提供一个使用Npoi生成excel文档的例子，应能帮助到各位使用Npoi的朋友，因为具有多种情形处理
提供一个使用Npoi生成excel文档的例子，应能帮助到各位使用Npoi的朋友，因为具有多种情形处理
照例，文章开始之前，先看下最终效果：
实现的需求点如下：
1.第一行大标题加了背景色，且这个背景色，不在常用的颜色范围中，需要自定义。同时标题的字体大小要进行变化。
2.第二行的表格信息是单独的，每一项信息对应一个单元格给它填写值。如线体，然后跟着一个单元格给它写值。
3.第三行，要实现单元格合并。且根据单元格的文字多少，自适应文档的单元格宽度范围。
4.第四行，从第4行开始，就是填充表格数据了。要注意的是跟第3行一样，要合并单元格。
5.要冻结“点检状态”的单元格位置。
6.第1行的高度要最高，第2行的高度要次之，第3行的高度再次之，第4行用excel的默认高度。
7.单元格实现黑色边框。
由于代码注释已经很详细了，所以，我就直接贴上完整代码，就不啰唆了，我知道，读者其实也不想看我放屁，你们只想要源码，而且还不想放在下载中（因为那个要积分要钱）。
那么好的，来了（NPOI用的版本是2.6.0）：
using System;
using System.Collections.Generic;
using System.IO;
using NPOI.SS.UserModel;
using NPOI.SS.Util;
using NPOI.XSSF.UserModel;
using NPOI.HSSF.Util;
using static EquipmentInspectionExcelGenerator;
using SixLabors.ImageSharp;
///
/// 用于设备点检数据的Excel生成
///
public class EquipmentInspectionExcelGenerator
{
///
/// 点检信息
///
public class InspectionInformation
{
///
/// 线体
///
public string LineBody { get; set; }
///
/// 工序名称
///
public string ProcessName { get; set; }
///
/// 设备编号
///
public string EquipmentNumber { get; set; }
///
/// 开机人员
///
public string Operator { get; set; }
///
/// 日期
///
public string Date { get; set; }
///
/// 班次
///
public string Shift { get; set; }
///
/// 点检项目数
///
public string InspectionItemCount { get; set; }
///
/// NG项目数
///
public string NGItemCount { get; set; }
}
///
/// 点检项目
///
public class InspectionData
{
///
/// 功能
///
public string Functionality { get; set; }
///
/// 生产时状态要求
///
public string ProductionStatusRequirements { get; set; }
///
/// 不符合要求设备反应计划
///
public string NoncomplianceReactionPlan { get; set; }
///
/// 点检状态
///
public string InspectionStatus { get; set; }
///
/// 判定结果
///
public string JudgmentResult { get; set; }
///
/// 点检时间
///
public string InspectionTime { get; set; }
///
/// 反应计划
///
public string ReactionPlan { get; set; }
///
/// 当班点检次数
///
public string InspectionCount { get; set; }
}
///
/// 生成excel
///
/// 存储路径
/// datas)
{
if (string.IsNullOrEmpty(filePath))
{
throw new ArgumentException("filePath is required", nameof(filePath));
}
if (information == null)
{
throw new ArgumentNullException("information is required", nameof(information));
}
if (datas == null)
{
throw new ArgumentNullException("datas is required", nameof(datas));
}
// 创建Excel工作簿
IWorkbook workbook = new XSSFWorkbook();
ISheet sheet = workbook.CreateSheet("设备功能开关点检表格");
// 设置第1行的表头，合并16列并居中显示
IRow row1 = sheet.CreateRow(0);
row1.Height = Convert.ToInt16(row1.Height * 2.5);
IFont headerFont = workbook.CreateFont();
headerFont.FontHeightInPoints = 18; // 设置字体大小
headerFont.IsBold = true; // 设置字体加粗
ICell cell1 = row1.CreateCell(0);
var headerCellStyle = CreateHeaderCellStyle(workbook);
headerCellStyle.SetFont(headerFont);
cell1.CellStyle = headerCellStyle;
cell1.SetCellValue("设备功能开关点检表格");
sheet.AddMergedRegion(new CellRangeAddress(0, 0, 0, 15));
// 设置第2行的列标题
IRow row2 = sheet.CreateRow(1);
row2.Height = Convert.ToInt16(row2.Height * 2);
IFont columnHeaderFont = workbook.CreateFont();
columnHeaderFont.IsBold = true; // 设置字体加粗
string[] columnHeaders = new string[]
{
"线体", information.LineBody, "工序名称", information.ProcessName, "设备编号", information.EquipmentNumber, "开机人员", information.Operator, "日期", information.Date, "班次", information.Shift, "点检项目数", information.InspectionItemCount, "NG项目数", information.NGItemCount
};
for (int i = 0; i < columnHeaders.Length; i++)
{
ICell cell = row2.CreateCell(i);
var columnHeaderCellStyle = CreateColumnHeaderCellStyle(workbook);
if (i % 2 == 0)
{
columnHeaderCellStyle.SetFont(columnHeaderFont);
}
cell.CellStyle = columnHeaderCellStyle;
cell.SetCellValue(columnHeaders[i]);
sheet.SetColumnWidth(i, 200 * 15); // 设置列宽自适应内容
}
// 设置第3行的列标题
IRow row3 = sheet.CreateRow(2);
row3.Height = Convert.ToInt16(row3.Height * 1.6);
string[] subColumnHeaders = new string[]
{
"序号", "功能", "", "生产时状态要求", "", "不符合要求设备反应计划", "", "点检状态", "", "判定结果", "", "点检时间", "",
"反应计划", "", "当班点检次数"
};
for (int i = 0; i < subColumnHeaders.Length; i++)
{
ICell cell = row3.CreateCell(i);
cell.CellStyle = CreateColumnHeaderCellStyle(workbook);
cell.SetCellValue(subColumnHeaders[i]);
}
// 循环设置数据
for (var i = 0; i < datas.Count; i++)
{
var data = datas[i];
IRow dataRow = sheet.CreateRow(i + 3);
dataRow.Height = Convert.ToInt16(dataRow.Height * 1.2);
string[] values = new string[]
{
(i+1).ToString(),
data.Functionality,
string.Empty,
data.ProductionStatusRequirements,
string.Empty,
data.NoncomplianceReactionPlan,
string.Empty,
data.InspectionStatus,
string.Empty,
data.JudgmentResult,
string.Empty,
data.InspectionTime,
string.Empty,
data.ReactionPlan,
string.Empty,
data.InspectionCount,
};
for (int j = 0; j < values.Length; j++)
{
ICell cell = dataRow.CreateCell(j);
cell.CellStyle = CreateCellStyle(workbook);
cell.SetCellValue(values[j]);
}
}
// 合并单元格
int rowCount = sheet.LastRowNum + 1;
for (int i = 2; i < rowCount; i++)
{
sheet.AddMergedRegion(new CellRangeAddress(i, i, 1, 2));
sheet.AddMergedRegion(new CellRangeAddress(i, i, 3, 4));
sheet.AddMergedRegion(new CellRangeAddress(i, i, 5, 6));
sheet.AddMergedRegion(new CellRangeAddress(i, i, 7, 8));
sheet.AddMergedRegion(new CellRangeAddress(i, i, 9, 10));
sheet.AddMergedRegion(new CellRangeAddress(i, i, 11, 12));
sheet.AddMergedRegion(new CellRangeAddress(i, i, 13, 14));
}
// 冻结“点检状态”列的位置
sheet.CreateFreezePane(7, 2);
// 保存Excel文件
using (FileStream fileStream = new FileStream(filePath, FileMode.Create))
{
workbook.Write(fileStream, true);
}
}
///
/// 创建表头样式
///
///
///
/// 创建列头样式
///
///
///
/// 创建单元格样式
///
///
/// 调用方式如下：
public class Example
{
///
/// 请参照这个方法的调用代码，来进行调用
///
public void 演示调用()
{
string filePath = @"C:\Users\Administrator\Desktop\excel.xlsx";
InspectionInformation information = new InspectionInformation();
information.LineBody = "JITA-003";
information.ProcessName = "侧边涂胶";
information.EquipmentNumber = "JIT02TM";
information.Operator = "Marc";
information.Date = "2023-5-29";
information.Shift = "day shift";
information.InspectionItemCount = "4";
information.NGItemCount = "28";
List datas = new List();
datas.Add(new InspectionData
{
Functionality = "前段联机",
ProductionStatusRequirements = "启用",
NoncomplianceReactionPlan = "停机",
InspectionStatus = "屏蔽",
JudgmentResult = "NG",
InspectionTime = "2023/4/21/8:34",
ReactionPlan = "停机",
InspectionCount = "2"
});
datas.Add(new InspectionData
{
Functionality = "后段联机",
ProductionStatusRequirements = "启用",
NoncomplianceReactionPlan = "停机",
InspectionStatus = "屏蔽",
JudgmentResult = "NG",
InspectionTime = "2023/4/21/8:34",
ReactionPlan = "停机",
InspectionCount = "2"
});
datas.Add(new InspectionData
{
Functionality = "上位机联机",
ProductionStatusRequirements = "启用",
NoncomplianceReactionPlan = "停机",
InspectionStatus = "屏蔽",
JudgmentResult = "NG",
InspectionTime = "2023/4/21/8:34",
ReactionPlan = "停机",
InspectionCount = "2"
});
datas.Add(new InspectionData
{
Functionality = "点胶门禁",
ProductionStatusRequirements = "启用",
NoncomplianceReactionPlan = "停机",
InspectionStatus = "屏蔽",
JudgmentResult = "NG",
InspectionTime = "2023/4/21/8:34",
ReactionPlan = "停机",
InspectionCount = "2"
});
EquipmentInspectionExcelGenerator generator = new EquipmentInspectionExcelGenerator();
generator.GenerateExcel(filePath, information, datas);
}
}
祝您用餐愉快。