基于Maven的Spring+SpringMVC+Hibernate 邮箱验证码

<!-- 邮箱发送 -->
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.4</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>3.2.17.RELEASE</version>
</dependency>

<!-- 存放返回的验证码 -->
<input type="hidden" name="keepCode" id="keepCode" value="gzh" />
<div class="form-group" style="display: none;" id="emailDiv">
<label for="input_email">
<span class="glyphicon glyphicon-envelope"></span> 
<label for="email">密保邮箱</label></label>
<input class="form-control input-lg" id="email" name="email" placeholder="请输入注册的密保邮箱！" type="text" value="">
</div>

var mail = $("#email").val();
var paras2 = "o_mail=" + mail;
$.post(path + "/mail/sendMail?" + paras2, function(data) {
if (data != null && typeof (data) != "undefined") {
var mailCode = data;
$("#keepCode").attr("value", mailCode);
}
}, "json");

@Controller
@RequestMapping("/mail")
public class EmailController {
@ResponseBody
@RequestMapping(value = "/sendMail",method = RequestMethod.POST)
public String sendMail(HttpServletRequest request,HttpServletResponse response) throws ClientException {

String email = request.getParameter("o_mail");//获取前端传送过来的电话号码
String randomNum = createRandomNum(6);//随机生成6位数的验证码

JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
mailSender.setHost("smtp.qq.com");//qq邮箱服务器
mailSender.setPort(587);//端口
mailSender.setUsername("你的邮箱");//发送者
mailSender.setPassword("你的授权码");//POP3/SMTP服务授权码

SimpleMailMessage mail = new SimpleMailMessage();
mail.setTo(email);// 接受者
mail.setFrom("你的邮箱");//发送者
mail.setSubject("MIP影视管理系统");//主题
mail.setText("您好！您的邮箱验证码:"+randomNum+" 打死也不能告诉别人！");// 邮件内容

mailSender.send(mail);

System.out.println(mail);
return randomNum;

}
/**
* 生成随机数
* @param num 位数
* @return
*/
public static String createRandomNum(int num){
String randomNumStr = "";
for(int i = 0; i < num;i ++){
int randomNum = (int)(Math.random() * 10);
randomNumStr += randomNum;
}
return randomNumStr;
}
}