Django Template System-Filters

Filters, changes in the display form of variables

First, form: lowercase

{{name | lower}}

Second, concatenation: First escape the text to HTML, and then convert each line to

Label

{{My_text|escape|linebreaks}}

Three, the parameters of the filter

Show Top 30 characters

{{bio | truncatewords: ' 30 '}}

Formatting

{{pub_date | date: ' F J, Y '}}

Filter List

{{123|add: ' 5 '}} adds a value to value

{"AB ' CD" |addslashes}} single quote with escape number, typically used for output to JavaScript

{"ABCD" |capfirst}} First letter capitalized

{"ABCD" |center: "50"} outputs a string of the specified length and the value pair

{{"123spam456spam789" |cut: "Spam"}} find to delete the specified string

{{value|date: "F J, Y"}} format date

{{value|default: ' (n/A) '}} value does not exist, using the specified value

{{value|default_if_none: ' (n/A) '}} value is none, using the specified value

{{list variable |dictsort: ' Number '}} sort Small to large

{{list variable |dictsortreversed: ' Number '}} sort from large to small

{% if 92|pisibleby: "2"%} Determines whether the specified number is divisible

{{String|escape}} converted to HTML entity

{{21984124|filesizeformat}} is based on 1024, calculates the maximum value, retains 1 decimal places, and increases readability

{{List|first}} returns the first element of the list

{{"Ik23hr&jqwh" |fix_ampersands} & Switch to &

{{13.414121241|floatformat}} retains 1 decimal places, can be negative, several forms

{{13.414121241|floatformat: ' 2 '}} reserved 2 decimal places

{{23456 |get_digit: ' 1 '}} intercepts 1 digits at the specified position starting at single digit

{{list|join: ","}} to connect the list with the specified delimiter

{{List|length}} returns the number of lists

{% If list |length_is: "3"%} list number Specify value

{"ABCD" |linebreaks}} is used with a new line

、
Mark a Parcel

{"ABCD" |LINEBREAKSBR}} is used with a new line
Mark a Parcel

{{variable |linenumbers}} is a row number for each row in the variable

{"ABCD" |ljust: "50"}} The string is left in the specified width, and the other is filled with spaces

{"ABCD" |lower}} lowercase

{% for I in "1ABC1" |make_list%} abcde,{% endfor%} The number of characters in a string or number as a list

{{"abcdefghijklmnopqrstuvwxyz" |phone2numeric}} to convert a character to a corresponding number??

{{list or number |pluralize}} The plural form of the word, such as the number of list strings greater than 1, returns s, otherwise returns an empty string

{{List or number |pluralize: ' Es '}} specify ES

{{List or number |pluralize: ' Y,ies '}} specify ies to replace with Y

{{Object|pprint}} displays the value of an object

{{list |random}} returns a random item of the list

{{string|removetags: "BR P P"}} deletes the specified HTML tag in the string

{{string|rjust: ' 50 '}} put the string in the specified width to the right, and the other with a space padding

{{List |slice: ': 2 '}} Slice

{{string|slugify}} string left minus and underscore, other symbols deleted, spaces replaced with minus sign

{{3|stringformat: ' 02i '}} string format, using Python's string format syntax

{{"Eabd" |striptags}} Stripped [x]html syntax tag

{{Time variable |time: ' P '}} Date Time part format

{{datetime|timesince}} How long has it been in the past given the date

{{datetime|timesince: ' Other_datetime '}} How much time has elapsed in two days

{{Datetime|timeuntil}} How much time has elapsed from the given date to the present, the difference from the above is the position before and after the 2nd period.

{{datetime|timeuntil: ' Other_datetime '}} How much time has elapsed in two days

{{"ABDSADF" |title}} Capitalize first letter

{{"A B C D E F" |truncatewords: "3"}} intercepts a specified number of words

{"111221" |truncatewords_html: "2"} intercepts the specified number of HTML tags and complements the complete

• {{List|unordered_list}}

Multiple nested lists are displayed as an unordered list of HTML

{{String|upper}} all uppercase

Linkage URL Encoding

{{string|urlize}} changes URLs from plain text to clickable links. (No experimental success)

{{string|urlizetrunc: ' 30 '}}, more than one number of characters intercepted. (also no experimental success)

{{"B C D E F" |wordcount}} Word number

{{"A B C D e F g h i j K" |wordwrap: "5"}} inserts a carriage return for each specified number of characters

{{boolean|yesno: ' Yes,no,perhaps '}} returns a string of three values, corresponding to non-null, NULL, None

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