//通过对象修改表数据
public bool reGoods(Goodss goods)
{
string temp = "update goodss set ";
temp += "goodsId=\"";
temp += goods.goodsId;
temp += "\",goodsName=\"";
temp += goods.goodsName;
temp += "\",price=";
temp += goods.price;
temp += ",type=";
temp += goods.type;
temp += ",color=\"";
temp += goods.color;
temp += "\",tatse=\"";
temp += goods.tatse;
temp += "\",size=";
temp += goods.size;
temp += ",batching=\"";
temp += goods.batching;
temp += "\",introduce=\"";
temp += goods.introduce;
temp += "\",toBadTime=\"";
temp += goods.toBadTime;
temp += "\",flag=";
temp += goods.flag;
temp += " where goodsId=\"";
temp += goods.goodsId;
temp += "\"";
WriteSqlSentence(temp);
bool vo = mysql.ExecuteNonQuery();
//select();
return(vo);
}
//通过对象添加数据
public bool addGoods(Goodss goods)
{
string temp = "insert into goodss values (\"";
temp += goods.goodsId;
temp += "\",\"";
temp += goods.goodsName;
temp += "\",";
temp += goods.price;
temp += ",";
temp += goods.type;
temp += ",\"";
temp += goods.color;
temp += "\",\"";
temp += goods.tatse;
temp += "\",";
temp += goods.size;
temp += ",\"";
temp += goods.batching;
temp += "\",\"";
temp += goods.introduce;
temp += "\",\"";
temp += goods.toBadTime;
temp += "\",";
temp += goods.flag;
temp += ")";
WriteSqlSentence(temp);
bool vo = mysql.ExecuteNonQuery();
//select();
return(vo);
}
private void selectGoodss()
{
//查询商品表
string sqlStr = "select * from goodss";
WriteSqlSentence(sqlStr);
goodss.Clear();
DataTable goodsTable = mysql.ExecuteQuery();
for (int i = 0; i < goodsTable.Rows.Count; i++)
{
Goodss temp = new Goodss();
temp.goodsId = goodsTable.Rows[i]["goodsId"].ToString();
temp.goodsName = goodsTable.Rows[i]["goodsName"].ToString();
temp.price = (double)goodsTable.Rows[i]["price"];
temp.type = (int)goodsTable.Rows[i]["type"];
temp.color = goodsTable.Rows[i]["color"].ToString();
temp.tatse = goodsTable.Rows[i]["tatse"].ToString();
temp.size = (int)goodsTable.Rows[i]["size"];
temp.batching = goodsTable.Rows[i]["batching"].ToString();
temp.introduce = goodsTable.Rows[i]["introduce"].ToString();
temp.toBadTime = goodsTable.Rows[i]["toBadTime"].ToString();
temp.flag = (int)goodsTable.Rows[i]["flag"];
goodss.Add(temp);
}
}
public Goodss selectGoodsFromName(string goodsName)
{
string sqlStr = "select * from goodss where goodsName = '" + goodsName + "'";
WriteSqlSentence(sqlStr);
DataTable goodsTable = mysql.ExecuteQuery();
if (goodsTable.Rows.Count < 1)
{
return(null);
}
Goodss temp = new Goodss();
temp.goodsId = goodsTable.Rows[0]["goodsId"].ToString();
temp.goodsName = goodsTable.Rows[0]["goodsName"].ToString();
temp.price = (double)goodsTable.Rows[0]["price"];
temp.type = (int)goodsTable.Rows[0]["type"];
temp.color = goodsTable.Rows[0]["color"].ToString();
temp.tatse = goodsTable.Rows[0]["tatse"].ToString();
temp.size = (int)goodsTable.Rows[0]["size"];
temp.batching = goodsTable.Rows[0]["batching"].ToString();
temp.introduce = goodsTable.Rows[0]["introduce"].ToString();
temp.toBadTime = goodsTable.Rows[0]["toBadTime"].ToString();
temp.flag = (int)goodsTable.Rows[0]["flag"];
return(temp);
}
public void copy(Goodss temp)
{
this.goodsId = temp.goodsId;
this.goodsName = temp.goodsName;
this.price = temp.price;
this.type = temp.type;
this.color = temp.color;
this.tatse = temp.tatse;
this.size = temp.size;
this.batching = temp.batching;
this.introduce = temp.introduce;
this.toBadTime = temp.toBadTime;
this.flag = temp.flag;
}
//查询并返回承载数据的对象
public Goodss selectGoods(string goodsId)
{
Goodss temp = new Goodss();
foreach (Goodss i in goodss)
{
if (i.goodsId == goodsId)
{
temp.copy(i);
return(temp);
}
}
return(null);
}
