iOS --弹框1

//从底部弹出

UIAlertController *sheetController = [UIAlertController
alertControllerWithTitle:@"请选择图片"
message:nil
preferredStyle:UIAlertControllerStyleActionSheet];

UIAlertAction *saveAction = [UIAlertAction
actionWithTitle:@"拍照"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {

NSLog(@"保存");

}];

UIAlertAction *deleteAction = [UIAlertAction
actionWithTitle:@"相册"
style:UIAlertActionStyleDestructive
handler:^(UIAlertAction *action) {

NSLog(@"删除");

}];

UIAlertAction *cancelAction = [UIAlertAction
actionWithTitle:@"取消"
style:UIAlertActionStyleCancel
handler:nil];

[sheetController addAction:saveAction];

[sheetController addAction:deleteAction];

[sheetController addAction:cancelAction];

[self
presentViewController:sheetController animated:YES
completion:nil];