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uni-app 微信支付

小程序 支付

先看官方文档 https://pay.weixin.qq.com/wiki/doc/apiv3/open/pay/chapter2_8_2.shtml

知晓有那些比不可少的流程，之后后端确定返回的参数值，用于前端支付。参数值必须一一对应，不然支付会失败

uni.requestPayment({
        timeStamp: data.timeStamp, //当前的时间
        nonceStr: data.nonceStr, //随机字符串
        package: data.package, //统一下单接口返回的 prepay_id 参数值
        signType: data.signType, //签名算法，暂支持 MD5。
        paySign: data.paySign, //签名
        success(res) {
            console.log('成功', res);
        },
        fail: (res) => {
            console.log('失败', res);
        },
})

小程序支付相对简单。支付的订单信息多要在后端生成。返回订单信息给前端调用支付API

APP支付

app支付方法和小程序基本相同，就是app要配置的地方不少

还是先看开发官方文档，基础的准备好。https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_2_4.shtml
之后在uni的目录中找到manifest.json 打开 选择app模卡--支付前面打个勾
uni-app 微信支付-LMLPHP
这边只对微信支付，所以微信支付勾上 ，把微信平台的appid 放到对应的输入框里面
    //获取服务供应商
    uni.getProvider({
        service: 'payment',
        success: (res) => {
            console.log('getProvider', res) //服务类型：payment
            console.log('服务类型', res.provider) //返回的是 微信 支付宝
            //在这里请求接口拿到返回的订单数据 用于调起支付
            that.sponsorPro(res.data) // 支付 res.data 为后端返回的订单信息
            //这个判断 是否有微信 不要加 真机调试不会过 测试可以过
            if(res.provider.indexOf('wxpay')){}
        }
    })
发起支付 
md5().toUpperCase() 截取签名前30位为 小写转大写 
md5为单独的一个js，代码在最后
sponsorPro(data) {
    //data 为后端的参数
    let info = {
        "appid": data.appId,
        "partnerid": data.mchid,
        "package": 'Sign=WXPay',
        "package": data.package,
        "noncestr": data.noncestr,
        "timestamp": data.timestamp,
        // "sign": data.paySign,
        "sign": md5(data.sign).toUpperCase(),
        }
    console.log('发起支付', info);
    uni.requestPayment({
        provider: 'wxpay',
        signType: "MD5",
        orderInfo: info,
        success(res) {
            console.log('成功:' + JSON.stringify(res));
        },
        fail(err) {
            console.log('失败:' + JSON.stringify(err));
        }
    })
}
info 的参数 和官方返回的参数必须一致
uni-app 微信支付-LMLPHP
判断微信是否安装
if (plus.runtime.isApplicationExist({
            pname: 'com.tencent.mm',
            action: 'weixin://'
    })) {
        console.log("微信应用已安装");
    } else {
        console.log("微信应用未安装");
}
可以用上面这个判断微信是否安装
官方地址 http://www.html5plus.org/doc/zh_cn/runtime.html#plus.runtime.isApplicationExist
微信支付调用失败 [payment微信:-1]General errors","errCode":-100,"code":-100 
payment微信:-1 是微信的错误代码提示 
"errCode":-100," code":-100 为uni-app 错误代码提示
特别要注意第一次提交时报的是什么错误，这样对症下药
要是提示： 包名（签名）与开放平台包名（签名）不一致 ，先检查打包的包名（签名）是什么，然后对比与线上的名字一致
uni-app 微信支付-LMLPHP
uni-app 微信支付-LMLPHP
app签名查看工具 
下载地址 https://developers.weixin.qq.com/doc/oplatform/Downloads/Android_Resource.html
uni-app 微信支付-LMLPHP
下载安装到手机 打开 输入包名 签名
要先打包，把你需要获取签名的包安装到手机上，然后安装签名获取工具打开输入包名
uni-app 微信支付-LMLPHP
ios支付
要先创建一个uni-app 账号 开通 云服务空间和开通前端网页托管
详情看官方流程 https://uniapp.dcloud.io/api/plugins/universal-links
uni-app 微信支付-LMLPHP
在添加域名时报---设置一个三级域名就好
uni-app 微信支付-LMLPHP
附：md5.js源码
在页面中引用 import md5 from '../../common/md5.js' 
form 后面为存放地址
/*
 * JavaScript MD5
 * https://github.com/blueimp/JavaScript-MD5
 *
 * Copyright 2011, Sebastian Tschan
 * https://blueimp.net
 *
 * Licensed under the MIT license:
 * https://opensource.org/licenses/MIT
 *
 * Based on
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/* global define */

;(function ($) {
  'use strict'

  /*
  * Add integers, wrapping at 2^32. This uses 16-bit operations internally
  * to work around bugs in some JS interpreters.
  */
  function safeAdd (x, y) {
    var lsw = (x & 0xffff) + (y & 0xffff)
    var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
    return (msw << 16) | (lsw & 0xffff)
  }

  /*
  * Bitwise rotate a 32-bit number to the left.
  */
  function bitRotateLeft (num, cnt) {
    return (num << cnt) | (num >>> (32 - cnt))
  }

  /*
  * These functions implement the four basic operations the algorithm uses.
  */
  function md5cmn (q, a, b, x, s, t) {
    return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b)
  }
  function md5ff (a, b, c, d, x, s, t) {
    return md5cmn((b & c) | (~b & d), a, b, x, s, t)
  }
  function md5gg (a, b, c, d, x, s, t) {
    return md5cmn((b & d) | (c & ~d), a, b, x, s, t)
  }
  function md5hh (a, b, c, d, x, s, t) {
    return md5cmn(b ^ c ^ d, a, b, x, s, t)
  }
  function md5ii (a, b, c, d, x, s, t) {
    return md5cmn(c ^ (b | ~d), a, b, x, s, t)
  }

  /*
  * Calculate the MD5 of an array of little-endian words, and a bit length.
  */
  function binlMD5 (x, len) {
    /* append padding */
    x[len >> 5] |= 0x80 << (len % 32)
    x[((len + 64) >>> 9 << 4) + 14] = len

    var i
    var olda
    var oldb
    var oldc
    var oldd
    var a = 1732584193
    var b = -271733879
    var c = -1732584194
    var d = 271733878

    for (i = 0; i < x.length; i += 16) {
      olda = a
      oldb = b
      oldc = c
      oldd = d

      a = md5ff(a, b, c, d, x[i], 7, -680876936)
      d = md5ff(d, a, b, c, x[i + 1], 12, -389564586)
      c = md5ff(c, d, a, b, x[i + 2], 17, 606105819)
      b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330)
      a = md5ff(a, b, c, d, x[i + 4], 7, -176418897)
      d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426)
      c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341)
      b = md5ff(b, c, d, a, x[i + 7], 22, -45705983)
      a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416)
      d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417)
      c = md5ff(c, d, a, b, x[i + 10], 17, -42063)
      b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162)
      a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682)
      d = md5ff(d, a, b, c, x[i + 13], 12, -40341101)
      c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290)
      b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329)

      a = md5gg(a, b, c, d, x[i + 1], 5, -165796510)
      d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632)
      c = md5gg(c, d, a, b, x[i + 11], 14, 643717713)
      b = md5gg(b, c, d, a, x[i], 20, -373897302)
      a = md5gg(a, b, c, d, x[i + 5], 5, -701558691)
      d = md5gg(d, a, b, c, x[i + 10], 9, 38016083)
      c = md5gg(c, d, a, b, x[i + 15], 14, -660478335)
      b = md5gg(b, c, d, a, x[i + 4], 20, -405537848)
      a = md5gg(a, b, c, d, x[i + 9], 5, 568446438)
      d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690)
      c = md5gg(c, d, a, b, x[i + 3], 14, -187363961)
      b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501)
      a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467)
      d = md5gg(d, a, b, c, x[i + 2], 9, -51403784)
      c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473)
      b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734)

      a = md5hh(a, b, c, d, x[i + 5], 4, -378558)
      d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463)
      c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562)
      b = md5hh(b, c, d, a, x[i + 14], 23, -35309556)
      a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060)
      d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353)
      c = md5hh(c, d, a, b, x[i + 7], 16, -155497632)
      b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640)
      a = md5hh(a, b, c, d, x[i + 13], 4, 681279174)
      d = md5hh(d, a, b, c, x[i], 11, -358537222)
      c = md5hh(c, d, a, b, x[i + 3], 16, -722521979)
      b = md5hh(b, c, d, a, x[i + 6], 23, 76029189)
      a = md5hh(a, b, c, d, x[i + 9], 4, -640364487)
      d = md5hh(d, a, b, c, x[i + 12], 11, -421815835)
      c = md5hh(c, d, a, b, x[i + 15], 16, 530742520)
      b = md5hh(b, c, d, a, x[i + 2], 23, -995338651)

      a = md5ii(a, b, c, d, x[i], 6, -198630844)
      d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415)
      c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905)
      b = md5ii(b, c, d, a, x[i + 5], 21, -57434055)
      a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571)
      d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606)
      c = md5ii(c, d, a, b, x[i + 10], 15, -1051523)
      b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799)
      a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359)
      d = md5ii(d, a, b, c, x[i + 15], 10, -30611744)
      c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380)
      b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649)
      a = md5ii(a, b, c, d, x[i + 4], 6, -145523070)
      d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379)
      c = md5ii(c, d, a, b, x[i + 2], 15, 718787259)
      b = md5ii(b, c, d, a, x[i + 9], 21, -343485551)

      a = safeAdd(a, olda)
      b = safeAdd(b, oldb)
      c = safeAdd(c, oldc)
      d = safeAdd(d, oldd)
    }
    return [a, b, c, d]
  }

  /*
  * Convert an array of little-endian words to a string
  */
  function binl2rstr (input) {
    var i
    var output = ''
    var length32 = input.length * 32
    for (i = 0; i < length32; i += 8) {
      output += String.fromCharCode((input[i >> 5] >>> (i % 32)) & 0xff)
    }
    return output
  }

  /*
  * Convert a raw string to an array of little-endian words
  * Characters >255 have their high-byte silently ignored.
  */
  function rstr2binl (input) {
    var i
    var output = []
    output[(input.length >> 2) - 1] = undefined
    for (i = 0; i < output.length; i += 1) {
      output[i] = 0
    }
    var length8 = input.length * 8
    for (i = 0; i < length8; i += 8) {
      output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << (i % 32)
    }
    return output
  }

  /*
  * Calculate the MD5 of a raw string
  */
  function rstrMD5 (s) {
    return binl2rstr(binlMD5(rstr2binl(s), s.length * 8))
  }

  /*
  * Calculate the HMAC-MD5, of a key and some data (raw strings)
  */
  function rstrHMACMD5 (key, data) {
    var i
    var bkey = rstr2binl(key)
    var ipad = []
    var opad = []
    var hash
    ipad[15] = opad[15] = undefined
    if (bkey.length > 16) {
      bkey = binlMD5(bkey, key.length * 8)
    }
    for (i = 0; i < 16; i += 1) {
      ipad[i] = bkey[i] ^ 0x36363636
      opad[i] = bkey[i] ^ 0x5c5c5c5c
    }
    hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8)
    return binl2rstr(binlMD5(opad.concat(hash), 512 + 128))
  }

  /*
  * Convert a raw string to a hex string
  */
  function rstr2hex (input) {
    var hexTab = '0123456789abcdef'
    var output = ''
    var x
    var i
    for (i = 0; i < input.length; i += 1) {
      x = input.charCodeAt(i)
      output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f)
    }
    return output
  }

  /*
  * Encode a string as utf-8
  */
  function str2rstrUTF8 (input) {
    return unescape(encodeURIComponent(input))
  }

  /*
  * Take string arguments and return either raw or hex encoded strings
  */
  function rawMD5 (s) {
    return rstrMD5(str2rstrUTF8(s))
  }
  function hexMD5 (s) {
    return rstr2hex(rawMD5(s))
  }
  function rawHMACMD5 (k, d) {
    return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d))
  }
  function hexHMACMD5 (k, d) {
    return rstr2hex(rawHMACMD5(k, d))
  }

  function md5 (string, key, raw) {
    if (!key) {
      if (!raw) {
        return hexMD5(string)
      }
      return rawMD5(string)
    }
    if (!raw) {
      return hexHMACMD5(key, string)
    }
    return rawHMACMD5(key, string)
  }

  if (typeof define === 'function' && define.amd) {
    define(function () {
      return md5
    })
  } else if (typeof module === 'object' && module.exports) {
    module.exports = md5
  } else {
    $.md5 = md5
  }
})(this)
附送app 端 拨打电话
小程序拨打电话就不多说了 
app端 官方介绍： http://www.html5plus.org/doc/zh_cn/device.html#plus.device.dial
直接真机调试，模拟器会失败
plus.device.dial(phone); // phone 为要拨打的号码
uni-app 微信支付-LMLPHP
uni-app 真机调试（选择自定义基座）
（标准基座）开发者设置的第三方SDK配置信息不会生效。
（标准基座）安装到手机上app名字是“HBuilder”。支付不会生效
（自定义基座）包名会变成你项目的名字，这时支付，分享等多会生效
uni-app 微信支付-LMLPHP
05-23 00:13
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