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谈一下文件上传

技术开发2024-06-13 阅读()
(!(canSuffix.indexOf("."+suffix[i])>=0))) {

description[i] = "ERR: File suffix is wrong.";

return false;

}

else {

return true;

}

}

//上传文件转换

private void transferFile(int i) {

String x = Long.toString(new java.util.Date().getTime());

try {

objectFileName[i] = x + "." + suffix[i];

FileOutputStream out = new FileOutputStream(objectPath + objectFileName[i]);

int a = 0;

int k = 0;

long hastransfered = 0; //标示已经传输的字节数

String s = "";

while ( (a = sis.readLine(b, 0, b.length)) != -1) {

s = new String(b, 0, a);

if ( (k = s.indexOf("Content-Type:")) != -1) {

break;

}

}

sis.readLine(b, 0, b.length);

while ( (a = sis.readLine(b, 0, b.length)) != -1) {

s = new String(b, 0, a);

if ( (b[0] == 45) && (b[1] == 45) && (b[2] == 45) && (b[3] == 45) && (b[4] == 45)) {

break;

}

out.write(b, 0, a);

hastransfered += a;

if (hastransfered >= size) {

description[count] = "ERR: The file " + sourceFile[count] +

" is too large to transfer. The whole process is interrupted.";

successful = false;

break;

}

}

if (successful) {

description[count] = "Right: The file " + sourceFile[count] +

" has been transfered successfully.";

}

out.close();

if (!successful) {

sis.close();

File tmp = new File(objectPath + objectFileName[count]);

tmp.delete();

}

}

catch (IOException ioe) {

description[i] = ioe.toString();

}

}

public static void main(String[] args) {

System.out.println("Test OK");

}

}


文件上传调用:MoqUpload.jsp
〈%@ page contentType="text/html; charset=GB2312" %>

〈html>

〈head>

〈title>文件上载〈/title>

〈/head>

〈body>

〈form action="MoqUploadSubmit.jsp" enctype="MULTIPART/FORM-DATA" method="post">

作者姓名:〈input type="text" name="Author" />

〈br />

公司名称:〈input type="text" name="Company" />

〈br />

文件描述:〈input type="text" name="Comment" />

〈br />

选择文件1:〈input type="file" name="filename1" />

〈br />

选择文件2:〈input type="file" name="filename2" />

〈br />

选择文件3:〈input type="file" name="filename3" />

〈br />

选择文件4:〈input type="file" name="filename4" />

〈br />

〈input type="submit" value="上载" />

〈/form>

〈/body>

〈/html>


文件上传提交:MoqUploadSubmit.jsp
〈%@ page contentType="text/html;charset=gb2312"%>

〈jsp:useBean id="fileBean" scope="page" class="net.moq.www.MoqUploadBean" />

〈%

fileBean.setObjectPath("D:\\Temp\\");

fileBean.setSize(10000*1024);

fileBean.setSuffix(".gif.jpg.png.jpge.html.htm");

fileBean.setSourceFile(request);

String [] saSourceFile = fileBean.getSourceFile();

String [] saObjectFile = fileBean.getObjectFileName();

String [] saDescription = fileBean.getDescription();

int iCount = fileBean.getCount();

String sObjectPath = fileBean.getObjectPath();

for(int i=0;i〈iCount;i++) {

out.println("〈br>源始文件:");

out.println(saSourceFile[i]);

out.println("〈br>目标文件:");

out.println(sObjectPath+saObjectFile[i]);

out.println("〈br>上传说明:");

out.println(saDescription[i]);

out.println("〈br>");

}

out.println("〈br>作者:" + fileBean.getFieldValue("Author"));

out.println("〈br>公司:" + fileBean.getFieldValue("Company"));

out.println("〈br>说明:" + fileBean.getFieldValue("Comment"));

%>

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