判断机型

```

typedef NS_ENUM(char, iPhoneModel){  //0~3

iPhone4,//320*480

iPhone5,//320*568

iPhone6,//375*667

iPhone6Plus,//414*736

UnKnown

};

- (iPhoneModel)iPhonesModel {

CGRect rect = [[UIScreen mainScreen] bounds];

CGFloat width = rect.size.width;

CGFloat height = rect.size.height;

//get current interface Orientation

UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];

//unknown

if (UIInterfaceOrientationUnknown == orientation) {

return UnKnown;

}

if (UIInterfaceOrientationPortrait == orientation) {

if (width ==  320.0f) {

if (height == 480.0f) {

return iPhone4;

} else {

return iPhone5;

}

} else if (width == 375.0f) {

return iPhone6;

} else if (width == 414.0f) {

return iPhone6Plus;

}

}else if (UIInterfaceOrientationLandscapeLeft == orientation || UIInterfaceOrientationLandscapeRight == orientation) {

//landscape

if (height == 320.0) {

if (width == 480.0f) {

return iPhone4;

} else {

return iPhone5;

}

} else if (height == 375.0f) {

return iPhone6;

} else if (height == 414.0f) {

return iPhone6Plus;

}

}

return UnKnown;

}

```