企业网站建设网页,phpcms 网站模板,wordpress 前台投稿,网站幻灯片效果需求#xff1a; 后端根据数据自动生成2个图片#xff0c;然后把两张图片合并成一张图片#xff0c;再发到钉钉群里#xff0c;涉及到定时生成和推送#xff0c;当时我们测试同事说他们写定时脚本放到服务器上#xff0c;然后让我提供生成图片的方法和钉钉机器人的逻辑 天… 需求 后端根据数据自动生成2个图片然后把两张图片合并成一张图片再发到钉钉群里涉及到定时生成和推送当时我们测试同事说他们写定时脚本放到服务器上然后让我提供生成图片的方法和钉钉机器人的逻辑 天下文字一大抄集各位大佬精华最后成果如下 依赖 ?xml version1.0 encodingUTF-8?
project xmlnshttp://maven.apache.org/POM/4.0.0 xmlns:xsihttp://www.w3.org/2001/XMLSchema-instancexsi:schemaLocationhttp://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsdmodelVersion4.0.0/modelVersionparentgroupIdorg.springframework.boot/groupIdartifactIdspring-boot-starter-parent/artifactIdversion2.6.6/versionrelativePath/ !-- lookup parent from repository --/parentgroupIdcom.example/groupIdartifactIddemo/artifactIdversion0.0.1-SNAPSHOT/versionnameimagedemo/namedescriptionDemo project for Spring Boot/descriptionpropertiesjava.version8/java.version/propertiesdependenciesdependencygroupIdorg.springframework.boot/groupIdartifactIdspring-boot-starter/artifactId/dependencydependencygroupIdorg.springframework.boot/groupIdartifactIdspring-boot-starter-test/artifactIdscopetest/scope/dependency!--柱状图制作引入--dependencygroupIdorg.jfree/groupIdartifactIdjfreechart/artifactIdversion1.0.19/version/dependency!--oss引入--dependencygroupIdcom.aliyun.oss/groupIdartifactIdaliyun-sdk-oss/artifactIdversion3.15.1/version/dependencydependencygroupIdorg.projectlombok/groupIdartifactIdlombok/artifactIdversion1.18.22/version/dependency!--钉钉机器人引入--dependencygroupIdcom.aliyun/groupIdartifactIdalibaba-dingtalk-service-sdk/artifactIdversion2.0.0/version/dependency!--常用工具类--dependencygroupIdcn.hutool/groupIdartifactIdhutool-all/artifactIdversion5.8.20/version/dependency/dependenciesbuildpluginsplugingroupIdorg.springframework.boot/groupIdartifactIdspring-boot-maven-plugin/artifactId/plugin/plugins/build/project配置 server:port: 9111#oss配置
aliyun:oss:enable: truename: aliossaccessKey: xxxsecretKey: xxxbucketName: xxxendpoint: xxxpathPrefix: xxx #生成图片所在的文件夹
#钉钉机器人
sys:pe:dingtalk:robotMsgUrl: xxxurlsecret: xxx 配置类 package com.example.demo.config;import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;Data
Component
ConfigurationProperties(prefix sys.pe.dingtalk)
public class DingTalkConfig {private String robotMsgUrl; //系统预警机器人推送群地址private String secret; //系统预警机器人推送群地址
}package com.example.demo.config;import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;Data
Component
ConfigurationProperties(prefix aliyun.oss)
public class OssConfig {private String endpoint;private String accessKey;private String secretKey;private String bucketName; //桶名称private String pathPrefix; //生成文件路径前缀}module【除serie外另外一个根据自己需求自行确定是否要用】 package com.example.demo.model;import java.io.Serializable;
import java.util.Vector;/*** author zsl0* created on 2023/7/6 17:51*/
public class Serie implements Serializable {private static final long serialVersionUID 1L;private String name;// 名字private VectorObject data;// 数据值public Serie() {}/**** param name* 名称线条名称* param data* 数据线条上的所有数据值*/public Serie(String name, VectorObject data) {this.name name;this.data data;}/**** param name* 名称线条名称* param array* 数据线条上的所有数据值*/public Serie(String name, Object[] array) {this.name name;if (array ! null) {data new VectorObject(array.length);for (int i 0; i array.length; i) {data.add(array[i]);}}}public String getName() {return name;}public void setName(String name) {this.name name;}public VectorObject getData() {return data;}public void setData(VectorObject data) {this.data data;}}
package com.example.demo.model;import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;Data
AllArgsConstructor
NoArgsConstructor
Builder
public class SystemApiCount {private String systemName;private Integer count;
}生成图片util package com.example.demo.utils;import com.example.demo.model.Serie;
import lombok.extern.slf4j.Slf4j;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.DefaultDrawingSupplier;
import org.jfree.chart.plot.PieLabelLinkStyle;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.StandardBarPainter;
import org.jfree.chart.renderer.xy.StandardXYBarPainter;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.RectangleInsets;import java.awt.*;
import java.util.Vector;/*** Jfreechart工具类* p* 解决中午乱码问题br* 用来创建类别图表数据集、创建饼图数据集、时间序列图数据集br* 用来对柱状图、折线图、饼图、堆积柱状图、时间序列图的样式进行渲染br* 设置X-Y坐标轴样式* p** author chenchangwen* since:2014-2-18*/
Slf4j
public class ChartUtil {private static String NO_DATA_MSG 数据加载失败;private static Font FONT new Font(宋体, Font.PLAIN, 12);
// public static Color[] CHART_COLORS {
// new Color(22, 102, 149), new Color(92, 92, 97), new Color(144, 237, 125), new Color(255, 188, 117),
// new Color(60, 142, 116), new Color(255, 117, 153), new Color(253, 236, 109), new Color(128, 133, 232),
// new Color(43, 66, 147), new Color(255, 204, 102)};// 颜色public static Color[] CHART_COLORS {new Color(12, 250, 194, 195), new Color(16, 161, 246), new Color(22, 102, 149)};// 颜色static {setChartTheme();}public ChartUtil() {}/*** 中文主题样式 解决乱码*/private static void setChartTheme() {// 设置中文主题样式 解决乱码StandardChartTheme chartTheme new StandardChartTheme(CN);// 设置标题字体chartTheme.setExtraLargeFont(FONT);// 设置图例的字体chartTheme.setRegularFont(FONT);// 设置轴向的字体chartTheme.setLargeFont(FONT);chartTheme.setSmallFont(FONT);chartTheme.setTitlePaint(new Color(51, 51, 51));chartTheme.setSubtitlePaint(new Color(85, 85, 85));chartTheme.setLegendBackgroundPaint(Color.WHITE);// 设置标注chartTheme.setLegendItemPaint(Color.BLACK);//chartTheme.setChartBackgroundPaint(Color.WHITE);// 绘制颜色绘制颜色.轮廓供应商// paintSequence,outlinePaintSequence,strokeSequence,outlineStrokeSequence,shapeSequencePaint[] OUTLINE_PAINT_SEQUENCE new Paint[]{Color.WHITE};// 绘制器颜色源DefaultDrawingSupplier drawingSupplier new DefaultDrawingSupplier(CHART_COLORS, CHART_COLORS, OUTLINE_PAINT_SEQUENCE,DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE,DefaultDrawingSupplier.DEFAULT_SHAPE_SEQUENCE);chartTheme.setDrawingSupplier(drawingSupplier);chartTheme.setPlotBackgroundPaint(Color.WHITE);// 绘制区域chartTheme.setPlotOutlinePaint(Color.WHITE);// 绘制区域外边框chartTheme.setLabelLinkPaint(new Color(8, 55, 114));// 链接标签颜色chartTheme.setLabelLinkStyle(PieLabelLinkStyle.CUBIC_CURVE);chartTheme.setAxisOffset(new RectangleInsets(5, 12, 5, 12));chartTheme.setDomainGridlinePaint(new Color(192, 208, 224));// X坐标轴垂直网格颜色chartTheme.setRangeGridlinePaint(new Color(192, 192, 192));// Y坐标轴水平网格颜色chartTheme.setBaselinePaint(Color.WHITE);chartTheme.setCrosshairPaint(Color.BLUE);// 不确定含义chartTheme.setAxisLabelPaint(new Color(51, 51, 51));// 坐标轴标题文字颜色chartTheme.setTickLabelPaint(new Color(67, 67, 72));// 刻度数字chartTheme.setBarPainter(new StandardBarPainter());// 设置柱状图渲染chartTheme.setXYBarPainter(new StandardXYBarPainter());// XYBar 渲染chartTheme.setItemLabelPaint(Color.black);chartTheme.setThermometerPaint(Color.white);// 温度计ChartFactory.setChartTheme(chartTheme);}/*** 创建类别数据集合*/public static DefaultCategoryDataset createDefaultCategoryDataset(VectorSerie series, String[] categories) {DefaultCategoryDataset dataset new DefaultCategoryDataset();for (Serie serie : series) {String name serie.getName();VectorObject data serie.getData();if (data ! null categories ! null data.size() categories.length) {for (int index 0; index data.size(); index) {String value data.get(index) null ? : data.get(index).toString();if (isPercent(value)) {value value.substring(0, value.length() - 1);}if (isNumber(value)) {dataset.setValue(Double.parseDouble(value), name, categories[index]);}}}}return dataset;}/*** 设置柱状图渲染** param plot 绘图* param isShowDataLabels*/public static void setBarRenderer(CategoryPlot plot, boolean isShowDataLabels) {plot.setNoDataMessage(NO_DATA_MSG);plot.setInsets(new RectangleInsets(10, 20, 5, 20));// 设置柱状图样式BarRenderer renderer (BarRenderer) plot.getRenderer();renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());//设置每个柱子之间的距离【柱子之间的距离和柱子的最大宽度以及你生成的图片的宽度这三个参数应该挺有关系会影响展示】renderer.setItemMargin(-3);renderer.setMaximumBarWidth(0.015);// 设置柱子最大宽度for (int i 0; i CHART_COLORS.length; i) {// 设置柱子颜色renderer.setSeriesPaint(i, CHART_COLORS[i]);}renderer.setShadowVisible(false); // 去除阴影效果// 设置轴样式jfCategoryAxis domainAxis plot.getDomainAxis();domainAxis.setTickLabelFont(new Font(宋体, Font.PLAIN, 14)); // 设置X轴上提示文字样式domainAxis.setLabelFont(new Font(宋体, Font.PLAIN, 15)); // 设置X轴下的标签文字domainAxis.setTickLabelInsets(new RectangleInsets(10, 20, 5, 20));
// domainAxis.setTickMarksVisible(false); // 坐标轴标尺不显示
// domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); //X轴刻度倾斜45度NumberAxis rangeAxis (NumberAxis) plot.getRangeAxis();rangeAxis.setTickLabelFont(new Font(宋体, Font.PLAIN, 14)); // 设置Y轴的提示文字样式rangeAxis.setLabelFont(new Font(宋体, Font.PLAIN, 15));rangeAxis.setTickLabelsVisible(false); //y轴数值不显示plot.setRangeGridlinesVisible(false); //数据轴网格不显示
// rangeAxis.setLowerMargin(0.35); // 设置最低的一个 Item 与图片底端的距离
// rangeAxis.setUpperMargin(0.45); // 设置最高的一个 Item 与图片顶端的距离
// rangeAxis.setUpperBound(8000.0); // 设置Y轴的最大值if (isShowDataLabels) {renderer.setBaseItemLabelsVisible(true);}setXAixs(plot);setYAixs(plot);}/*** 设置类别图表(CategoryPlot) X坐标轴线条颜色和样式** param plot 绘图*/private static void setXAixs(CategoryPlot plot) {Color lineColor new Color(31, 121, 170);plot.getDomainAxis().setAxisLinePaint(lineColor);// X坐标轴颜色plot.getDomainAxis().setTickMarkPaint(lineColor);// X坐标轴标记|竖线颜色}/*** 设置类别图表(CategoryPlot) Y坐标轴线条颜色和样式 同时防止数据无法显示** param plot 绘图*/private static void setYAixs(CategoryPlot plot) {Color lineColor new Color(192, 208, 224);ValueAxis axis plot.getRangeAxis();axis.setAxisLinePaint(lineColor);// Y坐标轴颜色axis.setTickMarkPaint(lineColor);// Y坐标轴标记|竖线颜色// 隐藏Y刻度axis.setAxisLineVisible(false);axis.setTickMarksVisible(false);// Y轴网格线条plot.setRangeGridlinePaint(new Color(192, 192, 192));plot.setRangeGridlineStroke(new BasicStroke(1));plot.getRangeAxis().setUpperMargin(0.1);// 设置顶部Y坐标轴间距,防止数据无法显示plot.getRangeAxis().setLowerMargin(0.1);// 设置底部Y坐标轴间距}/*** 是不是一个%形式的百分比** param str* return*/private static boolean isPercent(String str) {return str ! null ? str.endsWith(%) isNumber(str.substring(0, str.length() - 1)) : false;}/*** 是不是一个数字** param str* return*/private static boolean isNumber(String str) {return str ! null ? str.matches(^[-]?(([0-9])((([.]{0})([0-9]*))|(([.]{1})([0-9]))))$) : false;}}阿里云oss上传util package com.example.demo.utils;import cn.hutool.core.date.DatePattern;
import cn.hutool.core.date.DateUtil;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.example.demo.config.OssConfig;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Date;
import java.util.UUID;Slf4j
Configuration
public class OssUploadUtil {public static String uploadImage(String filPath, OssConfig ossConfig) throws IOException {OSS ossClient null;InputStream inputStream null;try {// 创建OSSClient实例。ossClient new OSSClientBuilder().build(ossConfig.getEndpoint(), ossConfig.getAccessKey(), ossConfig.getSecretKey());//生成任意文件名称UUID uuid UUID.randomUUID();String imagePath ossConfig.getPathPrefix() / DateUtil.format(new Date(System.currentTimeMillis()), DatePattern.NORM_DATE_PATTERN) / uuid .png;// 数据流inputStream new FileInputStream(filPath);// 填写Bucket名称和Object完整路径。Object完整路径中不能包含Bucket名称。ossClient.putObject(ossConfig.getBucketName(), imagePath, inputStream);String key imagePath;System.out.println(imagePath imagePath);//因为申请公司内的阿里云oss桶的时候oss生成的图片所在的文件夹权限继承于桶那么生成这个链接之后就不能被公网访问当时公司要求文件夹权限或图片权限不能改成公共读所以就采用了生成的url链接拼接有效期的形式Date expiration new Date(new Date().getTime() 1000 * 60 * 60 * 24 * 365); //设置从此刻开始一年有效URL url ossClient.generatePresignedUrl(ossConfig.getBucketName(), key, expiration);return url.toString();} catch (Exception e) {log.error(sso upload error, e);} finally {// 关闭OSSClient和数据流【一定要关闭否则会失败】if (ossClient ! null) ossClient.shutdown();if (inputStream ! null) inputStream.close();}return ;}}钉钉机器人uitl package com.example.demo.utils;import com.dingtalk.api.DefaultDingTalkClient;
import com.dingtalk.api.DingTalkClient;
import com.dingtalk.api.request.OapiRobotSendRequest;
import com.dingtalk.api.response.OapiRobotSendResponse;
import com.example.demo.config.DingTalkConfig;
import com.taobao.api.ApiException;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.binary.Base64;import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.net.URLEncoder;Slf4j
public class DingTalkUtil {/*** 图片语法** param phone*/public static void sendRobotMessage(String phone, String imageUrl, DingTalkConfig dingTalkConfig) throws Exception {try {Long timestamp System.currentTimeMillis();String sign getSign(dingTalkConfig.getSecret(), timestamp);DingTalkClient client new DefaultDingTalkClient(dingTalkConfig.getRobotMsgUrl() sign sign timestamp timestamp);OapiRobotSendRequest request new OapiRobotSendRequest();request.setMsgtype(markdown);OapiRobotSendRequest.Markdown markdown new OapiRobotSendRequest.Markdown();markdown.setTitle(测试图片);
// markdown.setText( phone \n
// );markdown.setText();request.setMarkdown(markdown);//全体如果要单独几个人再去看钉钉机器人推送相关文档OapiRobotSendRequest.At at new OapiRobotSendRequest.At();
// at.setAtUserIds(Arrays.asList(userId));
// isAtAll类型如果不为Boolean请升级至最新SDKat.setIsAtAll(Boolean.TRUE);request.setAt(at);OapiRobotSendResponse response client.execute(request);System.out.println(response.getBody());} catch (ApiException e) {e.printStackTrace();}}//钉钉机器人推送设置加签方式推送public static String getSign(String secret, Long timestamp) throws Exception {String stringToSign timestamp \n secret;Mac mac Mac.getInstance(HmacSHA256);mac.init(new SecretKeySpec(secret.getBytes(UTF-8), HmacSHA256));byte[] signData mac.doFinal(stringToSign.getBytes(UTF-8));String sign URLEncoder.encode(new String(Base64.encodeBase64(signData)), UTF-8);return sign;}
}图片合并util package com.example.demo.utils;import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;public class ImageConnectUtil {//图片垂直合并public static void connectImageWidthVertical(String topImagePath, String bottomImagePath, String targetImagePath) throws IOException {BufferedImage topBufImage ImageIO.read(new File(topImagePath));BufferedImage bottomBufImage ImageIO.read(new File(bottomImagePath));int connImageWidth Math.max(topBufImage.getWidth(), bottomBufImage.getHeight()); //目标图片宽度int connImageHeight topBufImage.getHeight() bottomBufImage.getHeight() 40; //目标图片高度第一个图片高度第二个图片高度两个图片之间间距BufferedImage connImage new BufferedImage(connImageWidth, connImageHeight, BufferedImage.TYPE_INT_RGB);Graphics connGraphics connImage.getGraphics();connGraphics.fillRect(0, 0, connImageWidth, connImageHeight); //设置目标图片底部为白色connGraphics.setColor(Color.white);//第一张图左上角坐标为(0, 0)connGraphics.drawImage(topBufImage, 0, 0, null);connGraphics.drawImage(bottomBufImage, 0, topBufImage.getHeight() 40, null); //第二张图片在第一章图片40px高的位置下边String targetFileName targetImagePath.split(\\.)[1];ImageIO.write(connImage, targetFileName, new File(targetImagePath));}} 测试类 package com.example.demo;import cn.hutool.core.date.DatePattern;
import cn.hutool.core.date.DateUtil;
import com.example.demo.config.DingTalkConfig;
import com.example.demo.config.OssConfig;
import com.example.demo.model.Serie;
import com.example.demo.model.SystemApiCount;
import com.example.demo.utils.ChartUtil;
import com.example.demo.utils.DingTalkUtil;
import com.example.demo.utils.ImageConnectUtil;
import com.example.demo.utils.OssUploadUtil;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.block.BlockBorder;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.RectangleEdge;
import org.jfree.ui.RectangleInsets;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;import java.awt.*;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.*;
import java.util.stream.Collectors;SpringBootTest
public class TestImageJF {Autowiredprivate DingTalkConfig dingTalkConfig;Autowiredprivate OssConfig ossConfig;Testpublic void testCreateImage() throws Exception {String fileName1 UUID.randomUUID().toString();//创建image文件夹String dirPath createFolder(image) File.separator fileName1 .png;System.out.println(dirPath dirPath);//获取创建的图片地址1createImage(dirPath);//获取创建的图片地址2String dirPath2 createFolder(image) File.separator fileName1 .png;createImage(dirPath2);//合并图片1和图片2String dirPath3 createFolder(image) File.separator fileName1 .png;ImageConnectUtil.connectImageWidthVertical(dirPath, dirPath2, dirPath3);//sso上传图片获得公网下的图片urlString uploadUrl OssUploadUtil.uploadImage(dirPath3, ossConfig);System.out.println(uploadUrl uploadUrl);//钉钉上传图片//钉钉机器人发送图片消息String phone 19890909090;DingTalkUtil.sendRobotMessage(phone, uploadUrl, dingTalkConfig);//删除在项目中生成的图片deleteFile(dirPath);deleteFile(dirPath2);deleteFile(dirPath3);}//生成image文件夹public String createFolder(String folderName) {String path System.getProperty(user.dir);//create folderString dirPath path File.separator folderName;File dir new File(dirPath);dir.mkdirs();return dirPath;}//删除图片private void deleteFile(String filePath) {File file new File(filePath);if (file.isFile() file.exists()) {boolean delete file.delete();System.out.println(delete delete);}}public void createImage(String fileLocation) throws IOException {FileOutputStream fileOutputStream null;try {//获取所有系统的接口数量ListSystemApiCount systemApiCounts new ArrayList();int count 900;String prefix xx中心;for (int i 0; i 16; i) {systemApiCounts.add(SystemApiCount.builder().systemName(prefix i).count(count).build());count - 50;}//获取所有系统的执行用例数ListSystemApiCount systemUseCaseExecCounts new ArrayList();int useCaseCount 900;for (int i 0; i 16; i) {systemUseCaseExecCounts.add(SystemApiCount.builder().systemName(prefix i).count(useCaseCount).build());useCaseCount - 50;}//获取所有系统的失败用例数ListSystemApiCount failUseCaseExecCounts new ArrayList();int failedUseCaseCount 900;for (int i 0; i 16; i) {failUseCaseExecCounts.add(SystemApiCount.builder().systemName(prefix i).count(failedUseCaseCount).build());failedUseCaseCount - 50;}// // 创建数据系列ListString systemName systemApiCounts.stream().map(SystemApiCount::getSystemName).filter(Objects::nonNull).distinct().collect(Collectors.toList());//数据分别根据中心排序ListInteger apiCounts systemApiCounts.stream().sorted(Comparator.comparing(item - systemName.indexOf(item.getSystemName()))).map(SystemApiCount::getCount).collect(Collectors.toList());ListInteger useCaseExecCounts systemUseCaseExecCounts.stream().sorted(Comparator.comparing(item - systemName.indexOf(item.getSystemName()))).map(SystemApiCount::getCount).collect(Collectors.toList());ListInteger failUseCaseExecCountList failUseCaseExecCounts.stream().sorted(Comparator.comparing(item - systemName.indexOf(item.getSystemName()))).map(SystemApiCount::getCount).collect(Collectors.toList());Serie serie1 new Serie(调用接口数, new Vector(apiCounts));Serie serie2 new Serie(超时接口数, new Vector(useCaseExecCounts));Serie serie3 new Serie(失败接口数, new Vector(failUseCaseExecCountList));// 创建数据集DefaultCategoryDataset dataset ChartUtil.createDefaultCategoryDataset(new Vector(Arrays.asList(serie1, serie2, serie3)),systemName.toArray(new String[systemName.size()]));// 创建柱状图String title DateUtil.format(new Date(System.currentTimeMillis()), DatePattern.CHINESE_DATE_PATTERN) 系统接入接口监控情况;JFreeChart chart ChartFactory.createBarChart(title, // 图表标题, // X轴标题, // Y轴标题dataset, // 数据集PlotOrientation.VERTICAL,// 图表方向
// PlotOrientation.HORIZONTAL,// 图表方向true, // 是否显示图例true, // 是否生成工具提示false // 是否生成URL链接);chart.setTitle(new TextTitle(title, new Font(宋体, Font.BOLD, 20)));chart.getTitle().setMargin(18, 0, 0, 0);chart.getTitle().setPaint(Color.GREEN);chart.getLegend().setFrame(new BlockBorder(Color.WHITE));chart.getLegend().setPosition(RectangleEdge.TOP);//设置图例在顶部chart.getLegend().setItemFont(new Font(宋体, Font.PLAIN, 14)); //设置图例大小chart.getLegend().setItemLabelPadding(new RectangleInsets(2, 2, 2, 2)); //设置图例位置chart.getLegend().setMargin(18, 0, 0, 0); //这样就只是距离右边有距离 margin 18chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);chart.setBorderVisible(true); //设置图片边框显示chart.setBorderPaint(Color.BLACK); //图片边框颜色// StandardChartTheme standardChartTheme new StandardChartTheme(CN);
// //创建主题样式
// //设置标题字体
// standardChartTheme.setExtraLargeFont(new Font(隶书, Font.BOLD, 20));
// //设置图例的字体
// standardChartTheme.setRegularFont(new Font(宋书, Font.PLAIN, 15));
// //设置轴向的字体
// standardChartTheme.setLargeFont(new Font(宋书, Font.PLAIN, 15));
// //应用主题样式
// ChartFactory.setChartTheme(standardChartTheme);// 对柱状图进行样式渲染CategoryPlot plot chart.getCategoryPlot();ChartUtil.setBarRenderer(plot, true);fileOutputStream new FileOutputStream(fileLocation);//如果后续有其他中心接入数据增多的情况下可把宽高设置大点ChartUtilities.writeChartAsJPEG(fileOutputStream, 1.0f, chart,1850, 650, null);// 输出图表} catch (Exception e) {e.printStackTrace();} finally {if (fileOutputStream ! null) {fileOutputStream.close();}}}}
