一.表单中<form>标签一定要加上enctype="multipart/form-data"属性。(本人曾因为没写这个属性,找了好半天错误,郁闷!!)
二.在FormBean中定义属性:private FormFile[] newsPath=null;
三.在Action中写上传的核心代码:
//批量上传图片
String fname1="";
String newsPath="";
String picDes="";
String pic="";
FormFile file=null;
InputStream streamIn = null;
OutputStream streamOut = null;
String myroot = request.getRealPath("picture");
try {
File rootDir = new File(myroot);
if (!rootDir.isDirectory()) {
rootDir.mkdirs();
}
MultipartRequestHandler multipartRequestHandler =
newsForm.getMultipartRequestHandler();
// 取得所有上传文件的对象集合
Hashtable elements = multipartRequestHandler.getFileElements();
String[] textEle=(String[])multipartRequestHandler.getTextElements().get("newsPicDes");
System.out.println("获取JSP页面以newsPicDes命名的文本域的个数"+textEle.length);
for(int i=0;i<textEle.length;i++){
picDes+=textEle[i]+",";
}
// 循环遍历每一个文件
Collection values = elements.values();
for (java.util.Iterator i = values.iterator(); i.hasNext();) {
file = (org.apache.struts.upload.FormFile) i.next();// 取得上传的文件
String fname=file.getFileName();
fname1+=fname+",";
System.out.println(fname1);
System.out.println("以上是我获得的图片的名称用逗号隔开组城的字符串.......");
String plocation = myroot + "//" + fname;
streamIn = file.getInputStream();
streamOut = new FileOutputStream(plocation);
int bytesRead = 0;
byte[] buffer = new byte[8192];
while ((bytesRead = streamIn.read(buffer, 0, 8192)) != -1)
{
streamOut.write(buffer, 0, bytesRead);
}
streamOut.close();
streamIn.close();
}
} catch (Exception e) {
System.err.println();
}
FormFile批量上传的注意事项
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转载自xiaowei-qi-epro-com-cn.iteye.com/blog/1927315
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