diff --git a/New_College.Api/Controllers/Front/PcVolunteerController.cs b/New_College.Api/Controllers/Front/PcVolunteerController.cs index 5f11983..380dec7 100644 --- a/New_College.Api/Controllers/Front/PcVolunteerController.cs +++ b/New_College.Api/Controllers/Front/PcVolunteerController.cs @@ -16,6 +16,7 @@ using StackExchange.Profiling.Internal; using Newtonsoft.Json; using System.IO; using MiniExcelLibs; +using PDFGenerateApi; namespace New_College.Api.Controllers.Front { @@ -213,26 +214,26 @@ namespace New_College.Api.Controllers.Front /// /// /// - //[HttpGet("generate")] - //public IActionResult Generate([FromQuery] MinExcelAttrDto dto) - //{ - //string[] unversityheaders = { "志愿", "概率", "院校代码", "院校名称", "24招生计划", "历年", "2023", "2022", "2021" }; - //var stream = PdfOptHelper.CreatePdf("test", unversityheaders.ToList(), new List() { - // new PdfOptHelper.dataModel() - // { id=1, - // history="录取人数\n计划人数\n最低分\n最低位次\n效位差", - // planName="A222", - // probability="90%", - // universityCode="A99", - // universityName="中科大大家四大石窟记得哈就开始大肆扩大数据库", - // years=new List(){"2023", "2022", "2021" } - // } - //}); + [HttpGet("generate")] + public IActionResult Generate([FromQuery] MinExcelAttrDto dto) + { + string[] unversityheaders = { "志愿", "概率", "院校代码", "院校名称", "24招生计划", "历年", "2023", "2022", "2021" }; + var stream = PdfOptHelper.CreatePdf("test", unversityheaders.ToList(), new List() { + new PdfOptHelper.dataModel() + { id=1, + history="录取人数\n计划人数\n最低分\n最低位次\n效位差", + planName="A222", + probability="90%", + universityCode="A99", + universityName="中科大大家四大石窟记得哈就开始大肆扩大数据库", + years=new List(){"2023", "2022", "2021" } + } + }); - //// 返回 PDF 文件 - //return File(stream.ToArray(), "application/pdf", "table_example_with_logo_and_title.pdf"); + // 返回 PDF 文件 + return File(stream.ToArray(), "application/pdf", "table_example_with_logo_and_title.pdf"); - //} + } [HttpGet("Export")] public async Task Export([FromQuery] MinExcelAttrDto dto) { diff --git a/New_College.Api/New_College.Api.csproj b/New_College.Api/New_College.Api.csproj index 6742fef..36d6e8f 100644 --- a/New_College.Api/New_College.Api.csproj +++ b/New_College.Api/New_College.Api.csproj @@ -65,6 +65,7 @@ + diff --git a/New_College.sln b/New_College.sln index e47e8fc..2c5a63b 100644 --- a/New_College.sln +++ b/New_College.sln @@ -29,7 +29,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "New_College.AdminMvc", "New EndProject Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "New_Spider", "New_Spider\New_Spider.csproj", "{E23857BF-DFBB-49DD-A86A-1B2932F6D33B}" EndProject -Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PDFGenerateApi", "PDFGenerateApi\PDFGenerateApi.csproj", "{CEBFD10D-AAB8-4DCD-94B4-9879532BA45C}" +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PDFGenerateApi", "PDFGenerateApi\PDFGenerateApi.csproj", "{CEBFD10D-AAB8-4DCD-94B4-9879532BA45C}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PdfOpt", "PdfOpt\PdfOpt.csproj", "{AD66F033-5A1F-4FE3-AB99-8E06AB987554}" EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution @@ -93,6 +95,10 @@ Global {CEBFD10D-AAB8-4DCD-94B4-9879532BA45C}.Debug|Any CPU.Build.0 = Debug|Any CPU {CEBFD10D-AAB8-4DCD-94B4-9879532BA45C}.Release|Any CPU.ActiveCfg = Release|Any CPU {CEBFD10D-AAB8-4DCD-94B4-9879532BA45C}.Release|Any CPU.Build.0 = Release|Any CPU + {AD66F033-5A1F-4FE3-AB99-8E06AB987554}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {AD66F033-5A1F-4FE3-AB99-8E06AB987554}.Debug|Any CPU.Build.0 = Debug|Any CPU + {AD66F033-5A1F-4FE3-AB99-8E06AB987554}.Release|Any CPU.ActiveCfg = Release|Any CPU + {AD66F033-5A1F-4FE3-AB99-8E06AB987554}.Release|Any CPU.Build.0 = Release|Any CPU EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/PdfOpt/PdfOpt.csproj b/PdfOpt/PdfOpt.csproj new file mode 100644 index 0000000..b52de17 --- /dev/null +++ b/PdfOpt/PdfOpt.csproj @@ -0,0 +1,14 @@ + + + + net6.0 + enable + enable + + + + + + + + diff --git a/PdfOpt/PdfOptHelper.cs b/PdfOpt/PdfOptHelper.cs new file mode 100644 index 0000000..6ff7807 --- /dev/null +++ b/PdfOpt/PdfOptHelper.cs @@ -0,0 +1,244 @@ +using static System.Net.Mime.MediaTypeNames; +using iText.Kernel.Pdf; +using iText.Kernel.Geom; +using iText.IO.Image; +using iText.Layout.Element; +using Image = iText.Layout.Element.Image; +using iText.Layout.Properties; +using iText.Layout; +using iText.Kernel.Font; +using iText.IO.Font; +using iText.Kernel.Colors; + +namespace PDFGenerateApi +{ + public class PdfOptHelper + { + + /// + /// + /// + /// + /// + /// + /// + public static MemoryStream CreatePdf(string pagetitle, List headers, List dataModels) + { + // 创建内存流 + using (var stream = new MemoryStream()) + { + // 创建 PDF Writer + PdfWriter writer = new PdfWriter(stream); + PdfDocument pdf = new PdfDocument(writer); + // 设置页面大小为横向 A4 + PageSize pageSize = PageSize.A4.Rotate(); + // 设置页面大小为 A4 + pdf.SetDefaultPageSize(pageSize); + Document document = new Document(pdf); + // 加载中文字体 + string fontsPath = System.IO.Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "fonts", "NotoSansCJKsc-Regular.otf"); + //if (!File.Exists(fontsPath)) + //{ + // bool aa = true; + // // _logger.LogError($"Font file not found at path: {fontsPath}"); + // // return NotFound("Font file not found."); + //} + PdfFont font = PdfFontFactory.CreateFont(fontsPath, PdfEncodings.IDENTITY_H, PdfFontFactory.EmbeddingStrategy.PREFER_EMBEDDED); + // 加载 logo 图像 + string logoPath = "https://i5.youzy.cn/util4y/media/files/20231026/7840b6f1f30c413eade15babc70be26e_%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20230811154443.png"; // 确保 logo.png 放在 wwwroot 目录下 + ImageData imageData = ImageDataFactory.Create(logoPath); + Image logo = new Image(imageData); + logo.SetWidth(124); + logo.SetHeight(40); + // 将 logo 添加到文档中 + document.Add(logo); + Paragraph title = CreateTitle(font, pagetitle); + document.Add(title); + // 添加标题下方内容 + Paragraph subtitle = CreateSubTitle(font, string.Format("最后修改时间:{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm"))); + document.Add(subtitle); + // 添加表头 + // string[] unversityheaders = { "志愿", "概率", "院校代码", "院校名称", "24招生计划", "历年", "2023", "2022", "2021" }; + Table universitytable = HeaderTable(font, 9, headers, new List() { }); + document.Add(universitytable); + #region ***********写入表格 + // 创建一个 8列的表格，设置表格宽度为 100% 以适应页面宽度 + // Table universitytable = new Table(9); + // universitytable.SetWidth(UnitValue.CreatePercentValue(100)); + + + //int h = 0; + //foreach (var header in unversityheaders) + //{ + // h++; + // if (h == 4) + // { + // universitytable.AddHeaderCell(new Cell().Add(new Paragraph(header).SetWidth(85).SetFont(font).SetBold().SetTextAlignment(TextAlignment.CENTER))); + // } + // else + // { + // universitytable.AddHeaderCell(new Cell().Add(new Paragraph(header).SetFont(font).SetBold().SetTextAlignment(TextAlignment.CENTER))); + // } + //} + + //// 可选：添加表格数据，这里仅作为示例 + //for (int i = 1; i <= 1; i++) + //{ + // universitytable.AddCell(new Cell().Add(new Paragraph(i.ToString()).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // universitytable.AddCell(new Cell().Add(new Paragraph("0.9").SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // universitytable.AddCell(new Cell().Add(new Paragraph("A999").SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // universitytable.AddCell(new Cell().Add(new Paragraph("山东师范大学(本科)(山东公办)省重点 保研 研究生院 省部共建山东 济南市/综合/公办/排名190" + i).SetWidth(85).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // universitytable.AddCell(new Cell().Add(new Paragraph("100").SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + + // universitytable.AddCell(new Cell().Add(new Paragraph("历史数据" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // universitytable.AddCell(new Cell().Add(new Paragraph("2023数据" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // universitytable.AddCell(new Cell().Add(new Paragraph("2022数据" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // universitytable.AddCell(new Cell().Add(new Paragraph("2021数据" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + + //} + //document.Add(universitytable); + //// float[] columnWidths = { 0.5f, 0.5f, 1, 2, 1, 1, 1, 1, 1 }; + //Table majortable = new Table(9); + //majortable.SetWidth(UnitValue.CreatePercentValue(100)); + //// 添加表头 + //string[] majorlistheaders = { "序号", "概率", "专业代码", "专业名称", "24招生计划", "历年", "2023", "2022", "2021" }; + //foreach (var header in majorlistheaders) + //{ + // majortable.AddHeaderCell(new Cell().Add(new Paragraph(header).SetFont(font).SetBold().SetTextAlignment(TextAlignment.CENTER))); + //} + + + //for (int i = 1; i <= 5; i++) + //{ + // majortable.AddCell(new Cell().Add(new Paragraph(i.ToString()).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // majortable.AddCell(new Cell().Add(new Paragraph("0.9").SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // majortable.AddCell(new Cell().Add(new Paragraph("QL").SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // majortable.AddCell(new Cell().Add(new Paragraph("垫子信息技术" + i).SetWidth(85).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // majortable.AddCell(new Cell().Add(new Paragraph("20").SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + + // majortable.AddCell(new Cell().Add(new Paragraph("录取人数\n计划人数\n最低分\n最低位次\n效位差" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // majortable.AddCell(new Cell().Add(new Paragraph("2023数据" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // majortable.AddCell(new Cell().Add(new Paragraph("2022数据" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + // majortable.AddCell(new Cell().Add(new Paragraph("2021数据" + i).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + + //} + //document.Add(majortable); + #endregion + // 将表格添加到文档中 + // 关闭文档 + document.Close(); + // 返回 PDF 文件 + return stream; + } + + } + + /// + /// 标题 + /// + /// + /// + /// + private static Paragraph CreateTitle(PdfFont font, string titletext) + { + Paragraph title = new Paragraph(titletext) + .SetTextAlignment(TextAlignment.CENTER) + .SetFont(font) + .SetBold() + .SetFontSize(16) + .SetMarginTop(20) + .SetMarginBottom(5); + return title; + } + + /// + /// 创建副标 + /// + /// + /// + /// + private static Paragraph CreateSubTitle(PdfFont font, string titletext) + { + Paragraph title = new Paragraph(titletext) + .SetTextAlignment(TextAlignment.CENTER) + .SetFont(font) + .SetFontColor(ColorConstants.GRAY) // 设置字体颜色为灰色 + .SetFontSize(12) + .SetMarginBottom(20); + return title; + } + + + /// + /// table表头 + /// + /// + /// + /// + private static Table HeaderTable(PdfFont font, int tb, List headers, List dataList) + { + Table table = new Table(tb); + table.SetWidth(UnitValue.CreatePercentValue(100)); + + + int h = 0; + foreach (var header in headers) + { + h++; + if (h == 4) + { + table.AddHeaderCell(new Cell().Add(new Paragraph(header).SetWidth(85).SetFont(font).SetBold().SetTextAlignment(TextAlignment.CENTER))); + } + else + { + table.AddHeaderCell(new Cell().Add(new Paragraph(header).SetFont(font).SetBold().SetTextAlignment(TextAlignment.CENTER))); + } + } + dataList.ForEach(a => + { + table.AddCell(new Cell().Add(new Paragraph(a.id.ToString()).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + table.AddCell(new Cell().Add(new Paragraph(a.probability).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + table.AddCell(new Cell().Add(new Paragraph(a.universityCode).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + table.AddCell(new Cell().Add(new Paragraph(a.universityName).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + table.AddCell(new Cell().Add(new Paragraph(a.planName).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + table.AddCell(new Cell().Add(new Paragraph(a.history).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + a.years.ForEach(a => + { + table.AddCell(new Cell().Add(new Paragraph(a).SetFont(font).SetTextAlignment(TextAlignment.CENTER))); + }); + }); + return table; + } + + + public class dataModel + { + public int id { get; set; } + + /// + /// + /// + public string probability { get; set; } + + /// + /// + /// + public string universityCode { get; set; } + + /// + /// + /// + public string universityName { get; set; } + + + public string planName { get; set; } + + + public string history { get; set; } + + public List years { get; set; } + + + } + } +}