# 在Flask的init.py的create_app():加app.config 4个 ``` def create_app(): #微信支付1.程序id： 2.商户号id 3.商户号钥匙 4.回调链接 app.config['WEIXIN_APP_ID'] = '' app.config['WEIXIN_APP_MCH_ID'] ='' app.config['WEIXIN_APP_MCH_KEY'] ='' app.config['WEIXIN_NOTIFY_URL'] ='' ``` #加上2个JS ``` ``` #html做一个按钮、二维码、关闭 ```

500点

``` button点击onclick，creat_order(this)方法 button的value建议用一个自己知道的字符串 div qrcode1 准备二维码 img 点击onclick，close_order(this)方法关闭支付 #JS的creat_order(this)方法 ``` var interval = ''; //下单 //点击微信支付按钮 function creat_order(obj) { if ($(this).attr('disabled') == 'disabled') { return false; } var $box_btn = $(obj);//这个按钮 var $idinfo = $box_btn.attr("id");//这个按钮的id var $valueinfo = $box_btn.attr("value");//这个按钮的value var $box = $box_btn.parent();//这个按钮的div var $box_X= $box.find("img");//X图片 var $qrcodeDiv = $box.find("div").find("div");//qrcode标签div $.ajax({ type: "POST", dataType: "json", url: "/cloud/weixinpay", data: { //表单信息 bbox:$valueinfo }, beforeSend: function () { $box_btn.text("正在生成支付二维码...请稍候"); $box.animate({height: '550px'}, "slow"); $box_X.animate({opacity: '1'}, "slow"); }, success: function (data) { if (data.status == "1") { //二维码 var qrcode = new QRCode($qrcodeDiv[0], {text: data.qrcode, width: 200, height: 200}); $box_btn.text("手机微信扫码支付"); //轮询 interval = window.setInterval(function () { pay_status(data.order_id) }, 3000); } else { //失败 alert("系统错误停止操作"); } } }); return false; } ``` #JS的pay_status()加上轮询 ``` //轮询 function pay_status(order_id){ $.ajax({ type: "POST", dataType: "json", url: "/pay/weixinorder_status", //async:false, data:{order_id:order_id}, success: function (data) { if (data.status=="已付款"){ // 销毁定时任务 window.clearInterval(interval); //关闭模态 //$('#weixin-pay-model').modal('hide'); $("#close-model").click(); window.location.href = "/pudding"; //跳转 } else{ console.log("失败，重新"); } } }); return false; }; ``` #JS的close_order(this)方法 ``` //停止按钮 function close_order(obj) { var $box_img = $(obj);//X图片 var $box = $box_img.parent();//大div $box.animate({height: '400px'}, "slow"); $box_img.animate({opacity: '0'}, "slow"); // 销毁定时任务 window.clearInterval(interval); $('#qrcode1').empty(); }; ``` #JS加上qrcode.min.js #Flask生成订单/cloud/weixinpay ``` #微信支付 #登录-多了个openid @wechat.route('/cloud/weixinpay', methods=['post']) def weixinpay(): #判断有没有session if session.get('unionid') is not None: #判断有没有state if session.get('state') is not None: unionid = session.get('unionid')#从浏览器拿session拿unionid openid = session.get('openid')#从浏览器拿session拿openid headimgurl = session.get('headimgurl') #从浏览器拿session拿headimgurl nickname = session.get('nickname')#从浏览器拿session拿nickname state = session.get('state')#从浏览器拿session拿state session['unionid'] = unionid#设置session('unionid',unionid) session['nickname'] = nickname#设置session('nickname',nickname) session['headimgurl'] = headimgurl#设置session('headimgurl',headimgurl) session['state'] = state#设置session('state',state) session.permanent = True #开启session时间限制 #上面是检验登陆 #此处加逻辑 ################## price = request.form.get('price') bbox = request.form.get('bbox') if bbox == "XXXXX": total_fee = 4900 else: return "error" # 1.拿过数据后，进行出处理逻辑 # 2.调用统一下单api，这四个参数都是必须的 # 初始化 pay = WeixinPay(app_id=app.config["WEIXIN_APP_ID"], mch_id=app.config["WEIXIN_APP_MCH_ID"], mch_key=app.config["WEIXIN_APP_MCH_KEY"], notify_url=app.config["WEIXIN_NOTIFY_URL"]) out_trade_no = pay.nonce_str#生成订单号 ip = request.remote_addr#获取ip地址 Wechatdatabase_id = Wechatdatabase.query.filter_by(unionid=unionid).first().id order_name = total_fee/100 order = Wechatdatabaseorder(openid=openid,nickname=nickname,unionid=unionid,out_trade_no=out_trade_no,order_name=order_name,state="未付款",time_end=0,total_fee=total_fee,spbill_create_ip=ip,Wechatdatabase_id=Wechatdatabase_id) db.session.add(order) db.session.commit() print(out_trade_no) try: # 统一支付api,trade_type：支付类型，当为native时，product_id参数必须要有，body为订单内容，out_rade_no：订单号，total_fee：费用，分为单位，attch:附加消息。 # pay_info = pay.unified_order(trade_type="NATIVE", product_id=product_id, body="test", out_trade_no=out_trade_no, pay_info = pay.unified_order(trade_type="NATIVE", product_id=62, body="test", out_trade_no=out_trade_no, total_fee=total_fee, attach="other info ") except WeixinError as e: print(e) return make_response(jsonify({ "status": 1, "info": pay_info, # 返回给ajax的订单信息, "qrcode": pay_info.code_url, "order_id": out_trade_no, })) else: return ('404') else: return redirect(url_for('wechat.login')) ``` #Flask订单成功后微信会返回 ``` # 接受微信系统，支付成功回调的方法 @wechat.route("/pay/notify", methods=["post", "get"]) def pay_notify(): """ 微信异步通知 """ # 微信发过来的数据，xml格式 data = request.data data = pay.to_dict(request.data.decode('utf-8')) pay = WeixinPay(app_id=app.config["WEIXIN_APP_ID"], mch_id=app.config["WEIXIN_APP_MCH_ID"], mch_key=app.config["WEIXIN_APP_MCH_KEY"], notify_url=app.config["WEIXIN_NOTIFY_URL"]) if not pay.check(data): return pay.reply("签名验证失败", False) # 处理业务逻辑 # 把数据写去Charge模型中去 return pay.reply("OK", True) ``` #Flask轮询 ``` #我查微信系统 @wechat.route("/pay/weixinorder_status", methods=["POST"]) def weixinorder_status(): #判断有没有session if session.get('unionid') is not None: #判断有没有state if session.get('state') is not None: #从浏览器拿session拿unionid unionid = session.get('unionid')#从浏览器拿session拿unionid headimgurl = session.get('headimgurl')#从浏览器拿session拿headimgurl nickname = session.get('nickname')#从浏览器拿session拿nickname state = session.get('state')#从浏览器拿session拿state session['unionid'] = unionid#设置session('unionid',unionid) session['nickname'] = nickname #设置session('nickname',nickname) session['headimgurl'] = headimgurl#设置session('headimgurl',headimgurl) session['state'] = state#设置session('state',state) session.permanent = True#开启session时间限制 #上面是检验登陆 #此处加逻辑 ################## if request.method == 'POST': # 查询订单 pay = WeixinPay(app_id=app.config["WEIXIN_APP_ID"], mch_id=app.config["WEIXIN_APP_MCH_ID"], mch_key=app.config["WEIXIN_APP_MCH_KEY"], notify_url=app.config["WEIXIN_NOTIFY_URL"]) order_id = request.form.get('order_id') try: query_info = pay.order_query(out_trade_no=order_id) print("查询信息", query_info) if query_info["result_code"] == "SUCCESS" and query_info["return_code"] == "SUCCESS": print("支付状态", query_info["trade_state"]) if query_info["trade_state"] == "SUCCESS": print("支付成功") #更新订单数据 out_trade_no = query_info.get("out_trade_no")#微信-订单号 time_end = query_info.get("time_end")#微信-支付完成时间 order = Wechatdatabaseorder.query.filter_by(out_trade_no=out_trade_no).first()#根据订单号查记录 order.state = "已付款" #修改数据 order.time_end = time_end #修改支付完成时间 #更新用户数据 total_fee = int(query_info.get("total_fee")) #自己写 #增加点数 if total_fee == 4900: add_points = 500 else: return "error" #自己写啦 #提交操作到数据库 db.session.commit() #返回订单状态status=1 status = str(Wechatdatabaseorder.query.filter_by(out_trade_no=out_trade_no).first().state) data = {"status": status} return jsonify(data) except WeixinError as e: print(e) else: return ('404') else: return redirect(url_for('wechat.login')) ```

Flask - url_for("蓝图.方法") - 转到另一个函数

url_for

和redirect一起使用url_for