var WXPay = require('node-wxpay');
    
    var wxpay = WXPay({
    	appid: 'xxxxxxxx',
    	mch_id: '1234567890',
    	partner_key: 'xxxxxxxxxxxxxxxxx',
    	pfx: fs.readFileSync('./wxpay_cert.p12'),
    });
    
    //原生 扫码支付
    wxpay.createUnifiedOrder({
    	body: '扫码支付测试',
    	out_trade_no: '20140703'+Math.random().toString().substr(2, 10),
    	total_fee: 1,
    	spbill_create_ip: '192.168.2.210',
    	notify_url: 'http://wxpay_notify_url',
    	trade_type: 'NATIVE',
    	product_id: '1234567890'
    }, function(err, result){
    	console.log(result);
    });

    // 通过微信订单号查
    wxpay.queryOrder({ transaction_id:"xxxxxx" }, function(err, order){
    	console.log(order);
    });
    
    // 通过商户订单号查
    wxpay.queryOrder({ out_trade_no:"xxxxxx" }, function(err, order){
    	console.log(order);
    });

    wxpay.closeOrder({ out_trade_no:"xxxxxx"}, function(err, result){
    	console.log(result);
    });

    var url = wxpay.createMerchantPrepayUrl({ product_id: '123456' });

    wxpay.getBrandWCPayRequestParams({
    	openid: '微信用户 openid',
    	body: '公众号支付测试',
        detail: '公众号支付测试',
    	out_trade_no: '20150331'+Math.random().toString().substr(2, 10),
    	total_fee: 1,
    	spbill_create_ip: '192.168.2.210',
    	notify_url: 'http://wxpay_notify_url'
    }, function(err, result){
    	// in express
        res.render('wxpay/jsapi', { payargs:result })
    });

    WeixinJSBridge.invoke(
    	"getBrandWCPayRequest", <%-JSON.stringify(payargs)%>, function(res){
    		if(res.err_msg == "get_brand_wcpay_request:ok" ) {
        		// success
        	}
    });

    
    wxpay.createEnterprisePay({
        openid: openid,
        desc: desc,
        partner_trade_no: '' + y + m + d +Math.random().toString().substr(2, 10),
        amount: amount * 100,
        spbill_create_ip: '180.76.133.56'
    }, function(err, result){
       
        console.log('------企业付款-----'+JSON.stringify(result));
    });

    // 原生支付回调
    app.use('/wxpay/native/callback', wxpay.useWXCallback(function(msg, req, res, next){
    	// msg: 微信回调发送的数据
    }));
    
    // 支付结果异步通知
    app.use('/wxpay/notify', wxpay.useWXCallback(function(msg, req, res, next){
    	// 处理商户业务逻辑
        
        // res.success() 向微信返回处理成功信息，res.fail()返回失败信息。
        res.success();
    }));