javascript+我的第一个前台页面完全验证

package com.ucap.train.linwb.servlet; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import com.ucap.train.linwb.bean.User; import com.ucap.train.linwb.dao.IUserDao; import com.ucap.train.linwb.dao.UserDaoImpl; import com.ucap.train.linwb.util.Common; import com.ucap.train.linwb.util.PageUtil; /** * 控制类 * @author Administrator * */ public class UserServlet extends HttpServlet { private static Logger log = Logger.getLogger(UserServlet.class); /** * 初始化 */ public void init() throws ServletException { // Put your code here } /** * 销毁 */ public void destroy() { super.destroy(); // Just puts "destroy" string in log } /** * get方法提交 */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doService(request,response); } /** * post方法提交 */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doService(request,response); } /** * 处理统一入口 * @param request * @param response * @throws ServletException * @throws IOException */ public void doService(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException{ try { String act = Common.checkNull(String.valueOf(request.getParameter("act"))); if(act.equals("list")){//显示列表 list(request,response); } else if(act.equals("read")){//显示新增、修改页面 read(request,response); } else if(act.equals("add")){//新增操作 add(request,response); } else if(act.equals("modify")){//修改操作 modify(request,response); } else if(act.equals("delete")){//删除操作 delete(request,response); } else{//显示列表 list(request,response); } } catch ( Exception e ) { log.error("",e ); } } /** * @param request * @param response * @throws Exception */ public void list(HttpServletRequest request,HttpServletResponse response)throws Exception{ //数据访问对象 IUserDao tudao = new UserDaoImpl(); //获取当前页面的页码数 String currtps = request.getParameter("currentPage"); if(currtps==null || currtps.equals("")) { currtps = 1+""; } Integer currentPage = Integer.parseInt(currtps ); if(currentPage==null) { currentPage = 1; } System.out.println(currentPage+"--为当前页数"); String find_name = Common.checkNull(request.getParameter("find_name")); String find_keyword = Common.checkNull(request.getParameter("find_keyword")); String condition = ""; String andStr = ""; List<User> rstList = new ArrayList<User>(); try { if(!find_name.equals("")){ condition += andStr + " name ='"+find_name+"' "; andStr = " and "; } if(!find_keyword.equals("")){ condition += andStr + "( name like '%"+find_keyword+ "%' or sex like '%"+find_keyword+ "%' or nativeplace like '%"+find_keyword+ "%' or school like '%"+find_keyword+ "%' or education like '%"+find_keyword+ "%' or phone like '%"+find_keyword+ "%' or address like '%"+find_keyword+ "%' or IDCard like '%"+find_keyword+ "%' or birthday like '%"+find_keyword+ "%' or political_aff like '%"+find_keyword+ "%' or pecialty like '%"+find_keyword+ "%' or gradu_time like '%"+find_keyword+ "%' or email like '%"+find_keyword+ "%' or remark like '%"+find_keyword+"%' ) "; andStr = " and "; } System.out.println("conditon:-----------------------------------"+condition); //获取所有记录的总数 int rows = tudao.getTotal(condition); int totalPage = (int)((rows-1)/PageUtil.size)+1; PageUtil page = new PageUtil(rows,currentPage); rstList = tudao.findPage(page,condition); request.setAttribute("find_name", find_name); request.setAttribute("find_keyword", find_keyword); request.setAttribute("rstList", rstList); request.setAttribute("totalPage", totalPage); request.setAttribute("currentPage", currentPage); RequestDispatcher rd = request.getRequestDispatcher("train/linwb/user_list.jsp"); rd.forward(request, response); } catch (Exception e) { log.info("",e); } } /** * 读取记录 * @param request * @param response * @throws Exception */ public void read(HttpServletRequest request,HttpServletResponse response)throws Exception{ String idString = Common.checkNull(request.getParameter("id")); Integer id = Integer.parseInt(idString); System.out.println(id+"================================="); String act = ""; try { User rstBean = new User(); IUserDao tudao = new UserDaoImpl(); if(id==-1){ //rstBean.setName(""); rstBean.setName(""); rstBean.setSex(""); rstBean.setNativplace(""); rstBean.setSclool(""); rstBean.setPhone(""); rstBean.setAddress(""); rstBean.setRemark(""); rstBean.setEducation(""); rstBean.setEmail(""); rstBean.setIDCard(""); rstBean.setPecialty(""); rstBean.setPolitical_aff(""); rstBean.setBirthday(""); rstBean.setGradu_time(""); act="add"; } else{ rstBean = tudao.findById(id); System.out.println(rstBean+"----------------------------------"); act="modify"; } request.setAttribute("rstBean", rstBean); request.setAttribute("act", act); RequestDispatcher rd = request.getRequestDispatcher("train/linwb/user_edit.jsp"); rd.forward(request, response); } catch (Exception e) { log.info("",e); } } /** * 新增操作 * @param request * @param response * @throws Exception */ public void add(HttpServletRequest request,HttpServletResponse response)throws Exception{ SimpleDateFormat df =new SimpleDateFormat("yyyy-MM-dd"); String name = Common.checkNull(request.getParameter("name")); String sex = Common.checkNull(request.getParameter("sex")); String nativeplace = Common.checkNull(request.getParameter("nativeplace")); String school = Common.checkNull(request.getParameter("school")); String education = Common.checkNull(request.getParameter("education")); String phone = Common.checkNull(request.getParameter("phone")); String address = Common.checkNull(request.getParameter("address")); String IDCard = Common.checkNull(request.getParameter("IDCard")); String birthday = Common.checkNull(request.getParameter("birthday")); //Date brithday = df.parse(birthday_s); String political_aff = Common.checkNull(request.getParameter("political_aff")); String pecialty = Common.checkNull(request.getParameter("pecialty")); String gradu_time = Common.checkNull(request.getParameter("gradu_time")); //Date gradu_time = df.parse(gradu_time_s); String email = Common.checkNull(request.getParameter("email")); String remark = Common.checkNull(request.getParameter("remark")); try { User rstBean = new User(); rstBean.setName(name); rstBean.setSex(sex); rstBean.setNativplace(nativeplace); rstBean.setSclool(school); rstBean.setEducation(education); rstBean.setPhone(phone); rstBean.setAddress(address); rstBean.setIDCard(IDCard); rstBean.setBirthday(birthday); rstBean.setPolitical_aff(political_aff); rstBean.setPecialty(pecialty); rstBean.setGradu_time(gradu_time); rstBean.setEmail(email); rstBean.setRemark(remark); IUserDao tudao =