如何在JMeter中打印响应时间

Question

问题陈述：我想使用 JMeter 中的 post 处理器在控制台上打印响应时间（请求所用的时间），该怎么做？

我尝试使用 JSR223 post 处理器，使用以下代码。

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.util.EntityUtils;
import org.apache.jmeter.samplers.SampleResult;


log.info("--------------->",sampleResult.getTime())

我得到

2021-11-09 15:56:55,632 ERROR o.a.j.e.JSR223PostProcessor: Problem in JSR223 script, JSR223 PostProcessor
javax.script.ScriptException: groovy.lang.MissingPropertyException: No such property: sampleResult for class: Script2
    at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:320) ~[groovy-jsr223-3.0.3.jar:3.0.3]
    at org.codehaus.groovy.jsr223.GroovyCompiledScript.eval(GroovyCompiledScript.java:71) ~[groovy-jsr223-3.0.3.jar:3.0.3]
    at javax.script.CompiledScript.eval(Unknown Source) ~[?:1.8.0_251]
    at org.apache.jmeter.util.JSR223TestElement.processFileOrScript(JSR223TestElement.java:222) ~[ApacheJMeter_core.jar:5.3]
    at org.apache.jmeter.extractor.JSR223PostProcessor.process(JSR223PostProcessor.java:45) [ApacheJMeter_components.jar:5.3]
    at org.apache.jmeter.threads.JMeterThread.runPostProcessors(JMeterThread.java:940) [ApacheJMeter_core.jar:5.3]
    at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:572) [ApacheJMeter_core.jar:5.3]
    at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:489) [ApacheJMeter_core.jar:5.3]
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:256) [ApacheJMeter_core.jar:5.3]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]
Caused by: groovy.lang.MissingPropertyException: No such property: sampleResult for class: Script2
    at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:65) ~[groovy-3.0.3.jar:3.0.3]
    at org.codehaus.groovy.runtime.callsite.PogoGetPropertySite.getProperty(PogoGetPropertySite.java:51) ~[groovy-3.0.3.jar:3.0.3]
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:341) ~[groovy-3.0.3.jar:3.0.3]
    at Script2.run(Script2.groovy:10) ~[?:?]
    at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:317) ~[groovy-jsr223-3.0.3.jar:3.0.3]
    ... 9 more

Answer 1

您在 JSR223 PostProcessor

sampleResult

如果你想打印前一个采样器的响应时间——你需要为SampleResultprevshorthandclass实例
您需要使用string concatenation

因此删除所有不需要的导入，并将您的代码修改为：

log.info("---------------> " + prev.getTime())

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