http://localhost:7000/?id=${__counter(FALSE,eIndex)}&p=prefix${__BeanShell(333+${eIndex})}sufix

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http://localhost:7000/?id=${__BeanShell(String.format("%03d"\,new Object[]{1}))}
  
#逗号用反斜杠转换
  
#参数传Object数组
  

https://help.flood.io/docs/how-to-pad-strings-in-jmeter