账户注册激活邮件及登入和注销

一：创建实体类：

import java.io.Serializable;

public class Customer implements Serializable {
    private String id;
    private String username;
    private String password;
    private String phone;
    private String address;
    private String email;
    private boolean actived;//是否激活
    private String code;//激活码
    public String getId() {
        return id;
    }
    public void setId(String id) {
        this.id = id;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
    public boolean isActived() {
        return actived;
    }
    public void setActived(boolean actived) {
        this.actived = actived;
    }
    public String getCode() {
        return code;
    }
    public void setCode(String code) {
        this.code = code;
    }
    
}

二：创建注册界面：

<h1>新用户注册</h1>
    <form action="${pageContext.request.contextPath}/servlet/ControllerServlet?op=regist" method="post">
        <table border="1" width="438">
            <tr>
                <td>(*)用户名：</td>
                <td>
                    <input type="text" name="username"/>
                </td>
            </tr>
            <tr>
                <td>(*)密码：</td>
                <td>
                    <input type="password" name="password"/>
                </td>
            </tr>
            <tr>
                <td>重复密码：</td>
                <td>
                    <input type="password" name="repassword"/>
                </td>
            </tr>
            <tr>
                <td>(*)电话：</td>
                <td>
                    <input type="text" name="phone"/>
                </td>
            </tr>
            <tr>
                <td>(*)收货地址：</td>
                <td>
                    <input type="text" name="address"/>
                </td>
            </tr>
            <tr>
                <td>(*)邮箱：</td>
                <td>
                    <input type="text" name="email"/>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <input type="submit" value="注册"/>
                </td>
            </tr>
        </table>
    </form>

 <h1>用户登入</h1>
    <form action="${pageContext.request.contextPath}/servlet/ControllerServlet?op=login" method="post">
        <table border="1" width="438">
            <tr>
                <td>(*)用户名：</td>
                <td>
                    <input type="text" name="username"/>
                </td>
            </tr>
            <tr>
                <td>(*)密码：</td>
                <td>
                    <input type="password" name="password"/>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <input type="submit" value="登录"/>
                </td>
            </tr>
        </table>
    </form>

三：创建控制器：

控制器：servlet：controller

public class ControllerServlet extends HttpServlet {
    private BusinessService s = new BusinessServiceImpl();
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String op = request.getParameter("op");
        if("regist".equals(op)){
            regist(request,response);
        }else if("login".equals(op)){
            login(request,response);
        }else if("logout".equals(op)){
            logout(request,response);
        }else if("active".equals(op)){
            active(request,response);
        }
    }
    //激活账户
    private void active(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
        String username = request.getParameter("username");
        String code = request.getParameter("code");
        Customer c = s.findCustomer(username, code);
        if(c==null){
            response.getWriter().write("激活失败");
            return;
        }
        c.setActived(true);
        s.updateCustomer(c);
        response.getWriter().write("<script type='text/javascript'>alert('激活成功')</script>");
        response.setHeader("Refresh", "0;URL="+request.getContextPath());
    }
    //注销
    private void logout(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
        request.getSession().removeAttribute("customer");
        response.sendRedirect(request.getContextPath());//重定向到主页
    }
    //登录
    private void login(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        Customer c = s.login(username, password);
        if(c==null){
            response.getWriter().write("<script type='text/javascript'>alert('登录失败')</script>");
            response.setHeader("Refresh", "0;URL="+request.getContextPath()+"/login.jsp");
            return;
        }
        request.getSession().setAttribute("customer", c);
        response.sendRedirect(request.getContextPath());//重定向到主页
    }
    private void regist(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
        Customer c = WebUtil.fillBean(request, Customer.class);
        //生成随机验证码
        String code = UUID.randomUUID().toString();
        c.setCode(code);
        //单独启动一个线程：发送激活邮件
        SendMail sm = new SendMail(c);
        sm.start();
        s.regist(c);
        response.getWriter().write("<script type='text/javascript'>alert('注册成功！我们已经发送了一封激活邮件到您的邮箱，请注意查查')</script>");
        response.setHeader("Refresh", "0;URL="+request.getContextPath());
    }
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doGet(request, response);
    }

}

四：实体类DAO层：

import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;

import com.itheima.dao.CustomerDao;
import com.itheima.domain.Customer;
import com.itheima.util.DBCPUtil;

public class CustomerDaoMySQLImpl implements CustomerDao {
    private QueryRunner qr = new QueryRunner(DBCPUtil.getDataSource());
    public void save(Customer c) {
        try{
            qr.update("insert into customer (id,username,password,phone,address,email,actived,code) values(?,?,?,?,?,?,?,?)", 
                    c.getId(),c.getUsername(),c.getPassword(),
                    c.getPhone(),c.getAddress(),c.getEmail(),
                    c.isActived(),c.getCode());
        }catch(Exception e){
            throw new RuntimeException(e);
        }
    }

    public Customer find(String username, String password) {
        try{
            return qr.query("select * from customer where username=? and password=?", new BeanHandler<Customer>(Customer.class), username,password);
        }catch(Exception e){
            throw new RuntimeException(e);
        }
    }

    public Customer findByCode(String username, String code) {
        try{
            return qr.query("select * from customer where username=? and code=?", new BeanHandler<Customer>(Customer.class), username,code);
        }catch(Exception e){
            throw new RuntimeException(e);
        }
    }

    public Customer findById(String customerId) {
        try{
            return qr.query("select * from customer where id=?", new BeanHandler<Customer>(Customer.class), customerId);
        }catch(Exception e){
            throw new RuntimeException(e);
        }
    }

    public void update(Customer c) {
        try{
            qr.update("update customer set username=?,password=?,phone=?,address=?,email=?,actived=?,code=? where id=?", 
                    c.getUsername(),c.getPassword(),
                    c.getPhone(),c.getAddress(),c.getEmail(),
                    c.isActived(),c.getCode(),c.getId());
        }catch(Exception e){
            throw new RuntimeException(e);
        }
    }

}

五：完成