更新

src/com/hellogithub/service/projectService.java

@@ -40,11 +40,14 @@ public class projectService {
             categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
             projectEntity.setCategoryName(categoryEntity.getCategoryName());
             now = projectEntity.getCategoryName();
-            if(i == 0) tem = now;
+            if(i == 0) {
+                tem = now;
+            }
             if(!tem.equals(now)){
                 dataMap.put(tem,projectEntityListTem);
                 tem=now;
                 projectEntityListTem = new ArrayList<>();
+
             }
             projectEntityListTem.add(projectEntity);
         }

src/com/hellogithub/servlet/systemAdmin/updateArticleByAdminServlet.java

@@ -45,7 +45,7 @@ public class updateArticleByAdminServlet extends HttpServlet {
             setResultError("管理员未登录", writer);
         }else{
             int articleId= Integer.parseInt(req.getParameter("articleId"));
-            String username = req.getParameter("username");
+            int userId = Integer.parseInt(req.getParameter("userId"));
             String articleContent = req.getParameter("articleContent");
             String articleTitle = req.getParameter("articleTitle");
             String articleIco = req.getParameter("articleIco");
@@ -54,7 +54,6 @@ public class updateArticleByAdminServlet extends HttpServlet {
 
             Date publishTime= new java.sql.Date(new java.util.Date().getTime());
             String time= String.valueOf(publishTime);
-            int userId = userService.selectIdByName(username);
             int bool = articleService.updateArticle(articleId,userId,articleContent, time,
                     readCount,articleTitle,isValid,articleIco
             );