pu49jl8nb/app.py

from flask import Flask,render_template,request,redirect
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
db = SQLAlchemy(app)


app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://root:@127.0.0.1:3306/epidemic2'


class Donor(db.Model):
    donor_code = db.Column(db.String(255),primary_key=True)
    donor_name = db.Column(db.String(255))
    type1 = db.Column(db.String(255))
    ded_name = db.Column(db.String(255))
    ded_code = db.Column(db.String(255))
    amount = db.Column(db.Integer)
    date = db.Column(db.String(255))
    trans = db.Column(db.String(255))

db.create_all()




@app.route("/select")

def selectAll():
    donorList = Donor.query.all()
    return render_template("index.html", donor_list=donorList)

@app.route('/')
def index():
    return selectAll()

    # 添加数据

@app.route('/insert', methods=['GET', 'POST'])
def insert():
    # 进行添加操作
    donor_code = request.form['donor_code']
    donor_name = request.form['donor_name']
    type1 = request.form['type1']
    ded_name = request.form['ded_name']
    ded_code = request.form['ded_code']
    amount = request.form['amount']
    date = request.form['date']
    trans = request.form['trans']
    donor = Donor(donor_code=donor_code, donor_name=donor_name, type1=type1, ded_name=ded_name, ded_code=ded_code, amount= amount, date=date, trans=trans)
    db.session.add(donor)
    db.session.commit()

    # 添加完成重定向至主页
    return redirect('/')

@app.route("/insert_page")
def insert_page():
    # 跳转至添加信息页面
    return render_template("insert.html")

    # 删除数据

@app.route("/delete", methods=['GET'])
def delete():
    # 操作数据库得到目标数据，before_number表示删除之前的数量，after_name表示删除之后的数量
    donor_code = request.args.get("donor_code")
    donor = Donor.query.filter_by(donor_code=donor_code).first()
    db.session.delete(donor)
    db.session.commit()
    return redirect('/')

    # 修改操作
@app.route("/alter", methods=['GET', 'POST'])
def alter():
    # 可以通过请求方式来改变处理该请求的具体操作
    #	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
    if request.method == 'GET':
        donor_code = request.args.get("donor_code")
        donor_name = request.args.get("donor_name")
        type1 = request.args.get("type1")
        ded_name = request.args.get("ded_name")
        ded_code = request.args.get("ded_code")
        amount = request.args.get("amount")
        date = request.args.get("date")
        trans = request.args.get("trans")
        donor = Donor(donor_code=donor_code, donor_name=donor_name, type1=type1, ded_name=ded_name,ded_code=ded_code,
                      amount=amount, date=date, trans=trans)
        return render_template("alter.html", donor=donor)
    else:
        donor_code = request.form["donor_code"]
        donor_name = request.form['donor_name']
        type1 = request.form['type1']
        ded_name = request.form['ded_name']
        ded_code = request.form['ded_code']
        amount = request.form['amount ']
        date = request.form['date']
        trans = request.form['trans']
        donor = Donor.query.filter_by(donor_code=donor_code).first()
        donor.donor_name = donor_name
        donor.type1 = type1
        donor.ded_name = ded_name
        donor.ded_code = ded_code
        donor.amount = amount
        donor.date = date
        donor.trans = trans
        db.session.commit()
        return redirect('/')

if __name__ == "__main__":
    app.run(debug=True)