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API:Obrázky

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This page is a translated version of the page API:Images and the translation is 100% complete.
Languages:
Verze MediaWiki:
≥ 1.11

Žádost GET pro zobrazení seznamu vložených mediálních souborů na poskytnutých stránkách.

Tento modul lze použít jako zdroj .

Dokumentace API

prop=images (im)

(main | query | images)
  • This module requires read rights.
  • This module can be used as a generator.
  • Source: MediaWiki
  • License: GPL-2.0-or-later

Returns all files contained on the given pages.

Specific parameters:
Other general parameters are available.
imlimit

How many files to return.

Type: integer or max
The value must be between 1 and 500.
Default: 10
imcontinue

When more results are available, use this to continue. More detailed information on how to continue queries can be found on mediawiki.org.

imimages

Only list these files. Useful for checking whether a certain page has a certain file.

Separate values with | or alternative.
Maximum number of values is 50 (500 for clients that are allowed higher limits).
imdir

The direction in which to list.

One of the following values: ascending, descending
Default: ascending
Examples:
Get a list of files used on the page MediaWiki.
api.php?action=query&prop=images&titles=MediaWiki [open in sandbox]
Get information about all files used on the page MediaWiki.
api.php?action=query&generator=images&titles=MediaWiki&prop=info [open in sandbox]


Příklad

Dotazování přes GET

V níže uvedeném dotazu voláme API, abychom získali seznam obrazových souborů vložených na stránku anglické Wikipedie na Albert Einstein.
api.php?action=query&titles=Albert%20Einstein&format=json&prop=images [zkuste v ApiSandbox]

Odpověď

{
    "continue": {
        "imcontinue": "736|Albert_Einstein_signature_1934.svg",
        "continue": "||"
    },
    "query": {
        "pages": {
            "736": {
                "pageid": 736,
                "ns": 0,
                "title": "Albert Einstein",
                "images": [
                    {
                        "ns": 6,
                        "title": "File:1919 eclipse positive.jpg"
                    },
                    {
                        "ns": 6,
                        "title": "File:Albert Einstein's exam of maturity grades (color2).jpg"
                    },
                    {
                        "ns": 6,
                        "title": "File:Albert Einstein (Nobel).png"
                    },
                    ...
                ]
            }
        }
    }
}

Ukázkový kód

Python

#!/usr/bin/python3

"""
    get_page_images.py

    MediaWiki API Demos
    Demo of `Images` module: Send a GET request to obtain a JSON
	object listing all of the image files embedded on a single page

    MIT License
"""

import requests

S = requests.Session()

URL = "https://en.wikipedia.org/w/api.php"

PARAMS = {
    "action": "query",
    "format": "json",
    "titles": "Albert Einstein",
    "prop": "images"
}

R = S.get(url=URL, params=PARAMS)
DATA = R.json()

PAGES = DATA['query']['pages']

for k, v in PAGES.items():
    for img in v['images']:
        print(img["title"])

PHP

<?php
/*
    get_page_images.php

    MediaWiki API Demos
    Demo of `Images` module: Send a GET request to obtain a JSON
	object listing all of the image files embedded on a single page

    MIT License
*/

$endPoint = "https://en.wikipedia.org/w/api.php";
$params = [
    "action" => "query",
    "prop" => "images",
    "titles" => "Albert Einstein",
    "format" => "json"
];

$url = $endPoint . "?" . http_build_query( $params );

$ch = curl_init( $url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
$output = curl_exec( $ch );
curl_close( $ch );

$result = json_decode( $output, true );

foreach( $result["query"]["pages"] as $k => $v ) {
    foreach( $v["images"] as $k => $v ) {
        echo( $v["title"] . "\n" );
    }
}

JavaScript

/*
    get_page_images.js

    MediaWiki API Demos
    Demo of `Images` module: Send a GET request to obtain a JSON
	object listing all of the image files embedded on a single page

    MIT License
*/

var url = "https://en.wikipedia.org/w/api.php"; 

var params = {
    action: "query",
    prop: "images",
    titles: "Albert Einstein",
    format: "json"
};

url = url + "?origin=*";
Object.keys(params).forEach(function(key){url += "&" + key + "=" + params[key];});

fetch(url)
    .then(function(response){return response.json();})
    .then(function(response) {
        var pages = response.query.pages;
        for (var page in pages) {
            for (var img of pages[page].images) {
                console.log(img.title);
            }
        }
    })
    .catch(function(error){console.log(error);});

MediaWiki JS

/*
	get_page_images.js

	MediaWiki API Demos
	Demo of `Images` module: Send a GET request to obtain a JSON
	object listing all of the image files embedded on a single page

	MIT License
*/

var params = {
		action: 'query',
		prop: 'images',
		titles: 'Albert Einstein',
		format: 'json'
	},
	api = new mw.Api();

api.get( params ).done( function ( data ) {
	var pages = data.query.pages,
		page;
	for ( page in pages ) {
		pages[ page ].images.forEach( function ( img ) {
			console.log( img.title );
		} );
	}
} );

Demo aplikace

Historie parametrů

  • v1.13: Představeno imcontinue, imlimit
  • v1.18: Představeno imimages
  • v1.19: Představeno imdir

Související odkazy

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