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  • 第五周总结

    用户管理界面,权限可以由管理员进行更改

    package servlet;
    
    import java.io.IOException;
    import java.util.ArrayList;
    
    import javax.servlet.ServletException;
    import javax.servlet.annotation.WebServlet;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import bean.Users;
    import util.DBUtil;
    
    /**
     * Servlet implementation class getAllUser
     */
    @WebServlet("/getAllUser")
    public class getAllUser extends HttpServlet {
        private static final long serialVersionUID = 1L;
        
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub
            ArrayList<Users> list=DBUtil.getAllUser();
            request.setAttribute("list", list);
            request.getRequestDispatcher("Usermanage.jsp").forward(request, response);
        }
    
        /**
         * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub
            doGet(request, response);
        }
    
    }
    package test2;
    
    import java.io.IOException;
    import java.util.ArrayList;
    
    import javax.servlet.ServletException;
    import javax.servlet.annotation.WebServlet;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import test2.table;
    import test2.DBUtil;
    
    /**
     * Servlet implementation class queryTable
     */
    @WebServlet("/queryTable")
    public class queryTable extends HttpServlet {
        private static final long serialVersionUID = 1L;
           
        /**
         * @see HttpServlet#HttpServlet()
         */
        public queryTable() {
            super();
            // TODO Auto-generated constructor stub
        }
    
        /**
         * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub
            request.setCharacterEncoding("utf-8");
            String type=request.getParameter("type");
            if(type.equals("all"))
            {
                ArrayList<table> list=DBUtil.gettables("all");
                request.setAttribute("list", list);
                request.getRequestDispatcher("chaxun.jsp").forward(request, response);
            }
            else
            {
                String value=request.getParameter("value");
                System.out.println(value);
                if(value.length()!=0) {
                    ArrayList<table> list=DBUtil.getDocesByCase(type,value);
                    request.setAttribute("list", list);
                    request.getRequestDispatcher("chaxun.jsp").forward(request, response);
                }
                else {
                    ArrayList<table> list=DBUtil.gettables("all");
                    request.setAttribute("list", list);
                    request.getRequestDispatcher("chaxun.jsp").forward(request, response);
                }
            }
        }
    
        /**
         * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub
            doGet(request, response);
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/sunhongbin/p/14211112.html
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