add new file

xxl-job-admin/src/main/java/com/xxl/job/admin/controller/UrlFilter.java

@@ -0,0 +1,38 @@
+import org.springframework.stereotype.Component;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+public class UrlFilter implements Filter {
+    @Value("${application.pre.url}")
+    private String preUrl;
+
+    @Override
+    public void init(FilterConfig filterConfig) throws ServletException {
+
+    }
+
+    @Override
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
+        HttpServletResponse response = (HttpServletResponse) servletResponse;
+        HttpServletRequest request = (HttpServletRequest) servletRequest;
+        String requestURI = request.getRequestURI();
+        String[] split = requestURI.split("/");
+        if (split != null && split.length > 1 && split[1].equals(preUrl)) {
+            request.getRequestDispatcher(requestURI.substring(preUrl.length() + 1, requestURI.length())).forward(request, response);
+        } else {
+            filterChain.doFilter(request, response);
+        }
+    }
+
+    @Override
+    public void destroy() {
+
+    }
+}