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95 lines
3.4 KiB
95 lines
3.4 KiB
from flask import Flask, render_template, request, redirect
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from flask_sqlalchemy import SQLAlchemy
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app = Flask(__name__)
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app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://root:zuohao1217@127.0.0.1:3306/test3'
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db = SQLAlchemy(app)
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class Importation(db.Model):
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data = db.Column(db.String(255), primary_key=True, autoincrement=True)
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province = db.Column(db.String(255))
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add_input = db.Column(db.Integer)
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new_confirmed = db.Column(db.Integer)
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total_confirmed = db.Column(db.Integer)
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total_recovery = db.Column(db.Integer)
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@app.route("/select_all")
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def select_all():
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importationList = Importation.query.order_by(Importation.data.asc()).all() #拿到数据库数据
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return render_template("index.html", importation_list = importationList)
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@app.route("/")
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def index():
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return select_all()
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#跳转提交页面
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@app.route("/insert_page")
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def insert_page():
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return render_template("insert.html")
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#提交功能
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@app.route("/insert",methods=['GET','POST'])
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def insert():
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#接收用户的数据
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data = request.form['data']
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province = request.form['province']
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add_input = request.form['add_input']
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new_confirmed = request.form['new_confirmed']
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total_confirmed = request.form['total_confirmed']
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total_recovery = request.form['total_recovery']
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importation = Importation(data=data,province=province,add_input=add_input,new_confirmed=new_confirmed,total_confirmed=total_confirmed,total_recovery=total_recovery)
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db.session.add(importation)
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db.session.commit()
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return redirect('/')
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#实现删除功能
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@app.route("/delete",methods=['GET'])
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def delete():
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data = request.args.get("data")
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importation = Importation.query.filiter_by(data=data).first()
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db.session.delete(importation)
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db.session.commit()
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return redirect('/')
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#修改操作
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@app.route("/alter",methods=['GET','POST'])
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def alter():
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# 可以通过请求方式来改变处理该请求的具体操作
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# 比如用户访问/alter页面 如果通过GET请求则返回修改页面 如果通过POST请求则使用修改操作
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if request.method == 'GET':
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data = request.args.get("data")
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province = request.args.get("province")
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add_input = request.args.get("add_input")
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new_confirmed = request.args.get("new_confirmed")
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total_confirmed = request.args.get("total_confirmed")
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total_recovery = request.args.get("total_recovery")
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importation = Importation(data = data,province=province,add_input=add_input,new_confirmed = new_confirmed,total_confirmed=total_confirmed,total_recovery=total_recovery)
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return render_template("alter.html",importation = importation)
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else:
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#接收参数，修改数据
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data = request.form["data"]
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province = request.form['province']
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add_input = request.form['add_input']
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new_confirmed = request.form['new_confirmed']
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total_confirmed = request.form['total_confirmed']
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total_recovery = request.form['total_recovery']
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importation = Importation.query.filter_by(data=data).first()
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importation.province = province
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importation.add_input = add_input
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importation.new_confirmed = new_confirmed
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importation.total_confirmed = total_confirmed
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importation.total_recovery = total_recovery
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db.session.commit()
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return redirect('/')
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if __name__ == '__main__':
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app.run()
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