通过路径播放本地视频

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;
public class PlayerVideo : MonoBehaviour {

string urlPath = "http://192.168.0.108/test/end.mp4";//资源网络路径  
string file_SaveUrl;//资源保路径  
FileInfo file;
private bool down;
public VideoPlayer _videoPlayer;
public RawImage rawimage;
private void Awake()
{
    _videoPlayer = GetComponent<VideoPlayer>();
    rawimage = GetComponent<RawImage>();
}
private void Start()
{
    string FullPath4 = "\\data\\";
    string FullPath = Environment.CurrentDirectory + "\\data\\1我要立案.avi";
    //编辑器内使用FullPath1，exe使用FullPath
    string FullPath1 = Environment.CurrentDirectory + "\\Assets\\data\\1我要立案.avi";
    //var path = Application.persistentDataPath;
    //file_SaveUrl = path + "/end.mp4"; //保存的本地路径    记得加上文件后缀名  
    file_SaveUrl = FullPath;
    file = new FileInfo(file_SaveUrl);
    Debug.Log("path:" + file_SaveUrl);
    DirectoryInfo mydir = new DirectoryInfo(file_SaveUrl);
    if (File.Exists(file_SaveUrl))//判断一下本地是否有了该音频  如果有就不需下载  
    {
        PlayVideo();
    }
    else
    {
        StartCoroutine(DownFile(urlPath));
    }
}
IEnumerator DownFile(string url)
{

    WWW www = new WWW(url);
    down = false;
    yield return www;
    down = true;
    if (www.isDone)
    {
        byte[] bytes = www.bytes;
        CreatFile(bytes);
        PlayVideo();
    }
}
void CreatFile(byte[] bytes)
{
    Stream stream;
    stream = file.Create();
    stream.Write(bytes, 0, bytes.Length);
    Debug.Log("下载完成");
    stream.Close();
    stream.Dispose();
}

public void PlayVideo()
{
    StartCoroutine(DelayPlayVideo(1));
}

IEnumerator DelayPlayVideo(float time)
{
    _videoPlayer.source = VideoSource.Url;
    _videoPlayer.url = file_SaveUrl;
    _videoPlayer.Prepare();
    _videoPlayer.playOnAwake = false;
    while (!_videoPlayer.isPrepared)
    {
        Debug.Log("Preparing Video");
        yield return null;
    }
    rawimage.texture = _videoPlayer.texture;
    _videoPlayer.Play();
    yield return new WaitForSeconds(0.02f);
    //rawimage.texture = _videoPlayer.texture;
    //_videoPlayer.Play();
}

}