uploadfile.java

JSP论坛系统 数据库：mysql数据库； 技术平台：Tomcat 5.0服务器； 开发工具：Eclipse＋Lomboz、EditPlus开发工具； 操作系统：Windows XP Prof

package mybbs;
import org.apache.struts.upload.FormFile;
import java.io.*;
public class uploadFile {

private String filetext="";
public uploadFile(){

}
public void UPLOADFILE(FormFile file,String theText)
{
    String c_content="";
    int len=file.getFileSize();
    if(!((file.toString()).equals(""))&&(len<params.Upload_Size)){
  try {
    String path1=params.UPLOAD_PATH;
    InputStream input = file.getInputStream();//能从FormFile中获得输入流
    String path=path1+file.getFileName();
    OutputStream output = new FileOutputStream(path);
    int bytesReader = 0;

    byte[] readbuffer = new byte[len];
    while ( (bytesReader = input.read(readbuffer, 0, len)) != -1) {
      output.write(readbuffer, 0, bytesReader);
    }
    output.close();
    }

  catch (Exception e) {
    e.printStackTrace();
  }
/*----------------------------------------------------------------*/
   if(theText.equals("")){
      theText="相关图片:<BR>";
     }
     String FT=file.getContentType();
  if(FT.equals("image/pjpeg")||FT.equals("image/gif")||FT.equals("image/bmp")){
    filetext=filetext+"<BR>"+theText+"<BR><IMG src=upload/"+file.getFileName()+" ></IMG>";
  }
  else{
   filetext=filetext+"<BR><A href=upload/"+file.getFileName()+" >"+theText+"</A>";
     }
}
else{
      filetext=filetext+"<BR><FONT color=blue>没有附件或文件超出限制大小！</FONT>"+len;
    }

}
  public String getFiletext(){
    return this.filetext;
  }

}