struts 实现文件上传

    

         

         

    

   

         

         

    

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    jsp中的表单

    jsp中的表单view plaincopy to clipboardprint?
   

package com.actions;

 
    import java.io.*;
 
    import org.apache.struts2.ServletActionContext;
 
    import com.opensymphony.xwork2.ActionSupport;
 
    public class FileUploadActions extends ActionSupport {
        private static final int BUFFER_SIZE=16*1024;
        private File file;
        private String contentType;
        private String fileName;
        public File getFile() {
            return file;
        }
        public void setFile(File file) {
            this.file = file;
        }
        public void setFileContentType(String contentType) {
            this.contentType = contentType;
        }
        public void setFileFileName(String fileName) {
            this.fileName = fileName;
        }
        public String execute(){
            File dstFile=new File(ServletActionContext.getServletContext().getRealPath("/upload"+"/"+fileName));
            try {
                InputStream is=new BufferedInputStream(new FileInputStream(file),BUFFER_SIZE);
                OutputStream os=new BufferedOutputStream(new FileOutputStream(dstFile),BUFFER_SIZE);
                byte[] buffer=new byte[BUFFER_SIZE];
                while(is.read(buffer)>0){
                    os.write(buffer);
                }
                is.close();
                os.close();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            return SUCCESS;
        }
    }
    

    view plaincopy to clipboardprint?package com.actions;         import java.io.*;         import org.apache.struts2.ServletActionContext;         import com.opensymphony.xwork2.ActionSupport;         public class FileUploadActions extends ActionSupport {         private static final int BUFFER_SIZE=16*1024;         private File file;         private String contentType;         private String fileName;         public File getFile() {             return file;         }         public void setFile(File file) {             this.file = file;         }         public void setFileContentType(String contentType) {             this.contentType = contentType;         }         public void setFileFileName(String fileName) {             this.fileName = fileName;         }         public String execute(){             File dstFile=new File(ServletActionContext.getServletContext().getRealPath("/upload"+"/"+fileName));             try {                 InputStream is=new BufferedInputStream(new FileInputStream(file),BUFFER_SIZE);                 OutputStream os=new BufferedOutputStream(new FileOutputStream(dstFile),BUFFER_SIZE);                 byte[] buffer=new byte[BUFFER_SIZE];                 while(is.read(buffer)>0){                     os.write(buffer);                 }                 is.close();                 os.close();             } catch (Exception e) {                 // TODO Auto-generated catch block                 e.printStackTrace();             }             return SUCCESS;         }     }  package com.actions;

 

    import java.io.*;

 

    import org.apache.struts2.ServletActionContext;

 

    import com.opensymphony.xwork2.ActionSupport;

 

    public class FileUploadActions extends ActionSupport {

     private static final int BUFFER_SIZE=16*1024;

     private File file;

     private String contentType;

     private String fileName;

     public File getFile() {

      return file;

     }

     public void setFile(File file) {

      this.file = file;

     }

     public void setFileContentType(String contentType) {

      this.contentType = contentType;

     }

     public void setFileFileName(String fileName) {

      this.fileName = fileName;

     }

     public String execute(){

      File dstFile=new File(ServletActionContext.getServletContext().getRealPath("/upload"+"/"+fileName));

      try {

       InputStream is=new BufferedInputStream(new FileInputStream(file),BUFFER_SIZE);

       OutputStream os=new BufferedOutputStream(new FileOutputStream(dstFile),BUFFER_SIZE);

       byte[] buffer=new byte[BUFFER_SIZE];

       while(is.read(buffer)>0){

        os.write(buffer);

       }

       is.close();

       os.close();

      } catch (Exception e) {

       // TODO Auto-generated catch block

       e.printStackTrace();

      }

      return SUCCESS;

     }

    }

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    action代码

    action代码view plaincopy to clipboardprint?

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                    image/bmp,image/png,image/gif,image/jpeg
                
            
            
            index.jsp
            index.jsp
        

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