注册时验证接口，如果已存在该用户返回false

src/main/java/com/ekexiu/portal/service/SysService.java

	public String getUUID(@JdbcConn Connection con, String pass) throws SQLException {
		return StringUtil.md5(pass);
	}
	
	@Get
	@Path("/isReg")
	public boolean isReg(@JdbcConn Connection con, String key) throws SQLException {
		User user = this.userDao.queryByEmailOrMobilePhone(con, key);
		if(null != user) {
			return false;
		}else{
			return true;
		}
	}
	/**
	 * 手机验证注册