package com.brilliance.utils;
import com.brilliance.bo.Receipt;
import com.itextpdf.forms.fields.PdfFormField;
import com.itextpdf.io.source.ByteArrayOutputStream;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.*;
import java.io.FileOutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
public class ReceiptUtils {
public static void main(String[] args) throws Exception {
// 创建一个Date对象，表示当前日期和时间
Date now = new Date();
// 创建一个SimpleDateFormat对象，并定义日期格式
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
// 使用format方法格式化日期
String formattedDate = dateFormat.format(now);
String str = new Date().getTime()+"";
String id = formattedDate + str.substring(str.length()-8);
String templateFilePath = ".\\doc\\receipt.pdf";
String pdfFilePath = "C:\\Users\\zhaojg\\.m2\\repository\\cn\\receipt"+id+".pdf";
Receipt receipt = new Receipt();
receipt.setReceiptNum(id);
receipt.setReceiptNo(id);
receipt.setBuyDate("2022/3/12");
receipt.setStartDate("2022/3/12");
receipt.setSeal("印密");
receipt.setYear("2022");
receipt.setPeriod("01");
receipt.setDeadline("三年");
receipt.setRate("3.45%");
receipt.setEndDate("2025/3/12");
receipt.setTellerNum("9527");
receipt.setAccountNum("130503196701010001");
receipt.setAccountName("张三");
receipt.setMoney("人民币壹百万元整 RMB1,000,000.00");
receipt.setRedemptionDate("2023/3/12");
receipt.setInterestAccDays("365");
receipt.setInterest("34500");
receipt.setOperator("经办员");
receipt.setStatus("有效");
receipt.setRecordNum("NO."+id);
buildPdf(templateFilePath,pdfFilePath,receipt);
}
/**
* 根据PDF模版生成PDF文件
*
* @param templateFilePath PDF模版文件路径
* @param pdfFilePath pdf文件保存路径
* @param receipt
*/
public static void buildPdf(String templateFilePath, String pdfFilePath, Receipt receipt) throws Exception {
// 表单域数据填充
HashMap<String, String> data = new HashMap<>();
data.put("receiptNum", receipt.receiptNum);
data.put("receiptNo", receipt.receiptNo);
data.put("buyDate", receipt.buyDate);
data.put("startDate", receipt.startDate);
data.put("seal", receipt.seal);
data.put("year", receipt.year);
data.put("period", receipt.period);
data.put("deadline", receipt.deadline);
data.put("rate", receipt.rate);
data.put("endDate", receipt.endDate);
data.put("tellerNum", receipt.tellerNum);
data.put("accountNum", receipt.accountNum);
data.put("accountName", receipt.accountName);
data.put("money", receipt.money);
data.put("redemptionDate", receipt.redemptionDate);
data.put("interestAccDays", receipt.interestAccDays);
data.put("interest", receipt.interest);
data.put("operator", receipt.operator);
data.put("status", receipt.status);
data.put("recordNum", receipt.recordNum);
createPDF(templateFilePath, data, true, pdfFilePath);
}
/**
* 根据PDF模版生成PDF文件
*
* @param templateFilePath PDF模版文件路径
* @param data 表单域数据
* @param formFlattening false：生成后的PDF文件表单域仍然可编辑 true：生成后的PDF文件表单域不可编辑
* @param pdfFilePath 生成PDF的文件路径
*/
private static void createPDF(String templateFilePath, HashMap<String, String> data,
boolean formFlattening, String pdfFilePath) throws Exception {
PdfReader reader = null;
ByteArrayOutputStream bos = null;
PdfStamper pdfStamper = null;
FileOutputStream fos = null;
try {
// 读取PDF模版文件
reader = new PdfReader(templateFilePath);
// 输出流
bos = new ByteArrayOutputStream();
// 构建PDF对象
pdfStamper = new PdfStamper(reader, bos);
// 获取表单数据
AcroFields form = pdfStamper.getAcroFields();
// 使用中文字体 使用 AcroFields填充值的不需要在程序中设置字体，在模板文件中设置字体为中文字体 Adobe 宋体 std L
//BaseFont bfChinese = BaseFont.createFont("STKaiti-Std-Regular", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
//com.itextpdf.text.Font font = new com.itextpdf.text.Font(bfChinese, 12, com.itextpdf.text.Font.NORMAL);
//form.addSubstitutionFont(bfChinese);
// 表单赋值
for (String key : data.keySet()) {
form.setField(key, data.get(key));
//form.setFieldProperty(key, "textfont", bfChinese, null);
//form.setFieldProperty(key, "textalignment", PdfFormField.ALIGN_CENTER, null);
// 也可以指定字体
//form.setFieldProperty(key, "textfont", bfChinese, null);
//form.setFieldProperty(key, "textalignment",1, null);
// 获取文本框的矩形区域（用于计算居中位置）
/*Rectangle rect = form.getFieldPositions(key).get(0).position;
float x = rect.getLeft() + (rect.getRight() - rect.getLeft()) / 2;
float y = rect.getBorder() + (rect.getTop() - rect.getBottom()) / 2;
// 设置文本框的文本对齐方式为居中（在iText中，对齐方式的值为左对齐:0, 居中:1, 右对齐:2）
form.setFieldProperty(key, "textalignment", 1, null);
// 填充汉字内容（这里以"张三"为例）
form.setField(key, data.get(key));
// 设置内容的位置为计算得到的居中位置
form.setFieldProperty(key, "textx", x, null);
form.setFieldProperty(key, "texty", y, null);*/
}
//设置生成的PDF文件不可编辑
pdfStamper.setFormFlattening(true);
pdfStamper.close();
fos = new FileOutputStream(pdfFilePath);
fos.write(bos.toByteArray());
fos.flush();
} finally {
if (null != fos) {
try {
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if (null != bos) {
try {
bos.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if (null != reader) {
try {
reader.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
private static void addTextToPdfCenter(AcroFields form, PdfStamper stamper, String text,String fieldName,BaseFont baseFont){
// 通过模板表单单元格名获取所在页和坐标，左下角为起点
int pageNo = form.getFieldPositions(fieldName).get(0).page;
Rectangle signRect = form.getFieldPositions(fieldName).get(0).position;
// 获取操作的页面
PdfContentByte contentByte = stamper.getOverContent(pageNo);
//创建表单
PdfPTable table = new PdfPTable(1);
//获取当前模板表单宽度
float totalWidth = signRect.getRight() - signRect.getLeft() - 1;
//设置新表单宽度
table.setTotalWidth(totalWidth);
//设置中文格式
Font font = new Font(baseFont);
//设置单元格格式
PdfPCell cell = new PdfPCell(new Phrase(text,font));
//设置单元格高度
cell.setFixedHeight(signRect.getTop()-signRect.getBottom()-1);
cell.setBorderWidth(0);
//设置垂直居中
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
//设置水平居中
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
//添加到表单中
table.addCell(cell);
//写入pdf
table.writeSelectedRows(0, -1, signRect.getLeft(), signRect.getTop(), contentByte);
}
}