struts上传多文件
html网页<form action="upload.shtml" method="post" enctype="multipart/form-data"> title:<input name="title" type="text"/><br/> file:<input name="value(0)" type="file"/><br/> file:<input name="value(1)" type="file"/><br/> file:<input name="value(2)" type="file"/><br/> file:<input name="value(3)" type="file"/><br/> <input type="submit" value="submit"/> </form>
ActionForm
//用ArrayList装FormFile,这样写的问题就是顺序要乱。public class UploadActionForm extends ActionForm {private String title;private ArrayList formFiles;public UploadActionForm(){formFiles = new ArrayList();} public void setValue(String iIndex, FormFile value){ getFormFiles().add(value); } public FormFile getValue(String iIndex){ return (FormFile) formFiles.get(Integer.parseInt(iIndex)); }public String getTitle() {return title;}public void setTitle(String title) {this.title = title;}public ArrayList getFormFiles() {return formFiles;}public void setFormFiles(ArrayList formFiles) {this.formFiles = formFiles;}}
Action里面的处理
UploadActionForm daf = (UploadActionForm) form;ArrayList arrayList = daf.getFormFiles();
下面是HashMap装FileForm的方法
HTML页面和上面的一样
只不过FileForm里面用的是HashMap
public class UploadActionForm extends ActionForm {private String title;private Map fileMap;public UploadActionForm(){fileMap = new HashMap();} public void setValue(String iIndex, FormFile value){ fileMap.put(iIndex,value); } public FormFile getValue(String iIndex){ return (FormFile) fileMap.get(iIndex); }public String getTitle() {return title;}public void setTitle(String title) {this.title = title;}public Map getFileMap() {return fileMap;}}
Action里面这样处理就可以获得相应的值了
UploadActionForm daf = (UploadActionForm) form;daf.getValue("0");daf.getValue("1");daf.getValue("2");daf.getValue("3");
最后还可以在配置文件里面设置上传文件的大小
<struts-config> <controller maxFileSize="10M"/></struts-config>
//if(file!=null){//FileOutputStream fos = new FileOutputStream("c://"+file.getFileName());//fos.write(file.getFileData());//fos.flush();//fos.close();//}// request.getSession().getServletContext().getRealPath("/");表示当前项目的地址C:\tomcat6.0\webapps\xxx_04\
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