package org.springblade.mdm.commons.support;
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import com.itextpdf.text.DocumentException;
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import com.itextpdf.text.pdf.AcroFields;
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import com.itextpdf.text.pdf.BaseFont;
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import com.itextpdf.text.pdf.PdfReader;
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import com.itextpdf.text.pdf.PdfStamper;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Map;
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/**
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* 模板生成pdf
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*/
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public class TemplatedPdfWriter {
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private byte[] templateBytes;
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public TemplatedPdfWriter(byte[] templateBytes){
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this.templateBytes = templateBytes;
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}
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public void setTemplateBytes(byte[] templateBytes){
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this.templateBytes = templateBytes;
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}
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public void write(Map<String,String> data, OutputStream outputStream) throws DocumentException, IOException {
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PdfReader reader = null;
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PdfStamper pdfStamper = null;
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reader = new PdfReader(this.templateBytes);
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pdfStamper = new PdfStamper(reader, outputStream);
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// 使用中文字体
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BaseFont bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
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ArrayList<BaseFont> fontList = new ArrayList<>();
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fontList.add(bf);
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AcroFields fields = pdfStamper.getAcroFields();
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fields.setSubstitutionFonts(fontList);
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fillData(fields, data);//染
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//必须要调用这个，否则文档不会生成的
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pdfStamper.setFormFlattening(true);
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pdfStamper.close();
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}
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void fillData(AcroFields fields, Map<String, String> data) throws DocumentException, IOException {
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for (String key : data.keySet()) {
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String value = data.get(key);
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// 为字段赋值,注意字段名称是区分大小写的fields.setField(key,value);
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fields.setField(key,value,true);
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//form.setFieldProperty("fieldName", "clrflags", PdfAnnotation.FLAGS_HIDDEN, null);
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//fields.setFieldRichValue()
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}
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}
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}
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