BLL/AchieveBLL/RoleBLL.cs

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using AchieveCommon;
using AchieveDALFactory;
using AchieveEntity;
using AchieveInterfaceDAL;
using System;
using System.Collections.Generic;
using System.Data;

namespace AchieveBLL
{
    /// <summary>
    /// 角色（BLL）
    /// </summary>
    public class RoleBLL
    {
        private IRoleDAL dal = DALFactory.GetRoleDAL();

        /// <summary>
        /// 根据用户id获取用户角色
        /// </summary>
        public DataTable GetRoleByUserId(int id)
        {
            return dal.GetRoleByUserId(id);
        }

        /// <summary>
        /// 根据条件获取角色
        /// </summary>
        public string GetAllRole(string where)
        {
            return JsonHelper.ToJson(dal.GetAllRole(where));
        }

        /// <summary>
        /// 获取分页数据
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="columns">要取的列名（逗号分开）</param>
        /// <param name="order">排序</param>
        /// <param name="pageSize">每页大小</param>
        /// <param name="pageIndex">当前页</param>
        /// <param name="where">查询条件</param>
        /// <param name="totalCount">总记录数</param>
        public string GetPager(string tableName, string columns, string order, int pageSize, int pageIndex, string where, out int totalCount)
        {
            DataTable dt = SqlPagerHelper.GetPager(tableName, columns, order, pageSize, pageIndex, where, out totalCount);
            return JsonHelper.ToJson(dt);
        }

        /// <summary>
        /// 添加角色
        /// </summary>
        public int AddRole(RoleEntity role)
        {
            RoleEntity roleCompare = dal.GetRoleByRoleName(role.RoleName);
            if (roleCompare != null)
            {
                throw new Exception("已经存在此角色！");
            }
            return dal.AddRole(role);