添加项目详情

src/com/hellogithub/dao/projectDao.java

@@ -187,4 +187,21 @@ public class projectDao {
         }
         return projectEntity;
     }
+
+    /**
+     * 根据项目ID增加观看量
+     */
+    public int addProjectLookcount(String id ) {
+        int num;
+        try {
+            Connection conn = JdbcUtils.getConnection();
+            QueryRunner runner = new QueryRunner();
+            String sql = "UPDATE project SET lookcount = lookcount+1 WHERE projectId= ?";
+            num = runner.update(conn, sql,id);
+            conn.close();
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+        return num;
+    }
 }

src/com/hellogithub/service/projectService.java

@@ -123,4 +123,7 @@ public class projectService {
         projectEntity.setCategoryName(categoryEntity.getCategoryName());
         return projectEntity;
     }
+    public int addProjectLookcount(String id ){
+        return projectDao.addProjectLookcount(id);
+    }
 }

src/com/hellogithub/servlet/selectProByIdServlet.java

@@ -39,9 +39,14 @@ public class selectProByIdServlet extends HttpServlet {
         resp.setContentType("application/json;charset=UTF-8");
         //按照分类返回期刊
         String id = req.getParameter("xxxxxxx");
+        int num = projectService.addProjectLookcount(id);
+
         PrintWriter writer = resp.getWriter();
         String jsonString = JSONObject.toJSONString(projectService.selectProById(id));
         writer.println(jsonString);
+        if(num == 0 ){
+            setResult(200, "观看量增加失败", writer);
+        }
         writer.close();
     }
     public void setResult(Integer code, String msg, PrintWriter writer) {