使用Jmeter JavaSampler发送java请求

    <properties>
        <jmeter.version>5.0</jmeter.version>
    </properties>

        <!--JMeter-->
        <dependency>
            <groupId>org.apache.jmeter</groupId>
            <artifactId>ApacheJMeter_core</artifactId>
            <version>${jmeter.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>httpclient</artifactId>
                    <groupId>org.apache.httpcomponents</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.jmeter</groupId>
            <artifactId>ApacheJMeter_java</artifactId>
            <version>${jmeter.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>httpclient</artifactId>
                    <groupId>org.apache.httpcomponents</groupId>
                </exclusion>
            </exclusions>
        </dependency>

package jmerterDubbo;


import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.apache.jmeter.config.Arguments;
import org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;
import org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;
import org.apache.jmeter.samplers.SampleResult;
import util.HttpUtil;

/**
 * Create by shenpengfei on 2019/1/24 11:34
 */
public class jmeterDemo extends AbstractJavaSamplerClient {

    /**
     * 这个方法是用来自定义java方法入参的
     * params.addArgument("num1","");表示入参名字叫num1，默认值为空。
     * @return
     */
    @Override
    public Arguments getDefaultParameters() {
        Arguments params = new Arguments();
        params.addArgument("url", "");
        return params;
    }

    /**
     * 每个线程测试前执行一次，做一些初始化工作
     * 获取输入的参数,赋值给变量
     * @param arg0
     */
    @Override
    public void setupTest(JavaSamplerContext arg0) {
        System.out.println("Test Start...");
    }

    /**
     * 真正执行逻辑的方法
     * @param javaSamplerContext
     * @return
     */
    @Override
    public SampleResult runTest(JavaSamplerContext javaSamplerContext) {

        SampleResult sr = new SampleResult();
        //获取之前的请求参数
        String url = javaSamplerContext.getParameter("url");

        sr.setSamplerData("request url:"+url);

        try {
            // jmeter 开始统计响应时间标记
            sr.sampleStart();
            HttpResponse res = HttpUtil.doGet(url);
            String resultData = EntityUtils.toString(res.getEntity(),"utf-8");
            sr.setResponseData(resultData,"utf-8");
            sr.setDataType(SampleResult.TEXT);
            System.out.println(resultData);

            //返回正确
            sr.setSuccessful(true);

        }  catch (Throwable e) {
            sr.setSuccessful(false);
            e.printStackTrace();
        } finally {
            // jmeter 结束统计响应时间标记
            sr.sampleEnd();
        }
        return sr;
    }

    /**
     * 测试结束后调用
     * @param arg0
     */
    @Override
    public void teardownTest(JavaSamplerContext arg0) {
        System.out.println("Test End...");
    }

}