CSVReaderBase.cs
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using log4net;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using TSA_V.Common;
namespace TSA_V.LoadCSVLibrary
{
public class CSVReaderBase
{
public static char Spilt_Char = ',';
public static readonly ILog LOGGER = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
//private static int LibNameType = ConfigAppSettings.GetIntValue(Setting_Init.LibNameType);
public static Dictionary<string, string> getProAttributeMap(Type type)
{
Dictionary<string, string> proCsvMap = new Dictionary<string, string>();
PropertyInfo[] props = type.GetProperties();
foreach (PropertyInfo prop in props)
{
object[] array = prop.GetCustomAttributes(false);
if (array.Length > 0)
{
CSVAttribute att = (CSVAttribute)array[0];
if (att != null)
{
string csvName = att.FieldName;
//if (LibNameType.Equals(1)&&(String.IsNullOrEmpty(att.FieldName1 ).Equals(false)))
//{
// csvName = att.FieldName1;
//}
proCsvMap.Add(prop.Name, csvName);
}
}
}
return proCsvMap;
}
public static Dictionary<string, List<string>> getProAttributeMaps(Type type)
{
Dictionary<string, List<string>> proCsvMap = new Dictionary<string, List<string>>();
PropertyInfo[] props = type.GetProperties();
foreach (PropertyInfo prop in props)
{
object[] array = prop.GetCustomAttributes(false);
if (array.Length > 0)
{
CSVAttribute att = (CSVAttribute)array[0];
if (att != null)
{
string csvName = att.FieldName;
List<string> csvTitleList = new List<string>();
if (!String.IsNullOrEmpty(att.FieldName))
{
csvTitleList.Add(att.FieldName);
}
if (att.FiledNames != null && att.FiledNames.Length > 0)
{
csvTitleList.AddRange(att.FiledNames);
}
proCsvMap.Add(prop.Name, csvTitleList);
}
}
}
return proCsvMap;
}
/// <summary>
/// 读取一个csv文件的所有内容
/// </summary>
public static string[] ReadCSVFile(string filePath)
{
if (!File.Exists(filePath))
{
throw new FileNotFoundException("未找到文件：" + filePath);
}
string[] lines = File.ReadAllLines(filePath, Encoding.GetEncoding("gbk"));
return lines;
}
/// <summary>
/// 把数据写入csv中
/// </summary>
protected static bool WriteCSVFile(string filePath, string[] lines)
{
try
{
if (File.Exists(filePath))
{
File.Delete(filePath);
}
string fullPath = Path.GetDirectoryName(filePath);
if (!Directory.Exists(fullPath))
{
Directory.CreateDirectory(fullPath);
}
File.WriteAllLines(filePath, lines, Encoding.GetEncoding("gbk"));
//备份保存
try
{
FileInfo file = new FileInfo(filePath);
string date = DateTime.Now.ToString("yyyy-MM-dd");
string targetBackPath = @"C:\configBack\" + date + @"\";
if (!Directory.Exists(targetBackPath))
{
Directory.CreateDirectory(targetBackPath);
}
string fileName = file.Name;
string backFile = targetBackPath + fileName;
if (File.Exists(backFile))
{
File.Delete(backFile);
}
File.WriteAllLines(backFile, lines, Encoding.GetEncoding("gbk"));
}
catch (Exception e)
{
LOGGER.Error("出错：", e);
}
}
catch (Exception ex)
{
LOGGER.Error(ex.ToString());
return false;
}
return true;
}
protected static Dictionary<string, int> GetAllTitleIndex(string lineValue)
{
Dictionary<string, int> titleIndex = new Dictionary<string, int>();
var array = lineValue.Split(',');
//验证列
for (int i = 0; i < array.Length; i++)
{
string title = array[i];
titleIndex.Add(title, i);
}
return titleIndex;
}
/// <summary>
/// 根据csv标题查找对应的索引
/// </summary>
/// <param name="lineValue">标题行的值</param>
/// <param name="cvsTitleList">csv标题集合</param>
/// <returns>key=csv标题，value=索引</returns>
protected static Dictionary<string, int> GetTitleIndex(string lineValue, List<string> cvsTitleList)
{
Dictionary<string, int> titleIndex = new Dictionary<string, int>();
var array = lineValue.Split(',');
//验证列
for (int i = 0; i < array.Length; i++)
{
string title = array[i];
if (cvsTitleList.Contains(title))
{
titleIndex.Add(title, i);
}
}
if (titleIndex.Count < cvsTitleList.Count)
{
foreach (string str in cvsTitleList)
{
if (!titleIndex.ContainsKey(str) )
{
LOGGER.Error("未找到必须列：" + str + "！");
//throw new CVSFieldNotMatchingExection("未找到必须列：" + str + ",加载数据失败！");
}
}
}
return titleIndex;
}
/// <summary>
/// 根据属性名称查找对应的列索引
/// </summary>
/// <returns>key=属性名称，value=列索引</returns>
protected static Dictionary<string,int> GetProTitleIndex(string lineValue, Dictionary<string, List<string>> proTitleMaps)
{
Dictionary<string, int> titleIndex = new Dictionary<string, int>();
var array = lineValue.Split(',');
//验证列
for (int i = 0; i < array.Length; i++)
{
string title = array[i];
List<string> propList = new List<string>(proTitleMaps.Keys);
foreach(string pro in propList)
{
List<string> titleMaps = proTitleMaps[pro];
if (titleMaps.Contains(title))
{
titleIndex.Add(pro, i);
break;
}
}
}
return titleIndex;
}
}
}