POI 操作Excel 出现如下异常 org.apache.poi.openxml4j.exceptions.invalidformatexception: package should contain a content type part  代码如下   public boolean parseToExcel(String oldFileName,String newFileNa

全部的错误信息为: com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `java.lang.Integer` from String "女": not a valid Integer valueat [Source: (PushbackInputStream);