iOS UIWebView 和网页交互，返回

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType

{

    NSString *protocol = @"daojia://";

    NSString *requestString = [[request URL] absoluteString];

    ///返回按钮。

//    if ([requestString isEqualToString:@"daojia.close"]) {

        if (requestString && requestString.length > 150) {// 在web页面中点击的时间满足一定条件后执行：

 

//        [self.webView stopLoading];

//        [self.webView removeFromSuperview];

//        [self.navigationController popViewControllerAnimated:YES];

            

            // 跳转到活动列表页面

            NSString *urlString = [NSString stringWithFormat:@"http://%@/activity/",HOSTNAME];

            WebViewViewController *activitiesListVC = [[WebViewViewController alloc] initWithUrl:urlString];

            activitiesListVC.hidesBottomBarWhenPushed = YES;

            activitiesListVC.rightTopButtonStyle = WebVCRightTopButtonStyle_MyActivity;

            [AVAnalytics event:@"进入活动入口"];

            [self.navigationController pushViewController:activitiesListVC animated:YES];

    }

    returnYES;

    

    // 返回到web页面的上一级。-----在返回按钮里面实现

//    if ([self.webView canGoBack]) {

//        [self.webView goBack];

//    } else {

//        [self.navigationController popViewControllerAnimated:YES];

//    }

}