个人重点关注的是生成曲线图的部分，浪费了我很多时间
chart.Legend.Position = LegendPosition.Top;
控制图形的显示位置，这个地方好像必须要选一个位置，否则会内容显示不全，我开始用的LegendPosition.None，他就显示不了那几条线的颜色和名称说明文字。为了搞出这个效果浪费了我一天时间。
xAxis.Hidden = true;//隐藏x轴标签
public class ExpReport
{
//IWebHostEnvironment _webHostEnvironment;
//public ExpReport(IWebHostEnvironment webHostEnvironment)
//{
// _webHostEnvironment = webHostEnvironment;
//}
public static string ReportChartPdf(List<TahmCJ_wdDto> Listdto, ExpReportDto ReportDto)
{
try
{
IConfiguration myconfiguration = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json").Build();
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
builder.PageSetup.Orientation = Orientation.Portrait;
//var parentPath = AppContext.BaseDirectory.ToString()+@"\wwwroot\";
var parentPath = Path.Combine(IOCProvider.GetService<IHostEnvironment>().ContentRootPath,"wwwroot");
//
string strReportFileUrl = myconfiguration["Report:ReportFileUrl"].ToString();
string dateDir = DateTime.Now.Date.ToString("yyyyMMdd");
string saveFileStr = "温湿度曲线报表_" + DateTime.Now.Date.ToString("yyyyMMddHHmmss") + new Random().Next(1, 1000).ToString() + ".docx";
// 你用path
string strSavePath = Path.Combine(parentPath, strReportFileUrl, dateDir);
FolderAndFile.FolderCreate(strSavePath);
strSavePath = Path.Combine(strSavePath, saveFileStr);
string strCompanyLogo = myconfiguration["Report:CompanyLogo"].ToString();
string Logpicurl = Path.Combine(parentPath, strCompanyLogo);
string ComLogoWidth = myconfiguration["Report:CompanyLogoWidth"].ToString();
string ComLogoHeight = myconfiguration["Report:CompanyLogoHeight"].ToString();
//Logpicurl = FolderAndFile.SetImageSize(float.Parse(ComLogoWidth), float.Parse(ComLogoHeight), Logpicurl, "");
string RepImageWidth = myconfiguration["Report:ReportImageWidth"].ToString();
string RepImageHeight = myconfiguration["Report:ReportImageHeight"].ToString();
ReportDto.LogoPicUrl = Logpicurl;
ReportDto.aveWD = Math.Round((decimal)Listdto.Average(x => x.wd1), 1).ToString("0.0");
ReportDto.aveSD = Math.Round((decimal)Listdto.Average(x => x.sd1), 1).ToString("0.0");
ReportDto.highWD = Listdto.Max(x => (decimal)x.wd1).ToString("0.0");
ReportDto.highSD = Listdto.Max(x => (decimal)x.sd1).ToString("0.0");
ReportDto.lowWD = Listdto.Min(x => (decimal)x.wd1).ToString("0.0");
ReportDto.lowSD = Listdto.Min(x => (decimal)x.sd1).ToString("0.0");
ReportDto.WDLimit = ((decimal)Listdto[0].wdlowLimit).ToString("0.0") + "--" + ((decimal)Listdto[0].wdHghLimit).ToString("0.0");
ReportDto.SDLimit = ((decimal)Listdto[0].sdLowLimit).ToString("0.0") + "--" + ((decimal)Listdto[0].sdHghLimit).ToString("0.0");
var alarmList = Listdto.Select(x => new { x.wd1, x.sd1, x.dt }).Where(x => x.wd1 < ((decimal)Listdto[0].wdlowLimit) || x.wd1 > ((decimal)Listdto[0].wdHghLimit) || x.sd1 < ((decimal)Listdto[0].sdLowLimit) || x.sd1 > ((decimal)Listdto[0].sdHghLimit));
ReportDto.alarmCount = alarmList.Count().ToString();
var alarmArry = alarmList.Take(20).Select(x => new { x.wd1, x.dt }.ToString()).ToArray();
alarmArry = (from a in alarmList
select "温度：" + a.wd1 + " 湿度：" + a.sd1 + " 时间：" + a.dt.ToString("yyyy-MM-dd HH:mm:ss") + "").Take(20).ToArray();
ReportDto.alarmData = string.Join(" ， ", alarmArry);
builder.InsertImage(Logpicurl, RelativeHorizontalPosition.Margin, 1, RelativeVerticalPosition.Margin, 1, double.Parse(ComLogoWidth), double.Parse(ComLogoHeight), WrapType.Square);
for (int i = 0; i < 10; i++)
{
builder.InsertBreak(BreakType.LineBreak);
}
for (int i = 0; i < 3; i++)
{
builder.InsertBreak(BreakType.LineBreak);
}
ParagraphFormat paragraphFormat = builder.ParagraphFormat;
paragraphFormat.Alignment = ParagraphAlignment.Center;
builder.Font.Size = 18;
builder.Font.Name = "Arial";
builder.Font.Bold = false;
//paragraphFormat.FirstLineIndent = 8;
//paragraphFormat.Alignment = ParagraphAlignment.Center;
//paragraphFormat.KeepTogether = true;
//builder.Writeln($"时间区间：{ReportDto.StartTime} 到 {ReportDto.EndTime}");
builder.CellFormat.ClearFormatting();
for (int i = 0; i < 5; i++)
{
builder.InsertBreak(BreakType.LineBreak);
}
builder.Font.Size = 35;
builder.Font.Bold = true;
builder.Writeln("温湿度报表");
builder.Font.Size = 20;
builder.Font.Bold = false;
builder.Writeln($"报告人：{ReportDto.ReportMan} 制表人：{ReportDto.CreateManBottom}");
builder.Writeln($"时间：{ReportDto.ReportTime}");
builder.InsertBreak(BreakType.SectionBreakNewPage);
builder.PageSetup.Orientation = Orientation.Landscape;
builder.StartTable();
builder.CellFormat.ClearFormatting();
builder.ParagraphFormat.Alignment = ParagraphAlignment.Left;
builder.CellFormat.Width = builder.PageSetup.PageWidth - 140;
builder.Font.Size = 15;
builder.Font.Name = "Arial";
builder.Font.Bold = true;
builder.InsertCell();
builder.ParagraphFormat.Alignment = ParagraphAlignment.Left;
builder.Write($"{ReportDto.eqno}--温湿度\r\n");
builder.EndRow();
builder.InsertCell();
builder.ParagraphFormat.Alignment = ParagraphAlignment.Left;
builder.Font.Size = 15;
builder.Font.Name = "Arial";
builder.Font.Bold = true;
builder.Writeln("监测对象描述");
builder.Write("\r\n");
builder.Font.Name = "宋体";
builder.Font.Bold = false;
builder.Writeln($"\t监测对象名称：{ReportDto.Testname}");
builder.Write("\r\n");
builder.Writeln($"\t监测条件：{ReportDto.Condition}");
builder.Write("\r\n");
builder.Writeln($"\t监测对象类型：{ReportDto.Testboxtype}");
builder.Write("\r\n");
builder.Writeln($"\t监测对象编号：{ReportDto.Testboxno}");
builder.Write("\r\n");
builder.Writeln($"\t监测对象批号：{ReportDto.Pihao}");
builder.Write("\r\n");
//builder.EndRow();
//builder.InsertCell();
builder.Font.Name = "Arial";
builder.Font.Bold = true;
builder.Writeln("各项统计");
builder.Write("\r\n");
builder.Font.Name = "宋体";
builder.Font.Bold = false;
builder.Writeln($"\t平均温度：{ReportDto.aveWD} 最高温度：{ReportDto.highWD} 最低温度：{ReportDto.lowWD} 设定门限：{ReportDto.WDLimit}");
builder.Write("\r\n");
builder.Writeln($"\t平均湿度：{ReportDto.aveSD} 最高湿度：{ReportDto.highSD} 最低湿度：{ReportDto.lowSD} 设定门限：{ReportDto.SDLimit}");
builder.Write("\r\n");
builder.Writeln($"\t温度告警总数：{ReportDto.alarmCount}");
builder.Write("\r\n");
builder.Write("\r\n");
builder.EndRow();
builder.InsertCell();
paragraphFormat = builder.ParagraphFormat;
paragraphFormat.Alignment = ParagraphAlignment.Center;//居中
builder.Font.Size = 15;
builder.Font.Name = "Arial";
builder.Font.Bold = true;
builder.Writeln($"\t时间区间：{ReportDto.StartTime} 到 {ReportDto.EndTime}");
builder.Write("\r\n");
//builder.Writeln("温度曲线图(横轴：时间；纵轴：温度、湿度)");
Shape shape = builder.InsertChart(ChartType.Line, double.Parse(RepImageWidth) + 80, double.Parse(RepImageHeight)+100);
shape.FillColor = Color.Transparent;//背景透明
var chart = shape.Chart;
chart.Title.Text = "温湿度曲线图(横轴：时间；纵轴：温度、湿度)";
chart.Title.Show = true;
chart.Series.Clear();
chart.Legend.Position = LegendPosition.Top;
var dataTimeList = Listdto.Select(x => x.dt.ToString("yyyy-MM-dd HH:mm:ss")).ToList();
var dataList = Listdto.Select(x => Convert.ToDouble(x.wd1)).ToList();
var dataListwdlowlimit = Listdto.Select(x => Convert.ToDouble(x.wdlowLimit)).ToList();
var dataListwdhghlimit = Listdto.Select(x => Convert.ToDouble(x.wdHghLimit)).ToList();
var series_wd = chart.Series.Add("温度",
dataTimeList.ToArray(),
dataList.ToArray());
//series_wd.Name = "温度";
series_wd.Marker.Symbol = MarkerSymbol.Circle;
series_wd.Marker.Size = 3;
//series_wd. = "";
//series = chart.Series.Add("wd1",
// dataTimeList.ToArray(),
// dataList.ToArray());
var series_wdlow = chart.Series.Add("温度下限",
dataTimeList.ToArray(),
dataListwdlowlimit.ToArray());
//series_wdlow.Name = "温度下限";
series_wdlow.Marker.Symbol = MarkerSymbol.Circle;
series_wdlow.Marker.Size = 2;
var series_wdhgh = chart.Series.Add("温度上限",
dataTimeList.ToArray(),
dataListwdhghlimit.ToArray());
//series_wdhgh.Name = "温度上限";
series_wdhgh.Marker.Symbol = MarkerSymbol.Circle;
series_wdhgh.Marker.Size =2;
//dataTimeList = Listdto.Select(x => x.dt.ToString("yyyy-MM-dd HH:mm:ss")).ToList();
dataList = Listdto.Select(x => Convert.ToDouble(x.sd1)).ToList();
var dataListsdlowlimit = Listdto.Select(x => Convert.ToDouble(x.sdLowLimit)).ToList();
var dataListsdhghlimit = Listdto.Select(x => Convert.ToDouble(x.sdHghLimit)).ToList();
var series_sd = chart.Series.Add("sd1",
dataTimeList.ToArray(),
dataList.ToArray());
series_sd.Name = "湿度";
series_sd.Marker.Symbol = MarkerSymbol.Circle;
series_sd.Marker.Size = 3;
var series_sdlow=chart.Series.Add("sdlowlimit",
dataTimeList.ToArray(),
dataListsdlowlimit.ToArray());
series_sdlow.Name = "湿度下限";
series_sdlow.Marker.Symbol = MarkerSymbol.Circle;
series_sdlow.Marker.Size = 2;
var series_sdhgh = chart.Series.Add("sdhghlimit",
dataTimeList.ToArray(),
dataListsdhghlimit.ToArray());
series_sdhgh.Name = "湿度上限";
series_sdhgh.Marker.Symbol= MarkerSymbol.Circle;
series_sdhgh.Marker.Size = 2;
ChartDataPointCollection dataPoints = series.DataPoints;
默认给每个数据点样式
series.InvertIfNegative = true;
//chart.Series[0].Marker.Symbol = MarkerSymbol.Circle;
//chart.Series[0].Marker.Size = 5;
//chart.Series[0].Name = "温度曲线图";
ChartAxis xAxis = chart.AxisX;
xAxis.TickLabelSpacingIsAuto = true;
xAxis.Hidden = true;//隐藏x轴标签
ChartAxis yAxis = chart.AxisY;
yAxis.TickLabelPosition = AxisTickLabelPosition.NextToAxis;//坐标轴位置
paragraphFormat = builder.ParagraphFormat;
paragraphFormat.Alignment = ParagraphAlignment.Center;//居中
builder.Font.Size = 12;
builder.Font.Name = "Arial";
builder.Font.Bold = true;
builder.Font.Color = Color.Red;
builder.Writeln("本图形时间顺序是从左到右");
builder.EndRow();
//builder.InsertCell();
//paragraphFormat = builder.ParagraphFormat;
//paragraphFormat.Alignment = ParagraphAlignment.Center;//居中
//builder.Font.ClearFormatting();
//builder.Font.Size = 15;
//builder.Font.Name = "Arial";
//builder.Font.Bold = true;
//builder.Writeln("绘制湿度曲线(横轴：时间；纵轴：湿度)");
//shape = builder.InsertChart(ChartType.Line, double.Parse(RepImageWidth) + 80, double.Parse(RepImageHeight));
//chart = shape.Chart;
//shape.FillColor = Color.Transparent;
//chart.Title.Text = "绘制湿度曲线(横轴：时间；纵轴：湿度)";
//chart.Title.Show = false;
//chart.Series.Clear();
//chart.Legend.Position = LegendPosition.None;
//dataTimeList = Listdto.Select(x => x.dt.ToString("yyyy-MM-dd HH:mm:ss")).ToList();
//dataList = Listdto.Select(x => Convert.ToDouble(x.sd1)).ToList();
//var dataListsdlowlimit = Listdto.Select(x => Convert.ToDouble(x.sdLowLimit)).ToList();
//var dataListsdhghlimit = Listdto.Select(x => Convert.ToDouble(x.sdHghLimit)).ToList();
//series = chart.Series.Add("sd1",
// dataTimeList.ToArray(),
// dataList.ToArray());
//chart.Series.Add("sdlowlimit",
// dataTimeList.ToArray(),
// dataListsdlowlimit.ToArray());
//chart.Series.Add("sdhghlimit",
// dataTimeList.ToArray(),
// dataListsdhghlimit.ToArray());
//chart.Series[0].Marker.Symbol = MarkerSymbol.Circle;
//chart.Series[0].Marker.Size = 5;
//chart.Series[0].Name = " ";
//chart.Series[0].DataLabels.Clear();
//xAxis = chart.AxisX;
//xAxis.Hidden = true;
//yAxis = chart.AxisY;
//yAxis.TickLabelPosition = AxisTickLabelPosition.NextToAxis;
//paragraphFormat = builder.ParagraphFormat;
//paragraphFormat.Alignment = ParagraphAlignment.Center;//居中
//builder.Font.Size = 12;
//builder.Font.Name = "Arial";
//builder.Font.Bold = true;
//builder.Font.Color = Color.Red;
//builder.Writeln("本图形时间顺序是从左到右");
//builder.EndRow();
builder.InsertCell();
builder.ParagraphFormat.Alignment = ParagraphAlignment.Center;
builder.Font.ClearFormatting();
builder.Font.Name = "Arial";
builder.Font.Size = 15;
builder.Font.Bold = true;
builder.Writeln($"最近20组告警数据");
builder.ParagraphFormat.Alignment = ParagraphAlignment.Left;//居左
builder.Font.Name = "宋体";
builder.Font.Bold = false;
builder.Writeln($"{ReportDto.alarmData}");
for (int i = 0; i < 2; i++)
{
builder.InsertBreak(BreakType.LineBreak);//
}
builder.EndRow();
builder.InsertCell();
builder.Font.Name = "Arial";
builder.Font.Size = 15;
builder.Font.Bold = true;
builder.Writeln($"制表人：{ReportDto.CreateMan}");
builder.Writeln($"时 间 ：{ReportDto.ReportTime}");
builder.ParagraphFormat.Alignment = ParagraphAlignment.Right;
builder.Writeln($"签名：\t\t\t");
builder.EndRow();
builder.EndTable();
var docDir = Regex.Split(strSavePath, ".docx", RegexOptions.IgnoreCase)[0] + ".docx";
doc.Save(docDir, SaveFormat.Docx);
Document doct = new Document(docDir);
var pdfDir = Regex.Split(strSavePath, ".docx", RegexOptions.IgnoreCase)[0] + ".pdf";
PdfSaveOptions saveOption = new PdfSaveOptions();
saveOption.SaveFormat = SaveFormat.Pdf;
var passwd = string.IsNullOrEmpty(ReportDto.passwd) ? string.Empty : ReportDto.passwd;
PdfEncryptionDetails encryptionDetails = new PdfEncryptionDetails(passwd, "owner", PdfEncryptionAlgorithm.RC4_128);
encryptionDetails.Permissions = PdfPermissions.DisallowAll;
encryptionDetails.Permissions = PdfPermissions.Printing | PdfPermissions.HighResolutionPrinting;
saveOption.EncryptionDetails = encryptionDetails;
var saveret= doct.Save(pdfDir, saveOption);
string returnHtppurl = "";
if (!string.IsNullOrEmpty(pdfDir))
{
//var myhttprequest = IOCProvider.GetService<IHttpContextAccessor>().HttpContext.Request;
//var httpHost = myhttprequest.Scheme + "://" + myhttprequest.Host;
//string httpHost = AppDomain.CurrentDomain.BaseDirectory;
string FullFileName = "";
string nowDirection = "";
string[] fileUrlArr = pdfDir.Split('\\');
FullFileName = fileUrlArr[fileUrlArr.Length - 1];
nowDirection = fileUrlArr[fileUrlArr.Length - 2];
returnHtppurl = myconfiguration["Report:ReportFileUrl"].ToString().Replace("\\", "/") + "/" + nowDirection + "/" + FullFileName;
//returnHtppurl = filePath;
}
else
{
}
return returnHtppurl;
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
}