合并test分支的内容

@@ -108,6 +108,14 @@
  *  @param params 参数
  */
 - (void)explorerDidDetectParameters:(NSDictionary * _Nonnull)params;
+/**
+ @brief 将要加载请求前的回调
+ 
+ @param request 请求
+ 
+ @since 1.0.7
+ */
+- (void)explorerWillLoadRequest:(NSMutableURLRequest * _Nonnull)request;
 
 /**
  @brief 补充userAgent

@@ -206,7 +206,11 @@ static float kprogressViewRadius = 2.0f;
 - (void)loadWebUrl:(NSString *)url
 {
     self.startPage = url;
-    [self.webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:url]]];
+    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]];
+    if ([self.delegate respondsToSelector:@selector(explorerWillLoadRequest:)]) {
+        [self.delegate explorerWillLoadRequest:request];
+    }
+    [self.webView loadRequest:request];
 }
 
 - (void)loadHTMLString:(NSString *)html