刷新按钮 1

来源：互联网发布：网络文学创作原理在线编辑：程序博客网时间：2024/05/16 15:12

//---------------------将它的值默认设置在界面上，刷新时使用s----------------------------------------
         //获取查询参数
          String lineId = request.getParameter("productLine");
         String familyId = request.getParameter("productFamily");
         String productId = request.getParameter("product");
         String checker = request.getParameter("checker");
         if (null == checker || "".equals(checker) || "null".equalsIgnoreCase(checker.trim())){
             checker = "";
         }

         if (null == lineId || "".equals(lineId) || "null".equalsIgnoreCase(lineId.trim())){
             lineId = "";
         }
         if (null == familyId || "".equals(familyId) || "null".equalsIgnoreCase(familyId.trim())){
             familyId = "";
         }
         if (null == productId || "".equals(productId) || "null".equalsIgnoreCase(productId.trim())){
             productId = "";
         }
         request.setAttribute("lineId", lineId);
         request.setAttribute("familyId", familyId);
         request.setAttribute("productId", productId);
         request.setAttribute("checker", checker);