框架

TZImagePickerController 

封装

// .h

#import <Foundation/Foundation.h>
#import "TZImagePickerController.h" // 图片选择器

@interface KapPhotoManager : NSObject<TZImagePickerControllerDelegate>
@property (nonatomic,strong) NSIndexPath *indexPath;// 记录插入的位置
@property (nonatomic,copy) void(^finshBlock)(NSArray *photos,NSArray *assets,NSIndexPath *indexPath);
- (TZImagePickerController *)CreatedImagePickerController;
- (void)setFinshBlock:(void (^)(NSArray *photos, NSArray *assets, NSIndexPath *indexPath))finshBlock;
+ (NSString *)filePathByAssets:(id)assert AndImage:(UIImage *)image;
@end

// .m

#import "KapPhotoManager.h"
#import "TZImageManager.h"
#import <AssetsLibrary/AssetsLibrary.h>

@implementation KapPhotoManager
- (TZImagePickerController *)CreatedImagePickerController{
    TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithMaxImagesCount:9 columnNumber:4 delegate:self pushPhotoPickerVc:YES];
    imagePickerVc.allowTakePicture = YES;// 在内部显示拍照按钮
    imagePickerVc.sortAscendingByModificationDate = YES;// 照片排列按修改时间升序
    imagePickerVc.allowPickingVideo = NO;
    imagePickerVc.allowPickingImage = YES;
    imagePickerVc.allowPickingGif = NO;
    imagePickerVc.allowPickingOriginalPhoto = YES;//允许选择原图
    return imagePickerVc;
}

#pragma mark - TZImagePickerControllerDelegate
- (void)tz_imagePickerControllerDidCancel:(TZImagePickerController *)picker {
    // NSLog(@"cancel");
}
- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingPhotos:(NSArray *)photos sourceAssets:(NSArray *)assets isSelectOriginalPhoto:(BOOL)isSelectOriginalPhoto {
    //获得原图
//    [[TZImageManager manager] getOriginalPhotoWithAsset:<#(id)#> completion:<#^(UIImage *photo, NSDictionary *info)completion#>];
    if (self.finshBlock) {
        self.finshBlock(photos,assets,self.indexPath);
    }
}
// 如果用户选择了一个视频，下面的handle会被执行
// 如果系统版本大于iOS8，asset是PHAsset类的对象，否则是ALAsset类的对象
- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingVideo:(UIImage *)coverImage sourceAssets:(id)asset{
    
}
// 如果用户选择了一个gif图片，下面的handle会被执行
- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingGifImage:(UIImage *)animatedImage sourceAssets:(id)asset {
    
}
// 决定相册显示与否
- (BOOL)isAlbumCanSelect:(NSString *)albumName result:(id)result {
    return YES;
}
// 决定asset显示与否
- (BOOL)isAssetCanSelect:(id)asset {
    return YES;
}

#pragma mark 图片存储相关
+ (NSString *)filePathByAssets:(id)assert AndImage:(UIImage *)image{
    NSString *imageName = [self imageNameSha512ByAssert:assert];
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    NSString *imagePath = [documentsDirectory stringByAppendingPathComponent:imageName];
    NSData *imageData = UIImageJPEGRepresentation(image, 1.0);
    [imageData writeToFile:imagePath atomically:YES];
    return imagePath;
}
+ (NSString *)imageNameSha512ByAssert:(id)asset{
    NSString *imageName;
    if ([asset isKindOfClass:[PHAsset class]]) {
        PHAsset *phAsset = (PHAsset *)asset;
        imageName = phAsset.localIdentifier;
    } else if ([asset isKindOfClass:[ALAsset class]]) {
        ALAsset *alAsset = (ALAsset *)asset;
        imageName = alAsset.defaultRepresentation.UTI;
    }
    if ([NSString isBlankString:imageName]) {
        imageName = [[NSUUID UUID] UUIDString];
    }
    NSString *fileName = [NSString stringWithFormat:@"%@.jpg",[NSString sha512:imageName]];// 将图片名字share512加密作为文件名
    return fileName;
}
@end