using System.Collections.Generic;
using UnityEngine;
using System.IO;
using System.Xml;
using Excel;
using System.Data;
 
/// <summary>
/// 創建XML表
/// </summary>
public class CreateXML : MonoBehaviour
{
 /// <summary>
 /// 表頭
 /// </summary>
 public const string xmlRoot = "FZW_MASK_XML_TABLE";
 
 //Excel名字
 public string ExcelPathName;
 
 //xml文件路徑;
 private string Path;
 //表文件名
 public string xmlName = "XMLTABLE.xml";
 //表名
 public string xmlTabeName = "XMLTABLE";
 
 //第一行字段
 private string[] tableTop;
 
 //表List
 private List<string[]> tableList=new List<string[]>();
 
 
 private void Awake()
 {
  //設置路徑
  Path = Application.streamingAssetsPath + "/XMLTable/" + xmlName;
 
  //讀取Excel
  ReadExcel(ExcelPathName);
 }
 
 
 /// <summary>
 /// 讀Excel
 /// </summary>
 /// <param name="ExcelPath"></param>
 /// <returns></returns>
 public void ReadExcel(string ExcelPath)
 {
  //excel文件位置 /MaskGame/ReadExcel/excel文件名
  FileStream stream = File.Open(Application.dataPath + "/MaskGame/ReadExcel/" + ExcelPath, FileMode.Open, FileAccess.Read);
  IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
 
  DataSet result = excelReader.AsDataSet();
 
  int rows = result.Tables[0].Rows.Count;//獲取行數(多少行信息)
  int columns = result.Tables[0].Columns.Count;//獲取列數(多少列字段)
  
  
  //初始化字段
  tableTop = new string[columns];
  
 
  //存字段
  for (int i = 0; i < columns; i++)
  {
   tableTop[i]= result.Tables[0].Rows[0][i].ToString();
  }
 
  //從第二行開始讀 讀信息
  for (int i = 1; i < rows; i++)
  {
   //臨時表
   string[] table = new string[columns];
   //賦值表信息
   for (int j = 0; j < columns; j++)
   {
    string nvalue = result.Tables[0].Rows[i][j].ToString();
    table[j] = nvalue; 
   }
   //添加到List
   tableList.Add(table);
  }
 }
 
 /// <summary>
 /// 創建表格
 /// </summary>
 private void CreateXMLTable()
 {
  //路徑錯誤
  if (File.Exists(Path)) return;
 
  //xml對象；
  XmlDocument xmll = new XmlDocument();
  //跟節點
  XmlElement Root = xmll.CreateElement(xmlRoot);
 
  for (int i = 0; i < tableList.Count; i++)
  {
   XmlElement xmlElement = xmll.CreateElement(xmlTabeName);
   xmlElement.SetAttribute(tableTop[0], tableList[i][0]);
 
   for (int j = 0; j < tableTop.Length-1; j++)
   {
    XmlElement infoElement = xmll.CreateElement(tableTop[j + 1]);
    infoElement.InnerText = tableList[i][j + 1];
    xmlElement.AppendChild(infoElement);
   }
   Root.AppendChild(xmlElement);
  }
 
  xmll.AppendChild(Root);
  xmll.Save(Path);
 
 }
 
 void OnGUI()
 {
  if (GUI.Button(new Rect(200, 200, 500, 500), "創建XML表"))
  {
   CreateXMLTable();
   Debug.Log("創建成功: " + Path);
  }
  
 }
}