package com.fdkankan.agent.util; import java.util.HashSet; import java.util.List; public class ExcelErrorUtil { public static String getResultIn(List errorList){ if(errorList.size() <=0){ return null; } HashSet set = new HashSet<>(errorList); StringBuilder res = new StringBuilder("第"); for (Integer index : set) { res.append(index +3).append(","); } res.deleteCharAt(res.lastIndexOf(",")); res.append("行存在错误"); return res.toString(); } }