57d42ca9b3
------ #### ryUpdate V2.2.2101.2301 - *.[修复]修复对于指定用户更新,其它用户偶尔也能接收到更新的BUG。 #### ryControls V2.1.2101.2301 - *.[更新]ObjectListView持续汉化。 - *.[改进]ObjectListView点击单元格编辑时,编辑文本框布满整个单元格而不是布满文字区域。 - *.[改进]ObjectListView新增TopSpace属性,表示Title和Description之间的垂直间距。
405 lines
14 KiB
C#
405 lines
14 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.Data.SQLite;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using DataParameter = System.Data.SQLite.SQLiteParameter;
|
||
using DataCommand = System.Data.SQLite.SQLiteCommand;
|
||
using DataAdapter = System.Data.SQLite.SQLiteDataAdapter;
|
||
using System.Windows.Forms;
|
||
|
||
namespace ryCommonDb
|
||
{
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
public class SQLiteDataProvider : IDbInterface
|
||
{
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
ryCommonDb.ClsDb myDb = new ryCommonDb.ClsDb();
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <returns></returns>
|
||
public int ConnDb(string sql)
|
||
{
|
||
string[] item = sql.Split('|');
|
||
if (item.Length == 1)
|
||
{
|
||
return myDb.ConnDb(sql.Replace("<app>",Application.StartupPath),"");
|
||
}
|
||
else
|
||
{ return myDb.ConnDb(item[0].Replace("<app>", Application.StartupPath), item[1]); }
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public int CloseDb()
|
||
{
|
||
myDb.CloseDb();
|
||
return 1;
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="wheresql"></param>
|
||
/// <returns></returns>
|
||
public int GetCount(string tableName, string wheresql)
|
||
{
|
||
string m_where = "";
|
||
if (wheresql != "")
|
||
{
|
||
m_where = " where " + wheresql;
|
||
}
|
||
string sql= "select count(*) from "+ tableName + m_where;
|
||
return Convert.ToInt32(myDb.ExecuteSQL(sql,(DataParameter[])GetParameter(), "0")[0]);
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="newPwd"></param>
|
||
/// <returns></returns>
|
||
public int ChangePwd(string newPwd)
|
||
{
|
||
myDb.ChangePwd(newPwd);
|
||
return 1;
|
||
}
|
||
private List<SQLIitem> list_param = new List<SQLIitem>();
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="name"></param>
|
||
/// <param name="value"></param>
|
||
public void AddParameter(string name,object value)
|
||
{
|
||
list_param.Add(new SQLIitem(name, value));
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="name"></param>
|
||
/// <param name="value"></param>
|
||
public void ClearParameter(object name, object value)
|
||
{
|
||
list_param.Clear();
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public object[] GetParameter()
|
||
{
|
||
DataParameter[] defPar = new DataParameter[list_param.Count];
|
||
for (int i = 0; i < list_param.Count; i++)
|
||
{
|
||
SQLIitem item = (SQLIitem)list_param[i];
|
||
defPar[i] = new DataParameter("@" + item.Field.TrimStart('@').TrimStart('[').TrimEnd(']'), item.value);
|
||
}
|
||
return defPar;
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="mySQL"></param>
|
||
/// <returns></returns>
|
||
public object[] GetParameter(RyQuickSQL mySQL)
|
||
{
|
||
DataParameter[] defPar = new DataParameter[mySQL.List.Count + mySQL.List_param.Count];
|
||
for (int i = 0; i < mySQL.List.Count; i++)
|
||
{
|
||
SQLIitem item = (SQLIitem)mySQL.List[i];
|
||
defPar[i] = new DataParameter("@" + item.Field.TrimStart('@').TrimStart('[').TrimEnd(']'), item.value);
|
||
}
|
||
for (int i = mySQL.List.Count; i < mySQL.List.Count + mySQL.List_param.Count; i++)
|
||
{
|
||
SQLIitem item = (SQLIitem)mySQL.List_param[i - mySQL.List.Count];
|
||
defPar[i] = new DataParameter("@" + item.Field.TrimStart('@').TrimStart('[').TrimEnd(']'), item.value);
|
||
}
|
||
return defPar;
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="wheresql"></param>
|
||
/// <param name="orderSQL"></param>
|
||
/// <returns></returns>
|
||
public string GetPageSQL(string tableName, string wheresql, string orderSQL)
|
||
{
|
||
return GetPageSQL("*", tableName, wheresql, orderSQL);
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="wheresql"></param>
|
||
/// <param name="orderSQL"></param>
|
||
/// <returns></returns>
|
||
public string GetPageSQL2(string tableName, string wheresql, string orderSQL)
|
||
{
|
||
return "";
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="field"></param>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="wheresql"></param>
|
||
/// <param name="orderSQL"></param>
|
||
/// <returns></returns>
|
||
public string GetPageSQL(string field,string tableName, string wheresql, string orderSQL)
|
||
{
|
||
string m_where = "";
|
||
if (wheresql != "")
|
||
{
|
||
m_where = " where " + wheresql;
|
||
}
|
||
string m_order = "";
|
||
if (orderSQL != "")
|
||
{
|
||
m_order = " " + orderSQL;
|
||
}
|
||
return "select "+ field + " from " + tableName + m_where + m_order + " limit {pagesize} offset {recordnum}";
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="field"></param>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="wheresql"></param>
|
||
/// <param name="orderSQL"></param>
|
||
/// <returns></returns>
|
||
public string GetPageSQL2(string field,string tableName, string wheresql, string orderSQL)
|
||
{
|
||
return "";
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <param name="Parameter"></param>
|
||
/// <returns></returns>
|
||
public bool ContainsData(string sql, object[] Parameter)
|
||
{
|
||
System.Data.DataSet ds=ReadData(sql, Parameter);
|
||
if (ds != null && ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
|
||
{
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <param name="Parameter"></param>
|
||
/// <returns></returns>
|
||
public System.Data.DataSet ReadData(string sql, object[] Parameter)
|
||
{
|
||
DataCommand cmd = myDb.SQLite_cn.CreateCommand();
|
||
cmd.Parameters.Clear();
|
||
if (Parameter != null)
|
||
cmd.Parameters.AddRange(Parameter);
|
||
cmd.CommandText = sql;
|
||
DataAdapter ad = new DataAdapter(cmd);
|
||
System.Data.DataSet ds=new System.Data.DataSet();
|
||
ad.Fill(ds);
|
||
ad.Dispose();
|
||
cmd.Dispose();
|
||
return ds;
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <param name="mySQL"></param>
|
||
/// <returns></returns>
|
||
public System.Data.DataSet ReadData(string sql, RyQuickSQL mySQL)
|
||
{
|
||
return ReadData(sql, GetParameter(mySQL));
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <returns></returns>
|
||
public System.Data.DataSet ReadData(string sql)
|
||
{
|
||
object[] Parameter = null;
|
||
return ReadData(sql, Parameter);
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="id"></param>
|
||
/// <returns></returns>
|
||
public System.Data.DataSet ReadData(string tableName, string id)
|
||
{
|
||
object[] Parameter = null;
|
||
return ReadData("select * from " + tableName + " where id=" + id, Parameter);
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <param name="Parameter"></param>
|
||
/// <returns></returns>
|
||
public int ExecuteNonQuery(string sql, object[] Parameter)
|
||
{
|
||
DataCommand cmd = myDb.SQLite_cn.CreateCommand();
|
||
cmd.Parameters.Clear();
|
||
if(Parameter!=null)
|
||
cmd.Parameters.AddRange(Parameter);
|
||
cmd.CommandText = sql;
|
||
int i= cmd.ExecuteNonQuery();
|
||
cmd.Dispose();
|
||
return i;
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <param name="mySQL"></param>
|
||
/// <returns></returns>
|
||
public int ExecuteNonQuery(string sql, RyQuickSQL mySQL)
|
||
{
|
||
return ExecuteNonQuery(sql, GetParameter(mySQL));
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="sql"></param>
|
||
/// <returns></returns>
|
||
public int ExecuteNonQuery(string sql)
|
||
{
|
||
object[] pram = null;
|
||
return ExecuteNonQuery(sql, pram);
|
||
}
|
||
SQLiteTransaction tr;
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
public void BeginTransaction()
|
||
{
|
||
tr= myDb.SQLite_cn.BeginTransaction();
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
public void Commit()
|
||
{
|
||
tr.Commit();
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="id"></param>
|
||
/// <returns></returns>
|
||
public int DelById(string tableName, string id)
|
||
{
|
||
object[] param = null;
|
||
return ExecuteNonQuery("delete from " + tableName + " where id=" + id, param);
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <param name="mySQL"></param>
|
||
/// <returns></returns>
|
||
public int CreateDb(RyQuickSQL mySQL)
|
||
{
|
||
bool table_exist = true;
|
||
DataCommand cmd = myDb.SQLite_cn.CreateCommand();
|
||
cmd.Parameters.Clear();
|
||
cmd.CommandText = "SELECT COUNT(*) FROM sqlite_master where type='table' and name='" + mySQL.TableName + "'";
|
||
if (0 == Convert.ToInt32(cmd.ExecuteScalar()))
|
||
{
|
||
table_exist = false;
|
||
}
|
||
else
|
||
{
|
||
table_exist = true;
|
||
}
|
||
cmd.Dispose();
|
||
if (table_exist)
|
||
{
|
||
System.Data.DataSet ds = ReadData("select * from " + mySQL.TableName + " limit 1");
|
||
for (int i = 0; i < mySQL.List.Count; i++)
|
||
{
|
||
#region 循环表字段，如果不存在就创建
|
||
SQLIitem item = (SQLIitem)mySQL.List[i];
|
||
if (ds.Tables[0].Columns.Contains(item.Field))
|
||
{ continue; }
|
||
string Field = "";
|
||
if (item.value is string)
|
||
{
|
||
Field = "[" + item.Field.TrimStart('[').TrimEnd(']') + "] TEXT COLLATE NOCASE";
|
||
}
|
||
else if (item.value is int || item.value is Int64)
|
||
{
|
||
Field = "[" + item.Field.TrimStart('[').TrimEnd(']') + "] INTEGER DEFAULT 0";
|
||
}
|
||
else if (item.value is double || item.value is float)
|
||
{
|
||
Field = "[" + item.Field.TrimStart('[').TrimEnd(']') + "] FLOAT DEFAULT 0";
|
||
}
|
||
else if (item.value is DateTime)
|
||
{
|
||
Field = "[" + item.Field.TrimStart('[').TrimEnd(']') + "] DATETIME";
|
||
}
|
||
try
|
||
{
|
||
object[] param = null;
|
||
ExecuteNonQuery("ALTER TABLE " + mySQL.TableName + " ADD COLUMN " + Field, param);
|
||
}
|
||
catch (Exception) { }
|
||
#endregion
|
||
}
|
||
return 1;
|
||
}
|
||
else
|
||
{
|
||
#region 创建表
|
||
string tmpSQL = "CREATE TABLE " + mySQL.TableName + " ([ID] INTEGER PRIMARY KEY,";
|
||
for (int i = 0; i < mySQL.List.Count; i++)
|
||
{
|
||
SQLIitem item = (SQLIitem)mySQL.List[i];
|
||
if (item.value is string)
|
||
{
|
||
tmpSQL += "[" + item.Field.TrimStart('[').TrimEnd(']') + "] TEXT COLLATE NOCASE,";
|
||
}
|
||
else if (item.value is int || item.value is Int64)
|
||
{
|
||
tmpSQL += "[" + item.Field.TrimStart('[').TrimEnd(']') + "] INTEGER DEFAULT 0,";
|
||
}
|
||
else if (item.value is double || item.value is float)
|
||
{
|
||
tmpSQL += "[" + item.Field.TrimStart('[').TrimEnd(']') + "] FLOAT DEFAULT 0,";
|
||
}
|
||
else if (item.value is DateTime)
|
||
{
|
||
tmpSQL += "[" + item.Field.TrimStart('[').TrimEnd(']') + "] DATETIME,";
|
||
}
|
||
}
|
||
object[] param = null;
|
||
return ExecuteNonQuery(tmpSQL.Substring(0, tmpSQL.Length - 1) + ")", param);
|
||
#endregion
|
||
}
|
||
}
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
public void Free()
|
||
{
|
||
list_param.Clear();
|
||
myDb.CloseDb();
|
||
}
|
||
}
|
||
}
|