ajaxupload记录
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1,首先需要两个jar包commons-fileupload-1.2.1.jar和commons-io-1.3.2.jar,
2,然后需要增加ajaxupload的js
如:<script type="text/javascript" src="public/js/ajaxupload.3.6.js"></script>
3,然后需要通过一些js的funciton来操作,
如:function getFile(){
new AjaxUpload("#btn1",{
action:"getFileServlet_new.do",
name:"nameFile",
onSubmit:function(file,ext){
},
onComplete:function(file,response){
alert(response);
}
});
}
4,利用servlet来进行出来
如:<servlet>
<servlet-name>getFileClass_1</servlet-name>
<servlet-class>com.servlet.FileServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>getFileClass_1</servlet-name>
<url-pattern>/getFileServlet_new.do</url-pattern>
</servlet-mapping>
5 然后在servlet的class中书写java,
如:protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
//super.doPost(req, resp);
DiskFileItemFactory factory=new DiskFileItemFactory();
factory.setRepository(new File("c:\\attach"));
ServletFileUpload fileUpload=new ServletFileUpload(factory);
if(fileUpload.isMultipartContent(req)){
try {
List fileItemList=fileUpload.parseRequest(req);
Iterator iterator=fileItemList.iterator();
while(iterator.hasNext()){
FileItem fileItem=(FileItem)iterator.next();
System.out.println("得到file的list了");
if(!fileItem.isFormField()){
System.out.println("越来越接近了");
String fileType=fileItem.getName();
System.out.println(fileType);
fileItem.write(new File("c:\\attach\\aa.txt"));
}
}
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("这里到了");
resp.setCharacterEncoding("GBK");
PrintWriter out=resp.getWriter();
out.append("这里到了");
out.flush();
out.close();
}
6在struts2中如果使用ajaxupload则过滤器会把上传的文件处理掉。需要配置的是在web.xml中配置成:
<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>*.action</url-pattern>//改成这样就可以了,过滤器就不会过滤/*.do的请求了。
</filter-mapping>
<listener>
2,然后需要增加ajaxupload的js
如:<script type="text/javascript" src="public/js/ajaxupload.3.6.js"></script>
3,然后需要通过一些js的funciton来操作,
如:function getFile(){
new AjaxUpload("#btn1",{
action:"getFileServlet_new.do",
name:"nameFile",
onSubmit:function(file,ext){
},
onComplete:function(file,response){
alert(response);
}
});
}
4,利用servlet来进行出来
如:<servlet>
<servlet-name>getFileClass_1</servlet-name>
<servlet-class>com.servlet.FileServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>getFileClass_1</servlet-name>
<url-pattern>/getFileServlet_new.do</url-pattern>
</servlet-mapping>
5 然后在servlet的class中书写java,
如:protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
//super.doPost(req, resp);
DiskFileItemFactory factory=new DiskFileItemFactory();
factory.setRepository(new File("c:\\attach"));
ServletFileUpload fileUpload=new ServletFileUpload(factory);
if(fileUpload.isMultipartContent(req)){
try {
List fileItemList=fileUpload.parseRequest(req);
Iterator iterator=fileItemList.iterator();
while(iterator.hasNext()){
FileItem fileItem=(FileItem)iterator.next();
System.out.println("得到file的list了");
if(!fileItem.isFormField()){
System.out.println("越来越接近了");
String fileType=fileItem.getName();
System.out.println(fileType);
fileItem.write(new File("c:\\attach\\aa.txt"));
}
}
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("这里到了");
resp.setCharacterEncoding("GBK");
PrintWriter out=resp.getWriter();
out.append("这里到了");
out.flush();
out.close();
}
6在struts2中如果使用ajaxupload则过滤器会把上传的文件处理掉。需要配置的是在web.xml中配置成:
<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>*.action</url-pattern>//改成这样就可以了,过滤器就不会过滤/*.do的请求了。
</filter-mapping>
<listener>
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