itext7 html转pdf

maven包导入

<!-- 获取html并替换内容 -->
<dependency>
    <groupId>org.jsoup</groupId>
    <artifactId>jsoup</artifactId>
    <version>1.6.3</version>
</dependency>

<!-- html转PDF -->
<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>kernel</artifactId>
    <version>7.1.1</version>
</dependency>

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>layout</artifactId>
    <version>7.1.1</version>
</dependency>

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>html2pdf</artifactId>
    <version>2.0.1</version>
</dependency>

String fileName = "PDF文件名";
//inline 设置为可在浏览器内打开，下载文件名称为fileName
response.setHeader("Content-Disposition", "inline;fileName=" + new String(fileName.getBytes(), "ISO8859-1") + ".pdf");
response.setContentType("application/pdf;charset=UTF-8");

//html文本地址
Sting url = "";
//根据html获取网络上的html对象
Document html = Jsoup.connect(url).get();
//替换html内容后将输出html文本
String htmlStr = html.html();

//导入字体
FontProvider font = new FontProvider();
font.addFont("/com/common/font/simsun.ttf");

ConverterProperties c = new ConverterProperties();
c.setFontProvider(font);
c.setCharset("utf-8");

PdfDocument pd = new PdfDocument(new PdfWriter(response.getOutputStream()));
//设置文件标题为fileName，web上展示的标题为此标题
pd.getDocumentInfo().setTitle(fileName);

Document document = new Document(pd, PageSize.A3);
try{
    //设置页面边距 必须先设置边距，再添加内容，否则页边距无效
    document.setMargins(20, 0, 20, 0);
    List<IElement> list = HtmlConverter.convertToElements(htmlStr, c);
    for (IElement ie : list) {
        document.add((IBlockElement) ie);
    }
}finally {
    document.close();
}

itext7 html转pdf

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