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package com.yiboshi.science.utils;
import com.itextpdf.kernel.colors.DeviceRgb;
import com.itextpdf.layout.borders.SolidBorder;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.properties.TextAlignment;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.properties.UnitValue;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.text.pdf.BaseFont;
import com.yiboshi.science.param.dto.*;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.io.font.PdfEncodings;
import java.io.ByteArrayOutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import static com.yiboshi.science.utils.ProjectInfoToPDF.getCurrentOperatingSystem;
public class TaskToPDF {
static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
static SimpleDateFormat sdfM = new SimpleDateFormat("yyyy年MM月");
private static PdfFont createFont(String fontName) {
try {
if ("linux".equals(getCurrentOperatingSystem())) {
if (fontName.toLowerCase().endsWith(".ttc"))
return PdfFontFactory.createFont("/usr/share/fonts/" + fontName + ",0", PdfEncodings.IDENTITY_H);
else
return PdfFontFactory.createFont("/usr/share/fonts/" + fontName, PdfEncodings.IDENTITY_H);
} else {
if (fontName.toLowerCase().endsWith(".ttc"))
return PdfFontFactory.createFont("c:/Windows/Fonts/" + fontName + ",0", PdfEncodings.IDENTITY_H);
else
return PdfFontFactory.createFont("c:/Windows/Fonts/" + fontName, PdfEncodings.IDENTITY_H);
}
} catch (Exception e) {
throw new RuntimeException("加载字体文件失败，请确保系统中存在字体文件 " + fontName + "：" + e.getMessage(), e);
}
}
/**
* 生成项目合同书PDF
*
* @param dto 项目任务信息
* @return PDF文件字节数组
*/
public static byte[] createContractPdf(ComProjectTaskDTO dto) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(baos));
Document document = new Document(pdfDoc);
// 添加中文字体支持
// 宋体
PdfFont sfChinese = createFont("simsun.ttc");
// 仿宋
PdfFont fsChinese = createFont("simfang.ttf");
document.setFont(sfChinese);
float[] columnWidths = {20f, 20f, 20f, 40f};
Table table = new Table(columnWidths);
table.setWidth(UnitValue.createPercentValue(100));
// 设置单元格样式
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 4; j++) {
Cell cell = new Cell();
cell.setHeight(40f);
cell.setBorder(new SolidBorder(new DeviceRgb(0, 0, 0), 0.5f));
cell.setTextAlignment(TextAlignment.CENTER);
// 使用中文测试文本
cell.add(new Paragraph("单元格 " + (i+1) + "-" + (j+1)).setFont(sfChinese));
table.addCell(cell);
}
}
// 添加表格到文档
document.add(table);
// 关闭文档
document.close();
return baos.toByteArray();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}