更新

src/com/hellogithub/dao/projectDao.java

@@ -24,7 +24,7 @@ public class projectDao {
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql = "select * from project where periodicals = ? and isValid = 1ORDER BY categoryId";
+            String sql = "select * from project where periodicals = ? and isValid = 1 ORDER BY categoryId";
             projectEntityList = runner.query(conn, sql, new BeanListHandler<>(projectEntity.class), num);
             conn.close();
         } catch (SQLException e) {
@@ -61,7 +61,7 @@ public class projectDao {
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql = "select count(*) as num from project where isValid = 1";
+            String sql = "select count(*) as num from project";
             p  = runner.query(conn, sql, new BeanHandler<>(projectEntity.class));
             count = p.getNum();
             conn.close();

src/com/hellogithub/service/projectService.java

@@ -14,7 +14,7 @@ import java.util.*;
 public class projectService {
 
 
-    private projectDao projectDao = new projectDao();
+    private static projectDao projectDao = new projectDao();
     private categoryDao categoryDao = new categoryDao();
     /**
      * 按照期刊号查询
@@ -27,12 +27,10 @@ public class projectService {
         String now =null;
         for(int i =0;i<projectEntityList.size();i++)
         {
-
             projectEntity projectEntity = projectEntityList.get(i);
             categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
             projectEntity.setCategoryName(categoryEntity.getCategoryName());
             now =projectEntity.getCategoryName();
-
             if(i == 0) tem = now;
             if(!tem.equals(now)){
                 tem=now;
@@ -40,7 +38,6 @@ public class projectService {
                 projectEntityListTem = new ArrayList<>();
             }
                 projectEntityListTem.add(projectEntity);
-
         }
         return JSONObject.toJSONString(dataMap);
 
@@ -181,4 +178,5 @@ public class projectService {
         List<projectEntity> projectEntityList = projectDao.retProjectByUserId(id);
         return JSONObject.toJSONString(projectEntityList);
     }
+
 }

src/com/hellogithub/servlet/retLabelServlet.java

@@ -37,7 +37,6 @@ public class retLabelServlet extends HttpServlet {
         resp.setHeader("Access-Control-Max-Age", "3600");
         resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
         resp.setContentType("application/json;charset=UTF-8");
-
         PrintWriter writer = resp.getWriter();
         String jsonString = JSONObject.toJSONString(categoryService.retLabel());
         writer.println(jsonString);

src/com/hellogithub/servlet/selectByInputServlet.java

@@ -22,7 +22,7 @@ public class selectByInputServlet extends HttpServlet {
     private com.hellogithub.service.projectService projectService=new projectService();
     private UserService userService = new UserService();
     @Override
-    public void init(ServletConfig config) throws ServletException {
+    public void init(ServletConfig config) throws ServletException{
 
     }
 

src/com/hellogithub/servlet/selectTermServlet.java

@@ -39,7 +39,7 @@ public class selectTermServlet extends HttpServlet {
         resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
         resp.setContentType("application/json;charset=UTF-8");
         //按照分类返回期刊
-        String num = req.getParameter("id");
+        String num = req.getParameter("type");
         PrintWriter writer = resp.getWriter();
         writer.println(projectService.retTerm(num));
 //        setResultOK("123",writer);