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294 regels
12 KiB
294 regels
12 KiB
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 Basic.DAL
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{
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/// <summary>
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/// 数据访问层comment
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/// </summary>
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public partial class comment
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{
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#region 原始的
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/// <summary>
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/// 增加一条数据
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/// </summary>
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public int Add(Basic.Model.comment model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("insert into tb_comment(");
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strSql.Append("name,user_id,product_id,attribute_id,product_name,product_path,content,review,status,add_time)");
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strSql.Append(" values (");
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strSql.Append("@name,@user_id,@product_id,@attribute_id,@product_name,@product_path,@content,@review,@status,@add_time)");
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strSql.Append(";select @@IDENTITY");
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SqlParameter[] parameters = {
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new SqlParameter("@name", SqlDbType.NVarChar,50),
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new SqlParameter("@user_id", SqlDbType.Int,10),
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new SqlParameter("@product_id", SqlDbType.Int,10),
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new SqlParameter("@attribute_id", SqlDbType.NVarChar,255),
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new SqlParameter("@product_name", SqlDbType.NVarChar,255),
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new SqlParameter("@product_path", SqlDbType.NVarChar,255),
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new SqlParameter("@content", SqlDbType.NVarChar,255),
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new SqlParameter("@review", SqlDbType.NVarChar,255),
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new SqlParameter("@status", SqlDbType.Int,10),
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new SqlParameter("@add_time", SqlDbType.DateTime,23)};
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parameters[0].Value = model.name;
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parameters[1].Value = model.user_id;
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parameters[2].Value = model.product_id;
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parameters[3].Value = model.attribute_id;
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parameters[4].Value = model.product_name;
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parameters[5].Value = model.product_path;
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parameters[6].Value = model.content;
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parameters[7].Value = model.review;
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parameters[8].Value = model.status;
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parameters[9].Value = model.add_time;
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object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
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if (obj == null)
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{
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return 0;
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}
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else
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{
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return Convert.ToInt32(obj);
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}
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}
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/// <summary>
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/// 更新一条数据
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/// </summary>
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public bool Update(Basic.Model.comment model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update tb_comment set ");
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strSql.Append("name=@name,");
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strSql.Append("user_id=@user_id,");
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strSql.Append("product_id=@product_id,");
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strSql.Append("attribute_id=@attribute_id,");
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strSql.Append("product_name=@product_name,");
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strSql.Append("product_path=@product_path,");
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strSql.Append("content=@content,");
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strSql.Append("review=@review,");
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strSql.Append("status=@status,");
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strSql.Append("add_time=@add_time");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@name", SqlDbType.NVarChar,50),
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new SqlParameter("@user_id", SqlDbType.Int,10),
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new SqlParameter("@product_id", SqlDbType.Int,10),
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new SqlParameter("@attribute_id", SqlDbType.NVarChar,255),
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new SqlParameter("@product_name", SqlDbType.NVarChar,255),
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new SqlParameter("@product_path", SqlDbType.NVarChar,255),
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new SqlParameter("@content", SqlDbType.NVarChar,255),
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new SqlParameter("@review", SqlDbType.NVarChar,255),
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new SqlParameter("@status", SqlDbType.Int,10),
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new SqlParameter("@add_time", SqlDbType.DateTime,23),
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = model.name;
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parameters[1].Value = model.user_id;
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parameters[2].Value = model.product_id;
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parameters[3].Value = model.attribute_id;
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parameters[4].Value = model.product_name;
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parameters[5].Value = model.product_path;
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parameters[6].Value = model.content;
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parameters[7].Value = model.review;
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parameters[8].Value = model.status;
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parameters[9].Value = model.add_time;
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parameters[10].Value = model.id;
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int rows = DbHelperSQL.ExecuteSql(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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/// 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 tb_comment");
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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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parameters[0].Value = id;
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int rows = DbHelperSQL.ExecuteSql(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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/// 得到一个对象实体
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/// </summary>
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public Basic.Model.comment GetModel(int id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select top 1 id,name,user_id,product_id,attribute_id,product_name,product_path,content,review,status,add_time from tb_comment");
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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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parameters[0].Value = id;
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Basic.Model.comment model = new Basic.Model.comment();
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DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
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if (ds.Tables[0].Rows.Count > 0)
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{
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["id"].ToString()))
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{
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model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["name"].ToString()))
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{
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model.name = ds.Tables[0].Rows[0]["name"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["user_id"].ToString()))
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{
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model.user_id = int.Parse(ds.Tables[0].Rows[0]["user_id"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["product_id"].ToString()))
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{
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model.product_id = int.Parse(ds.Tables[0].Rows[0]["product_id"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["attribute_id"].ToString()))
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{
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model.attribute_id = ds.Tables[0].Rows[0]["attribute_id"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["product_name"].ToString()))
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{
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model.product_name = ds.Tables[0].Rows[0]["product_name"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["product_path"].ToString()))
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{
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model.product_path = ds.Tables[0].Rows[0]["product_path"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["content"].ToString()))
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{
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model.content = ds.Tables[0].Rows[0]["content"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["review"].ToString()))
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{
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model.review = ds.Tables[0].Rows[0]["review"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["status"].ToString()))
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{
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model.status = int.Parse(ds.Tables[0].Rows[0]["status"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["add_time"].ToString()))
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{
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model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString());
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}
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return model;
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}
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else
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{
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return null;
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}
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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("id,name,user_id,product_id,attribute_id,product_name,product_path,content,review,status,add_time");
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strSql.Append(" from tb_comment");
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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 DbHelperSQL.Query(strSql.ToString());
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}
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/// <summary>
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/// 是否存在该记录
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/// </summary>
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public bool Exists(int id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select count(1) from tb_comment");
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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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parameters[0].Value = id;
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return DbHelperSQL.Exists(strSql.ToString(), parameters);
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}
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#endregion
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//=======================================================================================================后加的
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/// <summary>
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/// 获得查询分页数据
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/// </summary>
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public DataSet GetList(string _strWhere, string _orderby, int _pageSize, int _page, out int recordCount)
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{
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BasicPage bp = new BasicPage();
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StringBuilder str_Sql = new StringBuilder();
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str_Sql.Append("select top " + _pageSize + " * from tb_comment");
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str_Sql.Append(" where ");
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str_Sql.Append(_strWhere);
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str_Sql.Append(" and id not in ");
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str_Sql.Append(" ( ");
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str_Sql.Append(" select top " + (_page - 1) * _pageSize + " id from tb_comment ");
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str_Sql.Append(" where ");
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str_Sql.Append(_strWhere);
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str_Sql.Append(" order by ");
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str_Sql.Append(_orderby);
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str_Sql.Append(" ) ");
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str_Sql.Append(" order by ");
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str_Sql.Append(_orderby);
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DataSet dst = bp.SelectDataBase("tb_comment", str_Sql.ToString());
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//
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recordCount = totlePage(showTotal(_strWhere), _pageSize);
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return dst;
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}
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//总页数
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public int totlePage(int Total, int PageSize)
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{
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if (Total % PageSize == 0)
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{
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return Total / PageSize;
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}
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else
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{
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return Total / PageSize + 1;
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}
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}
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//总条数
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protected int showTotal(string strSql)
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{
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BasicPage bp = new BasicPage();
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int intTotal = 0;
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SqlDataReader myread = bp.getRead("select count(id) as CountId from tb_comment where " + strSql);
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if (myread.Read())
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{
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intTotal = Convert.ToInt32(myread["CountId"].ToString());
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}
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myread.Close();
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return intTotal;
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}
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}
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}
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