JS验证码邮件 | nicoollas

var time = 30;

var canSend = true;

function f5() {

    if (canSend) {//判断是否要ajax发送刷新验证码  验证码在后台刷新

        //alert("验证");

        send();

    }

    if (time == 0) {//时间为0是button设置可用  并且设置可发送

        $('#vbtn').attr("disabled", false);

        $("#vbtn").text("重新发送")

        time = 30;

        canSend = true;

    } else {//时间不等于0时button设置不可点击 并且不能发送

        canSend = false;

        $('#vbtn').attr("disabled", true);

        time--;

        setTimeout(function () {

            $("#vbtn").text(time + "秒后可重新发送")

            f5();

        }, 1000)

    }

}

function send() {

    $.ajax({

        type : "post",

        url : getRootPath() + "/sendMail",

        data : {

            "mail" : $("#mail").val()

        },

        success : function(result) {

            alert("send success");

        }

    })

}

// 得到绝对路径

function getRootPath() {

    // 获取当前网址，如： http://localhost:9527/zdss-web/login/login.do

    var curWwwPath = window.document.location.href;

    // console.log("当前网址：" + curWwwPath);

    // 获取主机地址之后的目录，如：zdss-web/login/login.do

    var pathName = window.document.location.pathname;

    // console.log("当前路径：" + pathName);

    var pos = curWwwPath.indexOf(pathName);

    // console.log("路径位置：" + pos);

    // 获取主机地址，如： http://localhost:9527

    var localhostPath = curWwwPath.substring(0, pos);

    console.log("当前主机地址：" + localhostPath);

    // 获取带"/"的项目名，如：/zdss-web

    var projectName = pathName

        .substring(0, pathName.substr(1).indexOf('/') + 1);

    console.log("当前项目名称：" + projectName);

    console.log(localhostPath + projectName);

    return localhostPath + projectName;

}

/**

 * Created by Administrator on 2017/10/30.

 */

html

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>JsMail</title>

</head>

<body>

<body>

    <p>输入邮箱</p><input type="text" id="mail"/>

    <button id="vbtn" onclick="f5()">发送</button>

</body>

<script src="js/jquery-3.2.1.min.js"></script>

<script src="js/F5VerificationCode.js"></script>

</body>

</html>

java 需导入javamail jar包

package com.acm.web;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.AddressException;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import java.util.Properties;

import java.util.UUID;

/**

 * Created by Administrator on 2017/10/30.

 */

@Controller

public class MailController {

    @ResponseBody

    @RequestMapping("sendMail")

    public String SendMail(String mail) throws MessagingException {

        UUID uuid = UUID.randomUUID();

        String code = uuid.toString().substring(0,6);

        System.out.println(code);

        Properties properties = new Properties();

        properties.put("mail.transport.protocol", "smtp"); // 连接协议

        properties.put("mail.smtp.host", "smtp.qq.com"); // 主机名

        properties.put("mail.smtp.port", 465); // 端口号

        properties.put("mail.smtp.auth", "true");

        properties.put("mail.smtp.ssl.enable", "true"); // 设置是否使用ssl安全连接 (一般都使用)

        properties.put("mail.debug", "true"); // 设置是否显示debug信息 true 会在控制台显示相关信息

        // 得到回话对象

        Session session = Session.getInstance(properties);

        // 获取邮件对象

        Message message = new MimeMessage(session);

        // 设置发件人邮箱地址

        message.setFrom(new InternetAddress("发件邮箱"));

        // 设置收件人地址

        message.setRecipients(MimeMessage.RecipientType.TO, new InternetAddress[]{new InternetAddress(mail)});

        // 设置邮件标题

        message.setSubject("验证码邮件");

        // 设置邮件内容

        message.setContent("验证码为" + code, "text/html;Charset=UTF-8");

        // 得到邮差对象

        Transport transport = session.getTransport();

        // 连接自己的邮箱账户

        transport.connect("发件邮箱", password); // password 为在qq邮箱内的到的授权码

        // 发送邮件

        transport.sendMessage(message, message.getAllRecipients());

        return null;

    }

}

spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xmlns:context="http://www.springframework.org/schema/context"

       xmlns:mvc="http://www.springframework.org/schema/mvc"

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/pages/" />

        <property name="suffix" value=".jsp" />

    </bean>

    <!-- 扫描web相关的bean -->

    <context:component-scan base-package="com.acm.web" />

    <!--两个标准配置  -->

    <!-- 将springmvc不能处理的请求交给tomcat -->

    <mvc:default-servlet-handler/>

    <!-- 能支持springmvc更高级的一些功能，JSR303校验，快捷的ajax...映射动态请求 -->

    <mvc:annotation-driven/>

</beans>