/// <summary>
/// 获取验证实体类
/// </summary>
/// <param name="XmlTwoHandler"></param>
/// <param name="dtXml"></param>
/// <param name="sourceDataTable"></param>
/// <returns></returns>
private TableValidate GetTableValidate(XmlTwoHandler XmlTwoHandler, DataTable dtXml, DataTable sourceDataTable)
{
string pkName = XmlTwoHandler.GetRootNodeAttr("pk");
string fkName = XmlTwoHandler.GetRootNodeAttr("fk");
string dbTableName = XmlTwoHandler.GetRootNodeAttr("tableName");
string dbPkName = string.IsNullOrWhiteSpace(pkName) ? string.Empty : dtXml.Select(string.Format("cn='{0}'", pkName))[0]["InnerText"].ToString();
string dbFkName = string.IsNullOrWhiteSpace(fkName) ? string.Empty : dtXml.Select(string.Format("cn='{0}'", fkName))[0]["InnerText"].ToString();
TableValidate validate = new TableValidate()
{
SourceTable = sourceDataTable,
PK = pkName,
FK = fkName,
DbPK = dbPkName,
DbFK = dbFkName,
DbTableName = dbTableName
};
return(validate);
}
/// <summary>
/// 为工作簿创建一个新的工作表
/// Created by sang at 2013.09.17
/// </summary>
/// <param name="dtSource">数据源表</param>
/// <param name="XmlName">配置文件</param>
private static void CreateSheets(HSSFWorkbook workbook, DataTable dtSource, string PathName, string XmlName)
{
ISheet sheet; //当前操作的sheet, 由AddNewSheet方法实例化
XmlTwoHandler XmlH = new XmlTwoHandler(PathName + XmlName); //实例化XMl
DataTable XmlTable = XmlH.GetAllData(); //获取XML中的数据
string sheetName = XmlH.GetRootNodeAttr("xmlns:p1"); //定义工作表名称
int rowIndex; //定义行索引, 从第2行开始写入, 因为第一行是列头
int rowStart; //数据起始写入行, 创建sheet后输出
sheet = AddNewSheet(workbook, XmlH, sheetName, out rowStart);
rowIndex = rowStart + 1; //从开始行的下一行开始写入数据
int columnMaxWidth = 100 * 256; //excel中列的最大宽度
ICellStyle dateStyle = workbook.CreateCellStyle(); //创建单元格显示样式
IDataFormat format = workbook.CreateDataFormat(); //创建数据信息
foreach (DataRow row in dtSource.Rows)
{
//如果大于65535行则另外新建一个sheet
if (rowIndex == 65535)
{
sheet = AddNewSheet(workbook, XmlH, sheetName + ((int)rowIndex / 65535).ToString(), out rowStart);
rowIndex = rowStart + 1;
}
//填充内容
IRow xlsNewRow = sheet.CreateRow(rowIndex);
for (int i = 0; i < XmlH.NodeCount(); i++)
{
ICell xlsNewCell = xlsNewRow.CreateCell(i);
string columnName = XmlTable.Rows[i]["InnerText"].ToString();
//获取当前行当前列的值
string drValue = row[columnName].ToString();
//当前列配置文件的路径
string path = Convert.ToString(XmlTable.Rows[i]["path"]);
if (!string.IsNullOrEmpty(path))
{ //当配置文件不为空时,将drValue转换为配置文件中的值
XmlTwoHandler xmlconfig = new XmlTwoHandler(path);
DataTable configtable = xmlconfig.GetAllData();
drValue = configtable.Select("InnerText='" + drValue + "'")[0]["cn"].ToString();
xlsNewCell.SetCellValue(drValue);//给数据当前行当前列赋值,无论列是什么类型都作为string写入
}
else
{ //没有配置文件时根据类型写入drValue值
#region 根据类型写入单元格数据
switch (dtSource.Columns[columnName].DataType.ToString())
{
case "System.String": //字符串类型
xlsNewCell.SetCellValue(drValue);
break;
case "System.DateTime": //日期类型
if (!string.IsNullOrEmpty(drValue))
{
DateTime dateV;
DateTime.TryParse(drValue, out dateV);
xlsNewCell.SetCellValue(dateV);
//ICellStyle dateStyle = workbook.CreateCellStyle();//创建单元格显示样式
//IDataFormat format = workbook.CreateDataFormat();//创建数据信息
dateStyle.DataFormat = format.GetFormat("yyyy-mm-dd hh:mm:ss");
xlsNewCell.CellStyle = dateStyle;
}
break;
case "System.Boolean": //布尔型
bool boolV = false;
bool.TryParse(drValue, out boolV);
xlsNewCell.SetCellValue(boolV);
break;
case "System.Int16": //整型
case "System.Int32":
case "System.Int64":
case "System.Byte":
int intV = 0;
int.TryParse(drValue, out intV);
xlsNewCell.SetCellValue(intV);
break;
case "System.Decimal": //浮点型
case "System.Double":
double doubV = 0;
double.TryParse(drValue, out doubV);
xlsNewCell.SetCellValue(doubV);
break;
case "System.DBNull": //空值处理
xlsNewCell.SetCellValue("");
break;
default:
xlsNewCell.SetCellValue("");
break;
}
#endregion
}
//根据数据重新设置列宽
int columnWidth = sheet.GetColumnWidth(i);
int dataWidth = (Encoding.GetEncoding(936).GetBytes(drValue).Length + 1) * 256;
if (columnWidth > 0 && dataWidth > columnWidth)
{
if (dataWidth > columnMaxWidth)
{
sheet.SetColumnWidth(i, columnMaxWidth);
//HSSFCellStyle cellStyle = (HSSFCellStyle)xlsNewCell.CellStyle;
//cellStyle.WrapText = true;
//xlsNewCell.CellStyle = cellStyle;
}
else
{
sheet.SetColumnWidth(i, dataWidth);
}
}
}
rowIndex++;
}
}
/// <summary>
/// 为工作簿增加一个工作表, 增加时会根据配置文件创建列头并根据列头设置列宽
/// Added by sang at 2013.09.18
/// </summary>
/// <param name="workbook"></param>
/// <param name="XmlH"></param>
/// <param name="sheetName"></param>
/// <param name="rowStart">数据开始行号</param>
/// <returns>增加的工作表</returns>
private static ISheet AddNewSheet(HSSFWorkbook workbook, XmlTwoHandler XmlH, string sheetName, out int rowStart)
{
ISheet sheet;
DataTable XmlTable = XmlH.GetAllData();
//如果没有定义sheetName则默认为"Sheet"
if (string.IsNullOrEmpty(sheetName))
{
sheetName = "Sheet";
}
//如果工作表的名字已存在则在后面加(1)
if (workbook.GetSheet(sheetName) != null)
{
string tempSheetName = sheetName;
for (int i = 1; workbook.GetSheet(tempSheetName) != null; i++)
{
tempSheetName = sheetName + "(" + i.ToString() + ")";
}
sheetName = tempSheetName;
}
//为工作簿新增工作表
sheet = workbook.CreateSheet(sheetName);
//数据起始写入行
rowStart = 0;
IRow headerRow = sheet.CreateRow(rowStart);
//表头及样式
if (XmlH.GetRootNodeAttr("xmlns:p2") != "无")
{
headerRow.HeightInPoints = 25;
headerRow.CreateCell(0).SetCellValue(XmlH.GetRootNodeAttr("xmlns:p2"));
//sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0, 0, 0, XmlH.NodeCount() - 1));
//定义数据开始写入行
rowStart = 1;
}
//根据列头为工作表的每一列设置列宽
ICellStyle headStyle = workbook.CreateCellStyle();
IFont font = workbook.CreateFont();
for (int columnCount = 0; columnCount < XmlH.NodeCount(); columnCount++)
{
string colName = XmlTable.Rows[columnCount]["InnerText"].ToString();
int textLength = 0;
//获取列头的字符串长度
textLength = Encoding.GetEncoding(936).GetBytes(colName).Length;//获取当前字符串的长度；
//列名和列头格式
ICell cell = headerRow.CreateCell(columnCount);
cell.SetCellValue(XmlTable.Rows[columnCount]["cn"].ToString());
headStyle.Alignment = HorizontalAlignment.Center;
//font.FontHeightInPoints = 12;
font.Boldweight = (short)FontBoldWeight.Bold;
headStyle.SetFont(font);
cell.CellStyle = headStyle;
//隐藏列设置列宽为0, 否则为列指定一个长度
if (Convert.ToBoolean(XmlTable.Rows[columnCount]["hidden"]))
{
sheet.SetColumnWidth(columnCount, 0);
}
else
{
sheet.SetColumnWidth(columnCount, (textLength + 1) * 256);
}
}
return(sheet);
}