用Java验证pdf文件的电子章签名-APISpace

用Java验证pdf文件的电子章签名

pom.xml

xmlns:xsi="http://w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.yalong

verifyPdf

1.0-SNAPSHOT

UTF-8

1.8

1.18.10

javax.xml.bind

jaxb-api

2.3.0

e-iceblue

spire.pdf.free

2.6.3

org.apache.poi

poi

4.0.1

org.apache.poi

poi-ooxml

4.0.1

org.projectlombok

lombok

${lombok.version}

com.e-iceblue

http://repo.e-iceblue.cn/repository/maven-public/

xmlns:xsi="http://w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.yalong

verifyPdf

1.0-SNAPSHOT

UTF-8

1.8

1.18.10

javax.xml.bind

jaxb-api

2.3.0

e-iceblue

spire.pdf.free

2.6.3

org.apache.poi

poi

4.0.1

org.apache.poi

poi-ooxml

4.0.1

org.projectlombok

lombok

${lombok.version}

com.e-iceblue

http://repo.e-iceblue.cn/repository/maven-public/

VerifySignature.java

import com.spire.pdf.PdfDocument;

import com.spire.pdf.security.PdfCertificate;

import com.spire.pdf.security.PdfSignature;

import com.spire.pdf.widget.PdfFormFieldWidgetCollection;

import com.spire.pdf.widget.PdfFormWidget;

import com.spire.pdf.widget.PdfSignatureFieldWidget;

import lombok.Data;

import lombok.ToString;

import org.apache.poi.ss.usermodel.*;

import org.apache.poi.ss.usermodel.Font;

import org.apache.poi.xssf.streaming.SXSSFWorkbook;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.Serializable;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashSet;

import java.util.List;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import javax.swing.*;

import java.awt.*;

@Data

@ToString

class ExcelDataVO implements Serializable {

private String fileName;

private String signDate;

private String validBefore;

private String validAfter;

private String subject;

private String serialNumber;

private Boolean isEffective = false;

}

class ExcelWriter {

//表头

private static final ListpvHMC CELL_HEADS;

static {

// 类装载时就载入指定好的表头信息，如有需要，可以考虑做成动态生成的表头

CELL_HEADS = new ArrayList<>();

CELL_HEADS.add("文件名");

CELL_HEADS.add("签名时间");

CELL_HEADS.add("有效期");

CELL_HEADS.add("签名机构");

CELL_HEADS.add("序列号");

CELL_HEADS.add("是否通过验签");

}

/**

* 生成Excel并写入数据信息

* @param dataList 数据列表

* @return 写入数据后的工作簿对象

public static Workbook exportData(List dataList) {

// 生成xlsx的Excel

Workbook workbook = new SXSSFWorkbook();

// 如需生成xls的Excel，请使用下面的工作簿对象，注意后续输出时文件后缀名也需更改为xls

//Workbook workbook = new HSSFWorkbook();

// 生成Sheet表，写入第一行的表头

Sheet sheet = buildDataSheet(workbook);

//构建每行的数据内容

int rowNum = 1;

for (ExcelDataVO data : dataList) {

if (data == null) {

continue;

}

//输出行数据

Row row = sheet.createRow(rowNum++);

convertDataToRow(workbook, data, row);

}

return workbook;

}

/**

* 生成sheet表，并写入第一行数据（表头）

* @param workbook 工作簿对象

* @return 已经写入表头的Sheet

private static Sheet buildDataSheet(Workbook workbook) {

Sheet sheet = workbook.createSheet();

// 设置表头宽度

for (int i = 0; i < CELL_HEADS.size(); i++) {

sheet.setColumnWidth(i, 4000);

}

// 设置默认行高

sheet.setDefaultRowHeight((short) 400);

// 构建头单元格样式

CellStyle cellStyle = buildHeadCellStyle(sheet.getWorkbook());

// 写入第一行各列的数据

Row head = sheet.createRow(0);

for (int i = 0; i < CELL_HEADS.size(); i++) {

Cell cell = head.createCell(i);

cell.setCellValue(CELL_HEADS.get(i));

cell.setCellStyle(cellStyle);

}

return sheet;

}

/**

* 设置第一行表头的样式

* @param workbook 工作簿对象

* @return 单元格样式对象

private static CellStyle buildHeadCellStyle(Workbook workbook) {

CellStyle style = workbook.createCellStyle();

//对齐方式设置

style.setAlignment(HorizontalAlignment.CENTER);

//边框颜色和宽度设置

style.setBorderBottom(BorderStyle.THIN);

style.setBottomBorderColor(IndexedColors.BLACK.getIndex()); // 下边框

style.setBorderLeft(BorderStyle.THIN);

style.setLeftBorderColor(IndexedColors.BLACK.getIndex()); // 左边框

style.setBorderRight(BorderStyle.THIN);

style.setRightBorderColor(IndexedColors.BLACK.getIndex()); // 右边框

style.setBorderTop(BorderStyle.THIN);

style.setTopBorderColor(IndexedColors.BLACK.getIndex()); // 上边框

//设置背景颜色

style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());

style.setFillPattern(FillPatternType.SOLID_FOREGROUND);

//粗体字设置

Font font = workbook.createFont();

font.setBold(true);

style.setFont(font);

return style;

}

/**

* 将数据转换成行

* @param data 源数据

* @param row 行对象

private static void convertDataToRow(Workbook workbook, ExcelDataVO data, Row row) {

int cellNum = 0;

Cell cell;

//对特殊数值设置颜色

CellStyle cellStyle = workbook.createCellStyle();

//字体设置

Font font = workbook.createFont();

font.setBold(true);

font.setColor(IndexedColors.GREEN.getIndex());

cellStyle.setFont(font);

// 文件名