Unity调用UniWebView打开H5界面脚本

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
//********************************************************************
// 文件名: ShowH5Controller
// 描述: 显示H5界面
// 作者: 
// 创建时间: #CREATIONDATE#
//********************************************************************
public class ShowH5Controller : MonoBehaviour
{
    /// 

    /// H5的数据
    /// 
    public class H5Data
    {
        public string h5_url;
        public UniWebView.ReceivedMessageDelegate OnReceivedMessage;
        public UniWebView.WebViewShouldCloseDelegate OnWebViewShouldClose;
    }

    public UniWebView uniWebView
    {
        get
        {
            if (_uniWebView == null)
            {
                GameObject go = new GameObject("UniWebView");
                _uniWebView = go.AddComponent();
            }

            return _uniWebView;
        }
        set
        {
            _uniWebView = value;
        }

    }

    private UniWebView _uniWebView;
    /// 

    /// loading物体
    /// 
    public GameObject loadingGo;
    /// 

    /// h5的返回按键是否使用
    /// 
    [HideInInspector]
    public bool backButtonEnable = false;
    public static ShowH5Controller Instance;
    /// 

    /// 异常的退出回调
    /// 
    public Action errorCallBack;
    /// 

    /// 是否显示H5界面
    /// 
    private bool isShowH5;
    /// 

    /// 数据
    /// 
    private H5Data data;

    private void Awake()
    {
        Instance = this;
    }

    /// 

    /// 显示H5界面
    /// 
    /// 
    /// url后面跟的参数
    public void ShowH5(string h5_url, Dictionary url_param, UniWebView.ReceivedMessageDelegate OnReceivedMessage, UniWebView.WebViewShouldCloseDelegate OnWebViewShouldClose)
    {
        if (string.IsNullOrEmpty(h5_url))
        {
            //Debug.Log("显示h5的界面url为空");
            LogTool.AddLogString("显示h5的界面url为空");
            if (errorCallBack != null) errorCallBack();
            return;
        }

        string param = "?";

        foreach (var item in url_param)
        {
            if (string.IsNullOrEmpty(item.Key) || string.IsNullOrEmpty(item.Value)) continue;

            param += item.Key + "=" + item.Value + "&";
        }
       

        h5_url += param.TrimEnd('&');
        h5_url = h5_url.Replace(" ", "");
        ShowH5(h5_url, OnReceivedMessage, OnWebViewShouldClose);
    }

    /// 

    /// 显示H5界面
    /// 
    /// 
    public void ShowH5(string h5_url, UniWebView.ReceivedMessageDelegate OnReceivedMessage, UniWebView.WebViewShouldCloseDelegate OnWebViewShouldClose)
    {
        if (string.IsNullOrEmpty(h5_url))
        {
            //Debug.Log("显示h5的界面url为空");
            LogTool.AddLogString("显示h5的界面url为空");
            if (errorCallBack != null) errorCallBack();
            return;
        }

        isShowH5 = true;
        data = new H5Data() { h5_url = h5_url, OnReceivedMessage = OnReceivedMessage, OnWebViewShouldClose = OnWebViewShouldClose };
        uniWebView.OnLoadComplete += OnLoadComplete;
        loadingGo.SetActive(true);
        uniWebView.Load(h5_url);
        uniWebView.backButtonEnable = backButtonEnable;
        uniWebView.SetShowSpinnerWhenLoading(false);
        if (OnReceivedMessage != null)
            uniWebView.OnReceivedMessage += OnReceivedMessage;
        if (OnWebViewShouldClose != null)
            uniWebView.OnWebViewShouldClose += OnWebViewShouldClose;
        LogTool.AddLogString("h5的界面url：" + h5_url);
    }

    /// 

    /// 加载页面
    /// 
    /// 
    /// 
    /// 
    private void OnLoadComplete(UniWebView webView, bool success, string errorMessage)
    {
        if(!success)
        {
            if (errorCallBack != null) errorCallBack();
            Debug.Log("加载页面失败！！！！！！！" + errorMessage);
        }
        else
        {
            loadingGo.SetActive(false);
            uniWebView.Show();
        }
    }

    /// 

    /// 关闭H5界面
    /// 
    public void CloseH5()
    {
        ClearUniWebView();
        data = null;
        isShowH5 = false;
        //Debug.Log("关闭h5的界面url！！");
    }

    /// 

    /// 清空UniWebView
    /// 
    private void ClearUniWebView()
    {
        backButtonEnable = false;
        //uniWebView.CleanCache();
        uniWebView.Hide();
        Destroy(uniWebView);
        Destroy(uniWebView.gameObject);
        uniWebView = null;
    }

    private void OnApplicationPause(bool pause)
    {
        if(pause)
        {
            if (isShowH5 && data != null)
            {
                ClearUniWebView();
            }
        }
        else
        {
            if(isShowH5 && data != null)
            {
                ShowH5(data.h5_url, data.OnReceivedMessage, data.OnWebViewShouldClose);
            }
        }
    }
}

1.讲解网站链接：https://blog.csdn.net/u010019717/article/details/52890644

2.官网链接：http://uniwebview.onevcat.com/