您可以使用BeanShell后处理器：
import java.util.regex.Matcher;
import java.util.regex.Pattern;
String response = prev.getResponseDataAsString();
String finalArr = "";
Pattern pattern = Pattern.compile("<input type=\"check@R_690_2419@\" StudentID=\"(\\d+?)\"");
Matcher matcher = pattern.matcher(response);
while (matcher.find())
{
finalArr = finalArr + matcher.group(1) + ",";
}
或者，如果您使用的是Regex Extractor，那么也可以在Beanshell后处理器中使用：
Integer N = Integer.valueOf(vars.get("myTestVar _matchNr"));
String finalArr = "";
for(Integer i = 1; i <= N; i++)
{
finalArr = finalArr + (vars.get("myTestVar "+String.valueOf(i)+"_g1")) + ",";
}
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