jspblog : views count

jspblog/src/main/java/com/example/jspblog/domain/board/BoardDao.java

@@ -118,4 +118,24 @@ public class BoardDao {
         }
         return null;
     }
+
+    public int updateReadCount(int id) {
+        String sql = "update board set readCount=readCount+1 where id =?";
+        Connection conn = DB.getConnection();
+        PreparedStatement pstmt = null;
+
+        if (conn != null) {
+            try {
+                pstmt = conn.prepareStatement(sql);
+                pstmt.setInt(1, id);
+                int result = pstmt.executeUpdate();
+                return result;
+            } catch (Exception e) {
+                e.printStackTrace();
+            } finally {
+                DB.close(conn, pstmt);
+            }
+        }
+        return -1;
+    }
 }

jspblog/src/main/java/com/example/jspblog/service/BoardService.java

@@ -28,6 +28,7 @@ public class BoardService {
     }
 
     public DetailResDto 글상세보기(int id) {
-        return boardDao.findById(id);
+        int result = boardDao.updateReadCount(id);
+        return result == 1 ? boardDao.findById(id) : null;
     }
 }

jspblog/src/main/java/com/example/jspblog/web/BoardController.java

@@ -73,8 +73,13 @@ public class BoardController extends HttpServlet {
             case "detail" : {
                 int id = Integer.parseInt(request.getParameter("id"));
                 DetailResDto dto = boardService.글상세보기(id);
-                request.setAttribute("detail", dto);
-                request.getRequestDispatcher("board/detail.jsp").forward(request, response);
+                if (dto == null) {
+                    Script.back(response, "상세보기에 실패하였습니다.");
+                } else {
+                    request.setAttribute("detail", dto);
+                    request.getRequestDispatcher("board/detail.jsp").forward(request, response);
+                }
+
             }
         }
     }