更新

helloGithub.iml

@@ -17,8 +17,8 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
-    <orderEntry type="inheritedJdk" />
+    <orderEntry type="jdk" jdkName="11" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="libs" level="project" />
+    <orderEntry type="library" name="libs" level="project" />
   </component>
 </module>

src/com/hellogithub/dao/projectDao.java

@@ -41,7 +41,7 @@ public class projectDao {
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql = "select * from project Group BY periodicals DESC limit 1";
+            String sql = "select * from project Order BY periodicals DESC limit 1";
             projectEntity = runner.query(conn, sql, new BeanHandler<>(projectEntity.class));
             conn.close();
         } catch (SQLException e) {

src/com/hellogithub/servlet/countNumServlet.java

@@ -12,6 +12,7 @@ import jakarta.servlet.http.HttpServletResponse;
 
 import java.io.IOException;
 import java.io.PrintWriter;
+//项目总数接口
 @WebServlet("/countNum")
 public class countNumServlet extends HttpServlet {
     private projectService projectService=new projectService();
@@ -39,9 +40,10 @@ public class countNumServlet extends HttpServlet {
         resp.setContentType("application/json;charset=UTF-8");
 
         PrintWriter writer = resp.getWriter();
-        String  str= "num:"+projectService.countAll();
+        String  str= String.valueOf(projectService.countAll());
         String jsonString = JSONObject.toJSONString(str);
         writer.println(jsonString);
         writer.close();
     }
+
 }

src/com/hellogithub/servlet/latestServlet.java

@@ -19,7 +19,7 @@ public class latestServlet extends HttpServlet {
     private com.hellogithub.service.projectService projectService=new projectService();
     @Override
     public void init(ServletConfig config) throws ServletException {
-
+        super.init(config);
     }
 
     @Override
@@ -42,7 +42,7 @@ public class latestServlet extends HttpServlet {
         //返回最新期刊数字
         PrintWriter writer = resp.getWriter();
         String jsonString = JSONObject.toJSONString(projectService.latestNum());
-        setResultOK("success",writer);
+//        setResultOK("success",writer);
         writer.println(jsonString);
         writer.close();
     }
@@ -63,5 +63,10 @@ public class latestServlet extends HttpServlet {
     public void setResultOK(String msg, PrintWriter writer) {
         setResult(200, msg, writer);
     }
+
+    @Override
+    public void destroy() {
+        super.destroy();
+    }
 }