#import <TZImagePickerController.h>

TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithMaxImagesCount:1 delegate:self];

? ? // You can get the photos by block, the same as by delegate.

? ? // 你可以通過block或者代理，來得到用戶選擇的照片.

? ? [imagePickerVc setDidFinishPickingPhotosHandle:^(NSArray<UIImage *> *photos, NSArray *assets, BOOL isSelectOriginalPhoto) {

? ? ? ? NSData * imagedata=UIImageJPEGRepresentation(photos[0], 1);

? ? ? ? NSInteger? length = imagedata.length/1024;

? ? ? ? NSString *dataLength = [self getBytesFromDataLength:imagedata.length];

? ? ? ? NSLog(@"原來圖片的大小是%ldkb",length);

? ? ? ? NSLog(@"原來圖片的大小是%@",dataLength);

? ? }];

? ? [self presentViewController:imagePickerVc animated:YES completion:nil];

//計算圖片大小

- (NSString *)getBytesFromDataLength:(NSInteger)dataLength {

? ? NSString *bytes;

? ? if (dataLength >= 0.1 * (1024 * 1024)) {

? ? ? ? bytes = [NSString stringWithFormat:@"%0.1fM",dataLength/1024/1024.0];

? ? } else if (dataLength >= 1024) {

? ? ? ? bytes = [NSString stringWithFormat:@"%0.0fK",dataLength/1024.0];

? ? } else {

? ? ? ? bytes = [NSString stringWithFormat:@"%zdB",dataLength];

? ? }

? ? return bytes;

}