From 68e451ed9e571799c84c0a795b242bf2d2e883c8 Mon Sep 17 00:00:00 2001
From: User_cyk <1020691186@qq.com>
Date: Mon, 3 Jul 2023 10:33:52 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E9=A1=B9=E7=9B=AE=E8=AF=A6?=
 =?UTF-8?q?=E6=83=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/com/hellogithub/dao/projectDao.java         | 17 +++++++++++++++++
 src/com/hellogithub/service/projectService.java |  3 +++
 .../servlet/selectProByIdServlet.java           |  5 +++++
 3 files changed, 25 insertions(+)

diff --git a/src/com/hellogithub/dao/projectDao.java b/src/com/hellogithub/dao/projectDao.java
index a237490..d35f93c 100644
--- a/src/com/hellogithub/dao/projectDao.java
+++ b/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;
+    }
 }
diff --git a/src/com/hellogithub/service/projectService.java b/src/com/hellogithub/service/projectService.java
index 135222b..5aa50b8 100644
--- a/src/com/hellogithub/service/projectService.java
+++ b/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);
+    }
 }
\ No newline at end of file
diff --git a/src/com/hellogithub/servlet/selectProByIdServlet.java b/src/com/hellogithub/servlet/selectProByIdServlet.java
index 0401666..64b89ed 100644
--- a/src/com/hellogithub/servlet/selectProByIdServlet.java
+++ b/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) {