全局拦截器

src/main/java/cn/chjyj/szwh/Interceptor/ChInterceptor.java

@@ -0,0 +1,65 @@
+package cn.chjyj.szwh.Interceptor;
+
+
+import cn.chjyj.szwh.exception.ChException;
+import org.apache.commons.lang.StringUtils;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@Component
+public class ChInterceptor implements HandlerInterceptor {
+
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        //输出头
+        setHeader(response,request);
+        //如果非login页面，则判断header 中是否有 chtoken
+        String url=request.getRequestURI().trim();
+        if(!url.contains("/login")){
+            String chtoken = request.getHeader("chtoken");
+            if(StringUtils.isEmpty(chtoken)){
+                throw new ChException("token记录不存在，请确认是否已经登录成功");
+            }
+            //String token = request.getParameter("token");
+//            if(StringUtils.isBlank(token)){
+//                throw new ChException("token没有传入，禁止使用");
+//            }
+            //调用验证
+//            if(rsaService.chkToken(token)){
+//                return true;
+//            }
+        }
+        return false;
+    }
+
+    /**
+     * 设置输出头,添加跨域
+     * @param response
+     */
+    private void setHeader(HttpServletResponse response,HttpServletRequest request){
+        //跨域的header设置
+        response.setHeader("Access-control-Allow-Origin", request.getHeader("Origin"));
+        response.setHeader("Access-Control-Allow-Methods", request.getMethod());
+        response.setHeader("Access-Control-Allow-Credentials", "true");
+        response.setHeader("Access-Control-Allow-Headers", request.getHeader("Access-Control-Request-Headers"));
+        // 个性化主机设置
+        response.setHeader("chhong","true");
+        // 防止乱码
+        response.setHeader("Content-Type","application/json;charset=UTF-8");
+    }
+
+    @Override
+    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+        // 拦截post
+    }
+
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        // 完成后的请求
+    }
+}