Resin的图片上传

java 代码

<%@ include file="include/include_clear.jsp"%>
<%@ page contentType="text/html; charset=GB18030" language="java"%>
<%@ page import="java.io.*"%>
<%@ page import="java.util.*"%>


<%
    String DOCROOT = "/home/httpd/pdb";
    String UPDIR = "/upload";
    String fileName = request.getParameter("load");
    String fileExt = request.getParameter("load.filename");//取到文件类型
    FileInputStream source = null;
    FileOutputStream destination = null;
    String ext = "";
    String exts[] = {"jpg","gif"};
    int flag = 1;//初始判断为假(不符合文件类型的)
    String destfile = "";
    out.println(fileExt);

    if(fileExt.lastIndexOf(46) > 0){
        int start = fileExt.lastIndexOf(46) + 1; //判断"."
        ext = fileExt.substring(start, fileExt.length()).toLowerCase();//转换大写JSP/GIF
    }

    for(int i=0;i<exts.length;i++){
        if(exts[i].equals(ext)){
            flag = 0;//符合文件类型
            break;
        }

    }

if(flag==0){

    int bytes_read = 0;

    try{
        source = new FileInputStream(fileName);
        Calendar now = Calendar.getInstance();

        destfile = UPDIR+"/" +now.get(Calendar.YEAR)+(1+now.get(Calendar.MONTH))+ "/"+System.currentTimeMillis()+"."+ext;//取年月时间生成相应目录
        String dir = DOCROOT+destfile.substring(0,destfile.lastIndexOf("/"));

        File Fdir = new File(dir);
        if (!Fdir.isDirectory()) {Fdir.mkdir();}//根据取到的年月时间生成相应目录

        out.println(destfile);

        destination = new FileOutputStream(DOCROOT+destfile);
        byte[] buffer = new byte[1024];

        for(;;){

            bytes_read=source.read(buffer);
            if(bytes_read==-1) break;
            destination.write(buffer,0,bytes_read);
        }

    }catch(Exception e){
        out.println(e);
        e.printStackTrace();
    }finally {
                if (source!=null) source.close();
        if (destination!=null) destination.close();

        }
}else{
out.println("文件类型 error");

}

%>

<img src="<%=destfile%>">






在 resin.conf 的web-app里 加上<multipart-form upload-max='1024kb'/>

评论

1 楼 tillzhang 2006-12-19  

<img src="<%=destfile%>">


在 resin.conf 的web-app里 加上<multipart-form upload-max='1024kb'/>