完成用户注册之后，跳转到用户注册的邮箱所在的网址

/**
	 *
	 * <p>
	 * Title: getUserMail
	 * </p>
	 * <p>
	 * Description: 在用户注册时候，有的需要填写注册邮箱，那么完成用户注册之后，如何跳转到用户注册的邮箱所在的网址呢？使用如下封装方法获取地址
	 * </p>
	 *
	 * @param registerEmail
	 * @return 用户注册使用的邮箱的登录地址
	 *
	 */
	public static String getUserMail(String registerEmail) {
		int end = registerEmail.indexOf("@") + 1;
		String mailPostFix = registerEmail.substring(end);
		String mailAddress = null;
		switch (mailPostFix) {
		case "163.com":
			mailAddress = "mail.163.com";
			break;
		case "vip.163.com":
			mailAddress = "vip.163.com";
			break;
		case "126.com":
			mailAddress = "mail.126.com";
			break;
		case "qq.com":
		case "vip.qq.com":
		case "foxmail.com":
			mailAddress = "mail.qq.com";
			break;
		case "gmail.com":
			mailAddress = "mail.google.com";
			break;
		case "sohu.com":
			mailAddress = "mail.sohu.com";
			break;
		case "tom.com":
			mailAddress = "mail.tom.com";
			break;
		case "vip.sina.com":
			mailAddress = "vip.sina.com";
			break;
		case "sina.com.cn":
		case "sina.com":
			mailAddress = "mail.sina.com.cn";
			break;
		case "yahoo.com.cn":
		case "yahoo.cn":
			mailAddress = "mail.cn.yahoo.com";
			break;
		case "yeah.net":
			mailAddress = "www.yeah.net";
			break;
		case "21cn.com":
			mailAddress = "mail.21cn.com";
			break;
		case "hotmail.com":
			mailAddress = "www.hotmail.com";
			break;
		case "sogou.com":
			mailAddress = "mail.sogou.com";
			break;
		case "188.com":
			mailAddress = "www.188.com";
			break;
		case "139.com":
			mailAddress = "mail.10086.cn";
			break;
		case "189.cn":
			mailAddress = "webmail30.189.cn/w2/";
			break;
		case "wo.com.cn":
			mailAddress = "mail.wo.com.cn/smsmail";
			break;
		case "etang.com":
			mailAddress = "mail.etang.cn";
			break;
		case "eyou.com":
			mailAddress = "www.eyou.com";
			break;
		case "56.com":
			mailAddress = "www.56.com/home.html";
			break;
		case "chinaren.com":
			mailAddress = "mail.chinaren.com/";
			break;
		case "mail.com":
			mailAddress = "www.mail.com/int/";
			break;
		default:
			mailAddress = "I am sorry , We have not included your mailbox!";
			break;
		}
		return mailAddress;
	}