jacoco获取exec和获取report

package org.jacoco.examples.expressions; 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("D:/coverage/jacoco-client.exec");//覆盖率的exec文件地址 这个就是刚才生成的文件,引用到就可以了 this.classesDirectory = new File("D:/java/t7/webapps/xxx/WEB-INF/classes");//目录下必须包含源码编译过的class文件,用来统计覆盖率.tomcat中的class文件地址 // this.sourceDirectory =null; this.sourceDirectory = new File("D:/work/xxx/src");//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("D:/work/xxx/jacoco_report");//要保存报告的地址,报告输出的地址 } 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("")); generator.create(); } }