使用MAVEN+Jacoco统计单元测试的代码覆盖率

< plugin >
    < groupId ></ groupId >
    < artifactId >maven-surefire-plugin</ artifactId >
    < configuration >
        < skip >false</ skip >
        < testFailureIgnore >true</ testFailureIgnore >
        < argLine >${surefireArgLine}</ argLine >
    </ configuration >
</ plugin >
< plugin >
    < groupId ></ groupId >
    < artifactId >jacoco-maven-plugin</ artifactId >
    < version >0.7.8</ version >
    < configuration >
        < destFile >${}/coverage-reports/</ destFile >
        < dataFile >${}/coverage-reports/</ dataFile >
        < skip >${skipTests}</ skip >
        < output >file</ output >
        < append >true</ append >
    </ configuration >
    < executions >
        < execution >
            < id >pre-unit-test</ id >
            < goals >
                < goal >prepare-agent</ goal >
            </ goals >
            < configuration >
                < propertyName >surefireArgLine</ propertyName >
            </ configuration >
        </ execution >
        < execution >
            < id >post-unit-test</ id >
            < phase >test</ phase >
            < goals >
                < goal >report</ goal >
            </ goals >
            < configuration >
                < outputDirectory >${}/jacoco-ut</ outputDirectory >
            </ configuration >
        </ execution >
    </ executions >
</ plugin >