platform-ios/RainbowPlanet/RainbowPlanet/Base/BaseWebViewController/BaseWebViewController.swift

//
//  BaseWebViewController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/3/8.
//  Copyright © 2019 南鑫林. All rights reserved.
//

import UIKit
import WebKit

class BaseWebViewController: BaseViewController {
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupLayouts()
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    //加载普通URL
    var URLString : String?
    //加载本地URL
    var HTMLName : String?
    //加载本地的js
    var scriptMessageHandlerArray : Array<Any>?
    //POST加载字典
    var parameters = [String : Any]()
    
    //MARK: - view
    override func setupViews() {
        view.addSubview(wkWebView)
    }
    override func setupLayouts() {
    }
    
    //MARK: -  action
    @objc private func backAction() {
        
        self.wkWebView.webView.stopLoading()
        if self.wkWebView.webView.canGoBack {
            self.wkWebView.webView.goBack()
        }else {
            self.navigationController?.popViewController(animated: true)
        }
    }
    
    
    //MARK: - lazy
    
    lazy var wkWebView: WebView = {
        let wkWebView = WebView.init(frame: CGRect(x: 0, y: kNavBarTotalHeight, width: kScreenWidth, height: kScreenHeight - kNavBarTotalHeight))
        wkWebView.delegate = self
        wkWebView.webConfig = webConfig
        //// 加载普通URL
        if (URLString != nil) {
            wkWebView.webloadType(self, .URLString(url: URLString!))
        }
        
        // 加载本地URL
        if (HTMLName != nil && scriptMessageHandlerArray != nil) {
            webConfig.scriptMessageHandlerArray = scriptMessageHandlerArray as! [String]
            wkWebView.webloadType(self, .HTMLName(name: HTMLName!))
        }
        
        // POST加载
        if !parameters.isEmpty &&  URLString != nil {
            wkWebView.webloadType(self, .POST(url: URLString!, parameters: parameters))
        }
        
        return wkWebView
    }()
    
    lazy var webConfig: WKWebViewConfig = {
        var webConfig = WKWebViewConfig()
        return webConfig
    }()
    
}

extension BaseWebViewController:WKWebViewDelegate{
    /// 服务器开始请求的时候调用
    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void){
        
    }
    
    /// 页面开始加载
    func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!){
        
    }
    
    /// 页面加载完成
    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!){
        
    }
    
    /// 跳转失败的时候调用
    func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error){
        
    }
    
    /// 内容加载失败
    func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error){
        
    }
    
    /// 执行JS注入方法
    func webViewUserContentController(_ scriptMessageHandlerArray:[String], didReceive message: WKScriptMessage){
        
    }
    
    /// JS执行回调方法
    func webViewEvaluateJavaScript(_ result:Any?,error:Error?){
        
    }
}