新增默认错误处理方式，跳转到对于的状态吗页面。

hsweb-web-controller/src/main/java/org/hsweb/web/controller/DefaultErrorController.java

@@ -0,0 +1,48 @@
+package org.hsweb.web.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.web.ErrorAttributes;
+import org.springframework.boot.autoconfigure.web.ErrorController;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.context.request.RequestAttributes;
+import org.springframework.web.context.request.ServletRequestAttributes;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.Map;
+
+@Controller
+@RequestMapping("/error")
+public class DefaultErrorController implements ErrorController {
+
+    @Autowired
+    private ErrorAttributes errorAttributes;
+
+    @RequestMapping(produces = MediaType.TEXT_HTML_VALUE)
+    public ModelAndView errorHtml(HttpServletRequest request, HttpServletResponse response) {
+        RequestAttributes requestAttributes = new ServletRequestAttributes(request);
+        Map<String, Object> model = errorAttributes.getErrorAttributes(requestAttributes, true);
+        int code = ((int) model.get("code"));
+        response.setStatus(code);
+        return new ModelAndView("error/" + response.getStatus(), model);
+    }
+
+    @RequestMapping
+    @ResponseBody
+    public Object error(HttpServletRequest request, HttpServletResponse response) {
+        RequestAttributes requestAttributes = new ServletRequestAttributes(request);
+        Map<String, Object> model = errorAttributes.getErrorAttributes(requestAttributes, true);
+        int code = ((int) model.get("code"));
+        response.setStatus(code);
+        return model;
+    }
+
+    @Override
+    public String getErrorPath() {
+        return "/error";
+    }
+}