || IS_IPHONE_Xs_Max== YES) ? 83.0 : 49.0)
    #define SafeInsetBottom ((IS_IPHONE_X==YES || IS_IPHONE_Xr ==YES || IS_IPHONE_Xs== YES || IS_IPHONE_Xs_Max== YES) ? 34.0 : 0.0)

    // 屏幕大小
    #define Screen_Width ([UIScreen mainScreen].bounds.size.width)
    #define Screen_Height ([UIScreen mainScreen].bounds.size.height)