Unity WebGL端调用Windows窗口选择文件

WebGLWindowsFileImporter.unitypackage：
https://pan.baidu.com/s/1zH9UXi2lR5rDV9RJn6xaSQ?pwd=5566

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示例代码：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class NewBehaviourScript : MonoBehaviour
{

    void Start()
    {
        WebGLWindowsFileImporter._____Import("jpg,jpeg,png", (fileName, bs) =>
        {
            Debug.LogError("文件名称：" + fileName);
            Debug.LogError("文件字节长度：" + bs.Length);
        });
    }

}