一、前提条件:后端已经生成了支付链接
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微信是支持H5在非微信内核的浏览器调起支付的,只是流程很麻烦,需要企业账号申请才行,并且周期较长。微信官方开通说明
申请入口:登录商户平台–>产品中心–>我的产品–>支付产品–>H5支付
二、H5和App做交互,将生成的订单传给App
大致流程:在App中使用WebView加载H5页面,H5页面请求接口成功后,将得到支付链接传给App,App再调起支付宝或者微信的支付界面,完成最终的付款操作。
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使用Scheme唤起支付宝的支付界面,
付款Scheme:“alipays://platformapi/startapp?appId=20000067”
一定要对支付的**url内容做URLEncoder.encode编码**:不然唤起支付界面失败。//跳转支付宝支付 val url = "alipays://platformapi/startapp?appId=20000067&url=${ URLEncoder.encode(it.data)}" val intent = Intent(Intent.ACTION_VIEW, Uri.parse(url)) startActivity(intent)
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由于微信未开通H5支付功能,但是又不想在App中接入微信支付的SDK,所以就有下面的结局方案。
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将支付链接生成二维码图片显示在界面上;
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用户长按二维码后将其生成图片保存到手机相册中;
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图片保存后打开微信的扫一扫界面
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现在用户只需要在微信的扫一扫选择相册中二维码就可以进行支付了
关键代码如下,注释已经很详细了
//二维码中logo val logo = BitmapFactory.decodeResource(resources,R.mipmap.ic_wechat_pay_round) //生成二维码位图 val qrCode = CodeUtils.createQRCode(payUrl,300,logo, Color.BLACK) //显示微信支付二维码 mIvQRCode.setImageBitmap(qrCode)
//长按保存二维码 mIvQRCode.setOnLongClickListener { val bitmap = ImageUtils.view2Bitmap(mIvQRCode) //保存到相册 val file = ImageUtils.save2Album(bitmap, Bitmap.CompressFormat.PNG) file?.let { ToastUtils.showLong("微信付款码已保存到手机相册") openWeChatScan() } return@setOnLongClickListener false }
/** * 打开微信扫一扫 */ @SuppressLint("WrongConstant") private fun openWeChatScan() { val intent = Intent() intent.component = ComponentName("com.tencent.mm", "com.tencent.mm.ui.LauncherUI") intent.putExtra("LauncherUI.From.Scaner.Shortcut", true) intent.flags = 335544320 intent.action = "android.intent.action.VIEW" startActivity(intent) }
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最后附上支付宝的Scheme协议跳转指定页面
"alipayqr://platformapi/startapp?saId=10000003"//手机充值
"alipayqr://platformapi/startapp?saId=10000007"//扫一扫
"alipayqr://platformapi/startapp?saId=10000009"//爱心捐赠
"alipayqr://platformapi/startapp?saId=100000011"//彩票首页
"alipayqr://platformapi/startapp?saId=100000033"//话费卡转让
"alipayqr://platformapi/startapp?saId=10000110"//关于
"alipayqr://platformapi/startapp?saId=10000112"//服务授权
"alipayqr://platformapi/startapp?saId=20000116"//转账
"alipayqr://platformapi/startapp?saId=20000056"//付款码-----210
"alipays://platformapi/startapp?appId=20000003";//账单
"alipays://platformapi/startapp?appId=20000076";//账单
"alipays://platformapi/startapp?appId=20000006"//切换账户
"alipays://platformapi/startapp?appId=20000008"//支付宝登出
"alipays://platformapi/startapp?appId=20000009"//手机号注册
"alipays://platformapi/startapp?appId=20000010"//绑定手机
"alipays://platformapi/startapp?appId=20000011"//客服帮助
"alipays://platformapi/startapp?appId=20000013"//修改支付密码
"alipays://platformapi/startapp?appId=20000014"//我的银行卡
"alipays://platformapi/startapp?appId=20000015"//找回登录密码
"alipays://platformapi/startapp?appId=20000017"//修改登录密码
"alipays://platformapi/startapp?appId=20000019"//余额
"alipays://platformapi/startapp?appId=20000020"//卡包
"alipays://platformapi/startapp?appId=20000024"//支付宝设置
"alipays://platformapi/startapp?appId=20000027"//账号切换
"alipays://platformapi/startapp?appId=20000031"//设置个人头像
"alipays://platformapi/startapp?appId=20000032"//余额宝
"alipays://platformapi/startapp?appId=20000033"//提现
"alipays://platformapi/startapp?appId=20000038"//身份验证
"alipays://platformapi/startapp?appId=20000048"//添加生活好
"alipays://platformapi/startapp?appId=20000049"//意见反馈
"alipays://platformapi/startapp?appId=20000050"//打开地图
"alipays://platformapi/startapp?appId=20000057"//账号管理
"alipays://platformapi/startapp?appId=20000068"//快速挂失
"alipays://platformapi/startapp?appId=20000068"//安全中心
"alipays://platformapi/startapp?appId=20000071"//城市一卡通
"alipays://platformapi/startapp?appId=20000078"//上银汇款
"alipays://platformapi/startapp?appId=20000081"//更多
"alipays://platformapi/startapp?appId=20000122"//首页活动
"alipays://platformapi/startapp?appId=20000123"//收钱
"alipayqr://platformapi/startapp?appId=68687017"//年度账单
"alipayqr://platformapi/startapp?appId=20000101"//生活号
"alipayqr://platformapi/startapp?appId=20000102"//打开nfc
"alipayqr://platformapi/startapp?appId=20000107"//出境
"alipayqr://platformapi/startapp?appId=20000108"//挂号就诊
"alipayqr://platformapi/startapp?appId=20000110"//我的保障
"alipayqr://platformapi/startapp?appId=20000115"//设备管理
"alipayqr://platformapi/startapp?appId=20000119"//阿里游戏
"alipayqr://platformapi/startapp?appId=20000118"//芝麻信用
"alipayqr://platformapi/startapp?appId=20000120"//饿了么
"alipayqr://platformapi/startapp?appId=20000123"//收钱
"alipayqr://platformapi/startapp?appId=20000125"//首页
"alipayqr://platformapi/startapp?appId=20000126"//免费wifi
"alipayqr://platformapi/startapp?appId=20000130"//滴滴
"alipayqr://platformapi/startapp?appId=20000132"//亲情号
"alipayqr://platformapi/startapp?appId=20000134"//股票自选
"alipayqr://platformapi/startapp?appId=20000135"//火车票
"alipayqr://platformapi/startapp?appId=20000136"//游戏充值
"alipayqr://platformapi/startapp?appId=20000139"//酒店搜索
"alipayqr://platformapi/startapp?appId=20000141"//修改昵称
"alipayqr://platformapi/startapp?appId=20000142"//娱乐宝
"alipayqr://platformapi/startapp?appId=20000143"//火车票汽车票预定
"alipayqr://platformapi/startapp?appId=20000146"//我的淘宝
"alipayqr://platformapi/startapp?appId=20000150"//汇率换算
"alipayqr://platformapi/startapp?appId=20000153"//游戏中心
"alipayqr://platformapi/startapp?appId=20000155"//飞猪
"alipayqr://platformapi/startapp?appId=20000157"//国际机票查询
"alipayqr://platformapi/startapp?appId=20000160"//蚂蚁会员
"alipayqr://platformapi/startapp?appId=20000161"//理财小工具
"alipayqr://platformapi/startapp?appId=20000162"//羊城通
"alipayqr://platformapi/startapp?appId=20000165"//定期理财
"alipayqr://platformapi/startapp?appId=20000161"//指纹手势解锁
"alipayqr://platformapi/startapp?appId=20000168"//年度账单
"alipayqr://platformapi/startapp?appId=20000176"//红包
"alipayqr://platformapi/startapp?appId=20000183"//设置手势密码
"alipayqr://platformapi/startapp?appId=20000161"//指纹手势解锁设定界面
"alipayqr://platformapi/startapp?appId=20000186"//通讯录
"alipayqr://platformapi/startapp?appId=20000161"//绑定智能手环
"alipayqr://platformapi/startapp?appId=20000197"//首页-热门游戏
"alipayqr://platformapi/startapp?appId=20000199"//花呗
"alipayqr://platformapi/startapp?appId=20000205"//亲情圈
"alipayqr://platformapi/startapp?appId=20000218"//黄金
"alipayqr://platformapi/startapp?appId=20000225"//借条
"alipayqr://platformapi/startapp?appId=20000227"//卡包
"alipayqr://platformapi/startapp?appId=20000234"//刷脸
"alipayqr://platformapi/startapp?appId=20000235"//服务提醒
"alipayqr://platformapi/startapp?appId=20000241"//车险服务
"alipayqr://platformapi/startapp?appId=20000243"//总资产
"alipayqr://platformapi/startapp?appId=20000248"//个性签名
"alipayqr://platformapi/startapp?appId=20000252"//朋友模块
"alipayqr://platformapi/startapp?appId=20000255"//账户充值
"alipayqr://platformapi/startapp?appId=20000266"//邮箱账单
"alipayqr://platformapi/startapp?appId=20000288"//聊天室
"alipayqr://platformapi/startapp?appId=20000290"//可能认识的人
"alipayqr://platformapi/startapp?appId=20000298"//证书管理
"alipayqr://platformapi/startapp?appId=20000301"//多设备管理
"alipayqr://platformapi/startapp?appId=20000305"//支付宝内付款码声波付