C#读取Excel及序列化、反序列化

2017-03-07  本文已影响0人  红定义

using System;

using System.IO;

using System.Collections.Generic;

using System.Runtime.Serialization.Formatters.Binary;

using System.Data;

using System.Data.OleDb;

namespace ClientExcelTableManager

{

class Program

{

public static Dictionary DataDefineList = new Dictionary();

private static bool switchMakeTable = true;

static void Main(string[] args)

{

string currentDir = Environment.CurrentDirectory;

string outPath = currentDir + "/output";

Dictionary paths = new Dictionary();

if (switchMakeTable)

{

if (Directory.Exists(outPath))

{

ClearDirectory(outPath);

}

else

{

Directory.CreateDirectory(outPath);

}

FileInfo[] _tableNames = new DirectoryInfo(currentDir).GetFiles();

for (int i = 0; i < _tableNames.Length; i++)

{

if (!_tableNames[i].Name.Contains(".meta"))

{

if (_tableNames[i].Name.Contains(".xlsx"))

{

string key = _tableNames[i].Name.Replace(".xlsx", "");

if (!paths.ContainsKey(key))

{

paths.Add(key, _tableNames[i].FullName);

}

}

else if (_tableNames[i].Name.Contains(".xls"))

{

string key = _tableNames[i].Name.Replace(".xls", "");

if (!paths.ContainsKey(key))

{

paths.Add(key, _tableNames[i].FullName);

}

}

}

}

DataDefineList.Clear();

foreach (string key in paths.Keys)

{

DataSet _dataset = ToDataTable(paths[key]);

if (_dataset != null)

{

for (int i = 0; i < _dataset.Tables.Count; i++)

{

if (_dataset.Tables[i].TableName.ToLower().Contains("filterdatabase") || _dataset.Tables[i].TableName.ToLower().Contains("sheet")) { continue; }

if (_dataset.Tables[i].Rows.Count > 0)

{

List kickOutList = new List();

#region DataDefine

string _key0 = _dataset.Tables[i].TableName.Replace("$", "");

object[] _titles = _dataset.Tables[i].Rows[0].ItemArray;

int kk = 0;

for (int k = 0; k < _titles.Length; k++)

{

if (_titles[k].ToString().Contains("#")) { kickOutList.Add(k); continue; }

if (!string.IsNullOrEmpty(_titles[k].ToString()))

{

string _addKey = key + "_" + _key0 + "_" + _titles[k].ToString();

if (!DataDefineList.ContainsKey(_addKey)) { DataDefineList.Add(_addKey, kk); }

}

kk++;

}

#endregion

int rowCount = _dataset.Tables[i].Rows.Count;

int columnCount = _dataset.Tables[i].Columns.Count;

string[,] SingleSheetData = new string[rowCount, columnCount];

for (int j = 0; j < _dataset.Tables[i].Rows.Count; j++)

{

int kkk = 0;

for (int k = 0; k < _dataset.Tables[i].Rows[j].ItemArray.Length; k++)

{

bool kickout = false;

for (int l = 0; l < kickOutList.Count; l++)

{

if (k == kickOutList[l]) { kickout = true; continue; }

}

if (kickout == false)

{

SingleSheetData[j, kkk] = _dataset.Tables[i].Rows[j].ItemArray[k].ToString();

kkk++;

}

}

}

string newTableName = "t" + key + "_" + _key0;

SerializeTable(newTableName, outPath + "/" + newTableName + ".bytes", SingleSheetData);

}

else

{

continue;

}

}

}

}

CreateDataDefine(outPath);

if (paths.Count == 0) { Console.WriteLine("no tables."); }

}

else

{

FileInfo[] _files = new DirectoryInfo(outPath).GetFiles();

for (int i = 0; i < _files.Length; i++)

{

DisSerializeTable(_files[i].FullName);

}

Console.ReadLine();

}

}

public static void ClearDirectory(string path)

{

if (Directory.Exists(path))

{

DirectoryInfo[] _di = new DirectoryInfo(path).GetDirectories();

for (int i = 0; i < _di.Length; i++)

{

ClearDirectory(_di[i].FullName);

Directory.Delete(_di[i].FullName);

}

FileInfo[] _files = new DirectoryInfo(path).GetFiles();

for (int i = 0; i < _files.Length; i++)

{

File.Delete(_files[i].FullName);

}

}

}

public static void SerializeTable(string _tableName, string _path, string[,] _data)

{

Stream fstream = new FileStream(_path, FileMode.Create, FileAccess.ReadWrite);

BinaryFormatter bf = new BinaryFormatter();

bf.Serialize(fstream, _data);

Console.WriteLine(_tableName + " Done!");

}

public static void DisSerializeTable(string _path)

{

if (_path.Contains(".bytes") && !_path.Contains(".meta"))

{

Stream fstream = new FileStream(_path, FileMode.Open, FileAccess.Read);

BinaryFormatter bf = new BinaryFormatter();

fstream.Position = 0;

string[,] _alldatas = (string[,])bf.Deserialize(fstream);

int rowCount = _alldatas.GetLength(0);

int columnCount = _alldatas.GetLength(1);

for (int i = 0; i < rowCount; i++)

{

if (i > 3) break;

string _str = "";

for (int j = 0; j < columnCount; j++)

{

_str += _alldatas[i, j] + "|";

}

Console.WriteLine(_str);

}

}

}

public static DataSet ToDataTable(string filePath)

{

string connStr = "";

string fileType = System.IO.Path.GetExtension(filePath);

if (string.IsNullOrEmpty(fileType)) return null;

//if (fileType == ".xls")

//{

//    connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath + ";Extended Properties=\"Excel 8.0;HDR=NO;IMEX=1\"";

//}

//else

//{

connStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filePath + ";Extended Properties=\"Excel 12.0;HDR=NO;IMEX=1\"";

//}

string sql_F = "select * from [{0}]";

OleDbConnection conn = null;

OleDbDataAdapter da = null;

DataTable dtSheetName = null;

DataSet ds = new DataSet();

try

{

conn = new OleDbConnection(connStr);

conn.Open();

string SheetName = "";

dtSheetName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });

da = new OleDbDataAdapter();

for (int i = 0; i < dtSheetName.Rows.Count; i++)

{

SheetName = (string)dtSheetName.Rows[i]["TABLE_NAME"];

da.SelectCommand = new OleDbCommand(String.Format(sql_F, SheetName), conn);

DataSet dsItem = new DataSet();

da.Fill(dsItem, SheetName);

ds.Tables.Add(dsItem.Tables[0].Copy());

}

}

catch (Exception ex)

{

Console.WriteLine("Exception! \r" + ex);

}

finally

{

if (conn.State == ConnectionState.Open)

{

conn.Close();

da.Dispose();

conn.Dispose();

}

}

return ds;

}

public static void CreateDataDefine(string _out)

{

string _text = "//This file is generated by tools!\r//Please do not modify this file!\r//RedDefine 2016-11-09.\r\rpublic class DataDefine \r{\r";

if (DataDefineList.Count > 0)

{

foreach (string key in DataDefineList.Keys)

{

_text += "\t public const int " + key + " = " + DataDefineList[key] + ";\r";

}

}

_text += "\r}";

File.WriteAllText(_out + "/DataDefine.cs", _text, System.Text.Encoding.Default);

}

}

}

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