DAL/DB_User.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;
namespace Laundry.DAL
{
	/// <summary>
	/// 数据访问类:DB_User
	/// </summary>
	public partial class DB_User
	{
		public DB_User()
		{}
		#region  Method

		/// <summary>
		/// 是否存在该记录
		/// </summary>
        public bool Exists(string userLogin)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from DB_User");
            strSql.Append(" where UserLogin=@UserLogin");
			SqlParameter[] parameters = {
					new SqlParameter("@UserLogin", SqlDbType.VarChar)
			};
            parameters[0].Value = userLogin;

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


		/// <summary>
		/// 增加一条数据
		/// </summary>
        public int Add(Laundry.Model.DB_User model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into DB_User(");
            strSql.Append("UserName,UserLogin,UserPass,Mobile,Sex)");
			strSql.Append(" values (");
			strSql.Append("@UserName,@UserLogin,@UserPass,@Mobile,@Sex)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@UserName", SqlDbType.VarChar,50),
					new SqlParameter("@UserLogin", SqlDbType.VarChar,50),
					new SqlParameter("@UserPass", SqlDbType.VarChar,50),
					new SqlParameter("@Mobile", SqlDbType.VarChar,50),
					new SqlParameter("@Sex", SqlDbType.VarChar,4)};
			parameters[0].Value = model.UserName;
			parameters[1].Value = model.UserLogin;
			parameters[2].Value = model.UserPass;
			parameters[3].Value = model.Mobile;
			parameters[4].Value = model.Sex;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;