利用Ext4弄了一个图片上传的模块,现在把struts2框架结合了进去,发现图片上传不了了,原因是被struts2的拦截器拦截了,原先,图片上传通过post的方式提交到一个servlet上的,通过servlet来保存图片,根据网上的说法,改Web.xml的配置还是不行,各位有什么办法,附上代码:
Web.xml;
<servlet>
<servlet-name>UploadServlet</servlet-name>
<servlet-class>com.yazs.servlet.UploadServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>UploadServlet</servlet-name>
<url-pattern>/WebContent/page/admin/add_photo/upload</url-pattern>
</servlet-mapping>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
servlet:public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String path = request.getSession().getServletContext().getRealPath("\\images");
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
try {
List<FileItem> list = (List<FileItem>) upload.parseRequest(request);
for (FileItem fileItem : list) {
String fileName = fileItem.getName();
File file = new File(path + fileName);
System.out.println(path +"\\" +fileName);
fileItem.write(file);
fileItem.delete();
}
} catch (Exception e) {
e.printStackTrace();
}
}给位有什么方法吗?我试着把这个servlet改成Action但是获取不到数据,struts2正在学习中……
Web.xml;
<servlet>
<servlet-name>UploadServlet</servlet-name>
<servlet-class>com.yazs.servlet.UploadServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>UploadServlet</servlet-name>
<url-pattern>/WebContent/page/admin/add_photo/upload</url-pattern>
</servlet-mapping>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
servlet:public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String path = request.getSession().getServletContext().getRealPath("\\images");
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
try {
List<FileItem> list = (List<FileItem>) upload.parseRequest(request);
for (FileItem fileItem : list) {
String fileName = fileItem.getName();
File file = new File(path + fileName);
System.out.println(path +"\\" +fileName);
fileItem.write(file);
fileItem.delete();
}
} catch (Exception e) {
e.printStackTrace();
}
}给位有什么方法吗?我试着把这个servlet改成Action但是获取不到数据,struts2正在学习中……
目前从你的代码中这句:
for (FileItem fileItem : list) {...
fileItem是要判断的,即:
if (item.isFormField()) {// 判断是文件还是文本信息
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String path = this.getServletContext().getRealPath("/")+"/upload";
File folder = new File(path);
if(!folder.exists())
folder.mkdirs();
String result = null;
long maxsize=2*1024*1024;
try{
SmartUpload upfile=new SmartUpload(); //实例化对象
upfile.initialize(this.getServletConfig(),request,response); //执行初始化操作
upfile.upload(); //上传文件到服务器
Files file=upfile.getFiles(); // 获取文件组
if(file.getSize()>maxsize){ //判断文件大小是否符合
result="太大了!";
}
com.jspsmart.upload.File files=file.getFile(0); //实例化文件对象
if((!files.isMissing())&&(file.getSize()<maxsize)){
String fname=files.getFileName(); //获取文件名
//String s= URLEncoder.encode(fname,"utf-8");
upfile.save("/upload/"); //保存上传的文件
result="上传成功!";
}
}
catch(Exception e){
e.printStackTrace();
}
//将信息发送到指定页面
request.setAttribute("result", result);
RequestDispatcher rd=request.getRequestDispatcher("secc.jsp");
rd.forward(request, response);
}
public void init(ServletConfig config) throws ServletException {
super.init(config);
}}