spring实现注册（邮箱验证+有效时间）

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spring实现注册（邮箱验证+有效时间）

实现逻辑

用户注册时，输入邮箱地址，获取验证码，我们随机生成5位数字验证码发送给用户的邮箱。同时我们把验证码和当前时间存储到HttpSession对象中(格式：验证码#时间)。
然后用户通过表单提交自己的注册信息和验证码。我们先判断用户名是否重复（为空和密码一致就交给前端吧），然后我们从session中取出我们存储的字符串分隔，获取验证码和生成验证码的时间，先比较验证码是否正确，如果正确就比较时间是否在一段时间内，都符合才注册（进行数据库操作）。
代码实现尊崇ssh框架结构，action，service，dao逐层调用。

1：引入jar包

spring自带的包 spring-context-support, 就可以使用spring自带的发送邮件API。

2：创建MailUtil对象

    import  java.util.Properties;    import  org.springframework.mail.SimpleMailMessage;     import  org.springframework.mail.javamail.JavaMailSenderImpl;     public class MailUtil {        //使用对象注入的方式  记得配置文件        private JavaMailSenderImpl senderImpl;        public void setSenderImpl(JavaMailSenderImpl senderImpl) {            this.senderImpl = senderImpl;        }        private SimpleMailMessage mailMessage;        public void setMailMessage(SimpleMailMessage mailMessage) {            this.mailMessage = mailMessage;        }        private Properties prop;        public void setProp(Properties prop) {            this.prop = prop;        }        //发送验证码的方法,to是目标邮箱地址，text是发送的验证码（事先生成）        public boolean sendMail (String to,String text) {            System.out.println("sendMail...util...");            try{                //设定mail server                senderImpl.setHost("smtp.163.com");                // 设置收件人，寄件人 用数组发送多个邮件                // String[] array = new String[]    {"sun111@163.com","sun222@sohu.com"};                    // mailMessage.setTo(array);                  mailMessage.setTo(to);                 mailMessage.setFrom( "自己的邮箱" );                 mailMessage.setSubject( "主题" );                 mailMessage.setText("内容" + text);                 senderImpl.setUsername("自己的邮箱");                senderImpl.setPassword("密码");                prop.put("mail.smtp.auth","true");                prop.put("mail.smtp.timeout","25000");                senderImpl.setJavaMailProperties(prop);                //发送邮件                senderImpl.send(mailMessage);                System.out.println("发送邮件成功");                return true;            }catch (Exception e) {                System.out.println("发送邮件失败");                return false;            }        }    }

3：创建TimeUtil类

因为我们是保证有效时间的，所以就要时间工具

    import java.text.SimpleDateFormat;    import java.util.Calendar;    import java.util.Date;    import org.junit.Test;    public class TimeUtil {        //获取时间  返回毫秒级时间        public String getTime() {            System.out.println("getTime...util...");            //SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");            Calendar calendar = Calendar.getInstance();            Long date = calendar.getTime().getTime();            //获取毫秒时间            //String dateStringPaString = sdf.format(date);            //System.out.println(dateStringPaString);            return date.toString();        }        public boolean cmpTime(String time) {            System.out.println("cmpTime...util...");            long tempTime = Long.parseLong(time);            System.out.println("tempTime"+tempTime);            //在获取现在的时间            Calendar calendar = Calendar.getInstance();            Long date = calendar.getTime().getTime();            //获取毫秒时间            System.out.println("date"+date);            if(date - tempTime > 600000 ) {   //10分钟                return false;            } else {                return true;            }        }    }

4：Action

    //获取邮箱验证码    public String getVCode() throws IOException {        System.out.println("getVCode...action...");        //获得request和response对象        HttpServletRequest request = ServletActionContext.getRequest();        HttpServletResponse response = ServletActionContext.getResponse();        response.setContentType("application/json;charset=utf-8");        response.setHeader("Access-Control-Allow-Origin", "*");        PrintWriter out = response.getWriter();        JSONObject json = new JSONObject();        try{            String email = request.getParameter("email");            boolean flag = userService.getVCode(email);            if(flag == true) {                json.put("msg","1");                 //生成了验证码并发送给了用户            } else {                json.put("msg","0");                 //未获取到            }        }catch (Exception e) {            json.put("msg","0");        }finally {            out.write(json.toString());            out.flush();            out.close();        }        return null;    }    //用户注册    public String register() throws IOException {        System.out.println("register...action...");        //获得request和response对象        HttpServletRequest request = ServletActionContext.getRequest();        HttpServletResponse response = ServletActionContext.getResponse();        response.setContentType("application/json;charset=utf-8");        response.setHeader("Access-Control-Allow-Origin", "*");        PrintWriter out = response.getWriter();        JSONObject json = new JSONObject();        try{            String username = request.getParameter("username");            String password = request.getParameter("password");            String nickname = request.getParameter("nickname");            String email    = request.getParameter("email");            String vcode    = request.getParameter("vcode");            //先查找该用户名是否被注册            boolean flag = userService.searchUser(username);            if(flag == true) {                 json.put("msg","3");                  //用户名重复            } else {                //看验证码是否正确以及是否失效                flag = userService.cmpVCode(vcode);                if(flag == true){                    User user = new User();                    user.setUsername(username);                    user.setPassword(password);                    user.setNickname(nickname);                    user.setEmail(email);                                   boolean flag2 =userService.register(user);                    if(flag2 == true) {                        json.put("msg", "1");             //注册成功                    } else {                        json.put("msg","0");              //注册失败                    }                } else {                    System.out.println("验证码匹配失败");                    json.put("msg", "0");                 //验证码匹配失败                }            }        } catch(Exception e) {            System.out.println("注册异常");            json.put("msg", "0");                     //注册 异常        } finally {            out.write(json.toString());            out.flush();            out.close();        }        return null;    }

5：service

    //发送邮件获取验证码    public boolean getVCode(String email) {        System.out.println("getVCode...service...");        //随机生成5验证码        Integer x =(int)((Math.random()*9+1)*10000);          String text = x.toString();         boolean flag = mailUtil.sendMail(email, text);        if(flag == true){            //发送成功，把验证码和时间记录            String nowTime = timeUtil.getTime();            //存入session  验证码#时间            HttpSession session = ServletActionContext.getRequest().getSession();            session.setAttribute("vcodeTime",text+"#"+nowTime);            System.out.println(session.getAttribute("vcodeTime"));            return true;        } else {            return false;        }    }    //比较验证码是否正确以及是否失效    public boolean cmpVCode(String vcode) {        System.out.println("cmpVCode...service...");        try{            HttpSession session = ServletActionContext.getRequest().getSession();            String vcodeTime =  (String) session.getAttribute("vcodeTime");            String vcodeTimeArray[] = vcodeTime.split("#");            //先比较验证码是否正确            if(vcodeTimeArray[0].equals(vcode)) {                boolean flag = timeUtil.cmpTime(vcodeTimeArray[1]);                if(flag == true){                    return true;                }            }            return false;        } catch (Exception e) {            System.out.println(e.toString());            return false;        }        }    //注册    public boolean register(User user) {        System.out.println("register...service...");        int flag = userDao.addUser(user);        if(flag != 0) {            HttpSession session = ServletActionContext.getRequest().getSession();            session.setAttribute("uid", flag);               //用户id放入 session            return true;        } else {            return false;        }    }

6：dao

    //添加用户    public int addUser(User user) {        System.out.println("addUser...dao...");        try{            int flag = (int)hibernateTemplate.save(user);            System.out.println("save后返回的flag值" + flag);            return flag;        }catch (Exception e) {            System.out.println(e.toString());            return 0;        }    }

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