支持中文的jspSmartUpload.jar包

//index.jsp

<%@ page contentType="text/html;charset=GBK"%>
<html>
	<head>
		<title>File Upload</title>
	</head>
	<body>
		<font size=5 color=#FF0000> <b>文件上传----使用jspsmart upload组件</b>
		</font>
		<br>

		<form action="uploadfile" method="post" enctype="multipart/form-data">
			<p>
				文件名称:
				<input type="file" name="file1" size="20" maxlength="80">
			</p>
			<p>
				文件名称:
				<input type="file" name="file2" size="20" maxlength="80">
			</p>
			<p>
				文件名称:
				<input type="file" name="file3" size="20" maxlength="80">
			</p>
			<p>
				上传路径:
				<input type="text" name="path" size="30" maxlength="50">
				<br>
			</p>

			<p>
				附加内容:
				<input type="text" name="other" size="30" maxlength="50">
			</p>
			<p>
				<input type="submit" value="上传">
				<input type="reset" value="重置">
			</p>
		</form>

		<font size=5 color=#FF0000> <b>文件下载----使用jspsmart upload组件</b>
		</font>
		<br>
		<form action="downloadfile" method="post">
			<p>
				下载文件的名称:
				<input type="text" name="downloadFileName" size="20" maxlength="80">
			</p>
			<input type="submit" value="下载">
	</body>
	</form>
</html>

 

==================================================
// Servlet: ServletUpload.java 上传

package wit.ou;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.jspsmart.upload.SmartUpload;
/**
 * 描述:上传servlet
 * @author 2009-3-4  转载 http://www.blogjava.net/hijackwust/archive/2007/08/22/138598.html
 *
 */
public class ServletUpload extends HttpServlet {
 private ServletConfig config;
 final public void init(ServletConfig config) throws ServletException {
  this.config = config;
 }
 
 protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
  PrintWriter out = response.getWriter();
  out.println("<HTML>");
  out.println("<BODY BGCOLOR='white'>");
  out.println("<H1>jspSmartUpload : Servlet Sample</H1>");
  out.println("<HR>");
  // 变量定义
  int count = 0;
  //创建一个SmartUpload类
  SmartUpload mySmartUpload = new SmartUpload();
  try {
		//初始化   
	    mySmartUpload.initialize(config, request, response);
	   //上传
	   mySmartUpload.upload();
	   for (int i = 0; i < mySmartUpload.getFiles().getCount(); i++) {
	    com.jspsmart.upload.File myfile = mySmartUpload.getFiles().getFile(i);
	    String fileName = myfile.getFileName();
	    //保存
	    count = mySmartUpload.save("/upload");
	    //count = mySmartUpload.save(null);
	   }
	   out.println(count + " file uploaded.");
  } catch (Exception e) {
	   out.println("Unable to upload the file.<br>");
	   out.println("Error : " + e.toString());
  }
  //通过 方法    mySmartUpload.getRequest().getParameter(arg0);还可以获取传过来的非file类型的其他值。
  out.println("</BODY>");
  out.println("</HTML>");
 }
 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  doGet(request, response);
 }
}

 

//servlet: ServletDownload.java 下载

 

package wit.ou;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.jspsmart.upload.SmartUpload;
public class ServletDownload extends HttpServlet {
	 private ServletConfig config;
	 final public void init(ServletConfig config) throws ServletException {
	  this.config = config;
	 }
	 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	  String temp_p =request.getParameter("downloadFileName");
	  byte[] temp_t=temp_p.getBytes("ISO8859_1");
	  String fileName=new String(temp_t,"GBK");
	  SmartUpload mySmartUpload = new SmartUpload();
	  try {
		  //初始化
	   mySmartUpload.initialize(config, request, response);
	   //设置不自动打开
	   mySmartUpload.setContentDisposition(null);
	   mySmartUpload.downloadFile("/upload/"+fileName);
	  } catch (Exception e) {
	   e.printStackTrace();
	  }
	 }
	 protected void doPost(HttpServletRequest request,
	   HttpServletResponse response) throws ServletException, IOException {
	  // TODO Auto-generated method stub
	  doGet(request, response);
	 }
	}

 其中上传的时候 还可以通过jar包提供的方法设置一些上传的参数!

下载文件常用的方法

1、setContentDisposition

作用:将数据追加到MIME文件头的CONTENT-DISPOSITION域。jspSmartUpload组件会在返回下载的信息时自动填写MIME文件头的CONTENT-DISPOSITION域,如果用户需要添加额外信息,请用此方法。

原型:public void setContentDisposition(String contentDisposition)

其中,contentDisposition为要添加的数据。如果contentDisposition为null,则组件将自动添加"attachment;",以表明将下载的文件作为附件,结果是IE浏览器将会提示另存文件,而不是自动打开这个文件(IE浏览器一般根据下载的文件扩展名决定执行什么操作,扩展名为doc的将用word程序打开,扩展名为pdf的将用acrobat程序打开,等等)。

2、downloadFile

作用:下载文件。

原型:共有以下三个原型可用,第一个最常用,后两个用于特殊情况下的文件下载(如更改内容类型,更改另存的文件名)。

① public void downloadFile(String sourceFilePathName)

其中,sourceFilePathName为要下载的文件名(带目录的文件全名)

② public void downloadFile(String sourceFilePathName,String contentType)

其中,sourceFilePathName为要下载的文件名(带目录的文件全名),contentType为内容类型(MIME格式的文件类型信息,可被浏览器识别)。

③ public void downloadFile(String sourceFilePathName,String contentType,String destFileName)

其中,sourceFilePathName为要下载的文件名(带目录的文件全名),contentType为内容类型(MIME格式的文件类型信息,可被浏览器识别),destFileName为下载后默认的另存文件名。

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