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//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;
}
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原文链接:http://www.cnblogs.com/jukaiit/p/6605030.html