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服务器上的文件的上传和下载

2024-09-03 11:06:49   219人阅读

我们有很多种方式上传文件到服务器上，比如FTP, 比如使用命令行工具：SZ/RZ, SCP等等的。

我之前经常使用的是SZ/RZ这个命令，但是在Mac下经常乱码然后卡住不动了，所以我很崩溃。下面说说我现在

采用的办法吧。

下载文件

python -m SimpleHTTPServer 9999

上传文件

文件名：SimpleHTTPServerWithUpload.py

#!/usr/bin/env python"""Simple HTTP Server With Upload.This module builds on BaseHTTPServer by implementing the standard GETand HEAD requests in a fairly straightforward manner."""__version__ = "0.1"__all__ = ["SimpleHTTPRequestHandler"]__author__ = "bones7456"__home_page__ = "http://li2z.cn/"import osimport posixpathimport BaseHTTPServerimport urllibimport cgiimport shutilimport mimetypesimport retry:    from cStringIO import StringIOexcept ImportError:    from StringIO import StringIOclass SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):    """Simple HTTP request handler with GET/HEAD/POST commands.    This serves files from the current directory and any of its    subdirectories.  The MIME type for files is determined by    calling the .guess_type() method. And can reveive file uploaded    by client.    The GET/HEAD/POST requests are identical except that the HEAD    request omits the actual contents of the file.    """    server_version = "SimpleHTTPWithUpload/" + __version__    def do_GET(self):        """Serve a GET request."""        f = self.send_head()        if f:            self.copyfile(f, self.wfile)            f.close()    def do_HEAD(self):        """Serve a HEAD request."""        f = self.send_head()        if f:            f.close()    def do_POST(self):        """Serve a POST request."""        r, info = self.deal_post_data()        print r, info, "by: ", self.client_address        f = StringIO()        f.write(‘<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">‘)        f.write("<html>\n<title>Upload Result Page</title>\n")        f.write("<body>\n<h2>Upload Result Page</h2>\n")        f.write("<hr>\n")        if r:            f.write("<strong>Success:</strong>")        else:            f.write("<strong>Failed:</strong>")        f.write(info)        f.write("<br><a href=http://www.mamicode.com/"%s\">back</a>" % self.headers[‘referer‘])        f.write("<hr><small>Powerd By: bones7456, check new version at ")        f.write("<a href=http://www.mamicode.com/"http://li2z.cn/?s=SimpleHTTPServerWithUpload\">")        f.write("here</a>.</small></body>\n</html>\n")        length = f.tell()        f.seek(0)        self.send_response(200)        self.send_header("Content-type", "text/html")        self.send_header("Content-Length", str(length))        self.end_headers()        if f:            self.copyfile(f, self.wfile)            f.close()            def deal_post_data(self):        boundary = self.headers.plisttext.split("=")[1]        remainbytes = int(self.headers[‘content-length‘])        line = self.rfile.readline()        remainbytes -= len(line)        if not boundary in line:            return (False, "Content NOT begin with boundary")        line = self.rfile.readline()        remainbytes -= len(line)        fn = re.findall(r‘Content-Disposition.*name="file"; filename="(.*)"‘, line)        if not fn:            return (False, "Can‘t find out file name...")        path = self.translate_path(self.path)        fn = os.path.join(path, fn[0])        line = self.rfile.readline()        remainbytes -= len(line)        line = self.rfile.readline()        remainbytes -= len(line)        try:            out = open(fn, ‘wb‘)        except IOError:            return (False, "Can‘t create file to write, do you have permission to write?")                        preline = self.rfile.readline()        remainbytes -= len(preline)        while remainbytes > 0:            line = self.rfile.readline()            remainbytes -= len(line)            if boundary in line:                preline = preline[0:-1]                if preline.endswith(‘\r‘):                    preline = preline[0:-1]                out.write(preline)                out.close()                return (True, "File ‘%s‘ upload success!" % fn)            else:                out.write(preline)                preline = line        return (False, "Unexpect Ends of data.")    def send_head(self):        """Common code for GET and HEAD commands.        This sends the response code and MIME headers.        Return value is either a file object (which has to be copied        to the outputfile by the caller unless the command was HEAD,        and must be closed by the caller under all circumstances), or        None, in which case the caller has nothing further to do.        """        path = self.translate_path(self.path)        f = None        if os.path.isdir(path):            if not self.path.endswith(‘/‘):                # redirect browser - doing basically what apache does                self.send_response(301)                self.send_header("Location", self.path + "/")                self.end_headers()                return None            for index in "index.html", "index.htm":                index = os.path.join(path, index)                if os.path.exists(index):                    path = index                    break            else:                return self.list_directory(path)        ctype = self.guess_type(path)        try:            # Always read in binary mode. Opening files in text mode may cause            # newline translations, making the actual size of the content            # transmitted *less* than the content-length!            f = open(path, ‘rb‘)        except IOError:            self.send_error(404, "File not found")            return None        self.send_response(200)        self.send_header("Content-type", ctype)        fs = os.fstat(f.fileno())        self.send_header("Content-Length", str(fs[6]))        self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))        self.end_headers()        return f    def list_directory(self, path):        """Helper to produce a directory listing (absent index.html).        Return value is either a file object, or None (indicating an        error).  In either case, the headers are sent, making the        interface the same as for send_head().        """        try:            list = os.listdir(path)        except os.error:            self.send_error(404, "No permission to list directory")            return None        list.sort(key=lambda a: a.lower())        f = StringIO()        displaypath = cgi.escape(urllib.unquote(self.path))        f.write(‘<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">‘)        f.write("<html>\n<title>Directory listing for %s</title>\n" % displaypath)        f.write("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath)        f.write("<hr>\n")        f.write("<form ENCTYPE=\"multipart/form-data\" method=\"post\">")        f.write("<input name=\"file\" type=\"file\"/>")        f.write("<input type=\"submit\" value=http://www.mamicode.com/"upload\"/></form>\n")        f.write("<hr>\n<ul>\n")        for name in list:            fullname = os.path.join(path, name)            displayname = linkname = name            # Append / for directories or @ for symbolic links            if os.path.isdir(fullname):                displayname = name + "/"                linkname = name + "/"            if os.path.islink(fullname):                displayname = name + "@"                # Note: a link to a directory displays with @ and links with /            f.write(‘<li><a href="http://www.mamicode.com/%s">%s</a>\n‘                    % (urllib.quote(linkname), cgi.escape(displayname)))        f.write("</ul>\n<hr>\n</body>\n</html>\n")        length = f.tell()        f.seek(0)        self.send_response(200)        self.send_header("Content-type", "text/html")        self.send_header("Content-Length", str(length))        self.end_headers()        return f    def translate_path(self, path):        """Translate a /-separated PATH to the local filename syntax.        Components that mean special things to the local file system        (e.g. drive or directory names) are ignored.  (XXX They should        probably be diagnosed.)        """        # abandon query parameters        path = path.split(‘?‘,1)[0]        path = path.split(‘#‘,1)[0]        path = posixpath.normpath(urllib.unquote(path))        words = path.split(‘/‘)        words = filter(None, words)        path = os.getcwd()        for word in words:            drive, word = os.path.splitdrive(word)            head, word = os.path.split(word)            if word in (os.curdir, os.pardir): continue            path = os.path.join(path, word)        return path    def copyfile(self, source, outputfile):        """Copy all data between two file objects.        The SOURCE argument is a file object open for reading        (or anything with a read() method) and the DESTINATION        argument is a file object open for writing (or        anything with a write() method).        The only reason for overriding this would be to change        the block size or perhaps to replace newlines by CRLF        -- note however that this the default server uses this        to copy binary data as well.        """        shutil.copyfileobj(source, outputfile)    def guess_type(self, path):        """Guess the type of a file.        Argument is a PATH (a filename).        Return value is a string of the form type/subtype,        usable for a MIME Content-type header.        The default implementation looks the file‘s extension        up in the table self.extensions_map, using application/octet-stream        as a default; however it would be permissible (if        slow) to look inside the data to make a better guess.        """        base, ext = posixpath.splitext(path)        if ext in self.extensions_map:            return self.extensions_map[ext]        ext = ext.lower()        if ext in self.extensions_map:            return self.extensions_map[ext]        else:            return self.extensions_map[‘‘]    if not mimetypes.inited:        mimetypes.init() # try to read system mime.types    extensions_map = mimetypes.types_map.copy()    extensions_map.update({        ‘‘: ‘application/octet-stream‘, # Default        ‘.py‘: ‘text/plain‘,        ‘.c‘: ‘text/plain‘,        ‘.h‘: ‘text/plain‘,        })def test(HandlerClass = SimpleHTTPRequestHandler,         ServerClass = BaseHTTPServer.HTTPServer):    BaseHTTPServer.test(HandlerClass, ServerClass)if __name__ == ‘__main__‘:    test()

然后：python SimpleHTTPServerWithUpload.py 9999

 

http://www.cnblogs.com/rollenholt/p/4917032.html

服务器上的文件的上传和下载


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