删除 'src/change.java'

src/change.java

@@ -1,66 +0,0 @@
-package p1;
-
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-public class change extends HttpServlet {
-
-    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
-            throws ServletException, IOException {
-        response.setContentType("text/html;charset=UTF-8");
-        try (PrintWriter out = response.getWriter()) {
-            
-            String driver="com.mysql.cj.jdbc.Driver";
-            String url="jdbc:mysql://localhost:3306/edu?characterEncoding=utf-8"
-                    + "&serverTimezone=UTC";
-            String usr="root";
-            String password="1234";
-            try{
-                Class.forName(driver);
-                Connection conn=DriverManager.getConnection(url,usr,password);
-                String sqlString="update manager1 set name=?,gender=?,telephone=?,mailbox=?,age=?,department=? where count=?";
-                PreparedStatement pstmt=conn.prepareStatement(sqlString);
-                pstmt.setString(7, request.getParameter("count"));
-                pstmt.setString(1, request.getParameter("name"));
-                pstmt.setString(2, request.getParameter("gender"));
-                pstmt.setString(3, request.getParameter("telephone"));
-                pstmt.setString(4, request.getParameter("mailbox"));
-                pstmt.setString(5, request.getParameter("age"));
-                pstmt.setString(6, request.getParameter("department"));
-                
-                pstmt.execute();
-            }catch(Exception e){ 
-                System.err.println("error:"+e);
-            }
-            response.sendRedirect("pages/display.jsp");
-        }
-    }
-
-    @Override
-    protected void doGet(HttpServletRequest request, HttpServletResponse response)
-            throws ServletException, IOException {
-        processRequest(request, response);
-    }
-
-    @Override
-    protected void doPost(HttpServletRequest request, HttpServletResponse response)
-            throws ServletException, IOException {
-        processRequest(request, response);
-    }
-
-    @Override
-    public String getServletInfo() {
-        return "Short description";
-    }
-
-}
-