106 lines
2.8 KiB
C#
106 lines
2.8 KiB
C#
using System;
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using System.Data;
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using System.Text;
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using System.Data.SqlClient;
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namespace Mtxfw.DAL
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{
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/// <summary>
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/// 数据访问类:host
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/// </summary>
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public partial class host : Mtxfw.Utility.Myabstract
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{
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public host()
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: base("host")
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{ }
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/// <summary>
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/// 得到一个对象实体
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/// </summary>
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public int GetId(string hostname)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select top 1 * from host ");
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strSql.Append(" where hostname=@hostname");
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SqlParameter[] parameters = {
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new SqlParameter("@hostname", SqlDbType.VarChar,50)};
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parameters[0].Value = hostname;
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int id = 0;
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DataSet ds = Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString(), parameters);
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if (ds.Tables[0].Rows.Count > 0)
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{
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id = int.Parse(ds.Tables[0].Rows[0]["Id"].ToString());
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}
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return id;
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}
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/// <summary>
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/// 删除一条数据
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/// </summary>
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public bool Delete(int Id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("delete from host ");
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strSql.Append(" where Id=@Id");
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SqlParameter[] parameters = {
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new SqlParameter("@Id", SqlDbType.Int,4)
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};
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parameters[0].Value = Id;
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int rows = Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(strSql.ToString(), parameters);
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 获得数据列表
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/// </summary>
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public DataSet GetList(string strWhere)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select * ");
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strSql.Append(" FROM host ");
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if (strWhere.Trim() != "")
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{
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strSql.Append(" where " + strWhere);
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}
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return Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
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}
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/// <summary>
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/// 获得前几行数据
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/// </summary>
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public DataSet GetList(int Top, string strWhere, string filedOrder)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select ");
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if (Top > 0)
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{
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strSql.Append(" top " + Top.ToString());
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}
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strSql.Append(" * ");
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strSql.Append(" FROM host ");
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if (strWhere.Trim() != "")
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{
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strSql.Append(" where " + strWhere);
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}
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strSql.Append(" order by " + filedOrder);
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return Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
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}
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}
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}
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