DownloadHandlerFile.removeFileOnAbort

描述

如果下载被中止（手动中止或因出现错误而中止），则应删除创建的文件。默认值：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("http://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.Send();
        if (uwr.isNetworkError || uwr.isHttpError)
            Debug.Log(uwr.error);
        else
        {
            Debug.Log("Download saved to: " + resultFile);
        }
    }
}