<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <servlet> <servlet-name>Register</servlet-name> <servlet-class>com.zr.homework.servlet.Register</servlet-class> </servlet> <servlet> <servlet-name>LoginServlet</servlet-name> <servlet-class>com.zr.homework.servlet.LoginServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>Register</servlet-name> <url-pattern>/Register</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>LoginServlet</servlet-name> <url-pattern>/LoginServlet</url-pattern> </servlet-mapping> </web-app>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> 登陆成功<br> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>登录页面</title> <script type="text/javascript"> function checkName(){ // 获取相应标签 var name = document.getElementsByName("name")[0]; // 获取下一个兄弟节点 var userTip = name.nextSibling; userTip.style.color="red"; // 判断用户名是否为空,空提示错误 if(name.value=="" || name.value==null){ userTip.innerHTML = "用户名不能为空"; }else{ var request = new XMLHttpRequest(); var method = "GET"; var url = "LoginServlet?name="+name.value; request.open(method, url, true, null, null); request.send(null); request.onreadystatechange = function(){ if(request.readyState==4){ if(request.status==200 || request.status==304){ userTip.innerHTML = request.responseText; } } }; }; } function checkPwd(){ // 获取相应标签 var name = document.getElementsByName("password")[0]; // 获取下一个兄弟节点 var userTip = name.nextSibling; userTip.style.color="red"; // 判断用户名是否为空,空提示错误 if(name.value=="" || name.value==null){ userTip.innerHTML = "密码不能为空"; }else{ userTip.innerHTML = ""; } } </script> </head> <body> <h1>登录</h1> <form action="LoginServlet" method="post"> 用户名:<input type="text" name="name" onblur="checkName()" value="${param.name }"><span></span><br><br> 密码:<input type="password" name="password" onblur="checkPwd()" value="${param.password }"><span></span><br><br> <input type="submit" value="登录" > </form> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>注册页面</title> <script type="text/javascript" src="js/jqeury/jquery-3.1.0.min.js"></script> <script type="text/javascript" src="js/register.js"></script> </head> <body> <form action="Register" method="post"> 用户名:<input type="text" id="name" name="name"><span></span><br><br> 密码:<input type="password" att="one" name="password" placeholder="3到15位字母和数字"><span></span><br><br> 确认密码:<input type="password" att="two" ><span></span><br><br> 邮箱:<input type="text" class="email" name="email"><span></span><br><br> 身份证号:<input type="text" class="IDCard" name="IDCard"><span></span><br><br> 出生年月日:<input type="text" readonly="readonly" name="birthday"><span></span><br><br> <input type="submit" value="提交" onclick="return checkRegister()"> </form> </body> </html>
$(function(){ $("span").css("color","red"); $("#name").blur(function(){ var value = $("#name").val(); //如果为空，提示不能为空，否则清除提示信息 if(value==null || value==""){ $("#name+span").html("用户名不能为空"); }else{ $.post("Register",{"name":value,"action":"requery"},function(data){ var isRegistered = eval("("+data+")"); if(isRegistered==true){ $("#name+span").html("该用户已被注册"); }else{ $("#name+span").html(""); } },"text"); } $("input[att=one]").blur(function(){ var value = $("input[att=one]").val(); //如果为空，提示不能为空，否则清除提示信息 if(value==null || value==""){ $("input[att=one]+span").html("密码不能为空"); }else{ $("input[att=one]+span").html(""); } }); $("input[att=two]").blur(function(){ var value = $("input[att=two]").val(); //如果为空，提示不能为空，否则清除提示信息 if(value==null || value==""){ $("input[att=two]+span").html("确认密码不能为空"); }else{ $("input[att=two]+span").html(""); } }); $(".email").blur(function(){ var value = $(".email").val(); //如果为空，提示不能为空，否则清除提示信息 if(value==null || value==""){ $(".email+span").html("邮箱不能为空"); }else{ $(".email+span").html(""); } }); $(".IDCard").blur(function(){ var value = $(".IDCard").val(); //如果为空，提示不能为空，否则清除提示信息 if(value==null || value==""){ $(".IDCard+span").html("身份证号不能为空"); }else{ $(".IDCard+span").html(""); } // 从身份证号中截取生日 var str = value.substring(6,14); var year = str.substring(0,4); var month = str.substring(4,6); var day = str.substring(6,8); var birthday = year+"-"+month+"-"+day; $("input[readonly=readonly]").val(birthday); }); }); }); function checkRegister(){ //检查参数是否为空 var value1 = $("#name").val(); if(value1==null || value1==""){ $("#name+span").html("用户名不能为空"); return false; } var value2 = $("input[att=one]").val(); if(value2==null || value2==""){ $("input[att=one]+span").html("密码不能为空"); return false; } var value3 = $("input[att=two]").val(); if(value3==null || value3==""){ $("input[att=two]+span").html("确认密码不能为空"); return false; } var value4 = $(".email").val(); if(value4==null || value4==""){ $(".email+span").html("邮箱不能为空"); return false; } var value5 = $(".IDCard").val(); if(value5==null || value5==""){ $(".IDCard+span").html("身份证号不能为空"); return false; } //检查密码是否正确(暂时不处理，密码的正则表达式) var pwdIsRight = false; // 3到15位字母和数字 var reg1 = /^[a-zA-Z0-9]{3,15}$/; // 包含字母 var reg2 = /[a-zA-Z]/; // 包含数字 var reg3 = /[0-9]/; if(reg1.test(value2)&®2.test(value2)&®3.test(value2)){ $("input[att=one]+span").html(""); pwdIsRight = true; }else{ $("input[att=one]+span").html("密码不正确"); return false; } //检查密码与确认密码是否相同 var isEqual = false; if(value2==value3){ isEqual = true; $("input[att=one]+span").html(""); }else{ $("input[att=one]+span").html("密码不匹配"); return false; } // 检查邮箱是否正确 var emailIsRight = false; var regEmail = /^([a-z0-9_.-]+)@([da-z.-]+).([a-z.]{2,6})$/; if(regEmail.test(value4)){ $(".email+span").html(""); emailIsRight = true; }else{ $(".email+span").html("邮箱不正确"); return false; } var IDIsRight = false; // 18位数字 var regID = /^[0-9]{18}$/; if(regID.test(value5)){ IDIsRight = true; $(".IDCard+span").html(""); }else{ $(".IDCard+span").html("身份证号不正确"); return false; } //如果全都正确就返回true，否则返回false if(pwdIsRight==true && isEqual==true && emailIsRight==true && IDIsRight==true){ return true; } return false; }
<?xml version="1.0" encoding="UTF-8"?> <!-- c3p0-config.xml文件配置 --> <c3p0-config> <named-config name="getconnection"> <!-- 基本配置 --> <property name="user">LF</property> <property name="password">LF</property> <property name="jdbcUrl">jdbc:oracle:thin:@192.168.10.105:1521:orcl</property> <property name="driverClass">oracle.jdbc.driver.OracleDriver</property> <!-- 配置初始值 --> <property name="initialPoolSize">16</property> <property name="maxPoolSize">25</property> <property name="minPoolSize">10</property> </named-config> </c3p0-config>
package com.zr.homework.utils; import java.sql.Connection; import java.sql.SQLException; import javax.sql.DataSource; import com.mchange.v2.c3p0.ComboPooledDataSource; public class JdbcUtils { /** * 获取数据库连接 * @return */ public static Connection getConnection() { DataSource ds = new ComboPooledDataSource("getconnection"); Connection connection = null; try { connection = ds.getConnection(); return connection; } catch (SQLException e) { e.printStackTrace(); } return null; } }
package com.zr.homework.pojo; public class Person { private String name;//用户名 private String password;//密码 private String email;//邮箱 private String ID;//身份证 private String birthday;//出生年月日 public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public String getID() { return ID; } public void setID(String iD) { ID = iD; } public String getBirthday() { return birthday; } public void setBirthday(String birthday) { this.birthday = birthday; } public Person() { super(); } public Person(String name, String password, String email, String iD, String birthday) { super(); this.name = name; this.password = password; this.email = email; ID = iD; this.birthday = birthday; } @Override public String toString() { return "Person [name=" + name + ", password=" + password + ", email=" + email + ", ID=" + ID + ", birthday=" + birthday + "]"; } }
package com.zr.homework.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.zr.homework.UserDao.impl.UserDaoImpl; import com.zr.homework.UserServiceImpl.UserServiceImpl; import com.zr.homework.pojo.Person; /** * * @author lf * */ public class LoginServlet extends HttpServlet { private static final long serialVersionUID = 1L; @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { /*System.out.println("LoginServlet...doGet...");*/ resp.setCharacterEncoding("utf-8"); String name = req.getParameter("name"); UserServiceImpl impl = new UserServiceImpl(); Person p = new Person(name, null, null, null, null); boolean had = impl.requeryUserService(p); System.out.println(had); if(had){ resp.getWriter().print(""); }else{ resp.getWriter().print("该用户不存在"); } } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("LoginServlet...doPost..."); String name = request.getParameter("name"); String password = request.getParameter("password"); System.out.println(name+","+password); Person p = new Person(name, password, null, null, null); UserServiceImpl impl = new UserServiceImpl(); boolean success = impl.loginService(p); if (success) { response.sendRedirect(request.getContextPath()+"/index.jsp"); }else { request.getRequestDispatcher("/login.jsp").forward(request, response); } } }
package com.zr.homework.servlet; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.zr.homework.UserDao.impl.UserDaoImpl; import com.zr.homework.UserService.UserService; import com.zr.homework.UserServiceImpl.UserServiceImpl; import com.zr.homework.pojo.Person; public class Register extends HttpServlet { private static final long serialVersionUID = 1L; @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { System.out.println("doGet..."); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("Register...doPost..."); UserServiceImpl impl = new UserServiceImpl(); String name = request.getParameter("name"); String action = request.getParameter("action"); // 检查是查询还是注册 if("requery".equals(action)){ Person p = new Person(name, null, null, null, null); boolean isExited = impl.requeryUserService(p); response.getWriter().print(isExited); }else{ System.out.println("注册用户"); //获取相应的值 String username = request.getParameter("name"); String password = request.getParameter("password"); String email = request.getParameter("email"); String IDCard = request.getParameter("IDCard"); String birthday = request.getParameter("birthday"); System.out.println("birthday:"+birthday); Person person = new Person(username, password, email, IDCard, birthday); System.out.println(person); // 注册服务 boolean isSuccess = impl.addUserService(person); // 如果注册成功，重定向到登录页面，否则重定向到错误页面 if(isSuccess){ response.sendRedirect(request.getContextPath()+"/login.jsp"); }else { response.sendRedirect(request.getContextPath()+"/error.jsp"); } } } }
package com.zr.homework.UserDao; import java.util.List; import com.zr.homework.pojo.Person; /** * * @author lf * */ public interface UserDao { /** * 查询 * @param p 用户 * @return */ public boolean requeryUser(Person p); /** * 添加用户 * @param p 用户 * @return */ public boolean addUser(Person p); /** * 用户登录 * @param p * @return */ public boolean userLogin(Person p); }
package com.zr.homework.UserDao.impl; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import com.zr.homework.UserDao.UserDao; import com.zr.homework.pojo.Person; import com.zr.homework.utils.JdbcUtils; public class UserDaoImpl implements UserDao{ @Override public boolean requeryUser(Person p) { boolean isExited = false; // 如果为空，直接返回false if (p==null) { return isExited; } //获取连接 Connection connection = JdbcUtils.getConnection(); //SQL语句 String sql = "SELECT NAME FROM HW WHERE NAME=?"; //创建预编译 PreparedStatement pStatement = null; ResultSet rSet = null; try { // 执行SQL语句 pStatement = connection.prepareStatement(sql); // 设置相应的参数 pStatement.setString(1, p.getName()); //查询结果集，有就返回ture，否则返回false rSet = pStatement.executeQuery(); if (rSet.next()) { isExited = true; } } catch (SQLException e) { e.printStackTrace(); }finally{ //关闭相应对象 try { if (rSet!=null) { rSet.close(); } if (pStatement!=null) { pStatement.close(); } if (connection!=null) { connection.close(); } } catch (Exception e) { e.printStackTrace(); } } return isExited; } @Override public boolean addUser(Person p) { boolean isSuccess=false; // 如果为空，直接返回false if (p==null) { return false; } //获取连接 Connection connection = JdbcUtils.getConnection(); //SQL语句 String sql = "INSERT INTO HW VALUES(?,?,?,?,?)"; //创建预编译 PreparedStatement pStatement = null; int successAmount = -1; try { // 执行SQL语句 pStatement = connection.prepareStatement(sql); // 设置相应的参数 pStatement.setString(1, p.getName()); pStatement.setString(2, p.getPassword()); pStatement.setString(3, p.getEmail()); pStatement.setString(4, p.getID()); pStatement.setString(5, p.getBirthday()); //操作成功数大于零，就返回ture，否则返回false successAmount = pStatement.executeUpdate(); if (successAmount>0) { isSuccess = true; } } catch (SQLException e) { e.printStackTrace(); }finally{ //关闭相应对象 try { if (pStatement!=null) { pStatement.close(); } if (connection!=null) { connection.close(); } } catch (Exception e) { e.printStackTrace(); } } return isSuccess; } @Override public boolean userLogin(Person p) { boolean isExited = false; // 如果为空，直接返回false if (p==null) { return isExited; } //获取连接 Connection connection = JdbcUtils.getConnection(); //SQL语句 String sql = "SELECT NAME FROM HW WHERE NAME=? AND PASSWORD=?"; //创建预编译 PreparedStatement pStatement = null; ResultSet rSet = null; try { // 执行SQL语句 pStatement = connection.prepareStatement(sql); // 设置相应的参数 pStatement.setString(1, p.getName()); pStatement.setString(2, p.getPassword()); //查询结果集，有就返回ture，否则返回false rSet = pStatement.executeQuery(); if (rSet.next()) { isExited = true; } } catch (SQLException e) { e.printStackTrace(); }finally{ //关闭相应对象 try { if (rSet!=null) { rSet.close(); } if (pStatement!=null) { pStatement.close(); } if (connection!=null) { connection.close(); } } catch (Exception e) { e.printStackTrace(); } } return isExited; } }
package com.zr.homework.UserService; import com.zr.homework.pojo.Person; /** * * @author lf * */ public interface UserService { /** * 用户查询服务 * @param p * @return */ public boolean requeryUserService(Person p); /** * 注册服务 * @param p * @return */ public boolean addUserService(Person p); /** * 登陆服务 * @param p * @return */ public boolean loginService(Person p); }
package com.zr.homework.UserServiceImpl; import com.zr.homework.UserDao.impl.UserDaoImpl; import com.zr.homework.UserService.UserService; import com.zr.homework.pojo.Person; public class UserServiceImpl implements UserService{ /** * 用户查询 */ @Override public boolean requeryUserService(Person p) { UserDaoImpl impl = new UserDaoImpl(); return impl.requeryUser(p); } /** * 注册服务 */ @Override public boolean addUserService(Person p) { UserDaoImpl impl = new UserDaoImpl(); return impl.addUser(p); } @Override public boolean loginService(Person p) { UserDaoImpl impl = new UserDaoImpl(); return impl.userLogin(p); } }