DAL/AdminUserService.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Model;
namespace DAL
{
	/// <summary>
	/// 数据访问类AdminUserService。
	/// </summary>
	public class AdminUserService
	{
		public AdminUserService()
		{}
		#region  成员方法
        /// <summary>
        /// 启用或停用管理员
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public static int UseAdmin(int id,int status)
        {
            string sql = "";
            if (status == 1)
            {
                sql = "update AdminUser set status = 2 where id = " + id;
            }
            else
            {
                sql = "update AdminUser set status = 1 where id = " + id;
            }

            return DBHelperSQL.ExecuteSql(sql);
        }
		/// <summary>
		/// 是否存在该记录
		/// </summary>
        public static bool Exists(AdminUser item)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from AdminUser");
            strSql.Append(" where username=@username ");
			SqlParameter[] parameters = {
					new SqlParameter("@username", SqlDbType.VarChar,40)};
			parameters[0].Value = item.username;

			return DBHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public static int Add(Model.AdminUser model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into AdminUser(");
			strSql.Append("username,password,md5Pass,realName,roleId,status,remark)");
			strSql.Append(" values (");
			strSql.Append("@username,@password,@md5Pass,@realName,@roleId,@status,@remark)");