jmeter java请求参数配置

<JavaSampler guitesttestname="Javaèˉ?±?" enabled="true">          <elementProp name="arguments" elementType="Arguments" guitestenabled="true">            <collectionProp name="Arguments.arguments">            <elementProp name="rw" elementType="Argument">            <stringProp name="Argument.name">rw</stringProp>            <stringProp name="Argument.value">w</stringProp>            <stringProp name="Argument.metadata">=</stringProp>            </elementProp>            </collectionProp>          </elementProp>          <stringProp name="classname">TestMongodb</stringProp>        </JavaSampler>