xlsx opener

Urllib2 provides a wide range of URL-based resource processing methods ~ You can use handler to implement various functions ~ Likewise, automatic redirect and cookie analysis and acquisition are implemented based on status code (redirect Based on HTTP status code is also implemented in urllib. fancyurlopener ~) The step-by-step code is as follows: Import urllib2 as ul2, cookielib as Cl, urllib as UL Cj = Cl. cookiejar () Opener = ul2.build _

Python write crawlers use the urllib2 method, pythonurllib2 Use urllib2 for python write Crawlers The Usage Details of urllib2 are sorted out. 1. Proxy Settings By default, urllib2 uses the environment variable http_proxy to set HTTP Proxy. If you want to explicitly control the Proxy in the program without being affected by environment variables, you can use the Proxy. Create test14 to implement a simple proxy Demo: import urllib2 enable_proxy = True proxy_handler = urllib2.ProxyHand

Just use, this article is well written, turn around to collect.Reprinted from Tao Road | usage details of the Python standard library urllib2There are many useful tool classes in the Python standard library, but it is not clear how to use the detail description on the standard library document, such as URLLIB2, which is the HTTP client library. Here is a summary of some of the URLLIB2 library usage details. 1 Proxy Settings 2 Timeout Settings 3 Adding a specific Header to the HT

parameter print is submitted ( Request.get_method ()) >> output result getCell phonereq = Request. Request (' http://www.douban.com/') req.add_header (' user-agent ', ' mozilla/6.0 ' (iPhone; CPU iPhone os 8_0 like Mac os X) " applewebkit/536.26 (khtml, like Gecko) version/8.0 mobile/10a5376e safari/8536.25 ' ) with Request.urlopen (req) as F: print (' Status: ', F.status, F.reason) for K, V in F.getheaders (): print ('%s :%s '% (k, v)) print (' Data:

There are a number of useful tools classes in the Python standard library, but when used specifically, the standard library documentation does not describe the details of the usage, such as URLLIB2 this HTTP client library. Here's a summary of some of the URLLIB2 's usage details. setting of 1.Proxy2.Timeout settings3. Add a specific Header to the HTTP Request4.Redirect5.Cookie6. Use the Put and DELETE method of HTTP7. Get HTTP Return code8.Debug Log Settings for Proxy URLLIB2 uses environmen

contents of the first page as an example to detail the use of cookies, the following is the example given in the document, we have to change this example to achieve the functionality we want Import Cookielib, urllib2 CJ = Cookielib. Cookiejar () opener = Urllib2.build_opener (urllib2. Httpcookieprocessor (CJ)) r = Opener.open ("http://example.com/") #coding: utf-8 Import Urllib2,urllib import cookielib url = R ' http://www.renren.com/ajaxL

bookoriginal = new Workbook (); Bookoriginal.loadfromfile ("Information sheet. xlsx"); Worksheet sheet = bookoriginal.worksheets[0];Step 2 : Create a new Workbook object NewBook1 and add an empty worksheet to it.Workbook NewBook1 = new Workbook (); newbook1.createemptysheets (1);Step 3 : Gets the first sheet of NewBook1, and then gets the data from the second row to the eighth row (Sales department) on the source Excel worksheet, and copies them to t

Format is changed to NextEnd Sub RmDir-delete a folder Sub dfksdlf () For I = 1 To 20 Step 2 RmDir "C: \ Users \ McDelfino \ Desktop \ exercises \ Folder-" Format (I, "00") NextEnd Sub Kill-delete an object Sub dfksdlf () Kill "C: \ Users \ McDelfino \ Desktop \ exercises \ 1.txt" End Sub Delete the 1.txt file! Sub dfksdlf () Kill "C: \ Users \ McDelfino \ Desktop \ exercises \ *. *" End Sub Delete all files with extension! FileCopy-copy an object Copy a file and change the file name

1. Opener and handler concepts of URLLIB2 1.1Openers:When you get a URL you use a opener (a urllib2. Openerdirector instances). Under normal circumstances, we use the default opener: through Urlopen. But you can create a personality openers. You can use Build_opener to create opener objects. Generally available for app

Opener: parent indicates the parent window. For example, if A page A uses iframe or frame to call page B, the window where page A is located is the parent of page B, the following describes how to use it in detail. If you are interested, refer The Code is as follows: $ ("# SaveInfo"). show ();SetTimeout ('$ ("# saveInfo"). hide ();', 3000 );If (opener ! Opener