DownloadHandlerFile.removeFileOnAbort

説明

Should the created file be removed if download is aborted (manually or due to an error). Default: false.

using System.Collections;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;

public class DownloadHandlerFileSample : MonoBehaviour
{
    void Start()
    {
        StartCoroutine(Download());
    }

    IEnumerator Download()
    {
        var uwr = new UnityWebRequest("https://unity3d.com/");
        uwr.method = UnityWebRequest.kHttpVerbGET;
        var resultFile = Path.Combine(Application.persistentDataPath, "result.txt");
        var dh = new DownloadHandlerFile(resultFile);
        dh.removeFileOnAbort = true;
        uwr.downloadHandler = dh;
        yield return uwr.SendWebRequest();
        if (uwr.result != UnityWebRequest.Result.Success)
            Debug.Log(uwr.error);
        else
        {
            Debug.Log("Download saved to: " + resultFile);
        }
    }
}