itextpdf 中文字体设置

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itext7 字体（默认不输出中文）

内置中文字体：itext7-core包含了中文字体包，可用来创建字体

# 常用字体程序及对应编码
STSong-Light       ==> UniGB-UCS2-H
HeiseiKakuGo-W5    ==> UniJIS-UCS2-H
HeiseiMin-W3       ==> UniJIS-UCS2-H

windows中文字体库：c:/windows/fonts

# 部分
PS C:\windows\fonts> ls目录: C:\windows\fontsMode                 LastWriteTime         Length Name
----                 -------------         ------ ----
-a----         2019/12/7     17:08         261872 segmdl2.ttf
-a----         2019/12/7     17:08         168404 segoepr.ttf
-a----         2019/12/7     17:08         167800 segoeprb.ttf
-a----         2019/12/7     17:08         596948 segoesc.ttf
-a----         2019/12/7     17:08         581252 segoescb.ttf
-a----         2019/12/7     17:08         955804 segoeui.ttf
-a----         2019/12/7     17:08         951724 segoeuib.ttf
-a----         2019/12/7     17:08         529712 segoeuii.ttf
-a----         2019/12/7     17:08         913712 segoeuil.ttf
-a----         2019/12/7     17:08         854140 segoeuisl.ttf
-a----         2019/12/7     17:08         541468 segoeuiz.ttf
-a----         2019/12/7     17:08         324260 seguibl.ttf
-a----         2019/12/7     17:08         356008 seguibli.ttf
-a----         2019/12/7     17:08        2072388 seguiemj.ttf
-a----         2019/12/7     17:08        1400724 seguihis.ttf
-a----         2019/12/7     17:08         459940 seguili.ttf
-a----         2019/12/7     17:08         971080 seguisb.ttf
-a----         2019/12/7     17:08         457892 seguisbi.ttf
-a----         2019/12/7     17:08         467180 seguisli.ttf
-a----         2019/12/7     17:08        2454728 seguisym.ttf
-a----         2019/12/7     17:08         120560 webdings.ttf
-a----         2019/12/7     17:08          82180 wingding.ttf
-a----         2019/12/7     17:08         120560 webdings.ttf
-a----         2019/12/7     17:08          82180 wingding.ttf
-a----         2019/12/7     17:09       14522408 YuGothB.ttc
-a----         2019/12/7     17:09       13805400 YuGothL.ttc
-a----         2019/12/7     17:08       13742180 YuGothM.ttc
-a----         2019/12/7     17:09       13674828 YuGothR.ttc
-a----          2021/1/7     21:12        2774928 方正粗黑宋简体.ttf

PdfFontFactory：创建字体

public final class PdfFontFactory {private static final String DEFAULT_ENCODING = "";private static final PdfFontFactory.EmbeddingStrategy DEFAULT_EMBEDDING;private static final boolean DEFAULT_CACHED = true;public PdfFontFactory() {}public static PdfFont createFont() throws IOException {return createFont("Helvetica", "");}public static PdfFont createFont(PdfDictionary fontDictionary) {public static PdfFont createFont(FontProgram fontProgram) {public static PdfFont createFont(FontProgram fontProgram, String encoding) {public static PdfFont createFont(FontProgram fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) {public static PdfFont createFont(String fontProgram) throws IOException {public static PdfFont createFont(String fontProgram, String encoding) throws IOException {public static PdfFont createFont(String fontProgram, String encoding, PdfDocument cacheTo) throws IOException {public static PdfFont createFont(String fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) throws IOException {public static PdfFont createFont(String fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, PdfDocument cacheTo) throws IOException {public static PdfFont createFont(String fontProgram, PdfFontFactory.EmbeddingStrategy embeddingStrategy) throws IOException {public static PdfFont createFont(String fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, boolean cached) throws IOException {public static PdfFont createFont(byte[] fontProgram, String encoding) throws IOException {public static PdfFont createFont(byte[] fontProgram, PdfFontFactory.EmbeddingStrategy embeddingStrategy) throws IOException {public static PdfFont createFont(byte[] fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) throws IOException {public static PdfFont createFont(byte[] fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, boolean cached) throws IOException {public static PdfFont createTtcFont(byte[] ttc, int ttcIndex, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, boolean cached) throws IOException {public static PdfFont createTtcFont(String ttc, int ttcIndex, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, boolean cached) throws IOException {public static PdfType3Font createType3Font(PdfDocument document, boolean colorized) {public static PdfType3Font createType3Font(PdfDocument document, String fontName, String fontFamily, boolean colorized) {public static PdfFont createRegisteredFont(String fontName, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, int style, boolean cached) throws IOException {public static PdfFont createRegisteredFont(String fontName, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, boolean cached) throws IOException {public static PdfFont createRegisteredFont(String fontName, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) throws IOException {public static PdfFont createRegisteredFont(String fontName, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy, int style) throws IOException {public static PdfFont createRegisteredFont(String fontName, String encoding) throws IOException {public static PdfFont createRegisteredFont(String fontName) throws IOException {public static void registerFamily(String familyName, String fullName, String path) {public static void register(String path) {public static void register(String path, String alias) {public static int registerDirectory(String dirPath) {public static int registerSystemDirectories() {public static Set<String> getRegisteredFonts() {public static Set<String> getRegisteredFamilies() {public static boolean isRegistered(String fontName) {private static PdfType1Font createFontFromType1FontProgram(Type1Font fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) {private static PdfType0Font createType0FontFromTrueTypeFontProgram(TrueTypeFont fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) {private static PdfTrueTypeFont createTrueTypeFontFromTrueTypeFontProgram(TrueTypeFont fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) {private static PdfType0Font createType0FontFromCidFontProgram(CidFont fontProgram, String encoding, PdfFontFactory.EmbeddingStrategy embeddingStrategy) {static {DEFAULT_EMBEDDING = PdfFontFactory.EmbeddingStrategy.PREFER_EMBEDDED;}************
内部枚举：EmbeddingStrategypublic static enum EmbeddingStrategy {FORCE_EMBEDDED,FORCE_NOT_EMBEDDED,PREFER_EMBEDDED,PREFER_NOT_EMBEDDED;private EmbeddingStrategy() {}}
}

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示例

public class Test3 {private static final String dest = "./test/1.pdf";private static final String dest2 = "./test/2.pdf";private static final String dest3 = "./test/3.pdf";public static void fun() throws Exception{PdfDocument pdfDocument = new PdfDocument(new PdfWriter(dest));Document document = new Document(pdfDocument);Paragraph paragraph = new Paragraph("hello 瓜田李下");document.add(paragraph);document.close();}public static void fun2() throws Exception{  //font-asian中文包PdfDocument pdfDocument = new PdfDocument(new PdfWriter(dest2));Document document = new Document(pdfDocument);PdfFont font = PdfFontFactory.createFont("STSong-Light","UniGB-UCS2-H");document.setFont(font);Paragraph paragraph = new Paragraph("hello 瓜田李下");document.add(paragraph);document.close();}public static void fun3() throws Exception{  //系统中文包PdfDocument pdfDocument = new PdfDocument(new PdfWriter(dest3));Document document = new Document(pdfDocument);PdfFont font = PdfFontFactory.createFont("./fonts/simkai.ttf");document.setFont(font);Paragraph paragraph = new Paragraph("hello 瓜田李下");document.add(paragraph);document.close();}public static void main(String[] args) throws Exception{File file = new File(dest);file.getParentFile().mkdirs();fun();fun2();fun3();}
}

fun：不输出中文

fun2：输出中文

fun3：输出中文

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itextpdf 中文字体设置

itextpdf 中文字体设置

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