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sqlite 项目实例，
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private string url = "http://gw.api.taobao.com/router/rest";
private string appkey ="12198044"; //"12299799";//"12130006";
private string appsecret = "40f6ceced642c41186ad7ccba28fa227";// "afa50ecbf3c01f7073dc09ab99b6db4c";//"6e254a97e30b0ae04eb31b21c7a24b6b";
//单击事件
private void simpleButton1_Click(object sender,EventArgs e)
{
//GetItemsOnsale2();
Service_Api_TaoBao_Itemcats();
}
private DataTable dtcatelog2; //绑定数据源
private DataRow dtcatelog;
private DataTable dtcatelogs;
private DataTable dtcatelogs2;
/// <summary>
/// 获取商家标准类目 添加至 指定的事情
/// </summary>
private void Service_Api_TaoBao_Itemcats()
{
client = new DefaultTopClient(url,appkey,appsecret,"json");
dtcatelogs = null;
dtcatelogs2 = null;
dtcatelog2 = null;
dtcatelog = null;
DirSearchDt("0");
if (dtcatelogs2 != null)
{
this.vGridControl1.DataSource = dtcatelogs2;
GetDirSearch(dtcatelogs2);
}
}
/// <summary>
/// API 获取商家标准类目
/// </summary>
/// <param name="parentid"></param>
private void DirSearchDt(string parentid)
{
try
{
ItemcatsGetRequest req = new ItemcatsGetRequest();
req.Fields = "cid,parent_cid,is_parent,status,sort_order,name";
req.ParentCid = Convert.ToInt32(parentid);
ItemcatsGetResponse props = client.Execute(req);
if (props.IsError) return;
if (dtcatelog != null && dtcatelogs!=null) dtcatelogs.Rows.Remove(dtcatelog);
if (dtcatelog2 != null && dtcatelog2.Rows.Count>0)
{
foreach( DataRow deleteItem in dtcatelog2.Rows)
{
dtcatelogs.Rows.Remove(deleteItem);
}
dtcatelog2.Rows.Clear();
}
DataTable dt = ToDataSet(props.Body).Tables["item_cat"];
if (dt != null)
{
if (dtcatelogs == null)
dtcatelogs = dt.Clone();
if (dtcatelogs2 == null)
dtcatelogs2 = dt.Clone();
dtcatelogs.Merge(dt,true,MissingSchemaAction.Ignore);
dtcatelogs2.Merge(dt,MissingSchemaAction.Ignore);
}
DataRow itemData = dtcatelogs.Rows[0];
if (Convert.ToBoolean(itemData["IS_PARENT"]))
{
dtcatelog = itemData;
DirSearchDt(itemData["CID"].ToString());
}
else
{
dtcatelogs.Rows.Remove(itemData);
for (int i = 1; i <= dtcatelogs.Rows.Count; i++)
{
if (Convert.ToBoolean(dtcatelogs.Rows[0]["IS_PARENT"]) && dtcatelogs.Rows[0]["CID"].ToString() != "0")
{
dtcatelog = dtcatelogs.Rows[0];
DirSearchDt(dtcatelogs.Rows[0]["CID"].ToString());
}
else
{
dtcatelogs.Rows.Remove(dtcatelogs.Rows[0]);
}
}
}
}
catch (Exception ex)
{
string error = ex.Message;
}
}
/// <summary>
/// 添加到 sqlite文件
/// </summary>
/// <param name="dt">商家标准类目 集合</param>
private void GetDirSearch(DataTable dt)
{
bool suc = false;
string sourceUrl="data source=D:\\DB\\CatelogDataBase.db";
if (string.IsNullOrEmpty(sourceUrl))
{
//配置错误
}
else
{
string[] arrary = sourceUrl.Split('=');
if (System.IO.File.Exists(arrary[1]))
{
//文件不存在
}
}
using (DbConnection conn = new sqliteConnection(sourceUrl))
{
conn.Open();
using (DbTransaction dbTrans = conn.BeginTransaction())
{
using (DbCommand comm = conn.CreateCommand())
{
try
{
comm.CommandText = "select CID,PARENT_CID,IS_PARENT,STATUS,SORT_ORDER,NAME1 as NAME,OWNERID,MODIFIERID,IS_ACTIVE,TYPE,ID from tb_catelog";
comm.CommandType = CommandType.Text;
using (IDataReader reader = comm.ExecuteReader())
{
if (reader.Read()) //存在
{
suc = true;
}
}
if (suc)
{
comm.CommandText = "DELETE FROM tb_catelog";
int icount = comm.ExecuteNonQuery();
}
//comm.CommandText = "insert into tb_catelog(CID,NAME1,TYPE) values(@CID,@PARENT_CID,@IS_PARENT,@STATUS,@SORT_ORDER,@NAME1,@OWNERID,@MODIFIERID,@IS_ACTIVE,@TYPE)";
comm.CommandText = "insert into tb_catelog(CID,TYPE) values(?,?,?)";
DbParameter Field1 = null;
DataRow dr = null;
for (int i = 0; i < dt.Rows.Count; i++)
{
comm.Parameters.Clear();
dr = dt.Rows[i];
for (int j = 0; j < dt.Columns.Count; j++)
{
Field1 = comm.CreateParameter();
Field1.Value = dr[j];
comm.Parameters.Add(Field1);
//Field1 = null;
}
for (int k = 0; k <= 3; k++)
{
Field1 = comm.CreateParameter();
if (k == 2)
{
Field1.Value = true;
}
else
{
Field1.Value = "burgeon";
}
comm.Parameters.Add(Field1);
}
comm.ExecuteNonQuery();
}
dbTrans.Commit();
}
catch
{
dbTrans.Rollback();
}
}
}
}
}
