html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script src="./node_modules/vue/dist/vue.js"></script> <!--http://www.axios-js.com/zh-cn/--> <script src="./node_modules/axios/dist/axios.js"></script> </head> <body> <div id="app"></div> <script> Vue.prototype.$axios = axios; axios.defaults.baseURL = 'http://127.0.0.1:5000'; var App = { template: `<div> <button @click="sendAjax">发送get</button> <button @click="sendAjaxPost">发送post</button> {{datas}} </div>`, data: function () { return { msg: '', datas: [], } }, methods: { sendAjax: function () { this.$axios.get('/') .then(function (response) { console.log(response); }) .catch(function (error) { console.log(error); }); }, sendAjaxPost: function () { var params = new URLSearchParams(); params.append('name', 'hg'); _this = this;//不使用=>时，this在axios中代表window this.$axios.post('/create', params) .then((response) => { console.log(response); console.log(this);//this为window console.log(_this);//_this为Vue // _this.datas = response this.datas = response //推荐使用=>箭头函数 }) .catch(function (error) { console.log(error); }); } } }; new Vue({ el: "#app", template: '<App />', components: { App } }) </script> </body> </html>
flask
from flask import Flask from flask import request from flask import Response import json # from flask_cors import CORS app = Flask(__name__) # CORS(app, supports_credentials=True) # 默认是get请求 @app.route("/") def index(): resp = Response("<h2>首页</h2>") resp.headers["Access-Control-Allow-Origin"] = "*" return resp @app.route("/course") def courses(): resp = Response(json.dumps({ "name": 'alex' })) resp.headers["Access-Control-Allow-Origin"] = "*" return resp @app.route("/create", methods=["post", ]) def create(): print(request.form.get('name')) with open("user.json", "r") as f: # 将数据反序列化 data = json.loads(f.read()) data.append({"name": request.form.get('name')}) with open("user.json", "w") as f: f.write(json.dumps(data)) resp = Response(json.dumps(data)) resp.headers["Access-Control-Allow-Origin"] = "*" # resp.headers["Access-Control-Allow-Methods"] = "*" # resp.headers['Access-Control-Allow-Origin'] = '*' # resp.headers['Access-Control-Allow-Methods'] = 'GET,POST' # resp.headers['Access-Control-Allow-Headers'] = 'x-requested-with,content-type' return resp if __name__ == '__main__': app.run()