package contact1;
/*** 联系人* @author Administrator**/
public class Contact {private String id;private String name;private String gender;private int age;private String phone;private String email;private String qq;public String getId() {return id;}public void setId(String id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getGender() {return gender;}public void setGender(String gender) {this.gender = gender;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getPhone() {return phone;}public void setPhone(String phone) {this.phone = phone;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;}public String getQq() {return qq;}public void setQq(String qq) {this.qq = qq;}@Overridepublic String toString() {return "Contact [age=" + age + ", email=" + email + ", gender="+ gender + ", id=" + id + ", name=" + name + ", phone=" + phone+ ", qq=" + qq + "]";}}

package contact1;import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;/*** 对jdbc的操作* @author Administrator**/
public class JdbcUtil {private static String url = null;private static String user = null;private static String password = null;private static String driverClass = null;/*** 静态代码块中（只加载一次）*/static{try {//读取db.properties文件Properties props = new Properties();/***  . 代表java命令运行的目录*  在java项目下，. java命令的运行目录从项目的根目录开始*  在web项目下，  . java命令的而运行目录从tomcat/bin目录开始*  所以不能使用点.*///FileInputStream in = new FileInputStream("./src/db.properties");/*** 使用类路径的读取方式*  / : 斜杠表示classpath的根目录*     在java项目下，classpath的根目录从bin目录开始*     在web项目下，classpath的根目录从WEB-INF/classes目录开始*/InputStream in = JdbcUtil.class.getResourceAsStream("/db.properties");//加载文件props.load(in);//读取信息url = props.getProperty("url");user = props.getProperty("user");password = props.getProperty("password");driverClass = props.getProperty("driverClass");//注册驱动程序
            Class.forName(driverClass);} catch (Exception e) {e.printStackTrace();System.out.println("驱程程序注册出错");}}/*** 抽取获取连接对象的方法*/public static Connection getConnection(){try {Connection conn = DriverManager.getConnection(url, user, password);return conn;} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}/*** 释放资源的方法*/public static void close(Connection conn,Statement stmt){if(stmt!=null){try {stmt.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}if(conn!=null){try {conn.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}}public static void close(Connection conn,Statement stmt,ResultSet rs){if(rs!=null)try {rs.close();} catch (SQLException e1) {e1.printStackTrace();throw new RuntimeException(e1);}if(stmt!=null){try {stmt.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}if(conn!=null){try {conn.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}
}}

package contact1;import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;/*** 对jdbc的操作* @author Administrator**/
public class JdbcUtil {private static String url = null;private static String user = null;private static String password = null;private static String driverClass = null;/*** 静态代码块中（只加载一次）*/static{try {//读取db.properties文件Properties props = new Properties();/***  . 代表java命令运行的目录*  在java项目下，. java命令的运行目录从项目的根目录开始*  在web项目下，  . java命令的而运行目录从tomcat/bin目录开始*  所以不能使用点.*///FileInputStream in = new FileInputStream("./src/db.properties");/*** 使用类路径的读取方式*  / : 斜杠表示classpath的根目录*     在java项目下，classpath的根目录从bin目录开始*     在web项目下，classpath的根目录从WEB-INF/classes目录开始*/InputStream in = JdbcUtil.class.getResourceAsStream("/db.properties");//加载文件props.load(in);//读取信息url = props.getProperty("url");user = props.getProperty("user");password = props.getProperty("password");driverClass = props.getProperty("driverClass");//注册驱动程序
            Class.forName(driverClass);} catch (Exception e) {e.printStackTrace();System.out.println("驱程程序注册出错");}}/*** 抽取获取连接对象的方法*/public static Connection getConnection(){try {Connection conn = DriverManager.getConnection(url, user, password);return conn;} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}/*** 释放资源的方法*/public static void close(Connection conn,Statement stmt){if(stmt!=null){try {stmt.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}if(conn!=null){try {conn.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}}public static void close(Connection conn,Statement stmt,ResultSet rs){if(rs!=null)try {rs.close();} catch (SQLException e1) {e1.printStackTrace();throw new RuntimeException(e1);}if(stmt!=null){try {stmt.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}if(conn!=null){try {conn.close();} catch (SQLException e) {e.printStackTrace();throw new RuntimeException(e);}}
}}

package contact1;import java.util.List;
/*** 操作联系人接口* @author Administrator**/
public interface ContactDao {public void addContact(Contact contact);//添加联系人public void updateContact(Contact contact);//修改联系人public void deleteContact(String id);//删除联系人public List<Contact> findAll();  //查询所有联系人public Contact findById(String id);//根据编号查询联系人public boolean checkContact(String name);//根据姓名查询是否重复
}

package contact1;import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;public class ContactDaoImpl implements ContactDao {/*** 添加联系人*/public void addContact(Contact contact) {try {File file = new File("e:/contact.xml");Document doc = null;Element rootElem = null;if(!file.exists()){/*** 需求： 把contact对象保存到xml文件中*///如果没有xml文件，则创建xml文件doc = DocumentHelper.createDocument();//创建根标签rootElem = doc.addElement("contactList");}else{//如果有xml文件，则读取xml文件doc = XMLUtil.getDocument();//如果有xml文件，读取根标签rootElem = doc.getRootElement();}//添加contact标签/*** <contact id="1"><name>eric</name><gender>男</gender><age>20</age><phone>1343333</phone><email>eric@qq.com</email><qq>554444</qq></contact>*/Element contactElem = rootElem.addElement("contact");/*** 由系统自动生成随机且唯一的ID值，赋值给联系人*/String uuid = UUID.randomUUID().toString().replace("-","");contactElem.addAttribute("id", uuid);contactElem.addElement("name").setText(contact.getName());contactElem.addElement("gender").setText(contact.getGender());contactElem.addElement("age").setText(contact.getAge()+"");contactElem.addElement("phone").setText(contact.getPhone());contactElem.addElement("email").setText(contact.getEmail());contactElem.addElement("qq").setText(contact.getQq());//把Document写出到xml文件
            XMLUtil.write2xml(doc);} catch (Exception e) {e.printStackTrace();throw new RuntimeException(e);}}/*** 删除联系人*/public void deleteContact(String id) {try {//1.读取xml文件Document doc = XMLUtil.getDocument();//2.查询需要删除id的contactElement contactElem = (Element)doc.selectSingleNode("//contact[@id='"+id+"']");//删除标签if(contactElem!=null){contactElem.detach();}//3.把Document写出到xml文件
            XMLUtil.write2xml(doc);} catch (Exception e) {e.printStackTrace();throw new RuntimeException(e);}}/*** 查询所有联系人*/public List<Contact> findAll() {//1.读取xml文件Document doc = XMLUtil.getDocument();//2.创建List对象List<Contact> list = new ArrayList<Contact>();//3.读取contact标签@SuppressWarnings("unchecked")List<Element> conList = (List<Element>)doc.selectNodes("//contact");for(Element e:conList){//创建COntact对象Contact c = new Contact();c.setId(e.attributeValue("id"));c.setName(e.elementText("name"));c.setGender(e.elementText("gender"));c.setAge(Integer.parseInt(e.elementText("age")));c.setPhone(e.elementText("phone"));c.setEmail(e.elementText("email"));c.setQq(e.elementText("qq"));//把Contact放入list中
            list.add(c);}return list;}/*** 根据编号查询联系人*/public Contact findById(String id) {Document doc = XMLUtil.getDocument();Element e = (Element)doc.selectSingleNode("//contact[@id='"+id+"']");Contact c = null;if(e!=null){//创建COntact对象c = new Contact();c.setId(e.attributeValue("id"));c.setName(e.elementText("name"));c.setGender(e.elementText("gender"));c.setAge(Integer.parseInt(e.elementText("age")));c.setPhone(e.elementText("phone"));c.setEmail(e.elementText("email"));c.setQq(e.elementText("qq"));}return c;}/*** 修改联系人*/public void updateContact(Contact contact) {/*** 需求： 修改id值为2的联系人*     1）查询id值为2的contact标签*  2）修改contact标签的内容*/try {//1.读取xml文件Document doc = XMLUtil.getDocument();Element contactElem = (Element)doc.selectSingleNode("//contact[@id='"+contact.getId()+"']");//2.修改contact标签内容contactElem.element("name").setText(contact.getName());contactElem.element("gender").setText(contact.getGender());contactElem.element("age").setText(contact.getAge()+"");contactElem.element("phone").setText(contact.getPhone());contactElem.element("email").setText(contact.getEmail());contactElem.element("qq").setText(contact.getQq());//3.把Document写出到xml文件
            XMLUtil.write2xml(doc);} catch (Exception e) {e.printStackTrace();throw new RuntimeException(e);}}public static void main(String[] args) {//测试UUIDString uuid = UUID.randomUUID().toString().replace("-","");System.out.println(uuid);}/*** true：重复* false：不重复*/public boolean checkContact(String name) {//查询name标签的内容和传入的name值是否一致？Document doc = XMLUtil.getDocument();Element nameElem = (Element)doc.selectSingleNode("//name[text()='"+name+"']");if(nameElem!=null){return true;}else{return false;}}}

package contact1;import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;public class ContactDaoMySQLImpl implements ContactDao{/*** 添加联系人*/public void addContact(Contact contact) {Connection conn = null;PreparedStatement stmt = null;try{//获取连接conn = JdbcUtil.getConnection();String sql = "INSERT INTO contact(id,NAME,gender,age,phone,email,qq) VALUES(?,?,?,?,?,?,?)";//创建PreparedStatementstmt = conn.prepareStatement(sql);String id = UUID.randomUUID().toString().replace("-", "");//设置参数stmt.setString(1, id);stmt.setString(2, contact.getName());stmt.setString(3, contact.getGender());stmt.setInt(4, contact.getAge());stmt.setString(5, contact.getPhone());stmt.setString(6, contact.getEmail());stmt.setString(7, contact.getQq());//执行
            stmt.executeUpdate();}catch(Exception e){e.printStackTrace();throw new RuntimeException(e);}finally{JdbcUtil.close(conn, stmt);}}public boolean checkContact(String name) {Connection conn = null;PreparedStatement stmt = null;ResultSet rs = null;try{//获取连接conn = JdbcUtil.getConnection();String sql = "SELECT * FROM contact where name=?";//创建PreparedStatementstmt = conn.prepareStatement(sql);stmt.setString(1, name);//执行rs = stmt.executeQuery();if(rs.next()){return true;}else{return false;}}catch(Exception e){e.printStackTrace();throw new RuntimeException(e);}finally{JdbcUtil.close(conn, stmt ,rs);}}public void deleteContact(String id) {Connection conn = null;PreparedStatement stmt = null;try{//获取连接conn = JdbcUtil.getConnection();String sql = "DELETE FROM contact WHERE id=?";//创建PreparedStatementstmt = conn.prepareStatement(sql);//设置参数stmt.setString(1, id);//执行
            stmt.executeUpdate();}catch(Exception e){e.printStackTrace();throw new RuntimeException(e);}finally{JdbcUtil.close(conn, stmt);}}public List<Contact> findAll() {Connection conn = null;PreparedStatement stmt = null;ResultSet rs = null;try{//获取连接conn = JdbcUtil.getConnection();String sql = "SELECT * FROM contact";//创建PreparedStatementstmt = conn.prepareStatement(sql);//执行rs = stmt.executeQuery();List<Contact> list = new ArrayList<Contact>();while(rs.next()){Contact c = new Contact();c.setId(rs.getString("id"));c.setName(rs.getString("name"));c.setGender(rs.getString("gender"));c.setAge(rs.getInt("age"));c.setPhone(rs.getString("phone"));c.setEmail(rs.getString("email"));c.setQq(rs.getString("qq"));list.add(c);}return list;}catch(Exception e){e.printStackTrace();throw new RuntimeException(e);}finally{JdbcUtil.close(conn, stmt ,rs);}}public Contact findById(String id) {Connection conn = null;PreparedStatement stmt = null;ResultSet rs = null;try{//获取连接conn = JdbcUtil.getConnection();String sql = "SELECT * FROM contact where id=?";//创建PreparedStatementstmt = conn.prepareStatement(sql);stmt.setString(1, id);//执行rs = stmt.executeQuery();Contact c = null;if(rs.next()){c = new Contact();c.setId(rs.getString("id"));c.setName(rs.getString("name"));c.setGender(rs.getString("gender"));c.setAge(rs.getInt("age"));c.setPhone(rs.getString("phone"));c.setEmail(rs.getString("email"));c.setQq(rs.getString("qq"));}return c;}catch(Exception e){e.printStackTrace();throw new RuntimeException(e);}finally{JdbcUtil.close(conn, stmt ,rs);}}/*** 修改*/public void updateContact(Contact contact) {Connection conn = null;PreparedStatement stmt = null;try{//获取连接conn = JdbcUtil.getConnection();String sql = "UPDATE contact SET NAME=?,gender=?,age=?,phone=?,email=?,qq=? WHERE id=?";//创建PreparedStatementstmt = conn.prepareStatement(sql);//设置参数stmt.setString(1, contact.getName());stmt.setString(2, contact.getGender());stmt.setInt(3, contact.getAge());stmt.setString(4, contact.getPhone());stmt.setString(5, contact.getEmail());stmt.setString(6, contact.getQq());stmt.setString(7, contact.getId());//执行
            stmt.executeUpdate();}catch(Exception e){e.printStackTrace();throw new RuntimeException(e);}finally{JdbcUtil.close(conn, stmt);}}}

XmlUtil
package contact1;import java.io.File;
import java.io.FileOutputStream;import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;/*** xml操作类* @author Administrator**/
public class XMLUtil {/*** 读取xml文档方法* @return*/public static Document getDocument(){try {Document doc = new SAXReader().read(new File("e:/contact.xml"));return doc;} catch (DocumentException e) {e.printStackTrace();throw new RuntimeException(e);}}/*** 写出到xml文档中*/public static void write2xml(Document doc){try {FileOutputStream out = new FileOutputStream("e:/contact.xml");OutputFormat format = OutputFormat.createPrettyPrint();format.setEncoding("utf-8");XMLWriter writer = new XMLWriter(out,format);writer.write(doc);writer.close();} catch (Exception e) {e.printStackTrace();throw new RuntimeException(e);}}
}

package contact1;public class NameRepeatException extends Exception{/*** */private static final long serialVersionUID = 1L;public NameRepeatException(String msg){super(msg);}
}

package contact1;import java.util.List;
/*** Servlet中要操作的接口* @author Administrator**/
public interface ContactService {public void addContact(Contact contact)throws NameRepeatException;//添加联系人public void updateContact(Contact contact);//修改联系人public void deleteContact(String id);//删除联系人public List<Contact> findAll();  //查询所有联系人public Contact findById(String id);//根据编号查询联系人
}

package contact1;import java.util.List;/*** 处理 项目中出现的业务逻辑* @author Administrator**/
public class ContactServiceImpl implements ContactService{//ContactDao dao = new ContactDaoImpl();ContactDao dao = new ContactDaoMySQLImpl();public void addContact(Contact contact) throws NameRepeatException {//执行业务逻辑判断if(dao.checkContact(contact.getName())){//重复/*** 注意： 如果业务层方法出现任何业务异常，则返回标记（自定义异常）到servlet*/throw new NameRepeatException("姓名重复，不可使用");}//如果不重复，才执行添加方法
            dao.addContact(contact);}public void deleteContact(String id) {dao.deleteContact(id);}public List<Contact> findAll() {return dao.findAll();}public Contact findById(String id) {return dao.findById(id);}public void updateContact(Contact contact) {dao.updateContact(contact);}
}

1.AddContactServlet
package 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 contact1.Contact;
import contact1.ContactService;
import contact1.ContactServiceImpl;
import contact1.NameRepeatException;public class AddContactServlet extends HttpServlet {/*** */private static final long serialVersionUID = 1L;public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {request.setCharacterEncoding("utf-8");//接受参数String name = request.getParameter("name");String gender = request.getParameter("gender");String age = request.getParameter("age");String phone = request.getParameter("phone");String email = request.getParameter("email");String qq = request.getParameter("qq");//调用逻辑Contact contact = new Contact();contact.setName(name);contact.setGender(gender);contact.setAge(Integer.parseInt(age));contact.setPhone(phone);contact.setEmail(email);contact.setQq(qq);ContactService service = new ContactServiceImpl();try {service.addContact(contact);//添加的时候可能添加重名的所有生命这个异常} catch (NameRepeatException e) {//处理自定义业务异常类request.setAttribute("msg", e.getMessage());//这里跳转是因为有需要保存的request.getRequestDispatcher("/addContact.jsp").forward(request, response);return;}//跳转页面不需要保存是么所以是重定向response.sendRedirect(request.getContextPath()+"/ListContactServlet");}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}
DeleContactServelt
package 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 contact1.ContactService;
import contact1.ContactServiceImpl;public class DeleContactServlet extends HttpServlet {/*** */private static final long serialVersionUID = 1L;public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {//1获得参数String id = request.getParameter("id");//2.处理业务逻辑ContactService service = new ContactServiceImpl();service.deleteContact(id);//3.跳转页面这里是重定向不是跳转了因为这里不需要保存是么东西在request中了用重定向好些response.sendRedirect(request.getContextPath()+"/ListContactServlet");}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}
ListContactServlet
package Servlet;
import java.io.IOException;
import java.util.List;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import contact1.Contact;
import contact1.ContactService;
import contact1.ContactServiceImpl;public class ListContactServlet extends HttpServlet {/*** */private static final long serialVersionUID = 1L;public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {//从数据库中获得ContactService service = new ContactServiceImpl();List<Contact> list = service.findAll();//将数据保存到requset域对象request.setAttribute("contacts", list);//跳转到jsp页面request.getRequestDispatcher("/listContact.jsp").forward(request, response);        }public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}
QueryContactServlet
package 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 contact1.Contact;
import contact1.ContactService;
import contact1.ContactServiceImpl;/*** 修改一列时，先获得者列数据* @author Administrator**/
public class QueryContactServlet extends HttpServlet {/*** */private static final long serialVersionUID = 1L;public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {//1.接收idString id=request.getParameter("id");//2.调用service根据id查询联系人的方法ContactService service = new ContactServiceImpl();Contact contact = service.findById(id);//3.查询结果放到request对象中去request.setAttribute("contact", contact);//4.跳转到更新页面request.getRequestDispatcher("/updateContact.jsp").forward(request, response);}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}
UpdateContextServlet
package 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 contact1.Contact;
import contact1.ContactService;
import contact1.ContactServiceImpl;public class UpdateContextServlet extends HttpServlet {/*** */private static final long serialVersionUID = 1L;public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {request.setCharacterEncoding("utf-8");//1.接收参数String id = request.getParameter("id");String name = request.getParameter("name");String gender = request.getParameter("gender");String age = request.getParameter("age");String phone = request.getParameter("phone");String email = request.getParameter("email");String qq = request.getParameter("qq");//封装成Contact对象Contact contact = new Contact();contact.setId(id);contact.setName(name);contact.setGender(gender);contact.setAge(Integer.parseInt(age));contact.setPhone(phone);contact.setEmail(email);contact.setQq(qq);//业务逻辑ContactService service = new ContactServiceImpl();service.updateContact(contact);//跳转不需要保存是么就可以用重定向了response.sendRedirect(request.getContextPath()+"/ListContactServlet");}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}
}

url=jdbc:mysql:thin:@127.0.0.1:3306:contactsys_web
user=root
password=mysql
driverClass=com.mysql.jdbc.Driver

addContact.jsp
<%@ page language="java" import="java.util.*,contact1.Contact" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>添加联系人</title>
</head><body><center><h3>添加联系人</h3></center><form action="${pageContext.request.contextPath }/AddContactServlet" method="post"><table align="center" border="1" width="400xp"><tr><th>姓名</th><td><input type="text" name="name"/><font color="red">${msg }</font></td></tr><tr><th>性别</th><td><input type="radio" name="gender" value="男"/>男<input type="radio" name="gender" value="女"/>女</td></tr><tr><th>年龄</th><td><input type="text" name="age"/></td></tr><tr><th>电话</th><td><input type="text" name="phone"/></td></tr><tr><th>邮箱</th><td><input type="text" name="email"/></td></tr><tr><th>QQ</th><td><input type="text" name="qq"/></td></tr><tr><td colspan="2" align="center"><input type="submit" value="保存"/>&nbsp;<input type="reset" value="重置"/></td></tr></table></form></body>
</html>

<%@ page language="java" import="java.util.*,contact1.Contact" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>查询所有联系人</title>
<style type="text/css">table td{/* 文字居中 */text-align: center;}table{border-collapse: collapse;}
</style>
</head><body><center><h3>查询所有人</h3></center><table align="center" border="1" width="700px"><tr><th>编号</th><th>姓名</th><th>性别</th><th>年龄</th><th>电话</th><th>邮箱</th><th>QQ</th><th>操作</th></tr><c:forEach items="${contacts }" var="con" varStatus="varSta"><tr><td>${varSta.count}</td><td>${con.name}</td><td>${con.gender}</td><td>${con.age}</td><td>${con.phone}</td><td>${con.email}</td><td>${con.qq}</td><td><a href="${pageContext.request.contextPath }/QueryContactServlet?id=${con.id}">修改</a> &nbsp;<a href="${pageContext.request.contextPath }/DeleteContactServlet?id=${con.id}">删除</a></td></tr></c:forEach><tr><td colspan="8" align="center"><a href="${pageContext.request.contextPath }//addContact.jsp">[添加联系人]</a></td></tr></table></body>
</html>

<%@ page language="java" import="java.util.*,contact1.Contact" pageEncoding="utf-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>修改联系人</title>
</head><body><center><h3>修改联系人</h3></center><form action="${pageContext.request.contextPath }/UpdateContactServlet" method="post"><input type="hidden" name="id" value="${contact.id }" /><table align="center" border="" width="300px"><tr><th>姓名</th><td><input type="text" name="name" value="${contact.name }"/></td></tr><tr><th>性别</th><td><input type="radio" name="gender" value="男"  <c:if test="${contact.gender=='男' }">checked="checked"</c:if> />男<input type="radio" name="gender" value="女"  <c:if test="${contact.gender=='女' }">checked="checked"</c:if> />女</td></tr><tr><th>年龄</th><td><input type="text" name="age" value="${contact.age }"/></td></tr><tr><th>电话</th><td><input type="text" name="phone" value="${contact.phone }"/></td></tr><tr><th>邮箱</th><td><input type="text" name="email" value="${contact.email }"/></td></tr><tr><th>QQ</th><td><input type="text" name="qq" value="${contact.qq }"/></td></tr><tr><td colspan="2" align="center"><input type="submit" value="保存"/>&nbsp;<input type="reset" value="重置"/></td></tr></table></form></body>
</html>