-(void)saveAction{
//这里我先模拟了一个图片数组
self.tempImgArr = @[@"http://39.98.122.82/upload/home/c11.jpg",@"http://pic.bizhi360.com/bbpic/70/370.jpg",@"http://pic.bizhi360.com/bbpic/86/6386.jpg",@"http://pic.bizhi360.com/bbpic/69/6569.jpg"].mutableCopy;}
self.imgArr = [NSMutableArray array];
for(inti =0; i <self.tempImgArr.count; i++) {
[self.imgArr addObject:self.tempImgArr[i]];
}
//循环将图片加入一个数组里
PHAuthorizationStatus status = [PHPhotoLibrary authorizationStatus];
// 2.判断用户的授权状态
if (status == PHAuthorizationStatusNotDetermined) {
// 如果状态是不确定的话,block中的内容会等到授权完成再调用
[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
// 授权完成就会调用
if(status ==PHAuthorizationStatusAuthorized) {
//调用存储图片的方法
[selfCWWSavePhotos];
}
}];
//如果允许访问
}else if (status == PHAuthorizationStatusAuthorized) {
//调用存储图片的方法
[selfCWWSavePhotos];
//如果权限是拒绝
}else{
//弹出一个页面提示用户去打开授权
// [MBProgressHUD showInWindowMessage:@"进入设置打开允许访问相册开关"];
}
- (void)CWWSavePhotos {
if(self.imgArr.count>0) {
[self saveimage:[self.imgArrobjectAtIndex:0]];
}
}
#pragma mark- 保存图片的方法
- (void)saveimage:(NSString*)imageUrl {
NSURL*imgUrl = [NSURLURLWithString:imageUrl];
[[SDWebImageDownloadersharedDownloader]downloadImageWithURL:imgUrlcompleted:^(UIImage*_Nullableimage,NSData*_Nullabledata,NSError*_Nullableerror,BOOLfinished) {
if(image) {
UIImageWriteToSavedPhotosAlbum(image,self,@selector(image:didFinishSavingWithError:contextInfo:),nil);
//清除sd缓存，防止图片被sdwebimage缓存
[[SDImageCache sharedImageCache] clearDiskOnCompletion:nil];
[[SDImageCache sharedImageCache] clearMemory];
}
}];
}
#pragma mark-- <保存到相册>
-(void)image:(UIImage*)imagedidFinishSavingWithError:(NSError*)errorcontextInfo:(void*)contextInfo {
if(error){
[selfalertView:@"保存图片失败"];
}else{
[self.imgArr removeObjectAtIndex:0];
if(self.imgArr.count==0) {
[selfalertView:@"图片已保存至您的相册"];
}
}
[self CWWSavePhotos];
}
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