MxWeiXinPF.DAL/user_login_log.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using MxWeiXinPF.DBUtility;
using MxWeiXinPF.Common;

namespace MxWeiXinPF.DAL
{
	/// <summary>
	/// 用户登录日志
	/// </summary>
	public partial class user_login_log
	{
        private string databaseprefix; //数据库表名前缀
        public user_login_log(string _databaseprefix)
		{
            databaseprefix = _databaseprefix; 
        }

		#region 基本方法
		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
            strSql.Append("select count(1) from " + databaseprefix + "user_login_log");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
			parameters[0].Value = id;

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

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(Model.user_login_log model)
		{
			StringBuilder strSql=new StringBuilder();
            strSql.Append("insert into " + databaseprefix + "user_login_log(");
			strSql.Append("user_id,user_name,remark,login_time,login_ip)");
			strSql.Append(" values (");
			strSql.Append("@user_id,@user_name,@remark,@login_time,@login_ip)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@user_id", SqlDbType.Int,4),
					new SqlParameter("@user_name", SqlDbType.NVarChar,100),
					new SqlParameter("@remark", SqlDbType.NVarChar,255),
					new SqlParameter("@login_time", SqlDbType.DateTime),
					new SqlParameter("@login_ip", SqlDbType.NVarChar,50)};
			parameters[0].Value = model.user_id;
			parameters[1].Value = model.user_name;
			parameters[2].Value = model.remark;
			parameters[3].Value = model.login_time;
			parameters[4].Value = model.login_ip;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);