判断 设备类型，屏幕大小，系统语言

[[UIDevice currentDevice].model isEqualToString:@"iPad"]

- (CGFloat)initAutoScaleSize{

if (kScreenHeight==480) {

self.autoSizeScaleW = kScreenWith/736;

}else if(kScreenHeight==568) {

self.autoSizeScaleW =kScreenWith/736;

}else if(kScreenHeight==667){

self.autoSizeScaleW =kScreenWith/736;

}else if(kScreenHeight==736){

self.autoSizeScaleW =kScreenWith/736;

}else if (kScreenHeight==1024){

self.autoSizeScaleW =kScreenWith/736;

}else{

self.autoSizeScaleW=kScreenWith/736;

}

return  self.autoSizeScaleW;

}

[[self getPreferredLanguage] isEqualToString:@"zh-Hans-CN"]

- (NSString*)getPreferredLanguage

{

NSUserDefaults* defs = [NSUserDefaults standardUserDefaults];

NSArray* languages = [defs objectForKey:@"AppleLanguages"];

NSString* preferredLang = [languages objectAtIndex:0];

return preferredLang;

}