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ExcelTemplateOP.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using DBUtil;
using System.Collections;
using System.Xml;
using System.Data;
using System.Reflection;
using NPOI.SS;
using NPOI.HSSF;
using NPOI;
using NPOI.HSSF.UserModel;
using System.IO;
using NPOI.SS.UserModel;
using System.Text.RegularExpressions;
using ImageCode;
namespace ExcelCtr
{
internal class ExcelTemplateOP
{
/// <summary>使用配置文件和哈希表(携带参数)初始化</summary>
/// <param name="confPath">配置文件的绝对路径,以.xml结尾如:d:\demo.xml</param>
/// <param name="ht">携带的参数</param>
public ExcelTemplateOP(string templateConfPath, Hashtable ht)
{
this.templatePath = templateConfPath.Substring(0, templateConfPath.LastIndexOf('.')) + ".xls";
ReadConf(templateConfPath);
PrepareData(ht);
}
/// <summary>初始化配置文件</summary>
/// <param name="ht">初始化配置携带的参数</param>
private void PrepareData(Hashtable ht)
{
//先将声明好的参数传进来
this.parameters.ForEach((i) =>
{
if (ht[i.name] != null)
{
i.value = ht[i.name] ?? "";
ht.Remove(i.name);
}
});
//将未声明的参数也传递进来
ht.Keys.Cast<string>().ToList<string>().ForEach((i) =>
{
this.parameters.Add(new parameter()
{
name = i,
receive = i,
type = (ht[i] ?? "").GetType().ToString(),
value = ht[i] ?? ""
});
});
//初始化idb
this.idbs.ForEach((i) =>
{
i.connstr_value = (i.connstr_conf ?? "").Trim(' ');
if (i.connstr_value.StartsWith("parameters."))
{
i.connstr_value = this.parameters
.FirstOrDefault<parameter>(ii => ii.name == i.connstr_value.Replace("parameters.", ""))
.value.ToString();
}
i.dbtype_value = (i.dbtype_conf ?? "").Trim(' ');
if (i.dbtype_value.StartsWith("parameters."))
{
i.dbtype_value = this.parameters
.FirstOrDefault<parameter>(ii => ii.name == i.dbtype_value.Replace("parameters.", ""))
.value.ToString();
}
i.value = IDBFactory.CreateIDB(i.connstr_value, i.dbtype_value);
});
//初始化计算结果表
this.caldts.ForEach((i) =>
{
//先拿到iDb
i.useidb_conf = i.useidb_conf ?? "";
if (i.useidb_conf.StartsWith("parameters."))
{
i.useidb_value = this.parameters
.FirstOrDefault<parameter>(ii => ii.name == i.useidb_conf.Replace("parameters.", ""))
.value as IDbAccess;
}
else if (i.useidb_conf.StartsWith("idbs."))
{
i.useidb_value = this.idbs
.FirstOrDefault<idb>(ii => ii.name == i.useidb_conf.Replace("idbs.", ""))
.value as IDbAccess;
}
//获取para
i.listpara.ForEach(ii =>
{
ii.name = ii.name ?? "";
if (ii.name.StartsWith("parameters."))
{
parameter p = this.parameters.Single<parameter>(
iii => iii.name == ii.name.Replace("parameters.", ""));
ii.receive = p.receive;
ii.type = p.type;
ii.value = p.value;
}
});
//进行计算
i.value = i.useidb_value
.GetDataTable(
string.Format(i.sqltmp,
i.listpara.Select<parameter, string>(ii => (ii.value ?? "").ToString()).ToArray()));
});
//初始化计算项
this.calitems.ForEach((i) =>
{
if (string.IsNullOrWhiteSpace(i.from))
{
//根据sql语句计算
#region
//1.先拿到iDb
i.useidb_conf = i.useidb_conf ?? "";
if (i.useidb_conf.StartsWith("parameters."))
{
parameter p = this.parameters
.FirstOrDefault<parameter>(ii => ii.name == i.useidb_conf.Replace("parameters.", ""));
if (p == null) throw new Exception("未找到数据库访问对象:" + i.useidb_conf);
i.useidb_value = p.value as IDbAccess;
}
else if (i.useidb_conf.StartsWith("idbs."))
{
idb p = this.idbs
.FirstOrDefault<idb>(ii => ii.name == i.useidb_conf.Replace("idbs.", ""));
if (p == null) throw new Exception("未找到数据库访问对象:" + i.useidb_conf);
i.useidb_value = p.value as IDbAccess;
}
//2.获取para
i.listpara.ForEach(ii =>
{
ii.name = ii.name ?? "";
if (ii.name.StartsWith("parameters."))
{
parameter p = this.parameters.Single<parameter>(
iii => iii.name == ii.name.Replace("parameters.", ""));
if (p == null) throw new Exception("未找到参数:" + ii.name);
ii.receive = p.receive;
ii.type = p.type;
ii.value = p.value;
}
});
//3.进行计算
i.value = i.useidb_value
.GetFirstColumnString(
string.Format(i.sqltmp,
i.listpara.Select<parameter, string>(ii => ii.value.ToString()).ToArray()));
#endregion
}
else
{
//从计算表中引用的
#region
string from = i.from.Trim();
if (!from.StartsWith("caldts."))
{
throw new Exception(string.Format("计算项\"{0}\"的from属性\"{1}\"必须以\"caldts.\"开头", i.name, i.from));
}
string[] arr = from.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
if (arr.Length < 3) throw new Exception(string.Format("计算项\"{0}\"的from属性\"{1}\"不符合规则,参照:\"caldts.JSYDYS.SJRQ\"", i.name, i.from));
caldt dt = this.caldts.FirstOrDefault<caldt>(j => j.name == arr[1]);
if (dt == null) throw new Exception(string.Format("计算项\"{0}\"的from属性\"{1}\"引用的计算表\"{2}\"未找到", i.name, i.from, arr[1]));
if (!dt.value.Columns.Contains(arr[2])) throw new Exception(string.Format("计算项\"{0}\"的from属性\"{1}\"引用的计算表\"{2}\"中未找到列\"{3}\"", i.name, i.from, arr[1], arr[2]));
DataRow[] rows = dt.value.Select();
if (!string.IsNullOrWhiteSpace(i.filter))
{
//根据filter筛选符合条件的行
rows = dt.value.Select(i.filter);
}
if (!string.IsNullOrWhiteSpace(i.fetch))
{
//根据fetch选取筛选后的行
if (!(i.fetch.Contains('[') &&
i.fetch.Contains(']') &&
i.fetch.Contains(':')))
{
throw new Exception(string.Format("计算项\"{0}\"的fetch属性\"{1}\"不符合规则,必须包含'[',']',':'三个字符,参照:\"[0:5]\",见python字符串截取语法", i.name, i.fetch));
}
List<DataRow> list = new List<DataRow>();
string[] fetcharr = i.fetch.Replace("[", "").Replace("]", "").Split(new char[] { ':' }, StringSplitOptions.None);
if (fetcharr.Length != 2)
{
throw new Exception(string.Format("计算项\"{0}\"的fetch属性\"{1}\"不符合规则,参照:\"[0:5]\",见python字符串截取语法", i.name, i.fetch));
}
if (string.IsNullOrWhiteSpace(fetcharr[0])) fetcharr[0] = "0";
if (string.IsNullOrWhiteSpace(fetcharr[1])) fetcharr[1] = rows.Length.ToString();
int start = int.Parse(fetcharr[0]);
int end = int.Parse(fetcharr[1]);
while (start < 0)
{
start += rows.Length;
}
while (end < 0)
{
end += rows.Length;
}
if (!(end < start || start > rows.Length - 1))
{
for (var k = start; k < rows.Length && k < end; k++)
{
list.Add(rows[k]);
}
}
rows = list.ToArray();
}
//根据聚合标志得到聚合后结果
if (string.IsNullOrWhiteSpace(i.aggregate))
{
i.aggregate = "str_join(,)";
}
if (i.aggregate.StartsWith("str_join"))
{
//字符串拼接
string joinstr = i.aggregate.Replace("str_join", "").Replace("(", "").Replace(")", "");
string _t = "";
for (var k = 0; k < rows.Length; k++)
{
string str = (rows[k][arr[2]] ?? "").ToString();
if (string.IsNullOrWhiteSpace(str)) continue;
if (k == 0)
{
_t += str;
}
else
{
_t += joinstr + str;
}
}
i.value = _t;
}
else if (i.aggregate == "sum")
{
//求和计算
double init = 0;
for (var k = 0; k < rows.Length; k++)
{
string str = (rows[k][arr[2]] ?? "").ToString();
double _t;
if (double.TryParse(str, out _t))
{
init += _t;
}
}
i.value = init.ToString();
}
else if (i.aggregate == "avg")
{
//不能转化为数字的不参与计算
double init = 0;
int len = 0;
for (var k = 0; k < rows.Length; k++)
{
string str = (rows[k][arr[2]] ?? "").ToString();
double _t;
if (double.TryParse(str, out _t))
{
len++;
init += _t;
}
}
i.value = (init / len).ToString();
}
else if (i.aggregate == "min")
{
//不能转化为数字的不参与计算
double init = 0;
for (var k = 0; k < rows.Length; k++)
{
string str = rows[k][arr[2]].ToString();
double _t;
if (double.TryParse(str, out _t))
{
init = init > _t ? _t : init;
}
}
i.value = init.ToString();
}
else if (i.aggregate == "max")
{
//不能转化为数字的不参与计算
double init = 0;
for (var k = 0; k < rows.Length; k++)
{
string str = rows[k][arr[2]].ToString();
double _t;
if (double.TryParse(str, out _t))
{
init = init > _t ? init : _t;
}
}
i.value = init.ToString();
}
else if (i.aggregate == "count")
{
//求数量
i.value = rows.Length.ToString();
}
#endregion
}
});
}
/// <summary>读取配置文件</summary>
/// <param name="confPath"></param>
private void ReadConf(string confPath)
{
string str = System.IO.File.ReadAllText(confPath, Encoding.UTF8);
XmlDocument doc = new XmlDocument();
doc.LoadXml(str);
XmlElement root = doc.DocumentElement;
if (root.Name != "WorkBook")
{
throw new Exception("配置文件的根节点必须是WorkBook");
}
if (string.IsNullOrEmpty(root.GetAttribute("version")))
{
throw new Exception("必须指定配置文件的版本");
}
XmlNodeList list = root.ChildNodes;
IEnumerable<XmlElement> li = list.OfType<XmlElement>();
li.ToList<XmlElement>().ForEach(i =>
{
int parameters_count = 0, idbs_count = 0, calitems_count = 0, caldts_count = 0, fastsheets_count = 0, sheets_count = 0;
if (i.Name == "parameters" && parameters_count == 0)
{
parameters_count++;
i.ChildNodes
.OfType<XmlElement>()
.Where<XmlElement>(ii => ii.Name == "parameter")
.ToList<XmlElement>()
.ForEach((iii) =>
{
this.parameters.Add(new parameter()
{
name = iii.GetAttribute("name"),
receive = iii.GetAttribute("receive"),
type = iii.GetAttribute("type")
});
});
}
if (i.Name == "idbs" && idbs_count == 0)
{
idbs_count++;
i.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(ii => ii.Name == "idb")
.ToList<XmlElement>()
.ForEach((iii) =>
{
idb idb = new idb();
idb.name = iii.GetAttribute("name");
idb.connstr_conf = iii.ChildNodes
.OfType<XmlElement>()
.FirstOrDefault<XmlElement>(iiii => iiii.Name == "connstr")
.GetAttribute("value");
idb.dbtype_conf = iii.ChildNodes
.OfType<XmlElement>()
.FirstOrDefault<XmlElement>(iiii => iiii.Name == "dbtype")
.GetAttribute("value");
this.idbs.Add(idb);
});
}
if (i.Name == "calitems" && calitems_count == 0)
{
calitems_count++;
i.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(ii => ii.Name == "calitem")
.ToList<XmlElement>()
.ForEach((iii) =>
{
calitem cal = new calitem();
this.calitems.Add(cal);
cal.name = iii.GetAttribute("name");
if (iii.HasAttribute("from"))
{
//该计算项是从计算表中引入的值
cal.from = iii.GetAttribute("from");
cal.fetch = iii.GetAttribute("fetch");
cal.filter = iii.GetAttribute("filter");
cal.aggregate = iii.GetAttribute("aggregate");
}
else
{
//该计算项是根据sql语句计算得来的
iii.ChildNodes.OfType<XmlElement>()
.ToList<XmlElement>()
.ForEach((iiii) =>
{
if (iiii.Name == "sqltmp" && string.IsNullOrEmpty(cal.sqltmp))
{
cal.sqltmp = iiii.InnerText.Trim(' ', '\t', '\r', '\n');
}
if (iiii.Name == "useidb" && string.IsNullOrEmpty(cal.useidb_conf))
{
cal.useidb_conf = iiii.GetAttribute("value");
}
if (iiii.Name == "usepara")
{
parameter p = this.parameters.FirstOrDefault<parameter>(para => para.name == iiii.GetAttribute("value").Replace("parameters.", ""));
if (p == null) throw new Exception("未找到参数:" + iiii.GetAttribute("value"));
cal.listpara.Add(p);
}
});
}
});
}
if (i.Name == "caldts" && caldts_count == 0)
{
caldts_count++;
i.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(ii => ii.Name == "caldt")
.ToList<XmlElement>()
.ForEach((iii) =>
{
caldt cal = new caldt();
this.caldts.Add(cal);
cal.name = iii.GetAttribute("name");
iii.ChildNodes.OfType<XmlElement>()
.ToList<XmlElement>()
.ForEach((iiii) =>
{
if (iiii.Name == "sqltmp" && string.IsNullOrEmpty(cal.sqltmp))
{
cal.sqltmp = iiii.InnerText.Trim(' ', '\t', '\r', '\n');
}
if (iiii.Name == "useidb" && string.IsNullOrEmpty(cal.useidb_conf))
{
cal.useidb_conf = iiii.GetAttribute("value");
}
if (iiii.Name == "usepara")
{
parameter p = this.parameters.FirstOrDefault<parameter>(para => para.name == iiii.GetAttribute("value").Replace("parameters.", ""));
if (p == null) throw new Exception("未找到参数:" + iiii.GetAttribute("value"));
cal.listpara.Add(p);
}
});
});
}
if (i.Name == "fastsheets" && fastsheets_count == 0)
{
fastsheets_count++;
this.fastsheets = i;
}
if (i.Name == "sheets" && sheets_count == 0)
{
sheets_count++;
this.sheets = i;
}
});
}
/// <summary>将结果写入excel文件</summary>
/// <param name="filePath"></param>
public void Write(string destfilepath)
{
if (sheets == null && fastsheets == null) throw new Exception("模板文件【" + templatePath.Substring(0, templatePath.LastIndexOf('.')) + ".xml" + "】缺少sheets节点或fastsheets节点");
if (fastsheets != null)
{
#region 优先解析fastsheets
string useds = fastsheets.GetAttribute("useds");
DataSet ds = null;
List<string> SheetHeaders = new List<string>();
List<string> combineColIndexs = new List<string>();
#region 首先装载dataset
if (!string.IsNullOrWhiteSpace(useds))
{
//如果fastsheets使用了useds属性,就是用useds属性装载dataset
useds = useds.Trim(' ');
if (!useds.StartsWith("parameters.")) throw new Exception("模板文件【" + templatePath.Substring(0, templatePath.LastIndexOf('.')) + ".xml" + "】fastsheets节点的useds属性应该以\"parameters.\"开头");
ds = this.parameters.FirstOrDefault<parameter>(i => i.name == useds.Replace("parameters.", "")).value as DataSet;
if (ds == null) throw new Exception("未找到参数" + useds);
}
else
{
//如果fastsheets没使用useds属性,就用fastsheet节点装载dataset
ds = new DataSet();
fastsheets.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "fastsheet")
.ToList<XmlElement>()
.ForEach(i =>
{
string usedt = i.GetAttribute("usedt");
usedt = (usedt ?? "").Trim(' ');
string name = i.GetAttribute("name");
name = (name ?? "").Trim(' ');
if (string.IsNullOrWhiteSpace(usedt)) throw new Exception("模板文件【" + templatePath.Substring(0, templatePath.LastIndexOf('.')) + ".xml" + "】fastsheets节点下的fastsheet节点缺少usedt属性");
DataTable dt = null;
if (usedt.StartsWith("parameters."))
{
usedt = usedt.Replace("parameters.", "");
dt = (this.parameters.FirstOrDefault<parameter>(ii => ii.name == usedt) ?? new parameter()).value as DataTable;
if (dt == null) throw new Exception("未找到表:parameters." + usedt);
}
else if (usedt.StartsWith("caldts."))
{
usedt = usedt.Replace("caldts.", "");
dt = (this.caldts.FirstOrDefault<caldt>(ii => ii.name == usedt) ?? new caldt()).value as DataTable;
if (dt == null) throw new Exception("未找到表:caldts." + usedt);
}
if (name != "")
{
dt.TableName = name;
}
ds.Tables.Add(dt);
});
}
#endregion
#region 装载SheetHeaders和combineColIndexs
fastsheets.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "fastsheet")
.ToList<XmlElement>()
.ForEach(i =>
{
string title = "";
string colindex = "";
i.ChildNodes.OfType<XmlElement>()
.ToList<XmlElement>()
.ForEach(ii =>
{
if (ii.Name == "title")
{
if (!string.IsNullOrWhiteSpace(ii.GetAttribute("value")))
{
title = ii.GetAttribute("value");
}
}
else if (ii.Name == "combineColIndexs")
{
if (!string.IsNullOrWhiteSpace(ii.GetAttribute("value")))
{
string[] arrtmp = ii.GetAttribute("value").Trim(' ').Split(',');
for (int j = 0; j < arrtmp.Length; j++)
{
colindex += GetColIndex(arrtmp[j]).ToString() + ",";
}
colindex = colindex.Trim(',');
}
}
});
SheetHeaders.Add(title);
combineColIndexs.Add(colindex);
});
#endregion
//输出
FileStream fs = new FileStream(destfilepath, FileMode.Create);
MemoryStream stream = ExcelHelper.ExportDS(ds, SheetHeaders, combineColIndexs);
byte[] bs = stream.ToArray();
fs.Write(bs, 0, bs.Length);
fs.Flush();
fs.Close();
#endregion
}
else if (sheets != null)
{
#region 不存在fastsheets节点的情况下解析sheets节点
FileStream file = new FileStream(this.templatePath, FileMode.Open, FileAccess.Read);
HSSFWorkbook book = new HSSFWorkbook(file);
//解析sheets
sheets.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "sheet")
.ToList<XmlElement>()
.ForEach(sheet =>
{
ISheet isheet = book.GetSheet(sheet.GetAttribute("name"));
if (isheet == null) throw new Exception("模板excel【" + this.templatePath + "】中找不到sheet:" + sheet.GetAttribute("name"));
XmlElement rowmass = sheet.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "rowmass")
.FirstOrDefault<XmlElement>();
if (rowmass != null)
{
int currentrow = 0;
rowmass.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "row")
.ToList<XmlElement>()
.ForEach(row =>
{
//拿到row节点下的model、position、index属性
string model = row.GetAttribute("model");
model = (model ?? "").Trim(' ');
string position = row.GetAttribute("position");
position = (position ?? "").Trim(' ');
string index = row.GetAttribute("index");
index = (index ?? "").Trim(' ');
if (string.IsNullOrWhiteSpace(model)
|| string.IsNullOrWhiteSpace(position)
|| string.IsNullOrWhiteSpace(index)
)
{
throw new Exception("标签row的属性model,position,index都不能为空");
}
//根据定位属性计算出当前应该操作的行索引
if (position == "absolute")
{
currentrow = int.Parse(index) - 1;
}
else if (position == "relative")
{
currentrow += int.Parse(index);
}
if (model == "single")
{
#region 单行操作,不涉及到循环行
row.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "coltmp")
.ToList<XmlElement>()
.ForEach(col =>
{
string colindex = col.GetAttribute("index");
string colcelltype = col.GetAttribute("celltype");
colindex = (colindex ?? "").Trim(' ');
if (string.IsNullOrWhiteSpace(colindex)) throw new Exception("coltmp标签的index属性不能为空!");
string colval = col.GetAttribute("value") ?? "";
string celltype = col.GetAttribute("type") ?? "";
//colval = colval.Trim(' ');
if (colval == "")
{
colval = isheet.GetRow(currentrow).GetCell(GetColIndex(colindex), MissingCellPolicy.CREATE_NULL_AS_BLANK).StringCellValue ?? "";
}
//colval = colval.Trim(' ');
if (colval != "")
{
string res = ParseVal(colval);
if (celltype.ToLower() == "number")
{
double res_double;
if (double.TryParse(res, out res_double))
{
isheet.GetRow(currentrow).GetCell(GetColIndex(colindex), MissingCellPolicy.CREATE_NULL_AS_BLANK).SetCellValue(res_double);
}
}
else
{
ICell cell = isheet.GetRow(currentrow).GetCell(GetColIndex(colindex), MissingCellPolicy.CREATE_NULL_AS_BLANK);
ICellStyle cellStyle = cell.CellStyle;
if (cellStyle == null)
{
cellStyle = book.CreateCellStyle();
cell.CellStyle = cellStyle;
}
cellStyle.WrapText = true;
res = res.Replace("\\r", "\r")
.Replace("\\n", "\n")
.Replace("\\t", "\t");
cell.SetCellValue(new HSSFRichTextString(res));
}
}
});
#endregion
}
else if (model == "cycle")
{
#region 循环行操作
string binddt = row.GetAttribute("binddt");
binddt = (binddt ?? "").Trim(' ');
DataTable curdt = null;//存储当前行绑定到的DataTable
#region 首先从caldts和parameters中解析出指定的DataTable
if (binddt.StartsWith("caldts."))
{
string binddt_tmp = binddt.Replace("caldts.", "");
caldt ctmp = this.caldts.Where<caldt>(i => i.name == binddt_tmp).FirstOrDefault<caldt>();
if (ctmp == null) throw new Exception("循环行导出中未找到计算表项:" + binddt);
curdt = ctmp.value;
}
else if (binddt.StartsWith("parameters."))
{
string binddt_tmp = binddt.Replace("parameters.", "");
parameter para = this.parameters.Where<parameter>(i => i.name == binddt_tmp).FirstOrDefault<parameter>();
if (para == null) throw new Exception("循环行导出中未找到参数项:" + binddt);
if (para.value != null && para.value is DataTable)
{
curdt = para.value as DataTable;
}
else if (para.value is IList)
{
IList li = para.value as IList;
Type type = para.value.GetType();
Type[] tys = type.GetGenericArguments();
if (tys.Length == 0) throw new Exception("从集合构建表过程中找不到类型参数,请检查要输出的集合数据！");
Type inner = tys[0];
PropertyInfo[] props = inner.GetProperties();
DataTable dt = new DataTable();
for (int i = 0; i < props.Length; i++)
{
dt.Columns.Add(props[i].Name);
}
for (int j = 0; j < li.Count; j++)
{
DataRow row_tmp = dt.NewRow();
for (int jj = 0; jj < props.Length; jj++)
{
row_tmp[dt.Columns[jj].ColumnName] = (props[jj].GetValue(li[j], null) ?? "").ToString();
}
dt.Rows.Add(row_tmp);
}
curdt = dt;
}
else
{
throw new Exception("无法根据参数加载参数项:" + binddt);
}
}
#endregion
if (curdt.Rows.Count == 0)
{
//如果绑定的DataTable中的记录数为0那就删除模板行
if (isheet.LastRowNum >= currentrow + 1)
{
isheet.ShiftRows(currentrow + 1, isheet.LastRowNum, -1, true, false);
}
else
{
isheet.RemoveRow(isheet.GetRow(currentrow));
}
currentrow--;
}
else
{
List<string[]> coltmps = new List<string[]>();//存储模板列的配置参数,格式:0-索引,1-模板配置值,2-模板合并控制键
#region 首先装载模板列的配置参数
row.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "coltmp")
.ToList<XmlElement>()
.ForEach(coltmp =>
{
string coltmp_index = coltmp.GetAttribute("index") ?? "";
string coltmp_value = coltmp.GetAttribute("value") ?? "";
string coltmp_merge = coltmp.GetAttribute("mergekey") ?? "";
string coltmp_celltype = coltmp.GetAttribute("celltype") ?? "";
//模板列索引不能为空
if (coltmp_index == "")
{
throw new Exception("循环行的列模板coltmp标签的属性index不能为空.");
}
//模板列的引用,配置里找不到就去excel对应单元格中去找
if (coltmp_value == "")
{
coltmp_value = isheet.GetRow(currentrow).GetCell(GetColIndex(coltmp_index), MissingCellPolicy.CREATE_NULL_AS_BLANK).StringCellValue ?? "";
}
//模板引用不为空的话就添加存储
if (coltmp_value != "")
{
coltmps.Add(new string[] { coltmp_index, coltmp_value, coltmp_merge, coltmp_celltype });
}
});
#endregion
int cyclestartrow_index = currentrow;//存储循环行的起始行索引
//根据模板行和记录数插入缺少的行
ExcelHelper.InsertRow(isheet, currentrow + 1, curdt.Rows.Count - 1, currentrow);
for (int i = 0; i < curdt.Rows.Count; i++)
{
//解析当前行
coltmps.ForEach(arr =>
{
string[] res = ParseCycleVal(arr, curdt, i);
//输出列格式支持数字类型 2018-3-30
ICell cell = isheet.GetRow(currentrow).GetCell(GetColIndex(arr[0]), MissingCellPolicy.CREATE_NULL_AS_BLANK);
if (arr[3] == "number")
{
double d_t;
if (double.TryParse(res[0], out d_t))
{
cell.SetCellValue(d_t);
}
}
else
{
ICellStyle cellStyle = cell.CellStyle;
if (cellStyle == null)
{
cell.CellStyle = cellStyle;
cellStyle = book.CreateCellStyle();
}
cellStyle.WrapText = true;
res[0] = res[0].Replace("\\r", "\r")
.Replace("\\n", "\n")
.Replace("\\t", "\t");
cell.SetCellValue(new HSSFRichTextString(res[0]));
}
//如果存在控制合并键值,就进行预合并处理
if (arr[2] != "")
{
//将合并控制键对应的值填充进当前数据表中
if (!curdt.Columns.Contains(arr[2]))
{
curdt.Columns.Add(new DataColumn(arr[2]));
}
curdt.Rows[i][arr[2]] = res[1];
}
});
//当前行+1
currentrow++;
}
//回到循环行的最后一行
currentrow--;
#region 纵向合并单元格
coltmps.Where<string[]>(arr => arr[2] != "").ToList<string[]>()
.ForEach(arr =>
{
if (curdt.Rows.Count > 1)//数据记录数大于1时才进行合并
{
int curindex = cyclestartrow_index;//拿到循环行的起始行索引
//string val = (ExcelHelper.GetCellValue(isheet.GetRow(curindex).GetCell(GetColIndex(arr[0]))) ?? "").ToString();
string val = curdt.Rows[0][arr[2]].ToString();//拿到合并控制键对应的数据值
for (int i = 1; i < curdt.Rows.Count; i++)
{
//string realval = (ExcelHelper.GetCellValue(isheet.GetRow(cyclestartrow_index + i).GetCell(GetColIndex(arr[0]))) ?? "").ToString();
string realval = curdt.Rows[i][arr[2]].ToString();//拿到当前行合并控制键对应的数据值
if (realval == val)
{
//匹配成功
if (i == curdt.Rows.Count - 1)
{
//最后一行一定要参与合并
isheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(curindex, cyclestartrow_index + i, GetColIndex(arr[0]), GetColIndex(arr[0])));
}
}
else
{
//匹配未成功
//如果之前处在匹配成功的状态里,那么进行合并操作
isheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(curindex, cyclestartrow_index + i - 1, GetColIndex(arr[0]), GetColIndex(arr[0])));
val = realval;
curindex = cyclestartrow_index + i;
}
}
}
});
#endregion
}
#endregion
}
});
}
#region 解析图片
sheet.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "pic")
.ToList<XmlElement>()
.ForEach(pic =>
{
XmlElement from = pic.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "from")
.FirstOrDefault<XmlElement>();
if (from == null) throw new Exception("pic节点下找不到from节点");
string frommodel = (from.GetAttribute("model") ?? "").ToString().Trim(' ');
if (frommodel == "") throw new Exception("pic节点下的from节点的model属性不能为空");
byte[] bytes;
string fromvalue = (from.GetAttribute("value") ?? "").ToString().Trim(' ');
string res = "";
int index_c = 0;
Regex reg = new Regex(@"#(parameters|calitems)\.([^#]+)#");
Match mat = reg.Match(fromvalue);
string type = "";
string ext = "";
if (mat.Success)
{
res += fromvalue.Substring(index_c, mat.Index - index_c);
index_c = mat.Index + mat.Length;
type = mat.Groups[1].Value;
ext = mat.Groups[2].Value;
if (type == "parameters")
{
parameter p = this.parameters.Where<parameter>(i => i.name == ext).FirstOrDefault<parameter>();
if (p == null) throw new Exception("找不到参数:" + mat.Groups[0].Value);
res += p.value.ToString();
}
else if (type == "calitems")
{
calitem cp = this.calitems.Where<calitem>(i => i.name == ext).FirstOrDefault<calitem>();
if (cp == null) throw new Exception("找不到计算项:" + mat.Groups[0].Value);
res += cp.value.ToString();
}
}
while ((mat = mat.NextMatch()).Success)
{
res += fromvalue.Substring(index_c, mat.Index - index_c);
index_c = mat.Index + mat.Length;
type = mat.Groups[1].Value;
ext = mat.Groups[2].Value;
if (type == "parameters")
{
parameter p = this.parameters.Where<parameter>(i => i.name == ext).FirstOrDefault<parameter>();
if (p == null) throw new Exception("找不到参数:" + mat.Groups[0].Value);
res += p.value.ToString();
}
else if (type == "calitems")
{
calitem cp = this.calitems.Where<calitem>(i => i.name == ext).FirstOrDefault<calitem>();
if (cp == null) throw new Exception("找不到计算项:" + mat.Groups[0].Value);
res += cp.value.ToString();
}
}
res += fromvalue.Substring(index_c, fromvalue.Length - index_c);
if (frommodel == "QRCode")
{
string qrsize = (from.GetAttribute("QRSize") ?? "").Trim(' ');
int size = 100;
if (qrsize != "") size = int.Parse(qrsize);
//解析二维码
string filepath = Guid.NewGuid().ToString().Replace("-", "") + ".png";
QRCodeOP.Encode(res, size, filepath, -1);
bytes = File.ReadAllBytes(filepath);
File.Delete(filepath);
XmlElement stretch = pic.ChildNodes.OfType<XmlElement>()
.Where<XmlElement>(i => i.Name == "stretch")
.FirstOrDefault<XmlElement>();
if (stretch == null) throw new Exception("pic节点下的必须存在stretch节点");
XmlElement start = stretch.ChildNodes.OfType<XmlElement>().Where<XmlElement>(i => i.Name == "start")
.FirstOrDefault<XmlElement>();
if (start == null) throw new Exception("stretch节点下必须存在start节点");
int col = GetColIndex(start.GetAttribute("col"));
int row = int.Parse(start.GetAttribute("row")) - 1;
int offx = int.Parse(start.GetAttribute("offx"));
int offy = int.Parse(start.GetAttribute("offy"));
//将图片数据装载到book中
int picindex = book.AddPicture(bytes, PictureType.PNG);
HSSFPatriarch patriarch = (HSSFPatriarch)isheet.CreateDrawingPatriarch();
HSSFClientAnchor anchor = new HSSFClientAnchor(offx, offy, 0, 0, col, row, col, row);
HSSFPicture pict = (HSSFPicture)patriarch.CreatePicture(anchor, picindex);
pict.Resize();//设置图片按照原来的大小计算
}
else
{
throw new Exception("仅支持二维码图片的插入,请将from节点的model配置项设置为QRCode");
}
});
#endregion
});
//注意下面保存的写法,很重要,被坑了。。。
FileStream sw = File.Create(destfilepath);
book.Write(sw);
sw.Close();
#endregion
}
}
/// <summary>解析值coltmp和pic\from的属性value的实际值
/// </summary>
/// <param name="colval">如:qwe#parameters.caseno#hjk</param>
/// <returns></returns>
private string ParseVal(string colval)
{
string res = "";
int index_c = 0;
Regex reg = new Regex(@"#(parameters|calitems)\.([^#]+)#");
Match mat = reg.Match(colval);
string type = "";
string ext = "";
if (mat.Success)
{
res += colval.Substring(index_c, mat.Index - index_c);
index_c = mat.Index + mat.Length;
type = mat.Groups[1].Value;
ext = mat.Groups[2].Value;
if (type == "parameters")
{
parameter p = this.parameters.Where<parameter>(i => i.name == ext).FirstOrDefault<parameter>();
if (p == null) throw new Exception("找不到参数:" + mat.Groups[0].Value);
res += p.value.ToString();
}
else if (type == "calitems")
{
calitem cp = this.calitems.Where<calitem>(i => i.name == ext).FirstOrDefault<calitem>();
if (cp == null) throw new Exception("找不到计算项:" + mat.Groups[0].Value);
res += cp.value.ToString();
}
}
while ((mat = mat.NextMatch()).Success)
{
res += colval.Substring(index_c, mat.Index - index_c);