关于WKWebView添加Cookie的处理以及拦截和重定向

最新推荐文章于 2024-04-08 15:35:04 发布

Wulitc

最新推荐文章于 2024-04-08 15:35:04 发布

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分类专栏： OC 文章标签： cookie WKWebView WKWebView字体大小 WKWebView拦截 WKWebView重定向

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本文介绍如何使用WKWebView在iOS应用中注入Cookie，并通过WKUserContentController实现URL请求的拦截与处理，以控制特定URL的加载行为。

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//初始化添加了这个属性后，web页里点击后的请求都会有添加这个cookie，否则url请求以后便不带cookie

     WKUserContentController *userContentController = WKUserContentController.new;
           NSString * cookieSource = [NSString stringWithFormat:@"document.cookie = 'JSESSIONID=%@'", _cookie];
           WKUserScript *cookieScript = [[WKUserScript alloc] initWithSource:cookieSource injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:NO];
           [userContentController addUserScript:cookieScript];

           WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
           config.userContentController = userContentController;

//初始化WKWebView
           _webview = [[WKWebView alloc] initWithFrame:self.view.bounds configuration:config];
           _webview.backgroundColor=[UIColor whiteColor];
           [self.view addSubview:_webview];
           _webview.UIDelegate = self;
           _webview.navigationDelegate = self;
           _webview.scrollView.bounces = NO;

//拦截-请求新的数据前执行

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

NSURL *URL = navigationAction.request.URL;
NSString *scheme = [NSString stringWithFormat:@"%@",URL];

//判断请求的url是不是要拦截的url
if ([self webViewCancelRequestUrl:scheme]) {

//终止请求加载
           decisionHandler(WKNavigationActionPolicyCancel);
           [_delegate WebViewStatus:0 webUrl:scheme];
           return;
       }
       decisionHandler(WKNavigationActionPolicyAllow);
}

//加载完后执行

- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation
{
//修改字体大小 300%
[ webView evaluateJavaScript:@"document.getElementsByTagName('body')[0].style.webkitTextSizeAdjust='90%'" completionHandler:nil];

    //修改字体颜色 #9098b8
    [ webView evaluateJavaScript:@"document.getElementsByTagName('body')[0].style.webkitTextFillColor= '#000000'" completionHandler:nil];
      [_delegate WebViewStatus:1 webUrl:[NSString stringWithFormat:@"%@",webView.URL]];

}

//是否拦截
-(BOOL)webViewCancelRequestUrl:(NSString *)url{

    if ([url containsString:@"Hierarchy/Hierarchy"]) {
         return YES;
    }
    if ([url containsString:@"President/President"]) {
        return YES;
    }
    if ([url containsString:@"Administration/Administration"]) {
        return YES;
    }
    if ([url containsString:@"Logistics/Logistics"]) {
        return YES;
    }
    if ([url containsString:@"Personnel/Personnel"]) {
        return YES;
    }
    if ([url containsString:@"Textcontrol/Textcontrol"]) {
        return YES;
    }
    if ([url containsString:@"Train/Train"]) {
        return YES;
    }
    if ([url containsString:@"Qualityobjectives/Qualityobjectives"]) {
         return YES;
    }
    if ([url containsString:@"Market/Market"]) {
        return YES;
    }
    return NO;
}