【unity3d】unity_webgl打开一个pdf(jslib)

mergeInto(LibraryManager.library,
{		
	OpenWindow:function (str)
	{
		var ip_addr = "http://" + document.location.hostname + "/" + Pointer_stringify(str);
		//window.alert(ip_addr);
		//window.open(ip_addr);
		window.open(ip_addr,'_blank','width=400,height=400,menubar=no,toolbar=no, status=no,scrollbars=yes,location=no,titlebar=no');
	}
}
);

using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.UI;

public class ButtonOpenPDF : MonoBehaviour
{
    public string m_strPDFPath = "StreamingAssets/3DForge_Products.pdf";
    private Button m_button;

    [DllImport("__Internal")]
    private static extern void OpenWindow(string str);

    // 加载脚本实例时调用 Awake
    private void Awake()
    {
        m_button = GetComponent<Button>();
        if (m_button != null)
        {
            m_button.onClick.AddListener(()=> 
            {
                OpenWindow(m_strPDFPath);
            });
        }
    }
}