wechat-pay-sdk

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/index.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">All files</a> / <a href="index.html">src</a> index.ts </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 84.62% Statements 55/65 </div> <div class='fl pad1y space-right2'> 65% Branches 13/20 </div> <div class='fl pad1y space-right2'> 100% Functions 10/10 </div> <div class='fl pad1y space-right2'> 84.21% Lines 48/57 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139</td><td class="line-coverage quiet">1x 1x 1x 1x 1x   1x       1x                 1x         1x     1x 1x 1x 1x 1x               1x 1x 1x 1x                 1x 1x     1x 1x                   1x 1x 1x 1x 10x   1x 1x 1x               1x 1x 1x 1x           1x   1x   1x   1x   1x         1x 1x       1x 1x         1x                     1x       1x         1x   1x  </td><td class="text"><pre class="prettyprint lang-js">import * as js2xml from 'js2xmlparser'; import * as xml2json from 'xml2json'; import * as md5 from 'md5'; import * as request from 'request'; import * as url from 'url';   import { readomString } from './util';   import { WechatPayOptions, WechatSign, WechatOpenidRes, PaymentArgs } from './interface';   class WechatPay { // api hostname baseUrl: string; appid: string; secret: string; // tslint:disable-next-line:variable-name mch_id: string | number; // 商户密钥 key: string; baseApiObj = { protocol: 'https', hostname: 'api.weixin.qq.com', }; constructor(options: WechatPayOptions) { Iif (!options) { throw new Error('options is required'); } this.baseUrl = options.baseUrl || 'https://api.weixin.qq.com'; this.appid = options.appid; this.secret = options.secret; this.mch_id = options.mch_id; this.key = options.key; }   /** * 获取用户openid * @param code url上的code * @param callback 回调 */ getUserOpenId(code: string, callback?: (result: WechatOpenidRes) => void): Promise<WechatOpenidRes> { const { appid, secret } = this; return new Promise((resolve, reject) => { const openidUrl = url.format(Object.assign({}, { pathname: '/sns/jscode2session', query: { appid, secret, js_code: code, grant_type: 'authorization_code', }, }, this.baseApiObj)); request.get(openidUrl, { json: true }, (err, res, data) => { Iif (err || res.statusCode !== 200) { throw new Error('get openid failed'); } else { resolve(data as WechatOpenidRes); Eif (callback) callback(data); } }); }); }   /** * generator sign * @param obj */ private _generatorSign(obj: any) { let sortArr = Object.keys(obj).sort(); let sortStr = ''; sortArr = sortArr.map((key) => { return `${key}=${obj[key]}`; }); sortArr.push(`key=${this.key}`); sortStr = sortArr.join('&'); return md5(sortStr).toUpperCase(); }   /** * 发起微信支付 * @param options 发起支付的参数 * @param callback 回调函数 */ payment(options: PaymentArgs, callback?: (result: any) => void) { Iif (!options) throw new Error('payment method need args'); return new Promise((resolve, reject) => { const basicReq = { appid: this.appid, mch_id: this.mch_id, nonce_str: readomString(32), trade_type: 'JSAPI', }; const customerReq = Object.assign({}, basicReq, options);   const sign = this._generatorSign(customerReq);   customerReq.sign = sign;   const modal2xml = js2xml.parse('xml', customerReq);   request({ url: url.format(Object.assign({}, this.baseApiObj, { hostname: 'api.mch.weixin.qq.com', pathname: '/pay/unifiedorder' })), method: 'POST', body: modal2xml, }, (err, res, data) => { let originalData: any = { xml: {} }, wechatPayData: any = {}; Iif (err || res.statusCode !== 200) { reject(new Error('connect failed')); return; } try { originalData = JSON.parse(xml2json.toJson(data)); } catch (error) { reject(new Error('xml parse failed')); return; } Iif (originalData.xml.return_code === 'SUCCESS') { const prepay_id = originalData.xml.prepay_id; wechatPayData = { appId: this.appid, timeStamp: new Date().getTime(), nonceStr: readomString(32), package: `prepay_id=${ prepay_id }`, signType: 'MD5', }; wechatPayData.paySign = this._generatorSign(wechatPayData); } resolve({ original_data: originalData.xml, wechatpay_data: wechatPayData, }); Eif (callback) callback({ original_data: originalData, wechatpay_data: wechatPayData }); }); }); }   }   export = WechatPay;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Wed Dec 06 2017 11:04:12 GMT+0800 (CST) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); 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