jacoco统计server端功能测试覆盖率

<dependencies>
<!-- https://mvnrepository.com/artifact/org.jacoco/jacoco-maven-plugin -->
<dependency>
    <groupId>org.jacoco</groupId>
    <artifactId>jacoco-maven-plugin</artifactId>
    <version>0.7.9</version>
</dependency>
</dependencies>

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

import org.jacoco.core.analysis.Analyzer;
import org.jacoco.core.analysis.CoverageBuilder;
import org.jacoco.core.analysis.IBundleCoverage;
import org.jacoco.core.tools.ExecFileLoader;
import org.jacoco.report.DirectorySourceFileLocator;
import org.jacoco.report.FileMultiReportOutput;
import org.jacoco.report.IReportVisitor;
import org.jacoco.report.html.HTMLFormatter;
 
public class testjacoco {

    private final String title;

    private final File executionDataFile;
    private final File classesDirectory;
    private final File sourceDirectory;
    private final File reportDirectory;

    private ExecFileLoader execFileLoader;
    public testjacoco(final File projectDirectory ) {
        this.title = projectDirectory.getName();
        this.executionDataFile = new File(projectDirectory, "scfzzpostjacoco.exec");//覆盖率的exec文件地址
        this.classesDirectory = new File(projectDirectory, "/");//目录下必须包含源码编译过的class文件,用来统计覆盖率。所以这里用server打出的jar包地址即可
//        this.sourceDirectory =null;
        this.sourceDirectory = new File("/opt/RD_Code/server/zhuanzhuan_scf_zzpost_4-0-38_BRANCH/service/", "src/main/java");//源码的/src/main/java,只有写了源码地址覆盖率报告才能打开到代码层。使用jar只有数据结果
        this.reportDirectory = new File(projectDirectory, "coveragereport");//要保存报告的地址
    }

   
    public void create() throws IOException {
        loadExecutionData();
 
        final IBundleCoverage bundleCoverage = analyzeStructure();

        createReport(bundleCoverage);

    }

    private void createReport(final IBundleCoverage bundleCoverage)
            throws IOException {
        final HTMLFormatter htmlFormatter = new HTMLFormatter();
        final IReportVisitor visitor = htmlFormatter
                .createVisitor(new FileMultiReportOutput(reportDirectory));
 
        visitor.visitInfo(execFileLoader.getSessionInfoStore().getInfos(),
                execFileLoader.getExecutionDataStore().getContents());
        visitor.visitBundle(bundleCoverage, new DirectorySourceFileLocator(
                sourceDirectory, "utf-8", 4));
        visitor.visitEnd();

    }

    private void loadExecutionData() throws IOException {
        execFileLoader = new ExecFileLoader();
        execFileLoader.load(executionDataFile);
    }

    private IBundleCoverage analyzeStructure() throws IOException {
        final CoverageBuilder coverageBuilder = new CoverageBuilder();
        final Analyzer analyzer = new Analyzer(
                execFileLoader.getExecutionDataStore(), coverageBuilder);

        analyzer.analyzeAll(classesDirectory);

        return coverageBuilder.getBundle(title);
    }
 
    public static void main(final String[] args) throws IOException {
        testjacoco generator = new testjacoco(new File("/opt/RD_Code/server/untitled/"));//传递工程目录
            generator.create();
    }
}