增加代理方法获取网页链接

review by chrsit

@@ -149,5 +149,14 @@
  */
 - (void)didGetMessageFromWeb:(NSDictionary * _Nonnull)params completion:(void (^ _Nonnull) (NSDictionary * _Nullable, BOOL))completion;
 
+/**
+ 由于shouldStartLoadWithRequest这个代理方法不适合对外暴露，此代理将暴露webview拦截到的请求
+
+ @param webView UIWebView
+ @param request 网页请求
+ @param navigationType 请求类型
+ */
+- (void)webView:(UIWebView *)webView didCatchRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType;
+
 @required
 @end

@@ -354,6 +354,10 @@ static float kprogressViewRadius = 2.0f;
         return NO;
     }
     
+    if ([self.delegate respondsToSelector:@selector(webView:didCatchRequest:navigationType:)]) {
+        [self.delegate webView:theWebView didCatchRequest:request navigationType:navigationType];
+    }
+    
     BOOL b = [super webView:theWebView shouldStartLoadWithRequest:request navigationType:navigationType];
     
     if (self.delegate && [self.delegate respondsToSelector:@selector(webView:shouldStartLoadWithRequest:navigationType:)]) {