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nodejs-wechatpay

v1.2.4

Published

微信支付 服务商版本,普通商户版本 nodejs 接口实现 wechatpay apiv2 支付回调

Downloads

9

Readme

nodejs-wechatpay-v2 是什么?

一个实现了微信支付apiv2的nodejs库,包括微信支付服务商体系,2015年由作者开发并实际使用至今,一直稳定运行,封装简单,实用主义,适合新手。 核心功能一直在实际项目中运行 为了完整性添加了一些不常用的API实现,现实中并不常用,如有问题 欢迎反馈 [email protected]

nodejs-wechatpay-v2 有什么主要功能?

  • 微信支付服务商接口实现
  • 微信支付普通商户接口实现

如何使用

安装引用

可以直接下载源码后直接引用也可以npm安装

执行命令:npm install nodejs-wechatpay

创建实例

实例化服务商

const { WechatPayPartner } = require('nodejs-wechatpay')//服务商
const wxpayPartner = new WechatPayPartner( {
	appid:'', //主商户对应的appid 必填
	mch_id:'',//主商户号 必填
	sub_appid:null, //子商户号对应的appid 可以传null
	sub_mch_id:'',//子商户号 必填
	key:'',//主商户号对应的key 必填
	notify_url:"",//支付回调地址 须公网可访问 
    ip:'',//发起请求的ip 
    cert:'',//  apiclient_cert.p12 文件路径; 必填
    profit_sharing:'N',// 是否分账 可以不传 默认不分账  ,
    debug:false // 默认false 开启会打印发送信息到console
});

实例化普通商户

const { WechatPay } = require('nodejs-wechatpay')
const wxpay = new WechatPay( { // 普通商户
	appid:'', //商户对应的appid 必填
	mch_id:'',//商户号 必填
	key:'',//商户号对应的key 必填
	notify_url:"",//支付回调地址 须公网可访问 
    ip:'',//发起请求的ip 
    cert:'',//  apiclient_cert.p12 文件路径; 必填
    profit_sharing:'N',// 是否分账 可以不传 默认不分账  ,
    debug:false // 默认false 开启会打印发送信息到console
});

接口约定

1:方法名为微信支付api url最后单词 全部小写 如发红包接口url https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack 则 发红包调用方法 wxpayPartner.sendredpack()

2: 所以方法都有 success(成功回调) fall(失败回调) complete(完成回调) 三个回调函数 自行调节

统一下单接口 unifiedorder

wxpayPartner.unifiedorder({ //统一下单
    money:100,//支付金额 单位:元
    openid:"xxxxxx",//必传
    body:"",//支付文字内容
    out_trade_no:"xxx",//32位 不传会随机生成 建议自行维护
    trade_type:"NATIVE",//可以不传 默认为 JSAPI 
    notify_url:"可以不传",//不传则为实例上的notify_url
    success:function(r){console.log(r)},//成功回调,可以为空
    fall:function(r){console.log(r)},//失败回调,可以为空
    complete:function(r){console.log(r)}// 完成回调 不管成功失败都会调用,可以为空
})

*所以接口形式都一样,接口参数加上 success fall complete 三个回调函数 自行调节

例子:统一下单

wxpayPartner.pay 为 wxpayPartner.unifiedorder 别名

// 
wxpayPartner.pay({ //适用于公众号 小程序支付
	body:'买一个',
	money: 10,
	openid:'ortoKwa920J3j0rQo0z_aqJOd_F4',
    success:function(r){
        //JSAPI返回值示例
         {
            return_code: 'SUCCESS',
            return_msg: 'OK',
            result_code: 'SUCCESS',
            mch_id: 'xxxxx',
            appid: 'xxxxx',
            sub_mch_id: '147xxxxx3202602',
            nonce_str: 'gx2OFxAimo8zVSlM',
            sign: 'F176617F873BE2F4D25D292FA85C749A',
            prepay_id: 'wx241524234819671fa78f8ab6cd0e050000',
            trade_type: 'JSAPI',
            jsapi_sign: { //只有在success函数中会对api进行paysign签名 可以直接在公众号小程序中使用
              timeStamp: '1629789863',
              nonceStr: '9552795855f189d6a96773323c8d4d29',
              package: 'prepay_id=wx241524234819671fa78f8ab6cd0e050000',
              signType: 'MD5',
              paySign: '33495814BEE8BF0F695E4C0C7C1DBC41',
              out_trade_no: '6c331f639d49c4bcbd81f45b574d1415'
            }
          }
    }
})
})

** jsapi_sign //此字段只有在success函数中会有 是对预支付prepay_id 进行paysign签名后的结果 可以直接在公众号小程序中使用

例子:二维码支付

  • payNative 是 unifiedorder({trade_type:"NATIVE"}) 简写
 wxpayPartner.payNative({ // payNative 是 unifiedorder({trade_type:"NATIVE"}) 简写
	body:'买一个',
	money: 10,
	openid:'ortoKwa920J3j0rQo0z_aqJOd_F4',
    success:function(r){
        //JSAPI返回值示例
        r == {
            return_code: 'SUCCESS',
            return_msg: 'OK',
            result_code: 'SUCCESS',
            mch_id: 'xxxxx',
            appid: 'xxxxxxxxxxx',
            sub_mch_id: 'xxxxxxx',
            nonce_str: 'ecezq8fFRjAx1YuM',
            sign: 'A50E77ECD9D8C413FC4CBFE6332ABBDE',
            prepay_id: 'wx24155740491366bcc45e81063590060000',
            trade_type: 'NATIVE',
            code_url: 'weixin://wxpay/bizpayurl?pr=eE2yFA7zz' //此为二维码url
          }
    }
})

micropay 付款码支付接口

注意 需要专门此开通权限

 wxpayPartner.micropay({  
	money: 10,//金额 元  必传
    auth_code:auth_code,//付款码扫描结果 必传!!!
    body:'买一个',
    out_trade_no:out_trade_no,//可不传
    success:function(r){
    }
}

sendredpack 发普通红包接口

注意 需要专门此开通权限 红包金额有一定限制

 wxpayPartner.sendredpack({  
	money: 10,//金额 元  必传,
    total_num:total_num//红包发放总人数
    openid:"openid",// 必传!!!
    send_name:'商户名称',
    wishing:'红包祝福语',
    act_name:'活动名称',
    remark:'备注信息',
    out_trade_no:out_trade_no,//可不传
    success:function(r){
    }
}

订单相关

orderquery 查询订单

closeorder 完结订单

refund 退款

下载相关

downloadBill 下载交易账单

downloadfundflow 下载资金账单

付款相关 只有普通商户才有此类接口

transfers 企业付款 付款到微信零钱

pay_bank 付款得到银行卡

红包相关

sendredpack 发放裂变红包

sendgroupredpack 发放裂变红包

gethbinfo 查询红包记录

分账相关

profitsharingaddreceiver 添加分账接收方

profitsharingremovereceiver 删除分账接收方

profitsharingfinish 完结分账

profitsharing 请求单次分账

multiprofitsharing 请求多次分账

profitsharingquery 查询分账结果

profitsharingorderamountquery 查询订单待分账金额

profitsharingreturn 分账回退

profitsharingreturnquery 分账回退结果查询