101 lines
3.4 KiB
C#
101 lines
3.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using QuestPDF.Fluent;
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using QuestPDF.Helpers;
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using QuestPDF.Infrastructure;
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namespace YD_Event.Core.Certificate
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{
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/// <summary>
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/// 结业证书PDF文档生成类
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/// </summary>
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/// <remarks>
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/// 实现IDocument接口，用于生成A4大小的结业证书PDF文档
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/// 包含证书标题、学员信息、课程名称、证书编号和发证日期等内容
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/// </remarks>
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public class CertificateDocument : IDocument
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{
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/// <summary>
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/// 证书数据模型
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/// </summary>
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private readonly CertificateModel _model;
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="model">证书数据模型，包含生成证书所需的所有信息</param>
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public CertificateDocument(CertificateModel model)
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{
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_model = model;
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}
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/// <summary>
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/// 获取文档元数据
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/// </summary>
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/// <returns>返回默认的文档元数据</returns>
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public DocumentMetadata GetMetadata() => DocumentMetadata.Default;
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/// <summary>
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/// 组合文档内容
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/// </summary>
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/// <param name="container">文档容器，用于构建PDF文档结构</param>
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/// <remarks>
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/// 构建A4大小的证书页面，包含以下内容：
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/// 1. 证书标题 "结 业 证 书"
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/// 2. 学员姓名和课程完成信息
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/// 3. 证书编号
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/// 4. 发证日期
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/// </remarks>
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public void Compose(IDocumentContainer container)
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{
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container.Page(page =>
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{
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// 设置页面大小为A4
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page.Size(PageSizes.A4);
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// 设置页面边距为40
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page.Margin(40);
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// 设置默认字体为思源黑体
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page.DefaultTextStyle(x => x.FontFamily("Source Han Sans CN"));
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// 构建页面内容，使用列布局
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page.Content().Column(column =>
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{
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// 设置列项间距为20
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column.Spacing(20);
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// 添加证书标题
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column.Item().AlignCenter().Text("结 业 证 书")
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.FontSize(32) // 设置字体大小为32
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.Bold(); // 设置为粗体
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// 添加学员姓名信息
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column.Item().PaddingTop(40)
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.Text($"兹证明 {_model.UserName}")
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.FontSize(18)
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.AlignCenter();
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// 添加课程完成信息
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column.Item()
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.Text($"已完成《{_model.CourseName}》课程")
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.FontSize(18)
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.AlignCenter();
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// 添加证书编号
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column.Item().PaddingTop(20)
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.Text($"证书编号：{_model.CertificateNo}")
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.FontSize(12)
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.AlignCenter();
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// 添加发证日期，右对齐
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column.Item().PaddingTop(40)
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.Text($"发证日期：{_model.IssueDate:yyyy年MM月dd日}")
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.AlignRight();
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});
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});
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}
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}
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}
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