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This article shows you what the built-in filter of the django template is, which is concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

Filters built into django templates

1. Add

Add the passed parameter to the original value. This filter attempts to convert values and parameters into shapes and then add them. If the conversion to shaping fails, the values and parameters will be concatenated. If it is a string, it will be spliced into a string, and if it is a list, it will be spliced into a list. The example code is as follows:

{{value | add: "2"}}

If value is equal to 4, then the result will be 6. 5. If value is equal to an ordinary string, such as' abc', then the result will be abc2.

II. Cut

Removes all specified strings from the value. Similar to replace (args, ") in python. Example code:

{{value | cut: ""}}

III. Date

Formats a date into a string in the specified format. The example code is as follows:

# data

Context= {

"today": datetime.now ()

}

# template

{{value | date:'Y/m/d'}}

The result is 2019-12-30. Where Y represents a four-digit year, m represents a two-digit month, and d represents a two-digit day. There are other ways of formatting time.

Y: four-digit year

M: double-digit month

N: month, there is no 0 prefix before 1-9

D: double-digit days

J: God, there is no 0 prefix before 1-9.

G: hours, 12-hour format, 1-9 is not preceded by a 0 prefix

H: hours, 12-hour format, 1-9 preceded by a prefix of 0

G: hour, 24-hour format, 1-9 is not preceded by a 0 prefix

H: hours, 24-hour format, 1-9 with a prefix of 0

I: minutes, 1-9 with a prefix of 0

S: seconds, 1-9 prefixed with 0

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