,elem.text Since Iterparse is able to scan the elements and get the corresponding text. Then we can convert this function to a builder. The code is modified as follows: defXml_try (Element):Tag_indicate=[]Doc2=iterparse (R ' D:\test_source\rss20.xml ',(' Start ',' End ')) forevent,elem in doc2: if event = = ' start ' : Tag_indicate.append ( Elem.tag) if event = = ' end ' : if tag_indicate.pop () = = element: yield Elem.text __name__==' __main__
Boss
1
Man
Old 2
2
Woman
Old 3
3
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3. Storing JSON files
Json, all called JavaScript Object Notation, is the JavaScript objects tag, which represents data through the combination of objects and arrays, is simple to construct but highly structured, and is a lightweight data interchange format.
3.1 Conversio
The basic tutorial of using the csv module in Python to operate csv files,
CSV is called "Comma Separated Values". It is a formatted file consisting of rows and columns. The delimiter can be changed as needed.The following is a csv file:
Title,Release Date,DirectorAnd Now Fo
This article mainly introduces the example of reading a csv file from python. This example briefly describes how to operate a csv file in python. For more information, see the following code:
Import csvFor line in open ("test.csv "):Name, age, birthday = line. split (",")Name = name. strip ('\ t \ r \ n ');Age = age
storageJSON is all called (JavaScript object Notation), JavaScript objects tags, through the combination of objects and arrays to represent data, structure concise, very structured, similar to the dictionary in Python1. Objects Arrays:In JavaScript, everything is the object.Object:Using {} In JavaScript can be understood as a dictionary in Python with key values.Array:Using [] in JavaScript can be understood as a list in
that Mongovue does not support MONGODB3 versions of MongoDB Common commands: View Databases
> show dbs
using databases
> use database-name
view tables
> Show tables
query data
> db.table-name.find ({})
query criteria
> Db.table-name.find ({ ' name ':'zhangsan'}) Build an index > Db.table-name.ensureindex ({' Name ': 1}) 1 is ascending,-1 is descending Composite Index > db.table-name.ensureindex{{' name ': 1, ' Age ': 1} only query name
When the data structure is simple enough for a two-dimensional table to describe the format,
The comma interval represents the column, \ r \ n represents the row, and the first row is the corresponding property name.
Like
ColName1, ColName2, ColName3
1, "title", "Http://ss.ss.com/ss"
2, "title", "Http://ss.ss.com/ss"
3, "title", "Http://ss.ss.com/ss"
In this way, remove the redundant attribute tags such as xml,json, reduce the bandwidth pressur
#-*-coding:utf-8-*-ImportMathImportReImportCSVImportreprdefean_checksum (eancode):"""returns the checksum of a EAN string of length, returns-1 if the string has the length of the wrong""" ifLen (eancode)! = 13: return-1Oddsum=0 Evensum=0 Total=0 Eanvalue=Eancode Reversevalue= Eanvalue[::-1] Finalean=reversevalue[1:] forIinchRange (len (Finalean)):ifI% 2 = =0:oddsum+=Int (finalean[i])Else: Evensum+=Int (finalean[i]) Total= (Oddsum * 3) +evensum Check= Int (10-math.ceil (total% 10.0)
Summary:Recently, there is a small demand for projects, that is, the project development of the Division of documentation, facilitate the maintenance of later management. However, during development, the division of Labor was recorded in JSON format, so we did a download of JSON data in CSV format to local.
Code:
Copy Code code as follows:
=[] $ - #循环数组 - forListinchlists: the - #获取每一行数据 and use a comma to unpack the user name and passwordWuyi#list ="grace,1" the#list. Split (",") =[grace1,1] #csv是用逗号分隔, the following list.split (",")[0] is the 1th element in the Grace1,list.split (",")[1the 2nd element in the] is 1 -Username=list.split (",")[0].strip () WuPwd= List.split (",")[1].strip () - About print (userName) $ print (PWD) - - #开始浏览登陆 -Driver =Webdriver. Firefox () ADriver
Python csv module, pythoncsv
1 import csv # Comma Separated Value 2 3 # class Dialect 4 # delimiter = None # separator 5 # doublequote = None # The element is a quote, double the quote. The default value is true. If it is set to false, you need to set the delimiter. Otherwise, an error is returned. 6 # escapechar = None # Escape Character 7 # lineterminator = Non
Export to JSON:$ mongoexport.exe-d testdb-c testcollection-o./test.jsonExport to CSV:If you are want to output CSV, you are specify the fields in the order you want them.$ mongoexport.exe--csv-f _id,f1,f2,f3,f4,f5,f6,f7-d testdb-c testcollection-o./test.csvIf you have Chinese characters, opening the CSV file may be gar
Tags: style color os io file data CTI LineStart by generating a text file that can be either JSON or CSV, one per line of data, well organized, and can be generated in a generic text editor or from office. Then execute the following import command: /usr/local/mongodb/bin/mongoimport-d cms-c cms_tags_20120727–type csv–file/tmp/tag0810.
This article describes how to use javascript to download json data in csv format. For more information, see the following abstract:
Recently, there is a non-project small requirement that is to document the division of labor in project development to facilitate later management and maintenance. However, during development, the division of labor is recorded in json
Title, how does PHP automatically identify third-party RESTful API content and automatically render it into JSON, XML, HTML, serialize, CSV, PHP and other data?In fact, this is not difficult, because the rest API is also based on the HTTP protocol, as long as we follow the protocol, we can do the automation to identify the content of the API, the method is as follows:1, the API server to return the explicit
Summary:Previously shared with JS to download JSON data as a CSV file for easy post-management. But for testers who want to be able to display tasks in the form of a page, they do an example of displaying a CSV file on a page.Code::Note: The above example requires a service environmentAppendix:Https://github.com/mholt/PapaParseJS read
Js reads the csv file and displays it in json format, csvjson
Abstract:
We have discussed how to use js to download json data into a csv file for later management. However, testers prefer to display tasks on pages, so an example of displaying csv files on pages is provided.
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