jmeter添加自定函数的实例(jmeter5.3+IntelliJIDEA)

package org.apache.jmeter.functions;

import java.util.Collection;
import java.util.LinkedList;
import java.util.List;

import org.apache.jmeter.engine.util.CompoundVariable;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.samplers.Sampler;
import org.apache.jmeter.util.JMeterUtils;


public class MyFunction extends AbstractFunction {

	//自定义function的描述
  private static final List desc = new LinkedList<>();
  //function名称
  private static final String KEY = "__MyFunction";

  static {
    desc.add("systemnum");
    desc.add("sizenum");
  }

  private CompoundVariable systemnum;
  private CompoundVariable sizenum;

	// 函数的逻辑执行主体
  /** {@inheritDoc} */
  @Override
  public String execute(SampleResult previousResult, Sampler currentSampler)
      throws InvalidVariableException {

    long num = Long.valueOf(systemnum.execute());
    int size = Integer.valueOf(sizenum.execute());

    String str = Long.toHexString(num);;

    while(str.length() parameters) throws InvalidVariableException {
    checkParameterCount(parameters, 2);
    Object[] values = parameters.toArray();

    systemnum = (CompoundVariable) values[0];
    sizenum = (CompoundVariable) values[1];

  }

	// 用来定义函数的名称，把自定义的内容显示在函数对话框中
  /** {@inheritDoc} */
  @Override
  public String getReferenceKey() {
    return KEY;
  }

	// 用来设置GUI界面的函数对话框，把自己定义的参数给显示在jmeter的GUI界面上
  /** {@inheritDoc} */
  @Override
  public List getArgumentDesc() {
    return desc;
  }

}

    
      
        org.apache.maven.plugins
        maven-compiler-plugin
        3.5.1
        
          1.8
          1.8