paohaijiao

Posted on Oct 28

Radar Chart for a Multi-Dimensional Borrower Profile

#jquickpdf #opensource #tutorial

Radar Chart for a Multi-Dimensional Borrower Profile

jquick-pdf by example — demo #5 of 184. Every article in this series ships one complete, runnable demo: a template file and a Java class. No snippets, no omissions.

Six axes — leverage, liquidity, profitability, cash flow, governance, and history — on one radar.

This document belongs to the Credit report — chart series set. Like every demo in the series it has its own colour scheme and layout combination, derived deterministically from the demo number — so the look is stable across runs and two neighbouring documents never look alike.

What you'll build

A PDF written to D:/test/creditreport/05_radar.pdf
A template file (report/credit_report_05_radar.txt) with 1 bound placeholder
A detail grid of 10 rows × 6 columns, laid out with width:100% so it fills the text area
One self-contained Java class (JQuickCreditReport05RadarTest) that binds the data and renders the file

Bound placeholders

${svg}

Prerequisites

Java 8+ and one dependency — jquick-pdf is built on Apache PDFBox, not iText:

<dependency>
    <groupId>io.github.paohaijiao</groupId>
    <artifactId>jquick-pdfx</artifactId>
    <version>4.2.0</version>
</dependency>

Coordinates: io.github.paohaijiao:jquick-pdfx:4.2.0.

Step 1 — the template file

JPdfX is jquick-pdf's HTML-like template language. It lives in its own file (src/test/resources/report/credit_report_05_radar.txt) instead of a Java string, so designers can edit it without touching code.

<pdf>
<body>
  <div style="display:flex; marginBottom:18px">
    <div style="width:240px; height:96px; backgroundColor:#4A148C; borderRadius:6px; textAlignment:center; verticalAlignment:center">
      <h1 style="textAlignment:center; color:white; fontSize:18; margin:0">'企业信用评级报告'</h1>
    </div>
    <div style="width:380px; paddingLeft:16px">
      <p style="fontSize:10; color:#4A148C; margin:3px 0">'报告编号: CR-2023-08975'</p>
      <p style="fontSize:10; color:#4A148C; margin:3px 0">'评估日期: 2023年11月15日'</p>
      <p style="fontSize:10; color:#4A148C; margin:3px 0">'评估机构: 四川省企业信用评估中心'</p>
    </div>
  </div>

  <div style="marginBottom:18px">
    <h2 style="color:#4A148C; fontSize:14; marginBottom:8px">'四川省泡海椒科技有限公司'</h2>
    <table style="width:620px; fontSize:10">
      <tr>
        <th style="backgroundColor:#4A148C; color:white; padding:5px; textAlign:left">'项目'</th>
        <th style="backgroundColor:#4A148C; color:white; padding:5px; textAlign:left">'内容'</th>
        <th style="backgroundColor:#4A148C; color:white; padding:5px; textAlign:left">'项目'</th>
        <th style="backgroundColor:#4A148C; color:white; padding:5px; textAlign:left">'内容'</th>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'统一信用代码'</td>
        <td style="padding:5px;">'91110108MA01XX1234'</td>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'成立日期'</td>
        <td style="padding:5px;">'2018年5月20日'</td>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'注册资本'</td>
        <td style="padding:5px;">'1000万元人民币'</td>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'法定代表人'</td>
        <td style="padding:5px;">'泡海椒'</td>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'所属行业'</td>
        <td style="padding:5px;">'软件和信息技术服务业'</td>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'企业规模'</td>
        <td style="padding:5px;">'中型（150-200人）'</td>
      </tr>
    </table>
  </div>

  <div style="marginBottom:18px">
    <h2 style="color:#7B1FA2; borderBottom:1px solid #7B1FA2; paddingBottom:4px; fontSize:13; marginBottom:10px">'历年财务数据（单位：万元）'</h2>
    <table style="width:620px; fontSize:10; marginTop:8px">
      <tr>
        <th style="backgroundColor:#7B1FA2; color:white; padding:6px; textAlign:left">'财务指标'</th>
        <th style="backgroundColor:#7B1FA2; color:white; padding:6px; textAlign:right">'2020年'</th>
        <th style="backgroundColor:#7B1FA2; color:white; padding:6px; textAlign:right">'2021年'</th>
        <th style="backgroundColor:#7B1FA2; color:white; padding:6px; textAlign:right">'2022年'</th>
        <th style="backgroundColor:#7B1FA2; color:white; padding:6px; textAlign:right">'2023年'</th>
        <th style="backgroundColor:#7B1FA2; color:white; padding:6px; textAlign:right">'增长率'</th>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'营业收入'</td>
        <td style="padding:5px; textAlign:right">'8,560'</td>
        <td style="padding:5px; textAlign:right">'12,340'</td>
        <td style="padding:5px; textAlign:right">'18,920'</td>
        <td style="padding:5px; textAlign:right">'25,680'</td>
        <td style="padding:5px; textAlign:right; color:#7B1FA2; bold:true">'+44.2%'</td>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'净利润'</td>
        <td style="padding:5px; textAlign:right">'1,240'</td>
        <td style="padding:5px; textAlign:right">'2,150'</td>
        <td style="padding:5px; textAlign:right">'3,890'</td>
        <td style="padding:5px; textAlign:right">'5,420'</td>
        <td style="padding:5px; textAlign:right; color:#7B1FA2; bold:true">'+63.8%'</td>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'总资产'</td>
        <td style="padding:5px; textAlign:right">'15,800'</td>
        <td style="padding:5px; textAlign:right">'22,450'</td>
        <td style="padding:5px; textAlign:right">'31,200'</td>
        <td style="padding:5px; textAlign:right">'42,800'</td>
        <td style="padding:5px; textAlign:right; color:#7B1FA2; bold:true">'+39.5%'</td>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; bold:true">'净资产'</td>
        <td style="padding:5px; textAlign:right">'9,200'</td>
        <td style="padding:5px; textAlign:right">'13,800'</td>
        <td style="padding:5px; textAlign:right">'19,500'</td>
        <td style="padding:5px; textAlign:right">'26,400'</td>
        <td style="padding:5px; textAlign:right; color:#7B1FA2; bold:true">'+42.1%'</td>
      </tr>
      <tr>
        <td style="backgroundColor:#f3e5f5; padding:5px; textAlign:left; borderTop:2px solid #7B1FA2; bold:true">'毛利率'</td>
        <td style="padding:5px; textAlign:right; borderTop:2px solid #7B1FA2; bold:true">'42.5%'</td>
        <td style="padding:5px; textAlign:right; borderTop:2px solid #7B1FA2; bold:true">'45.8%'</td>
        <td style="padding:5px; textAlign:right; borderTop:2px solid #7B1FA2; bold:true">'48.2%'</td>
        <td style="padding:5px; textAlign:right; borderTop:2px solid #7B1FA2; bold:true">'51.6%'</td>
        <td style="padding:5px; textAlign:right; borderTop:2px solid #7B1FA2; color:#7B1FA2; bold:true">'+9.1%'</td>
      </tr>
    </table>
  </div>

  <div style="marginBottom:18px">
    <h2 style="color:#7B1FA2; borderBottom:1px solid #7B1FA2; paddingBottom:4px; fontSize:13; marginBottom:10px">'关键经营指标'</h2>
    <div style="display:flex; marginBottom:10px">
      <div style="width:24px; paddingTop:4px">
        <div style="width:12px; height:12px; borderRadius:6px; backgroundColor:#9C27B0"></div>
      </div>
      <p style="width:570px; fontSize:11; margin:0">'营收增长率:连续三年保持40%以上增长，2023年达到25,680万元'</p>
    </div>
    <div style="display:flex; marginBottom:10px">
      <div style="width:24px; paddingTop:4px">
        <div style="width:12px; height:12px; borderRadius:6px; backgroundColor:#9C27B0"></div>
      </div>
      <p style="width:570px; fontSize:11; margin:0">'利润率提升:净利率从14.5%提升至21.1%，盈利能力显著增强'</p>
    </div>
    <div style="display:flex; marginBottom:10px">
      <div style="width:24px; paddingTop:4px">
        <div style="width:12px; height:12px; borderRadius:6px; backgroundColor:#9C27B0"></div>
      </div>
      <p style="width:570px; fontSize:11; margin:0">'研发投入:研发费用年均增长38.9%，占营收比例达13.3%'</p>
    </div>
    <div style="display:flex; marginBottom:10px">
      <div style="width:24px; paddingTop:4px">
        <div style="width:12px; height:12px; borderRadius:6px; backgroundColor:#9C27B0"></div>
      </div>
      <p style="width:570px; fontSize:11; margin:0">'人才结构:技术研发人员占比42%，硕士以上学历占35%'</p>
    </div>
    <div style="display:flex; marginBottom:10px">
      <div style="width:24px; paddingTop:4px">
        <div style="width:12px; height:12px; borderRadius:6px; backgroundColor:#9C27B0"></div>
      </div>
      <p style="width:570px; fontSize:11; margin:0">'客户质量:服务15家上市公司，客户续约率92%，大客户满意度4.8/5.0'</p>
    </div>
    <div style="display:flex; marginBottom:10px">
      <div style="width:24px; paddingTop:4px">
        <div style="width:12px; height:12px; borderRadius:6px; backgroundColor:#9C27B0"></div>
      </div>
      <p style="width:570px; fontSize:11; margin:0">'资产质量:资产负债率维持在38%左右，流动比率2.8，偿债能力良好'</p>
    </div>
  </div>

  <div style="marginBottom:18px">
    <h2 style="color:#7B1FA2; borderBottom:1px solid #7B1FA2; paddingBottom:4px; fontSize:13; marginBottom:10px">'信用评级多维雷达图'</h2>
    <div style="display:flex; justifyContent:center">
      <svg style="width:480px;height:400px">${svg}</svg>
    </div>
    <div style="display:flex; justifyContent:center; marginTop:10px">
      <p style="width:150px; fontSize:10; color:#7B1FA2; margin:0">'财务状况(90分): 营收稳定增长'</p>
      <p style="width:150px; fontSize:10; color:#7B1FA2; margin:0">'经营能力(95分): 客户留存率高'</p>
      <p style="width:150px; fontSize:10; color:#7B1FA2; margin:0">'偿债能力(85分): 负债率合理'</p>
      <p style="width:150px; fontSize:10; color:#7B1FA2; margin:0">'发展潜力(92分): 研发投入增加'</p>
    </div>
  </div>

  <div style="marginBottom:18px; background:linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%); borderRadius:10px; padding:16px">
    <h2 style="color:#4A148C; margin-top:0; fontSize:13; marginBottom:8px">'综合评价'</h2>
    <p style="fontSize:11; margin:0">
      '四川省泡海椒科技有限公司作为国家级高新技术企业和专精特新"小巨人"企业，在云计算和大数据领域表现出色。'
      '公司财务状况健康，经营能力突出，技术创新能力强，具备良好的发展潜力。信用评级为AAA级，展望稳定。'
    </p>
  </div>

  <div style="textAlignment:left; marginTop:18px; paddingTop:10px; borderTop:1px solid #e1bee7; color:#6a1b9a; fontSize:9">
    <p>'本报告依据公开信息和专业评估模型生成，仅供参考 | 报告生成时间: 2025年09月06日'</p>
    <p>'© 2023 企业信用评估中心 版权所有 | 认证编号: CE-2023-001'</p>
  </div>
</body>
</pdf>

Step 2 — the Java class

jquick-pdfx/src/test/java/com/github/paohaijiao/biz/report/JQuickCreditReport05RadarTest.java

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright (c) [2025-2099] Martin (goudingcheng@gmail.com)
 */
package com.github.paohaijiao.biz.report;

import com.github.paohaijiao.JOption;
import com.github.paohaijiao.JRadar;
import com.github.paohaijiao.code.JSeriesType;
import com.github.paohaijiao.code.JTrigger;
import com.github.paohaijiao.config.JPdfConfig;
import com.github.paohaijiao.demo.constant.JQuickConstant;
import com.github.paohaijiao.enums.JChartType;
import com.github.paohaijiao.executor.JQuickPdfFactory;
import com.github.paohaijiao.factory.JChartRendererFactory;
import com.github.paohaijiao.series.JRadarSeries;
import org.junit.Test;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * 统一信用报告 —— 风格 05：雷达图（紫色）
 *
 * <p>以 {@code report/credit_report_05_radar.txt} 为模板，把雷达图渲染成 SVG 后
 * 绑定到模板中的 {@code ${svg}} 占位符，输出到 {@code D:\test\creditreport\05_radar.pdf}。</p>
 *
 * @author Martin
 * @version 1.0.0
 */
public class JQuickCreditReport05RadarTest {

    public static final String path = JQuickConstant.path;

    @Test
    public void report05Radar() throws IOException {
        JOption option = new JOption();
        option.title().text("信用评级多维评估").subtext("各维度得分（满分100）");
        option.tooltip().trigger(JTrigger.item);
        JRadar radar = new JRadar();
        radar.indicator(
                new JRadar.Indicator().name("偿债能力").max(100),
                new JRadar.Indicator().name("盈利能力").max(100),
                new JRadar.Indicator().name("运营能力").max(100),
                new JRadar.Indicator().name("成长能力").max(100),
                new JRadar.Indicator().name("现金流").max(100),
                new JRadar.Indicator().name("信用历史").max(100)
        );
        option.radar(radar);
        JRadarSeries current = new JRadarSeries();
        current.name("本期评分").type(JSeriesType.radar).data(88, 92, 85, 95, 80, 90);
        JRadarSeries last = new JRadarSeries();
        last.name("上期评分").type(JSeriesType.radar).data(82, 85, 80, 88, 76, 86);
        option.series(current, last);

        String svg = JChartRendererFactory.renderChart(JChartType.RADAR, option);

        File dir = new File(path + "creditreport");
        if (!dir.exists()) {
            dir.mkdirs();
        }
        FileOutputStream fileOutputStream = new FileOutputStream(path + "creditreport/05_radar.pdf");
        JPdfConfig config = new JPdfConfig();
        // 开启 flex 行布局：图表与其右侧的指标说明面板在宽度允许时并排，而不是换行堆叠。
        config.getLayoutConfig().setFlexLayout(true);
        JQuickPdfFactory factory = new JQuickPdfFactory(config);
        factory.bind("svg", svg);
        byte[] bytes = factory.executeResource("report/credit_report_05_radar.txt");
        fileOutputStream.write(bytes);
        fileOutputStream.close();
    }
}

Step 3 — run it

The class is a JUnit test, so run it with Maven:

mvn -pl jquick-pdfx test -Dtest=JQuickCreditReport05RadarTest

…or call the test method from a main wrapper if you want a plain entry point:

public static void main(String[] args) throws Exception {
    new JQuickCreditReport05RadarTest().report05Radar();
}

Output: D:/test/creditreport/05_radar.pdf

How it works

Binding a chart SVG into the template

The chart is not a bitmap — JChartRendererFactory.renderChart(...) returns an SVG string, and the template embeds it with a single <svg> element bound to ${svg}. That means the chart stays vector-sharp at any zoom level, and it participates in normal flow layout instead of being stamped on top of the page.

Declare only the width on <svg>; the height is derived from the chart's aspect ratio, so the chart never stretches vertically.
Open config.getLayoutConfig().setFlexLayout(true) if the template centers the chart with display:flex.
Bind the SVG string with factory.bind("svg", svg) — bind() is pure data injection and never re-parses markup.

String svg = JChartRendererFactory.renderChart(JChartType.LINE, option);
JQuickPdfFactory factory = new JQuickPdfFactory(config);
factory.bind("svg", svg);
byte[] bytes = factory.executeResource(TEMPLATE);

Making the table fill the text area

Tables default to content width, which leaves a ragged right margin on a formal document. Setting width:100% on the <table> makes it span the full text area; percentage widths on the first row's cells then distribute the remaining space across columns.

Set width:100% on <table> and give explicit widths only to the leading columns.
Label columns need around 100px so labels like Taxpayer ID do not wrap.
Leave the last column without a width so it absorbs rounding remainder.

<table style="width:100%; fontSize:9pt">
  <tr>
    <td style="width:100px; padding:5px">'Taxpayer ID'</td>
    <td style="padding:5px">${taxNo}</td>
  </tr>
</table>

Template syntax cheat sheet

Syntax	Meaning
`${var}`	An expression. It must sit outside the quotes: `'No: '${docNo}`.
`<table style="width:100%">`	Spans the full text area; give explicit widths only to the leading columns.
`<areaBreak></areaBreak>`	Force the next block onto a fresh page (CSS page-break is not supported).
`<image src='D:/.../x.png'>`	Embed an image. `src` is a raw path — it is not evaluated as an expression.
`<svg style="width:479pt">${svg}</svg>`	Embed a vector chart produced by `JChartRendererFactory`.

Gotchas worth remembering

${var} must sit outside single quotes — 'No: ${docNo}' prints the placeholder literally.
<image src="..."> never evaluates ${...}; write a literal path.
A <td> holds text only — nested <p>, <image> or <table> is dropped.
There is no colspan; emit one <td> per column and use '—' as filler.

Output

Wrap up

You now have a template file, a Java class and a PDF — all three reproducible from a clean clone. Swap the placeholder blocks for real data (or for real seal images) and the layout does not move.

Series navigation: ← #4 Pie Chart: Breaking Down the Credit Rating Composition　·　#6 Comparing Two Scoring Models with a Double Radar Chart →

Full index: README.md　·　Source: jquick-pdf

Appendix — files in this demo

Role	Path
Java class	`jquick-pdfx/src/test/java/com/github/paohaijiao/biz/report/JQuickCreditReport05RadarTest.java`
Template	`jquick-pdfx/src/test/resources/report/credit_report_05_radar.txt`
Output PDF	`D:/test/creditreport/05_radar.pdf`
Preview image	`images/05.png`

DEV Community

Radar Chart for a Multi-Dimensional Borrower Profile

Radar Chart for a Multi-Dimensional Borrower Profile

What you'll build

Prerequisites

Step 1 — the template file

Step 2 — the Java class

Step 3 — run it

How it works

Binding a chart SVG into the template

Making the table fill the text area

Template syntax cheat sheet

Gotchas worth remembering

Output

Wrap up

Appendix — files in this demo

Top comments (0)