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Export custom HTML template

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温柔的废话
温柔的废话 2021-01-21 04:58

Background

Exporting to HTML generates the following:
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  • 失恋的感觉
    2021-01-21 05:54

    The HTML_HEADER parameter of JRHtmlExporterParameter was replaced with:

    HtmlExporterConfiguration.getHtmlHeader()

    For example:

    public byte[] exportHtml(final JasperPrint print) {
    final Exporter exporter = new HtmlExporter();
    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    exporter.setConfiguration(createHtmlConfiguration());
    exporter.setExporterOutput(new SimpleHtmlExporterOutput(out));
    exporter.setExporterInput(new SimpleExporterInput(print));
    exporter.exportReport();

    return out.toByteArray();
}

private HtmlExporterConfiguration createHtmlConfiguration()
        throws IOException {
    SimpleHtmlExporterConfiguration shec
            = new SimpleHtmlExporterConfiguration();

    shec.setHtmlHeader(getHtmlHeader());
    shec.setHtmlFooter(getHtmlFooter());

    return shec;
}

private String getHtmlHeader() {
    StringBuffer sb = new StringBuffer();
    sb.append("<html>");
    sb.append("<head>");
    sb.append("  <title></title>");
    sb.append("  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"/>");
    sb.append("  <style type=\"text/css\">");
    sb.append("    a {text-decoration: none}");
    sb.append("  </style>");
    sb.append("</head>");
    sb.append("<body text=\"#000000\" link=\"#000000\" alink=\"#000000\" vlink=\"#000000\">");
    sb.append("<table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">");
    sb.append("<tr><td align=\"left\">");

    return sb.toString();
}

private String getHtmlFooter() {
  // Close the opening tags from getHtmlHeader()...
}

    Even better would be to use external resources (such as a database, file, or web page) for the HTML content, rather than hard-coded strings.

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