struts的jsp頁面中使用<input type="file" name="updateList" value="" />引入文件時,在Action中設置private File updateList;
需在from中設置 enctype="multipart/form-data"。否則會出現找不到setUpdateList方法錯誤.
<form action="saParams_updateFourth.shtml" method="post" enctype="multipart/form-data">