Use of Jasper soft studio report tool and solution of thorny problems

jasper soft studio The use of reporting tools and the resolution of thorny problems ！

It has been half a year since bricks were moved , It's been a long time since Mi sent a new article. Let's do it today .
1、 It's easy to download and install , In addition, the functions of each part of the panel are relatively simple, which is directly omitted here .

2、 Change the font （ Chinese may not be displayed ）
window -->> preference


Be careful ： Font words need to search Baidu , The next step is java How to configure in .

<?xml version="1.0" encoding="UTF-8"?>
<fontFamilies>
    <!--</fontFamily>-->
    <fontFamily name=" Chinese Songti ">
        <normal>fonts/stsong.TTF</normal>
        <bold>fonts/stsong.TTF</bold>
        <italic>fonts/stsong.TTF</italic>
        <boldItalic>fonts/stsong.TTF</boldItalic>
        <pdfEncoding>Identity-H</pdfEncoding>
        <pdfEmbedded>true</pdfEmbedded>
        <exportFonts>
            <export key="net.sf.jasperreports.html">' Chinese Songti ', Arial, Helvetica, sans-serif</export>
            <export key="net.sf.jasperreports.xhtml">' Chinese Songti ', Arial, Helvetica, sans-serif</export>
        </exportFonts>
    </fontFamily>
    <fontFamily name=" Microsoft YaHei ">
        <normal>fonts/msyh.TTF</normal>
        <bold>fonts/msyh.TTF</bold>
        <italic>fonts/msyh.TTF</italic>
        <boldItalic>fonts/msyh.TTF</boldItalic>
        <pdfEncoding>Identity-H</pdfEncoding>
        <pdfEmbedded>true</pdfEmbedded>
        <exportFonts>
            <export key="net.sf.jasperreports.html">' Microsoft YaHei ', Arial, Helvetica, sans-serif</export>
            <export key="net.sf.jasperreports.xhtml">' Microsoft YaHei ', Arial, Helvetica, sans-serif</export>
        </exportFonts>
    </fontFamily>
</fontFamilies>

3、 Database as data source .




Click on add Add data sources

ClassPathResource resource = new ClassPathResource("pdf_template/print_test.jasper");
        InputStream inputStream = resource.getInputStream();
        ServletOutputStream outputStream = response.getOutputStream();
        JasperRunManager.runReportToPdfStream(inputStream,outputStream,title,new JRBeanCollectionDataSource(list));

4、java bean data source


Then select the jar Bag can
5、 Time

6、 picture


Square box 3 The content in ：

new ByteArrayInputStream(java.util.Base64.getDecoder().decode($F{
    pic}.getBytes()))

These problems are basically encountered , It's still a little difficult to use at first ; Come on, everyone! ！