ios 图片本地存储 苹果手机照片本地保存

//将图片保存到本地

+ (void)SaveImageToLocal:(UIImage*)image Keys:(NSString*)key {


NSUserDefaults* preferences = [NSUserDefaults standardUserDefaults];


//[preferences persistentDomainForName:LocalPath];


[preferences setObject:UIImagePNGRepresentation(image) forKey:key];

}
 
//本地是否有相关图片

+ (BOOL)LocalHaveImage:(NSString*)key {


NSUserDefaults* preferences = [NSUserDefaults standardUserDefaults];


//[preferences persistentDomainForName:LocalPath];


NSData* imageData = [preferences objectForKey:key];


if (imageData) {


return YES;


}


return NO;

}
 
//从本地获取图片

+ (UIImage*)GetImageFromLocal:(NSString*)key {


NSUserDefaults* preferences = [NSUserDefaults standardUserDefaults];


//[preferences persistentDomainForName:LocalPath];


NSData* imageData = [preferences objectForKey:key];


UIImage* image;


if (imageData) {


image = [UIImage imageWithData:imageData];


}


else {


NSLog(@"未从本地获得图片");


}


return image;

}