gaorl
2 years ago
parent
2f90e6d436
commit
19a443e8eb
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package com.dxhy.order.invoice.utils; |
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import com.dxhy.order.model.OrderInvoiceDetail; |
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import com.itextpdf.text.*; |
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import com.itextpdf.text.pdf.*; |
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import org.springframework.stereotype.Component; |
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import java.io.FileOutputStream; |
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import java.lang.reflect.Method; |
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import java.util.ArrayList; |
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import java.util.List; |
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/** |
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* @author Gy Chen |
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* @date 2021/3/17 |
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*/ |
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@Component |
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@SuppressWarnings({"AliDeprecation", "AlibabaUndefineMagicConstant"}) |
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public class PDFExportUtil { |
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private static PdfWriter writer; |
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private static ArrayList<PdfPRow> listRow; |
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private static PdfPTable table; |
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public static void pdfExport(String fileTitle, String filePath, String titleName, List<OrderInvoiceDetail> dataList, |
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List<String> titleColumns,List<String> titleValues, float[] columnWidths, boolean firstPage, boolean lastPage) { |
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Document document = new Document(PageSize.A4); |
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try { |
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// 中文字体，解决中文不能显示问题
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BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED); |
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// 正文字体风格
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Font contextFont = new Font(bfChinese, 10, Font.NORMAL); |
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if (firstPage) { |
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// 两列的表
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table = new PdfPTable(titleColumns.size()); |
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// 宽度100%填充
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table.setWidthPercentage(100); |
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// 前间距
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table.setSpacingBefore(10f); |
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// 后间距
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table.setSpacingAfter(10f); |
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listRow = table.getRows(); |
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// 设置列宽比例 1:3
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table.setWidths(columnWidths); |
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// 一行两格
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PdfPCell[] cells1 = new PdfPCell[titleColumns.size()]; |
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PdfPRow row1 = new PdfPRow(cells1); |
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for (int i = 0; i < titleColumns.size(); i++) { |
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cells1[i] = new PdfPCell(new Paragraph(titleColumns.get(i), contextFont)); |
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cells1[i].setUseAscender(true); |
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cells1[i].setUseDescender(true); |
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cells1[i].setHorizontalAlignment(Element.ALIGN_CENTER); |
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} |
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listRow.add(row1); |
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} |
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for (Object data : dataList) { |
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// 一行两格
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PdfPCell[] cells1 = new PdfPCell[titleColumns.size()]; |
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PdfPRow row1 = new PdfPRow(cells1); |
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int i = 0; |
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for (String columnsName : titleValues) { |
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String getMethodName = "get" + columnsName.substring(0, 1).toUpperCase() + columnsName.substring(1); |
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Method declaredMethod = data.getClass().getDeclaredMethod(getMethodName); |
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String columnsData= (String)declaredMethod.invoke(data); |
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cells1[i] = new PdfPCell(new Paragraph(columnsData, contextFont)); |
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cells1[i].setUseAscender(true); |
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cells1[i].setUseDescender(true); |
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if (i == 6 || i == 7 || i == 8) { |
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cells1[i].setHorizontalAlignment(Element.ALIGN_RIGHT); |
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} else { |
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cells1[i].setHorizontalAlignment(Element.ALIGN_LEFT); |
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} |
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i++; |
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} |
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listRow.add(row1); |
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} |
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if (lastPage) { |
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document = new Document(new RectangleReadOnly(842.0F, 595.0F)); |
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// 新建一个pdf文件
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writer = PdfWriter.getInstance(document, new FileOutputStream(filePath)); |
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document.open(); |
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// 红标题字体风格
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Font redTitleFont = new Font(bfChinese, 20, Font.BOLD, BaseColor.BLACK); |
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// 红标题抬头
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Paragraph redTitle = new Paragraph(fileTitle, redTitleFont); |
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// 居中
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redTitle.setAlignment(Element.ALIGN_CENTER); |
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// 文档中加入红标题字段
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document.add(redTitle); |
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// 标题字体风格
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Font titleFont = new Font(bfChinese, 12, Font.NORMAL); |
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// 标题内容
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Paragraph title = new Paragraph(titleName, titleFont); |
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// 离上一段落（标题）空的行数
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title.setSpacingBefore(25); |
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// 设置标题格式对齐方式
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title.setAlignment(Element.ALIGN_LEFT); |
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// 文档中加入标题字段
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document.add(title); |
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// 把表格添加到文件中
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document.add(table); |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} finally { |
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if (lastPage) { |
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document.close(); |
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writer.close(); |
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} |
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} |
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} |
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} |
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