package com.ruoyi.common.utils;

import java.util.Random;

import com.ruoyi.common.core.domain.entity.SysUser;
/**
 * shiro 工具类
 * 
 * @author ruoyi
 */
public class ShiroUtils
{
    public static SysUser getSysUser()
    {
        return SecurityUtils.getLoginUser().getUser();
    }

    public static Long getUserId()
    {
        return getSysUser().getUserId();
    }

    public static String getLoginName()
    {
        return getSysUser().getLoginName();
    }

    /**
     * 生成随机盐
     */
    public static String randomSalt()
    {
        byte[] bytes = new byte[10]; 
        Random r = new Random();
        r.nextBytes(bytes);
        String hex = new String();
        for (int i = 0; i < bytes.length; i++) {
            String s = Integer.toHexString(bytes[i] & 0xff);
            if (s.length() < 2) {
                hex += "0";
            }
            hex += s;
        }
        return hex;
    }
}