Python笔记-Flask返回字符串、Json、模板数据
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Python笔记-Flask返回字符串、Json、模板数据
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這里主要是回數據給前端，其中Json，和模板最為常見
程序運行截圖如下：
字符串：
Json：
模板：
程序結構如下：
源碼如下：
application.py
from flask import Flask from controller import index_pageapp = Flask(__name__)app.register_blueprint(index_page, url_prefix = "/it1995")if __name__ == "__main__":app.run(host = "0.0.0.0", debug=True)controller.py
from flask import Flask, Blueprint, request, make_response, jsonify, render_templateindex_page = Blueprint("index_page", __name__)@index_page.route("/text") def text():return "text/html"@index_page.route("/text_same") def text_same():response = make_response("text/html", 200)return response@index_page.route("/json") def json():import jsondata = {"a" : "b"}response = make_response(json.dumps(data))response.headers["Content-Type"] = "application/json"return response@index_page.route("/json_same") def json_same():data = {"a" : "b"}response = make_response(jsonify(data))return response@index_page.route("/template") def template():name = "Hello World"context = {"name" : name}context['user'] = {"nickname" : "IT1995", "qq" : "570176391", "url" : "www.it1995.cn"}context['num_list'] = [1, 2, 3, 4, 5]return render_template("index.html", **context)@index_page.route("/index3") def index3page():return render_template("index3.html")@index_page.route("/index4") def index4page():return render_template("index4.html")layout.html
<!DOCTYPE html> <html lang="en"> <head><meta charset="UTF-8"><title>統一模版</title> </head> <body> {%block content%} {%endblock%} </body> </html>index.html
<!DOCTYPE html> <html lang="en"> <head><meta charset="UTF-8"><title>Title</title> </head> <body> Hello <p>{% if user %}{{user.nickname}} 聯系QQ: {{user.qq}} 主頁: {{user.url}}{% endif %} </p> <p>{% for tmp_num in num_list %}{{tmp_num}}{% endfor %} </p> </body> </html>index3.html
{% extends "common/layout.html" %} {% block content %} How are you {% endblock %}index4.html
{% extends "common/layout.html" %} {% block content %} How old are you {% endblock %}?
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