__uploadaction.java

使用J2EE实现了软件园的下载和上传功能

      //INCLUDE /top.jsp //[ /uploadAction.jsp; Line: 3]
      _writeText(response, out, _wl_block2, _wl_block2Bytes);
      _writeText(response, out, _wl_block3, _wl_block3Bytes);
      _writeText(response, out, _wl_block4, _wl_block4Bytes);
      //[ /uploadAction.jsp; Line: 40]
      request.setCharacterEncoding("gb2312"); //[ /uploadAction.jsp; Line: 41]
      //response.setContentType("text/html; charset=GB2312"); //[ /uploadAction.jsp; Line: 42]
      double softwareSize = 0; //[ /uploadAction.jsp; Line: 43]
      double size; //[ /uploadAction.jsp; Line: 44]
      String softwareSizeStr = ""; //[ /uploadAction.jsp; Line: 45]
      String turefileAbsolutePath = ""; //[ /uploadAction.jsp; Line: 46]
      String dir = "E:/Download"; //[ /uploadAction.jsp; Line: 47]
      File updir = new File(dir); //Download文件不存在的话，在E盘目录下创建一个Download文件夹 //[ /uploadAction.jsp; Line: 48]
      updir.mkdir(); //创建此抽象路径名指定的目录 //[ /uploadAction.jsp; Line: 49]
      try { //[ /uploadAction.jsp; Line: 50]
        //建立临时文件，并将客户提交的全部信息存入。 //[ /uploadAction.jsp; Line: 51]
        //File(String parent, String child)根据 parent 路径名字符串和 child 路径名字符串创建一个新 File 实例。 //[ /uploadAction.jsp; Line: 52]
        File tempfile = new File(dir, "TempInformation"); //[ /uploadAction.jsp; Line: 53]
        System.out.println("tempfileName: " + tempfile.getName()); //[ /uploadAction.jsp; Line: 54]
        System.out.println("tempfileAbsolutePath: " + tempfile.getAbsolutePath()); //[ /uploadAction.jsp; Line: 55]
        //FileOutputStream(File file)创建一个向指定 File 对象表示的文件中写入数据的文件输出流。 //[ /uploadAction.jsp; Line: 56]
        FileOutputStream fout = new FileOutputStream(tempfile); //[ /uploadAction.jsp; Line: 57]
        InputStream in = request.getInputStream(); //[ /uploadAction.jsp; Line: 58]
        byte b[] = new byte[1024]; //[ /uploadAction.jsp; Line: 59]
        int n = 0; //[ /uploadAction.jsp; Line: 60]
        while ((n = in.read(b)) != -1) { //[ /uploadAction.jsp; Line: 61]
          //read(byte[] b)从输入流中读取一定数量的字节并将其存储在缓冲区数组 b 中。 //[ /uploadAction.jsp; Line: 62]
          fout.write(b, 0, n); //write(byte[] b, int off, int len)将指定字节数组中从偏移量 off 开始的 len 个字节写入此文件输出流。 //[ /uploadAction.jsp; Line: 63]
        } //[ /uploadAction.jsp; Line: 64]
        fout.close(); //[ /uploadAction.jsp; Line: 65]
        in.close(); //[ /uploadAction.jsp; Line: 66]
        //打开临时文件 //[ /uploadAction.jsp; Line: 67]
        //RandomAccessFile(File file, String mode)创建从中读取和向其中写入（可选）的随机存取文件流，该文件由 File 参数指定。 //[ /uploadAction.jsp; Line: 68]
        RandomAccessFile raf = new RandomAccessFile(tempfile, "r"); //[ /uploadAction.jsp; Line: 69]
        String secondLine = raf.readLine(); //[ /uploadAction.jsp; Line: 70]
        //System.out.println(secondLine); //[ /uploadAction.jsp; Line: 71]
        secondLine = raf.readLine(); //[ /uploadAction.jsp; Line: 72]
        //System.out.println(secondLine); //[ /uploadAction.jsp; Line: 73]
        int position = secondLine.lastIndexOf('\\'); //[ /uploadAction.jsp; Line: 74]
        if (position != -1) { //[ /uploadAction.jsp; Line: 75]
          //获得客户提交的文件名字。 //[ /uploadAction.jsp; Line: 76]
          String filename = secondLine.substring(position + 1, secondLine.length() - 1); //[ /uploadAction.jsp; Line: 77]
          filename = new String(filename.getBytes("iso8859-1"), "gb2312"); //[ /uploadAction.jsp; Line: 78]
          System.out.println("filename: " + filename); //[ /uploadAction.jsp; Line: 79]
          int position2 = secondLine.lastIndexOf(':'); //[ /uploadAction.jsp; Line: 80]
          String filePath = secondLine.substring(position2 - 1, secondLine.length() - 1); //[ /uploadAction.jsp; Line: 81]
          System.out.println("filePath: " + filePath); //[ /uploadAction.jsp; Line: 82]
          //获得临时文件Information的第4行结束和倒数第六行结束的位置，这两者之间的数据就是客户要提交的文件的内容。 //[ /uploadAction.jsp; Line: 83]
          //获取这段内容并存入另外一个文件中，另一个文件的名字与客户提交的文件名字相同。 //[ /uploadAction.jsp; Line: 84]
          //seek(long pos)设置到此文件开头测量到的文件指针偏移量，在该位置发生下一个读取或写入操作。 //[ /uploadAction.jsp; Line: 85]
          raf.seek(0); //[ /uploadAction.jsp; Line: 86]
          long forthEndPosition = 0; //[ /uploadAction.jsp; Line: 87]
          int forth = 1; //[ /uploadAction.jsp; Line: 88]
          //readByte()从此文件读取一个有符号的八位值。 //[ /uploadAction.jsp; Line: 89]
          while ((n = raf.readByte()) != -1 && (forth <= 4)) { //[ /uploadAction.jsp; Line: 90]
            if (n == '\n') { //[ /uploadAction.jsp; Line: 91]
              forth++; //[ /uploadAction.jsp; Line: 92]
              //getFilePointer()返回此文件中的当前偏移量。 //[ /uploadAction.jsp; Line: 93]
              forthEndPosition = raf.getFilePointer(); //[ /uploadAction.jsp; Line: 94]
            } //[ /uploadAction.jsp; Line: 95]
          } //[ /uploadAction.jsp; Line: 96]
          raf.seek(raf.length()); //[ /uploadAction.jsp; Line: 97]
          long endPosition = raf.getFilePointer(); //[ /uploadAction.jsp; Line: 98]
          long mark = endPosition; //[ /uploadAction.jsp; Line: 99]
          int j = 1; //[ /uploadAction.jsp; Line: 100]
          while ((mark >= 0) && (j <= 6)) { //[ /uploadAction.jsp; Line: 101]
            mark--; //[ /uploadAction.jsp; Line: 102]
            raf.seek(mark); //[ /uploadAction.jsp; Line: 103]
            n = raf.readByte(); //[ /uploadAction.jsp; Line: 104]
            if (n == '\n') { //[ /uploadAction.jsp; Line: 105]
              endPosition = raf.getFilePointer(); //[ /uploadAction.jsp; Line: 106]
              j++; //[ /uploadAction.jsp; Line: 107]
            } //[ /uploadAction.jsp; Line: 108]
          } //[ /uploadAction.jsp; Line: 109]
          //以客户提交的文件的名字新建文件 //[ /uploadAction.jsp; Line: 110]
          //从临时文件中读取数据存入这个文件 //[ /uploadAction.jsp; Line: 111]
          File truefile = new File(dir, filename); //[ /uploadAction.jsp; Line: 112]
          turefileAbsolutePath = truefile.getAbsolutePath(); //[ /uploadAction.jsp; Line: 113]
          String path = turefileAbsolutePath; //[ /uploadAction.jsp; Line: 114]
          System.out.println("truefileAbsolutePath: " + turefileAbsolutePath); //[ /uploadAction.jsp; Line: 115]
          RandomAccessFile raf2 = new RandomAccessFile(truefile, "rw"); //[ /uploadAction.jsp; Line: 116]
          raf.seek(forthEndPosition); //[ /uploadAction.jsp; Line: 117]
          long startPoint = raf.getFilePointer(); //[ /uploadAction.jsp; Line: 118]
          while (startPoint < endPosition - 1) { //[ /uploadAction.jsp; Line: 119]
            n = raf.readByte(); //[ /uploadAction.jsp; Line: 120]
            raf2.write(n); //[ /uploadAction.jsp; Line: 121]
            startPoint = raf.getFilePointer(); //[ /uploadAction.jsp; Line: 122]
          } //[ /uploadAction.jsp; Line: 123]
          raf.close(); //[ /uploadAction.jsp; Line: 124]
          raf2.close(); //[ /uploadAction.jsp; Line: 125]
          //tempfile.delete();//删除临时文件 //[ /uploadAction.jsp; Line: 126]
          out.print("<h2>文件上传成功,请填写相关信息！</h2>"); //[ /uploadAction.jsp; Line: 127]
          //获取文件大小 //[ /uploadAction.jsp; Line: 128]
          File ff = new File(path); //[ /uploadAction.jsp; Line: 129]
          FileInputStream stream = new FileInputStream(ff); //[ /uploadAction.jsp; Line: 130]
          int softwareSizeM = stream.available() / 1024 / 1024; //文件长度(单位M) //[ /uploadAction.jsp; Line: 131]
          int softwareSizeK = stream.available() / 1024; //文件长度(单位K) //[ /uploadAction.jsp; Line: 132]
          int softwareSizeB = stream.available(); //文件长度(单位B) //[ /uploadAction.jsp; Line: 133]
          if (softwareSizeM > 0) { //[ /uploadAction.jsp; Line: 134]
            size = stream.available(); //[ /uploadAction.jsp; Line: 135]
            size = size / (1024 * 1024); //[ /uploadAction.jsp; Line: 136]
            DecimalFormat df = new DecimalFormat("##.00"); //[ /uploadAction.jsp; Line: 137]
            size = Double.parseDouble(df.format(size)); //[ /uploadAction.jsp; Line: 138]
            softwareSize = size; //[ /uploadAction.jsp; Line: 139]
            softwareSizeStr = String.valueOf(softwareSize) + "M"; //[ /uploadAction.jsp; Line: 140]
          } //[ /uploadAction.jsp; Line: 141]
          else if (softwareSizeK > 0) { //[ /uploadAction.jsp; Line: 142]
            size = stream.available(); //[ /uploadAction.jsp; Line: 143]
            size = size / 1024; //[ /uploadAction.jsp; Line: 144]
            DecimalFormat df = new DecimalFormat("##.00"); //[ /uploadAction.jsp; Line: 145]
            size = Double.parseDouble(df.format(size)); //[ /uploadAction.jsp; Line: 146]
            softwareSize = size; //[ /uploadAction.jsp; Line: 147]
            softwareSizeStr = String.valueOf(softwareSize) + "KB"; //[ /uploadAction.jsp; Line: 148]
          } //[ /uploadAction.jsp; Line: 149]
          else { //[ /uploadAction.jsp; Line: 150]
            size = stream.available(); //[ /uploadAction.jsp; Line: 151]
            DecimalFormat df = new DecimalFormat("##.00"); //[ /uploadAction.jsp; Line: 152]
            size = Double.parseDouble(df.format(size)); //[ /uploadAction.jsp; Line: 153]
            softwareSize = size; //[ /uploadAction.jsp; Line: 154]
            softwareSizeStr = String.valueOf(softwareSize) + "B"; //[ /uploadAction.jsp; Line: 155]
          } //[ /uploadAction.jsp; Line: 156]
          System.out.println("文件大小：" + softwareSize); //[ /uploadAction.jsp; Line: 157]
        } //[ /uploadAction.jsp; Line: 158]
        else { //[ /uploadAction.jsp; Line: 159]
          tempfile.delete(); //删除临时文件 //[ /uploadAction.jsp; Line: 160]
          out.print("请确认路径是否正确！"); //[ /uploadAction.jsp; Line: 161]
        } //[ /uploadAction.jsp; Line: 162]
      } //[ /uploadAction.jsp; Line: 163]
      catch (IOException e) { //[ /uploadAction.jsp; Line: 164]
        out.print("error！"); //[ /uploadAction.jsp; Line: 165]
      } //[ /uploadAction.jsp; Line: 166]
      //out.println("文件上传成功,请填写相关信息！"); //[ /uploadAction.jsp; Line: 167]
      //response.setHeader("refresh", "0;url='uploadMain.jsp'"); //[ /uploadAction.jsp; Line: 168]
      String dateNow = new SimpleDateFormat("yyyyMMddHHmmss").format(Calendar.getInstance().getTime()); //[ /uploadAction.jsp; Line: 169]
      System.out.println(dateNow); //[ /uploadAction.jsp; Line: 170]
      //System.out.println("truefileAbsolutePath: "+turefileAbsolutePath); //[ /uploadAction.jsp; Line: 171]
      //[ /uploadAction.jsp; Line: 172]
      //[ /uploadAction.jsp; Line: 172]
      _writeText(response, out, _wl_block5, _wl_block5Bytes);
      out.print(String.valueOf(dateNow));  //[ /uploadAction.jsp; Line: 185]
      _writeText(response, out, _wl_block6, _wl_block6Bytes);
      out.print(String.valueOf(dateNow));  //[ /uploadAction.jsp; Line: 186]
      _writeText(response, out, _wl_block7, _wl_block7Bytes);
      out.print(String.valueOf(softwareSizeStr));  //[ /uploadAction.jsp; Line: 198]
      _writeText(response, out, _wl_block8, _wl_block8Bytes);
      out.print(String.valueOf(softwareSizeStr));  //[ /uploadAction.jsp; Line: 199]
      _writeText(response, out, _wl_block9, _wl_block9Bytes);
      out.print(String.valueOf(turefileAbsolutePath));  //[ /uploadAction.jsp; Line: 217]
      _writeText(response, out, _wl_block10, _wl_block10Bytes);
      out.print(String.valueOf(turefileAbsolutePath));  //[ /uploadAction.jsp; Line: 218]
      _writeText(response, out, _wl_block11, _wl_block11Bytes);
      //INCLUDE /foot.jsp //[ /uploadAction.jsp; Line: 240]
      _writeText(response, out, _wl_block12, _wl_block12Bytes);
      _writeText(response, out, _wl_block13, _wl_block13Bytes);
    } catch (Throwable __ee) {
      while (out != null && out != _originalOut) out = pageContext.popBody();
      ((weblogic.servlet.jsp.PageContextImpl)pageContext).handlePageException((Throwable)__ee);
    }
    
    
    //before final close brace...
  }
  
  
}