/// <summary>
/// 导出DataGrid数据到Excel
/// </summary>
/// <param name="withHeaders">是否需要表头</param>
/// <param name="grid">DataGrid</param>
/// <returns>Excel内容字符串</returns>
public static string ExportDataGrid(bool withHeaders, DataGrid grid)
{
System.Reflection.PropertyInfo propInfo;
System.Windows.Data.Binding binding;
var strBuilder = new System.Text.StringBuilder();
DictionaryConverter dicConverter = new DictionaryConverter();
var source = (grid.ItemsSource as System.Collections.IList);
if (source == null) return "";
var headers = new List<string>();
grid.Columns.ForEach(col =>
{
if (col is DataGridBoundColumn)
{
string strHeader = ConvertDic(col.Header.ToString());
headers.Add(FormatCsvField(strHeader));
}
});
strBuilder.Append(String.Join(",", headers.ToArray())).Append("\r\n");
foreach (Object data in source)
{
var csvRow = new List<string>();
foreach (DataGridColumn col in grid.Columns)
{
try
{
if (col is DataGridBoundColumn)
{
binding = (col as DataGridBoundColumn).Binding;
string colPath = binding.Path.Path;
string[] arr = colPath.Split('.');
string dicCategory = Convert.ToString(binding.ConverterParameter);//如有绑定字典值，则为字典类别
propInfo = data.GetType().GetProperty(colPath);
object ob = data;
if (arr.Length > 1)
{
ob = data.GetObjValue(arr[0]);
propInfo = data.GetObjValue(arr[0]).GetType().GetProperty(arr[1]);
}
if (propInfo != null)
{
object obj = propInfo.GetValue(ob, null) == null ? null : propInfo.GetValue(ob, null).ToString();
obj = dicConverter.Convert(obj, null, dicCategory, null);
string value = Convert.ToString(obj);
csvRow.Add(FormatCsvField(value));
}
}
}
catch
{
continue;
}
}
strBuilder.Append(String.Join(",", csvRow.ToArray())).Append("\r\n");
}
return strBuilder.ToString();
}
/// <summary>
/// 导出DataGrid数据到Excel
/// </summary>
/// <param name="withHeaders">是否需要表头</param>
/// <param name="grid">DataGrid</param>
/// <returns>Excel内容字符串</returns>
public static string ExportDataGridWithDataSource(bool withHeaders, DataGrid grid, object DataSource)
{
System.Reflection.PropertyInfo propInfo;
System.Windows.Data.Binding binding;
var strBuilder = new System.Text.StringBuilder();
DictionaryConverter dicConverter = new DictionaryConverter();
var source = DataSource as System.Collections.IList;
if (source == null)
{
return("");
}
var headers = new List <string>();
grid.Columns.ForEach(col =>
{
if (col is DataGridBoundColumn)
{
string strHeader = ConvertDic(col.Header.ToString());
headers.Add(FormatCsvField(strHeader));
}
});
strBuilder.Append(String.Join(",", headers.ToArray())).Append("\r\n");
foreach (Object data in source)
{
var csvRow = new List <string>();
foreach (DataGridColumn col in grid.Columns)
{
try
{
if (col is DataGridBoundColumn)
{
binding = (col as DataGridBoundColumn).Binding;
string colPath = binding.Path.Path.Replace("Entity.", "");
string[] arr = colPath.Split('.');
string dicCategory = Convert.ToString(binding.ConverterParameter);//如有绑定字典值，则为字典类别
propInfo = data.GetType().GetProperty(colPath);
object ob = data;
if (arr.Length > 1)
{
ob = data.GetObjValue(arr[0]);
propInfo = data.GetObjValue(arr[0]).GetType().GetProperty(arr[1]);
}
if (propInfo != null)
{
object obj = propInfo.GetValue(ob, null) == null ? null : propInfo.GetValue(ob, null).ToString();
obj = dicConverter.Convert(obj, null, dicCategory, null);
string value = Convert.ToString(obj);
if (colPath == "ACCOUNTOBJECTTYPE")
{
if (value == "1")
{
value = "年度预算";
}
if (value == "2")
{
value = "月度预算";
}
if (value == "3")
{
value = "个人预算";
}
}
csvRow.Add(FormatCsvField(value));
}
}
}
catch
{
continue;
}
}
strBuilder.Append(String.Join(",", csvRow.ToArray())).Append("\r\n");
}
return(strBuilder.ToString());
}
