private void GatherChildrenID(MDataTable dt, string parentID, StringBuilder sb, string parentName = "ParentID")
{
if (!string.IsNullOrEmpty(parentID))
{
List <MDataRow> rows = dt.FindAll(parentName + "='" + parentID + "'");
if (rows != null)
{
string id = string.Empty;
foreach (MDataRow row in rows)
{
id = row.Get <string>(0);
sb.Append("'" + id + "',");
GatherChildrenID(dt, id, sb, parentName);
}
}
}
}
/// <summary>
/// 批量更新或插入。
/// </summary>
/// <param name="dt"></param>
/// <param name="excelRow"></param>
/// <returns></returns>
public static bool AcceptChanges(MDataTable dt, MDataRow excelRow, string objName = null)
{
if (excelRow == null)
{
MDataTable dtImportUnique = GridConfig.GetList(objName, GridConfig.SelectType.ImportUnique);
string[] names = null;
if (dtImportUnique != null && dtImportUnique.Rows.Count > 0)
{
names = new String[dtImportUnique.Rows.Count];
for (int i = 0; i < dtImportUnique.Rows.Count; i++)
{
names[i] = dtImportUnique.Rows[i].Get <string>("Field");
}
}
return(dt.AcceptChanges(AcceptOp.Auto, null, names));
}
bool result = true;
//获取相关配置
string[] tables = excelRow.Get <string>(Config_Excel.TableNames).Split(',');
MDataTable configTable = GetExcelInfo(excelRow.Get <string>(Config_Excel.ExcelID));
Dictionary <string, string> rowPrimaryValue = new Dictionary <string, string>(); //存档每个表每行的主键值。
Dictionary <string, string> wherePrimaryValue = new Dictionary <string, string>(); //存档where条件对应的主键值。
using (MAction action = new MAction(tables[0]))
{
action.SetAopOff();
action.BeginTransation();
AppConfig.Debug.OpenDebugInfo = false;
IExcelConfig excelConfigExtend = ExcelConfigFactory.GetExcelConfigExtend();
foreach (var table in tables)
{
GC.Collect();//后面的Fill查询代码循环上万次会增长太多内存，提前调用，能降低内存。
action.ResetTable(table);
for (int i = 0; i < dt.Rows.Count; i++)
{
action.Data.Clear();
var row = dt.Rows[i];
foreach (var cell in row) //遍历所有数据行
{
if (cell.Struct.TableName == table) //过滤出属于本表的字段。
{
string[] items = cell.ColumnName.Split('.');
string columnName = items[items.Length - 1];
action.Set(columnName, cell.Value);
}
}
#region 检测是否需要插入外键。
MDataTable foreignTable = configTable.FindAll("TableName='" + table + "' and IsForeignkey=1");
if (foreignTable != null)
{
foreach (var foreignRow in foreignTable.Rows)
{
string formatter = foreignRow.Get <string>("Formatter");
string fTableName = foreignRow.Get <string>("ForeignTable");
if (string.IsNullOrEmpty(formatter))
{
//获取主键外值键
string key = fTableName + i;
if (rowPrimaryValue.ContainsKey(key))
{
string value = rowPrimaryValue[key];
action.Set(foreignRow.Get <string>("Field"), value);
}
}
else // 从其它自定义列取值。
{
MDataCell cell = row[formatter];
cell = cell ?? row[fTableName + "." + formatter];
if (cell != null)
{
action.Set(foreignRow.Get <string>("Field"), cell.Value);
}
}
}
foreignTable = null;
}
#endregion
#region //获取唯一联合主键,检测是否重复
string where = string.Empty;
List <MDataRow> rowList = configTable.FindAll("TableName='" + table + "' and IsUnique=1");
if (rowList != null && rowList.Count > 0)
{
bool IsUniqueOr = excelRow.Get <bool>("IsUniqueOr");
List <MDataCell> cells = new List <MDataCell>();
string errText = string.Empty;
int errorCount = 0;
foreach (var item in rowList)
{
var cell = action.Data[item.Get <string>(Config_ExcelInfo.Field)];
if (cell != null)
{
if (cell.IsNullOrEmpty) // 唯一主键是必填写字段
{
errorCount++;
errText += "[第" + (i + 1) + "行数据]：" + cell.Struct.ColumnName + "[" + cell.Struct.Description + "]不允许为空！\r\n";
}
else
{
cells.Add(cell);
}
}
}
if (errorCount > 0)
{
if (!IsUniqueOr || errorCount == rowList.Count)
{
result = false;
dt.DynamicData = new Exception(errText);
goto err;
}
}
MDataCell[] item2s = cells.ToArray();
where = action.GetWhere(!IsUniqueOr, item2s);
item2s = null;
rowList = null;
}
if (!string.IsNullOrEmpty(where))
{
action.SetSelectColumns(action.Data.PrimaryCell.ColumnName);
if (action.Fill(where))//根据条件查出主键ID
{
string key = table + where;
if (wherePrimaryValue.ContainsKey(key))
{
rowPrimaryValue.Add(table + i, wherePrimaryValue[key]);//记录上一个主键值。
}
else
{
rowPrimaryValue.Add(table + i, action.Get <string>(action.Data.PrimaryCell.ColumnName));//记录上一个主键值。
}
if (action.Data.GetState() == 2)
{
ExcelResult eResult = excelConfigExtend.BeforeUpdate(action.Data, row);
if (eResult == ExcelResult.Ignore || (eResult == ExcelResult.Default && action.Update(where)))
{
continue;//已经存在了，更新，准备下一条。
}
else
{
result = false;
dt.DynamicData = new Exception("[第" + (i + 1) + "行数据]：" + action.DebugInfo);
goto err;
}
}
else
{
continue;//已经存在了，同时没有可更新字段
}
}
else if (!string.IsNullOrEmpty(action.DebugInfo))//产生错误信息，发生异常
{
result = false;
dt.DynamicData = new Exception("[第" + (i + 1) + "行数据]：" + action.DebugInfo);
goto err;
}
}
#endregion
if (action.Data.GetState() == 0)
{
continue;//没有可映射插入的列。
}
//插入前，调用函数（插入特殊主键等值）
string errMsg;
ExcelResult excelResult = excelConfigExtend.BeforeInsert(action.Data, row, out errMsg);
if (excelResult == ExcelResult.Ignore)
{
continue;
}
if (excelResult == ExcelResult.Error || !action.Insert(InsertOp.ID))
{
result = false;
action.RollBack();
if (string.IsNullOrEmpty(errMsg))
{
errMsg = "[第" + (i + 1) + "行数据]：" + action.DebugInfo;
}
dt.DynamicData = new Exception(errMsg);
excelConfigExtend.OnInsertError(errMsg, dt);
goto err;
}
//插入后事件（可以触发其它事件）
excelConfigExtend.AfterInsert(action.Data, row, i == dt.Rows.Count - 1);
string primaryKey = action.Get <string>(action.Data.PrimaryCell.ColumnName);
rowPrimaryValue.Add(table + i, primaryKey);//记录上一个主键值。
if (!wherePrimaryValue.ContainsKey(table + where))
{
wherePrimaryValue.Add(table + where, primaryKey);
}
}
}
err:
action.EndTransation();
excelConfigExtend.Dispose();
}
return(result);
}
public static MemoryStream CreateExcelHeader(MDataTable header, Dictionary <string, string[]> validateData)
{
MemoryStream ms = new MemoryStream();
if (header != null && header.Rows.Count > 0)
{
MDataTable importHeader = header.FindAll("Import=1");
try
{
XSSFWorkbook export = new XSSFWorkbook();
ICellStyle style = GetStyle(export, HSSFColor.LightOrange.Index);
ISheet sheet = export.CreateSheet("Sheet1");//创建内存Excel
#region 创建引用
int rowStartIndex = 1;
CreateValidationSheet(export, validateData, rowStartIndex);
#endregion
importHeader.Rows.Sort("ORDER BY MergeIndexed DESC");//Hidden=0 AND (Export=1 OR Field LIKE 'mg_%')
MDataTable headTable = importHeader.Clone();
int ColTitleRowCount = 0;
Dictionary <string, int> formatdic = new Dictionary <string, int>();
for (int i = importHeader.Rows.Count - 1; i >= 0; i--)//MDataTable 不支持 NOT LIKE
{
if (importHeader.Rows[i]["Field"].Value.ToString().IndexOf("mg") > -1)
{
importHeader.Rows.RemoveAt(i);//非字段列移除
}
}
int colSum = importHeader.Rows.Count;//实际列数
importHeader.Rows.Sort("ORDER BY OrderNum ASC");
if (!ExportMulHeader(header, true))
{
IRow row = sheet.CreateRow(0);
ICell cell;
for (int i = 0; i < colSum; i++)
{
string title = importHeader.Rows[i]["Title"].Value.ToString();
cell = row.CreateCell(i);
cell.SetCellValue(title);//设置列头
sheet.SetColumnWidth(i, 3000);
cell.CellStyle = style;
}
}
else
{
CreateMulHeadExcel(export, headTable, out ColTitleRowCount, colSum);
ColTitleRowCount -= 1;
}
for (int i = 0; i < importHeader.Rows.Count; i++)
{
string formater = importHeader.Rows[i].Get <string>("Formatter");
if (!string.IsNullOrEmpty(formater) && formater.Length > 1 && !formatdic.ContainsKey(formater))
{
formatdic.Add(formater, i);//存储列索引
}
}
int maxRow = 50000;//限制最大行数(07之前版本的excel最大行数为65536，但NOPI似乎没有支持到最大行数,这里设置为50000行,到60000行数据有效性失效)
XSSFSheet xssfSheet = (XSSFSheet)sheet;
XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(xssfSheet);
for (int i = 0; i < importHeader.Rows.Count; i++)
{
MDataRow dtRow = importHeader.Rows[i];
string formatter = dtRow.Get <string>("Formatter");
if (formatter == "boolFormatter")
{
formatter = "#是否"; //对bool型特殊处理。
}
if (!string.IsNullOrEmpty(formatter) && formatter.StartsWith("#") && validateData != null && formatter.Length > 1) //&& validateData.ContainsKey(formatter)
{
//处理数据的有效性
CellRangeAddressList regions = null;
IDataValidationConstraint constraint = null;
IDataValidation dataValidate = null;
//int maxRow = 65535;
if (validateData.ContainsKey(formatter))
{
regions = new CellRangeAddressList(ColTitleRowCount + 1, maxRow, i, i);
string key = formatter.Split('=')[0].Replace("#", "");// "V" + (char)formatter.Length;// formatter.Replace("#", "V");
/*03版本api
* constraint = DVConstraint.CreateFormulaListConstraint(key);//);//validateData[formatter]
* dataValidate = new HSSFDataValidation(regions, constraint);
*/
constraint = dvHelper.CreateFormulaListConstraint(key);
dataValidate = dvHelper.CreateValidation(constraint, regions);
sheet.AddValidationData(dataValidate);
//regions = new CellRangeAddressList(ColTitleRowCount, maxRow, i, i);
//string key = formatter.Split('=')[0].Replace("#", "");// "V" + (char)formatter.Length;// formatter.Replace("#", "V");
//constraint = DVConstraint.CreateFormulaListConstraint(key);//);//validateData[formatter]
//dataValidate = new HSSFDataValidation(regions, constraint);
//sheet.AddValidationData(dataValidate);
}
//
if (formatter.StartsWith("#C"))//级联要接着父级后加数据有效性才行
{
string Parentformatter = formatter;
while (formatdic.ContainsKey(Parentformatter))
{
int point = 0;
int parentindex = formatdic[Parentformatter];
formatdic.Remove(Parentformatter);
foreach (var item in formatdic)
{
if (item.Key.IndexOf('=') > -1)
{
string parent = item.Key.Split('=')[1];
parent = parent.Replace(">", "#");
if (parent.Equals(Parentformatter.Split('=')[0]))
{
int selfindex = item.Value;
//int parentindex = formatdic[hereformatter];
string t = IntToMoreChar(parentindex);
for (int im = ColTitleRowCount; im < maxRow; im++)
{
string func = string.Format("@INDIRECT({0}{1})", t, im + 1);
regions = new CellRangeAddressList(im, im, selfindex, selfindex);
constraint = dvHelper.CreateFormulaListConstraint(func);
dataValidate = dvHelper.CreateValidation(constraint, regions);
sheet.AddValidationData(dataValidate);
}
//for (int im = ColTitleRowCount; im < maxRow; im++)//1000应为maxRow
//{
// string func = "INDIRECT(" + t + (im + 1) + ")";//excel2013不能级联，03可以，其他没测过
// regions = new CellRangeAddressList(ColTitleRowCount, im, selfindex, selfindex);
// constraint = DVConstraint.CreateFormulaListConstraint(func);
// dataValidate = new HSSFDataValidation(regions, constraint);
// sheet.AddValidationData(dataValidate);
//}
Parentformatter = item.Key;
break;
}
}
point += 1;
}
if (point.Equals(formatdic.Count))
{
Parentformatter = string.Empty;
}
}
}
}
}
export.Write(ms);
ms.Flush();
ms.Close();
}
catch (Exception err)
{
Log.WriteLogToTxt(err);
}
}
return(ms);
}
