DAL/ContractInfoService.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace DAL
{
	/// <summary>
	/// 数据访问类:ContractInfoService
	/// </summary>
	public partial class ContractInfoService
	{
		public ContractInfoService()
		{}
		#region  BasicMethod
		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from ContractInfo");
			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 static int Add(Model.ContractInfo model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into ContractInfo(");
			strSql.Append("contractNumber,userId,contractType,typeId,timeFrom,timeEnd,storeMoney,status,remark,addTime,otherTime,infoType)");
			strSql.Append(" values (");
			strSql.Append("@contractNumber,@userId,@contractType,@typeId,@timeFrom,@timeEnd,@storeMoney,@status,@remark,@addTime,@otherTime,@infoType)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@contractNumber", SqlDbType.VarChar,50),
					new SqlParameter("@userId", SqlDbType.Int,4),
					new SqlParameter("@contractType", SqlDbType.Int,4),
					new SqlParameter("@typeId", SqlDbType.Int,4),
					new SqlParameter("@timeFrom", SqlDbType.DateTime),
					new SqlParameter("@timeEnd", SqlDbType.DateTime),
					new SqlParameter("@storeMoney", SqlDbType.Money,8),
					new SqlParameter("@status", SqlDbType.Int,4),
					new SqlParameter("@remark", SqlDbType.VarChar,1500),
					new SqlParameter("@addTime", SqlDbType.DateTime),
					new SqlParameter("@otherTime", SqlDbType.DateTime),
					new SqlParameter("@infoType", SqlDbType.Int,4)};
			parameters[0].Value = model.contractNumber;
			parameters[1].Value = model.userId;
			parameters[2].Value = model.contractType;
			parameters[3].Value = model.typeId;