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CodingEntrepreneurs Django 강의 정리
onclick>
개체를 클릭하면 이벤트 핸들러가 호출된다.
Bootstrap Button>
https://getbootstrap.com/docs/4.0/components/buttons/
Buttons
Use Bootstrap’s custom button styles for actions in forms, dialogs, and more with support for multiple sizes, states, and more.
getbootstrap.com
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class='mb-4 tweet' id='tweet-1'>
<p>hello world</p>
<div class='btn-group'>
<button class='btn btn-primary btn-sm'>20 Likes</button>
</div>
</div>
</body>
</html>
home.html>
<!-- templates/pages/home.html -->
{% extends 'base.html' %}
{% block head_title %}
this is amazing!!!!
{% endblock head_title%}
{% block content %}
Welcome to Tweetme 2
<div id='tweets'>
Loading...
</div>
<script>
const tweetsElement = document.getElementById("tweets") // get an html element
// tweetsElement.innerHTML = 'Loading...' // set new html in that element
// var el1 = "<h1>Hi there 1</h1>"
// var el2 = "<h1>Hi there 2</h1>"
// var el3 = "<h1>Hi there 3</h1>"
// tweetsElement.innerHTML = el1 + el2 + el3
const xhr = new XMLHttpRequest()
const method = 'GET' // "POST"
const url = "/tweets"
const responseType = "json"
function handleDidLike(tweet_id, currentCount) {
console.log(tweet_id, currentCount)
return
}
function LikeBtn(tweet) {
return "<button class='btn btn-primary btn-sm' onclick=handleDidLike(" +
tweet.id + "," + tweet.likes + ")>" + tweet.likes + "Likes</button>"
}
function formatTweetElement(tweet) {
var formattedTweet = "<div class='mb-4 tweet' id='tweet-" + tweet.id
+ "'><p>" + tweet.content +
"</p><div class='btn-group'>" + LikeBtn(tweet) +
"</div></div>"
return formattedTweet
}
xhr.responseType = responseType
xhr.open(method, url)
xhr.onload = function () {
const serverResponse = xhr.response
const listedItems = serverResponse.response // array
var finalTweetStr = ""
var i;
for (i = 0; i < listedItems.length; i++) {
var tweetObj = listedItems[i]
var currentItem = formatTweetElement(tweetObj)
finalTweetStr += currentItem
}
tweetsElement.innerHTML = finalTweetStr
// console.log(listedItems)
}
xhr.send()
</script>
{% endblock content %}
views.py>
# tweets/views.py
import random
from django.http import HttpResponse, Http404, JsonResponse
from django.shortcuts import render
from .models import Tweet
# Create your views here.
def home_view(request, *args, **kwargs):
return render(request, "pages/home.html", context={}, status=200)
def tweet_list_view(request, *args, **kwargs):
"""
REST API VIEW
Consume by JavaScript or Swift or Java/ios/Andriod
return json data
"""
qs = Tweet.objects.all()
tweets_list = [
{"id": x.id, "content": x.content, "likes": random.randint(0, 1000)} for x in qs
]
data = {"isUser": False, "response": tweets_list}
return JsonResponse(data)
def tweet_detail_view(request, tweet_id, *args, **kwargs):
"""
REST API VIEW
Consume by JavaScript or Swift or Java/ios/Andriod
return json data
"""
data = {
"id": tweet_id,
}
status = 200
try:
obj = Tweet.objects.get(id=tweet_id)
data["content"] = obj.content
except:
data["message"] = "Not Found"
status = 404
return JsonResponse(
data, status=status
) # json.dumps content_type='application/json'
결과물>
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