- (void)webView:(WKWebView _)webView decidePolicyForNavigationAction:(WKNavigationAction _)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler

- (BOOL)application:(UIApplication _)app openURL:(NSURL _)url options:(NSDictionary<UIApplicationOpenURLOptionsKey, id> \*)options

#pragma mark - WKNavigationDelegate
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
    NSLog(@"发送请求-----》%@", navigationAction.request.URL.absoluteString);


    NSURLRequest *request           = navigationAction.request;
    NSURL *url                      = request.URL;
    NSString *scheme                = [navigationAction.request.URL scheme];
    UIApplication *application      = [UIApplication sharedApplication];
    NSString *absoluteString        = navigationAction.request.URL.absoluteString;

    // decode for all URL to avoid url contains some special character so that it wasn't load.
    NSLog(@"Current URL is %@",absoluteString);

    static NSString *endPayRedirectURL = nil;

    //三方购买
    if ([scheme isEqualToString:@"test02-live.vhall.com"]) {
        // 打开客户端
        [application  openURL:url
                      options:@{}
            completionHandler:^(BOOL success) {
            NSLog(@"客户端跳转%@", success ? @"完成" : @"失败");
        }];

        // 取消当前请求
        decisionHandler(WKNavigationActionPolicyCancel);
        return;
    }
    // 解决跳转到本地支付宝App不返回的问题
    // 判断URL是否以alipays://或者alipay://开头
    if ([absoluteString hasPrefix:@"alipays://"] || [absoluteString hasPrefix:@"alipay://"]) {
        // 定义支付宝URL的前缀
        NSString *prefixString = @"alipay://alipayclient/?";

        // 将URL中的alipays替换为test02-live.vhall.com
        NSString *urlString = [[self xh_URLDecodedString:absoluteString] stringByReplacingOccurrencesOfString:@"alipays" withString:CompanyFirstDomainByWeChatRegister];


        // 如果URL以前缀字符串开头，则对URL进行特殊处理
        if ([urlString hasPrefix:prefixString]) {
            // 获取前缀字符串的范围
            NSRange rang = [urlString rangeOfString:prefixString];
            // 获取前缀字符串后面的部分
            NSString *subString = [urlString substringFromIndex:rang.length];
            // 将前缀和后面的部分拼接起来，并对拼接后的字符串进行URL编码
            NSString *encodedString = [prefixString stringByAppendingString:[self xh_URLEncodedString:subString]];
            // 将编码后的字符串转换为NSURL对象
            url = [NSURL URLWithString:encodedString];
        }

        // 打开支付宝客户端
        [application  openURL:url
                      options:@{}
            completionHandler:^(BOOL success) {
            NSLog(@"支付宝跳转%@", success ? @"完成" : @"失败");
        }];

        // 取消当前请求
        decisionHandler(WKNavigationActionPolicyCancel);
        return;
    }


    //解决微信支付后为返回当前应用的问题
    // 判断是否需要重定向
    if ([absoluteString hasPrefix:@"https://wx.tenpay.com/cgi-bin/mmpayweb-bin/checkmweb"] && ![absoluteString hasSuffix:[NSString stringWithFormat:@"redirect_url=%@://",CompanyFirstDomainByWeChatRegister]]) {
        // 取消当前请求
        decisionHandler(WKNavigationActionPolicyCancel);

        NSString *redirectUrl = nil;
        // 判断URL中是否包含redirect_url参数
        if ([absoluteString containsString:@"redirect_url="]) {
            NSRange redirectRange = [absoluteString rangeOfString:@"redirect_url"];
            // 获取redirect_url参数后面的值
            endPayRedirectURL =  [absoluteString substringFromIndex:redirectRange.location+redirectRange.length+1];
            // 将redirect_url参数的值替换为当前应用程序的URL Scheme，并重新构造URL
            redirectUrl = [[absoluteString substringToIndex:redirectRange.location] stringByAppendingString:[NSString stringWithFormat:@"redirect_url=%@://",CompanyFirstDomainByWeChatRegister]];
        }else {
            // 在URL末尾添加redirect_url参数，并将其值设置为当前应用程序的URL Scheme
            redirectUrl = [absoluteString stringByAppendingString:[NSString stringWithFormat:@"&redirect_url=%@://",CompanyFirstDomainByWeChatRegister]];
        }

        // 构建新的请求
        NSMutableURLRequest *newRequest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:redirectUrl] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:XDX_URL_TIMEOUT];
        newRequest.allHTTPHeaderFields = request.allHTTPHeaderFields;
        [newRequest setValue:[NSString stringWithFormat:@"%@",CompanyFirstDomainByWeChatRegister] forHTTPHeaderField:@"Referer"];
        newRequest.URL = [NSURL URLWithString:redirectUrl];
        // 使用新请求加载页面
        [webView loadRequest:newRequest];
        return;
    }


    // 判断scheme是否为http或者https
    if (![scheme isEqualToString:@"https"] && ![scheme isEqualToString:@"http"]) {
        // 取消当前请求
        decisionHandler(WKNavigationActionPolicyCancel);
        // 判断scheme是否为weixin
        if ([scheme isEqualToString:@"weixin"]) {
            // 如果endPayRedirectURL不为空，使用其加载新页面
            if (endPayRedirectURL) {
                [webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:endPayRedirectURL] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:XDX_URL_TIMEOUT]];
            }
        }else if ([scheme isEqualToString:[NSString stringWithFormat:@"%@",CompanyFirstDomainByWeChatRegister]]) {
            // 对于其他scheme，可以进行特殊处理
        }
        // 如果URL中包含weixin://，打开微信客户端
        if ([navigationAction.request.URL.absoluteString hasPrefix:@"weixin://"]) {
            [application  openURL:url
                          options:@{}
                completionHandler:^(BOOL success) {
                NSLog(@"微信跳转%@", success ? @"完成" : @"失败");
            }];
        }
        return;
    }
    decisionHandler(WKNavigationActionPolicyAllow);
}
// URL解码
- (NSString *)xh_URLDecodedString:(NSString *)urlString {
    NSString *string = urlString;
    // 调用CFURLCreateStringByReplacingPercentEscapesUsingEncoding函数对URL进行解码
    NSString *decodedString = (__bridge_transfer NSString *)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(NULL, (__bridge CFStringRef)string, CFSTR(""), CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding));
    return decodedString;
}
// URL编码
- (NSString *)xh_URLEncodedString:(NSString *)urlString {
    NSString *string = urlString;
    // 调用CFURLCreateStringByAddingPercentEscapes函数对URL进行编码
    NSString *encodedString = (NSString *)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,(CFStringRef)string,NULL,(CFStringRef)@"!*'();:@&=+$,/?%#[]",kCFStringEncodingUTF8));
    return encodedString;
}

//1. WebView 传入Referer
Map<String,String> webviewHead =new HashMap<>();
webviewHead.put("Referer", "https://live.vhall.com");
webView.loadUrl(url,webviewHead);

//2. 监听scheme 跳转 原生唤起 app 支付
webView.setWebViewClient(new WebViewClient() {

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
        String url = request.getUrl().toString();
        if(!url.startsWith("http"))
        {
            PackageManager packageManager = getPackageManager();
            Log.e("========",url);
            try {
               //打开 scheme
               Intent intent = new Intent(Intent.ACTION_VIEW,Uri.parse(url));
                startActivity(intent);
            } catch (ActivityNotFoundException e) {
                Toast.makeText(getApplicationContext(), "未安装应用", Toast.LENGTH_SHORT).show();
            }
            return true;
        }
        return false;
    }
	.....
}