init lserp cs 5.0

2026-07-10 15:25:05 +08:00
commit 90f3fda86a
3799 changed files with 976868 additions and 0 deletions
@@ -0,0 +1,87 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Data;
+using System.Data.SQLite;
+using System.IO;
+
+namespace Sashulin
+{
+    class CacheDB
+    {
+        SQLiteConnection conn = null;
+        public CacheDB()
+        {
+            conn = new SQLiteConnection();
+        }
+
+        public void Connect(string dbName)
+        {
+            Close();
+            string datasource = System.IO.Directory.GetCurrentDirectory() + "\\" +dbName + ".db";
+            if (!File.Exists(datasource))
+                SQLiteConnection.CreateFile(datasource);
+            SQLiteConnectionStringBuilder connStrBuilder = new SQLiteConnectionStringBuilder();
+            connStrBuilder.DataSource = datasource;
+            conn.ConnectionString = connStrBuilder.ToString();
+            conn.Open();
+        }
+
+        public void Close()
+        {
+            if (conn.State == System.Data.ConnectionState.Open)
+                conn.Close();
+        }
+
+        public int Execute(string commandText)
+        {
+            int res = 0;
+            using (SQLiteCommand cmd = new SQLiteCommand(commandText, conn))
+            {
+                try
+                {
+                    res = cmd.ExecuteNonQuery();
+                }
+                catch(Exception e)
+                {
+                    System.Windows.Forms.MessageBox.Show(e.Message);
+                }
+            }
+            return res;
+        }
+
+        public string Query(string commandText)
+        {
+            string res = string.Empty;
+            using (SQLiteDataAdapter adapter = new SQLiteDataAdapter(commandText, conn))
+            {
+                DataTable table = new DataTable();
+                adapter.Fill(table);
+                string tableName = "rows";
+                int columnCount = table.Columns.Count;
+                int rowcount = table.Rows.Count;
+                string record = "[";
+                foreach(DataRow row in table.Rows)
+                {
+                    record += "{";
+                    foreach (DataColumn col in table.Columns)
+                    {
+                        record += "\""+col.ColumnName+"\":\""+row[col].ToString()+"\"";
+                        if (col != table.Columns[columnCount - 1])
+                        {
+                            record += ",";
+                        }
+                    }
+                    record += "}";
+                    if (row != table.Rows[rowcount - 1])
+                    {
+                        record += ",";
+                    }
+                }
+                record += "]";
+                res = "{\"" + tableName + "\":" + record + "}";
+            }
+            return res;
+        }
+    }
+}