微信小程序连接丰桥接口----路由查询

微信小程序连接丰桥平台的接口

最近几天在搞微信小程序能够实现顺丰物流查询，在对接丰桥平台的接口的时候遇到了问题。

丰桥接口对接的参数要求如下：

partnerID在申请开发者账号的时候，平台会分配的。
requestID就是自己生成的UUID，可用下面的生成UUID函数来生成

 uuid:function(len, radix) {var  chars =  '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' .split( '' );var  uuid = [], i;radix = radix || chars.length;if  (len) {for  (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random()*radix];}  else  {var  r;uuid[8] = uuid[13] = uuid[18] = uuid[23] =  '-' ;uuid[14] =  '4' ;for  (i = 0; i < 36; i++) {if  (!uuid[i]) {r = 0 | Math.random()*16;uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];}}}return  uuid.join( '' );},

serviceCode接口服务代码能在接口详情查看，我是为了对接路由查询接口，所用的代码为EXP_RECE_SEARCH_ROUTES，具体接口码如下：

调用接口的时间戳按照官方的意思，是最好精确到毫秒，官方的例子时间戳有14位，但是用微信小程序生成的时间戳只有13位，我试了一下，也是可以连接的，微信小程序生成时间戳方法：var timeStamp = "" + Date.parse(new Date());，需要把数字转换成字符串的形式。

msgData业务数据报文，根据你所需要的接口服务写对应的接口报文，路由查询的接口报文例子如下：

   var msgData = "{\"language\":\"0\",\"trackingType\":\"1\",\"trackingNumber\":[\"这里写要查询物流的快递单号\"],\"methodType\":\"1\",\"checkPhoneNo\":\"1995\"}";

最后生成msgDigest数字签名是个难点，官方文档中介绍
整个流程就是要对msgData,timestamp,checkword(申请接口时会分配的，如下图）三个字符串连接起来，进行url编码，MD5加密和转成base64格式。

在微信小程序中用encodeURIComponent()函数来对字符串进行url编码，不能使用encodeURI()编码，紧接着就是MD5加密，我用了许多网上提供的MD5加密的方式，最后生成的签名都是无效的，最后用了各种办法，利用node.js下载md5.js文件才成功，下面贴md5.js代码：

// md5.js
/*** [js-md5]{@link https://github.com/emn178/js-md5}** @namespace md5* @version 0.7.3* @author Chen, Yi-Cyuan [emn178@gmail.com]* @copyright Chen, Yi-Cyuan 2014-2017* @license MIT*/
(function () {'use strict';var ERROR = 'input is invalid type';var WINDOW = typeof window === 'object';var root = WINDOW ? window : {};if (root.JS_MD5_NO_WINDOW) {WINDOW = false;}var WEB_WORKER = !WINDOW && typeof self === 'object';var NODE_JS = !root.JS_MD5_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;if (NODE_JS) {root = global;} else if (WEB_WORKER) {root = self;}var COMMON_JS = !root.JS_MD5_NO_COMMON_JS && typeof module === 'object' && module.exports;var AMD = typeof define === 'function' && define.amd;var ARRAY_BUFFER = !root.JS_MD5_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';var HEX_CHARS = '0123456789abcdef'.split('');var EXTRA = [128, 32768, 8388608, -2147483648];var SHIFT = [0, 8, 16, 24];var OUTPUT_TYPES = ['hex', 'array', 'digest', 'buffer', 'arrayBuffer', 'base64'];var BASE64_ENCODE_CHAR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');var blocks = [], buffer8;if (ARRAY_BUFFER) {var buffer = new ArrayBuffer(68);buffer8 = new Uint8Array(buffer);blocks = new Uint32Array(buffer);}if (root.JS_MD5_NO_NODE_JS || !Array.isArray) {Array.isArray = function (obj) {return Object.prototype.toString.call(obj) === '[object Array]';};}if (ARRAY_BUFFER && (root.JS_MD5_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) {ArrayBuffer.isView = function (obj) {return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;};}/*** @method hex* @memberof md5* @description Output hash as hex string* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {String} Hex string* @example* md5.hex('The quick brown fox jumps over the lazy dog');* // equal to* md5('The quick brown fox jumps over the lazy dog');*//*** @method digest* @memberof md5* @description Output hash as bytes array* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {Array} Bytes array* @example* md5.digest('The quick brown fox jumps over the lazy dog');*//*** @method array* @memberof md5* @description Output hash as bytes array* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {Array} Bytes array* @example* md5.array('The quick brown fox jumps over the lazy dog');*//*** @method arrayBuffer* @memberof md5* @description Output hash as ArrayBuffer* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {ArrayBuffer} ArrayBuffer* @example* md5.arrayBuffer('The quick brown fox jumps over the lazy dog');*//*** @method buffer* @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.* @memberof md5* @description Output hash as ArrayBuffer* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {ArrayBuffer} ArrayBuffer* @example* md5.buffer('The quick brown fox jumps over the lazy dog');*//*** @method base64* @memberof md5* @description Output hash as base64 string* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {String} base64 string* @example* md5.base64('The quick brown fox jumps over the lazy dog');*/var createOutputMethod = function (outputType) {return function (message) {return new Md5(true).update(message)[outputType]();};};/*** @method create* @memberof md5* @description Create Md5 object* @returns {Md5} Md5 object.* @example* var hash = md5.create();*//*** @method update* @memberof md5* @description Create and update Md5 object* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {Md5} Md5 object.* @example* var hash = md5.update('The quick brown fox jumps over the lazy dog');* // equal to* var hash = md5.create();* hash.update('The quick brown fox jumps over the lazy dog');*/var createMethod = function () {var method = createOutputMethod('hex');if (NODE_JS) {method = nodeWrap(method);}method.create = function () {return new Md5();};method.update = function (message) {return method.create().update(message);};for (var i = 0; i < OUTPUT_TYPES.length; ++i) {var type = OUTPUT_TYPES[i];method[type] = createOutputMethod(type);}return method;};var nodeWrap = function (method) {var crypto = eval("require('crypto')");var Buffer = eval("require('buffer').Buffer");var nodeMethod = function (message) {if (typeof message === 'string') {return crypto.createHash('md5').update(message, 'utf8').digest('hex');} else {if (message === null || message === undefined) {throw ERROR;} else if (message.constructor === ArrayBuffer) {message = new Uint8Array(message);}}if (Array.isArray(message) || ArrayBuffer.isView(message) ||message.constructor === Buffer) {return crypto.createHash('md5').update(new Buffer(message)).digest('hex');} else {return method(message);}};return nodeMethod;};/*** Md5 class* @class Md5* @description This is internal class.* @see {@link md5.create}*/function Md5(sharedMemory) {if (sharedMemory) {blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] =blocks[4] = blocks[5] = blocks[6] = blocks[7] =blocks[8] = blocks[9] = blocks[10] = blocks[11] =blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;this.blocks = blocks;this.buffer8 = buffer8;} else {if (ARRAY_BUFFER) {var buffer = new ArrayBuffer(68);this.buffer8 = new Uint8Array(buffer);this.blocks = new Uint32Array(buffer);} else {this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];}}this.h0 = this.h1 = this.h2 = this.h3 = this.start = this.bytes = this.hBytes = 0;this.finalized = this.hashed = false;this.first = true;}/*** @method update* @memberof Md5* @instance* @description Update hash* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {Md5} Md5 object.* @see {@link md5.update}*/Md5.prototype.update = function (message) {if (this.finalized) {return;}var notString, type = typeof message;if (type !== 'string') {if (type === 'object') {if (message === null) {throw ERROR;} else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {message = new Uint8Array(message);} else if (!Array.isArray(message)) {if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) {throw ERROR;}}} else {throw ERROR;}notString = true;}var code, index = 0, i, length = message.length, blocks = this.blocks;var buffer8 = this.buffer8;while (index < length) {if (this.hashed) {this.hashed = false;blocks[0] = blocks[16];blocks[16] = blocks[1] = blocks[2] = blocks[3] =blocks[4] = blocks[5] = blocks[6] = blocks[7] =blocks[8] = blocks[9] = blocks[10] = blocks[11] =blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;}if (notString) {if (ARRAY_BUFFER) {for (i = this.start; index < length && i < 64; ++index) {buffer8[i++] = message[index];}} else {for (i = this.start; index < length && i < 64; ++index) {blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];}}} else {if (ARRAY_BUFFER) {for (i = this.start; index < length && i < 64; ++index) {code = message.charCodeAt(index);if (code < 0x80) {buffer8[i++] = code;} else if (code < 0x800) {buffer8[i++] = 0xc0 | (code >> 6);buffer8[i++] = 0x80 | (code & 0x3f);} else if (code < 0xd800 || code >= 0xe000) {buffer8[i++] = 0xe0 | (code >> 12);buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);buffer8[i++] = 0x80 | (code & 0x3f);} else {code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));buffer8[i++] = 0xf0 | (code >> 18);buffer8[i++] = 0x80 | ((code >> 12) & 0x3f);buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);buffer8[i++] = 0x80 | (code & 0x3f);}}} else {for (i = this.start; index < length && i < 64; ++index) {code = message.charCodeAt(index);if (code < 0x80) {blocks[i >> 2] |= code << SHIFT[i++ & 3];} else if (code < 0x800) {blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];} else if (code < 0xd800 || code >= 0xe000) {blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];} else {code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];}}}}this.lastByteIndex = i;this.bytes += i - this.start;if (i >= 64) {this.start = i - 64;this.hash();this.hashed = true;} else {this.start = i;}}if (this.bytes > 4294967295) {this.hBytes += this.bytes / 4294967296 << 0;this.bytes = this.bytes % 4294967296;}return this;};Md5.prototype.finalize = function () {if (this.finalized) {return;}this.finalized = true;var blocks = this.blocks, i = this.lastByteIndex;blocks[i >> 2] |= EXTRA[i & 3];if (i >= 56) {if (!this.hashed) {this.hash();}blocks[0] = blocks[16];blocks[16] = blocks[1] = blocks[2] = blocks[3] =blocks[4] = blocks[5] = blocks[6] = blocks[7] =blocks[8] = blocks[9] = blocks[10] = blocks[11] =blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;}blocks[14] = this.bytes << 3;blocks[15] = this.hBytes << 3 | this.bytes >>> 29;this.hash();};Md5.prototype.hash = function () {var a, b, c, d, bc, da, blocks = this.blocks;if (this.first) {a = blocks[0] - 680876937;a = (a << 7 | a >>> 25) - 271733879 << 0;d = (-1732584194 ^ a & 2004318071) + blocks[1] - 117830708;d = (d << 12 | d >>> 20) + a << 0;c = (-271733879 ^ (d & (a ^ -271733879))) + blocks[2] - 1126478375;c = (c << 17 | c >>> 15) + d << 0;b = (a ^ (c & (d ^ a))) + blocks[3] - 1316259209;b = (b << 22 | b >>> 10) + c << 0;} else {a = this.h0;b = this.h1;c = this.h2;d = this.h3;a += (d ^ (b & (c ^ d))) + blocks[0] - 680876936;a = (a << 7 | a >>> 25) + b << 0;d += (c ^ (a & (b ^ c))) + blocks[1] - 389564586;d = (d << 12 | d >>> 20) + a << 0;c += (b ^ (d & (a ^ b))) + blocks[2] + 606105819;c = (c << 17 | c >>> 15) + d << 0;b += (a ^ (c & (d ^ a))) + blocks[3] - 1044525330;b = (b << 22 | b >>> 10) + c << 0;}a += (d ^ (b & (c ^ d))) + blocks[4] - 176418897;a = (a << 7 | a >>> 25) + b << 0;d += (c ^ (a & (b ^ c))) + blocks[5] + 1200080426;d = (d << 12 | d >>> 20) + a << 0;c += (b ^ (d & (a ^ b))) + blocks[6] - 1473231341;c = (c << 17 | c >>> 15) + d << 0;b += (a ^ (c & (d ^ a))) + blocks[7] - 45705983;b = (b << 22 | b >>> 10) + c << 0;a += (d ^ (b & (c ^ d))) + blocks[8] + 1770035416;a = (a << 7 | a >>> 25) + b << 0;d += (c ^ (a & (b ^ c))) + blocks[9] - 1958414417;d = (d << 12 | d >>> 20) + a << 0;c += (b ^ (d & (a ^ b))) + blocks[10] - 42063;c = (c << 17 | c >>> 15) + d << 0;b += (a ^ (c & (d ^ a))) + blocks[11] - 1990404162;b = (b << 22 | b >>> 10) + c << 0;a += (d ^ (b & (c ^ d))) + blocks[12] + 1804603682;a = (a << 7 | a >>> 25) + b << 0;d += (c ^ (a & (b ^ c))) + blocks[13] - 40341101;d = (d << 12 | d >>> 20) + a << 0;c += (b ^ (d & (a ^ b))) + blocks[14] - 1502002290;c = (c << 17 | c >>> 15) + d << 0;b += (a ^ (c & (d ^ a))) + blocks[15] + 1236535329;b = (b << 22 | b >>> 10) + c << 0;a += (c ^ (d & (b ^ c))) + blocks[1] - 165796510;a = (a << 5 | a >>> 27) + b << 0;d += (b ^ (c & (a ^ b))) + blocks[6] - 1069501632;d = (d << 9 | d >>> 23) + a << 0;c += (a ^ (b & (d ^ a))) + blocks[11] + 643717713;c = (c << 14 | c >>> 18) + d << 0;b += (d ^ (a & (c ^ d))) + blocks[0] - 373897302;b = (b << 20 | b >>> 12) + c << 0;a += (c ^ (d & (b ^ c))) + blocks[5] - 701558691;a = (a << 5 | a >>> 27) + b << 0;d += (b ^ (c & (a ^ b))) + blocks[10] + 38016083;d = (d << 9 | d >>> 23) + a << 0;c += (a ^ (b & (d ^ a))) + blocks[15] - 660478335;c = (c << 14 | c >>> 18) + d << 0;b += (d ^ (a & (c ^ d))) + blocks[4] - 405537848;b = (b << 20 | b >>> 12) + c << 0;a += (c ^ (d & (b ^ c))) + blocks[9] + 568446438;a = (a << 5 | a >>> 27) + b << 0;d += (b ^ (c & (a ^ b))) + blocks[14] - 1019803690;d = (d << 9 | d >>> 23) + a << 0;c += (a ^ (b & (d ^ a))) + blocks[3] - 187363961;c = (c << 14 | c >>> 18) + d << 0;b += (d ^ (a & (c ^ d))) + blocks[8] + 1163531501;b = (b << 20 | b >>> 12) + c << 0;a += (c ^ (d & (b ^ c))) + blocks[13] - 1444681467;a = (a << 5 | a >>> 27) + b << 0;d += (b ^ (c & (a ^ b))) + blocks[2] - 51403784;d = (d << 9 | d >>> 23) + a << 0;c += (a ^ (b & (d ^ a))) + blocks[7] + 1735328473;c = (c << 14 | c >>> 18) + d << 0;b += (d ^ (a & (c ^ d))) + blocks[12] - 1926607734;b = (b << 20 | b >>> 12) + c << 0;bc = b ^ c;a += (bc ^ d) + blocks[5] - 378558;a = (a << 4 | a >>> 28) + b << 0;d += (bc ^ a) + blocks[8] - 2022574463;d = (d << 11 | d >>> 21) + a << 0;da = d ^ a;c += (da ^ b) + blocks[11] + 1839030562;c = (c << 16 | c >>> 16) + d << 0;b += (da ^ c) + blocks[14] - 35309556;b = (b << 23 | b >>> 9) + c << 0;bc = b ^ c;a += (bc ^ d) + blocks[1] - 1530992060;a = (a << 4 | a >>> 28) + b << 0;d += (bc ^ a) + blocks[4] + 1272893353;d = (d << 11 | d >>> 21) + a << 0;da = d ^ a;c += (da ^ b) + blocks[7] - 155497632;c = (c << 16 | c >>> 16) + d << 0;b += (da ^ c) + blocks[10] - 1094730640;b = (b << 23 | b >>> 9) + c << 0;bc = b ^ c;a += (bc ^ d) + blocks[13] + 681279174;a = (a << 4 | a >>> 28) + b << 0;d += (bc ^ a) + blocks[0] - 358537222;d = (d << 11 | d >>> 21) + a << 0;da = d ^ a;c += (da ^ b) + blocks[3] - 722521979;c = (c << 16 | c >>> 16) + d << 0;b += (da ^ c) + blocks[6] + 76029189;b = (b << 23 | b >>> 9) + c << 0;bc = b ^ c;a += (bc ^ d) + blocks[9] - 640364487;a = (a << 4 | a >>> 28) + b << 0;d += (bc ^ a) + blocks[12] - 421815835;d = (d << 11 | d >>> 21) + a << 0;da = d ^ a;c += (da ^ b) + blocks[15] + 530742520;c = (c << 16 | c >>> 16) + d << 0;b += (da ^ c) + blocks[2] - 995338651;b = (b << 23 | b >>> 9) + c << 0;a += (c ^ (b | ~d)) + blocks[0] - 198630844;a = (a << 6 | a >>> 26) + b << 0;d += (b ^ (a | ~c)) + blocks[7] + 1126891415;d = (d << 10 | d >>> 22) + a << 0;c += (a ^ (d | ~b)) + blocks[14] - 1416354905;c = (c << 15 | c >>> 17) + d << 0;b += (d ^ (c | ~a)) + blocks[5] - 57434055;b = (b << 21 | b >>> 11) + c << 0;a += (c ^ (b | ~d)) + blocks[12] + 1700485571;a = (a << 6 | a >>> 26) + b << 0;d += (b ^ (a | ~c)) + blocks[3] - 1894986606;d = (d << 10 | d >>> 22) + a << 0;c += (a ^ (d | ~b)) + blocks[10] - 1051523;c = (c << 15 | c >>> 17) + d << 0;b += (d ^ (c | ~a)) + blocks[1] - 2054922799;b = (b << 21 | b >>> 11) + c << 0;a += (c ^ (b | ~d)) + blocks[8] + 1873313359;a = (a << 6 | a >>> 26) + b << 0;d += (b ^ (a | ~c)) + blocks[15] - 30611744;d = (d << 10 | d >>> 22) + a << 0;c += (a ^ (d | ~b)) + blocks[6] - 1560198380;c = (c << 15 | c >>> 17) + d << 0;b += (d ^ (c | ~a)) + blocks[13] + 1309151649;b = (b << 21 | b >>> 11) + c << 0;a += (c ^ (b | ~d)) + blocks[4] - 145523070;a = (a << 6 | a >>> 26) + b << 0;d += (b ^ (a | ~c)) + blocks[11] - 1120210379;d = (d << 10 | d >>> 22) + a << 0;c += (a ^ (d | ~b)) + blocks[2] + 718787259;c = (c << 15 | c >>> 17) + d << 0;b += (d ^ (c | ~a)) + blocks[9] - 343485551;b = (b << 21 | b >>> 11) + c << 0;if (this.first) {this.h0 = a + 1732584193 << 0;this.h1 = b - 271733879 << 0;this.h2 = c - 1732584194 << 0;this.h3 = d + 271733878 << 0;this.first = false;} else {this.h0 = this.h0 + a << 0;this.h1 = this.h1 + b << 0;this.h2 = this.h2 + c << 0;this.h3 = this.h3 + d << 0;}};/*** @method hex* @memberof Md5* @instance* @description Output hash as hex string* @returns {String} Hex string* @see {@link md5.hex}* @example* hash.hex();*/Md5.prototype.hex = function () {this.finalize();var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];};/*** @method toString* @memberof Md5* @instance* @description Output hash as hex string* @returns {String} Hex string* @see {@link md5.hex}* @example* hash.toString();*/Md5.prototype.toString = Md5.prototype.hex;/*** @method digest* @memberof Md5* @instance* @description Output hash as bytes array* @returns {Array} Bytes array* @see {@link md5.digest}* @example* hash.digest();*/Md5.prototype.digest = function () {this.finalize();var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;return [h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 24) & 0xFF,h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 24) & 0xFF,h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 24) & 0xFF,h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 24) & 0xFF];};/*** @method array* @memberof Md5* @instance* @description Output hash as bytes array* @returns {Array} Bytes array* @see {@link md5.array}* @example* hash.array();*/Md5.prototype.array = Md5.prototype.digest;/*** @method arrayBuffer* @memberof Md5* @instance* @description Output hash as ArrayBuffer* @returns {ArrayBuffer} ArrayBuffer* @see {@link md5.arrayBuffer}* @example* hash.arrayBuffer();*/Md5.prototype.arrayBuffer = function () {this.finalize();var buffer = new ArrayBuffer(16);var blocks = new Uint32Array(buffer);blocks[0] = this.h0;blocks[1] = this.h1;blocks[2] = this.h2;blocks[3] = this.h3;return buffer;};/*** @method buffer* @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.* @memberof Md5* @instance* @description Output hash as ArrayBuffer* @returns {ArrayBuffer} ArrayBuffer* @see {@link md5.buffer}* @example* hash.buffer();*/Md5.prototype.buffer = Md5.prototype.arrayBuffer;/*** @method base64* @memberof Md5* @instance* @description Output hash as base64 string* @returns {String} base64 string* @see {@link md5.base64}* @example* hash.base64();*/Md5.prototype.base64 = function () {var v1, v2, v3, base64Str = '', bytes = this.array();for (var i = 0; i < 15;) {v1 = bytes[i++];v2 = bytes[i++];v3 = bytes[i++];base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +BASE64_ENCODE_CHAR[(v2 << 2 | v3 >>> 6) & 63] +BASE64_ENCODE_CHAR[v3 & 63];}v1 = bytes[i];base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +BASE64_ENCODE_CHAR[(v1 << 4) & 63] +'==';return base64Str;};var exports = createMethod();if (COMMON_JS) {module.exports = exports;} else {/*** @method md5* @description Md5 hash function, export to global in browsers.* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash* @returns {String} md5 hashes* @example* md5(''); // d41d8cd98f00b204e9800998ecf8427e* md5('The quick brown fox jumps over the lazy dog'); // 9e107d9d372bb6826bd81d3542a419d6* md5('The quick brown fox jumps over the lazy dog.'); // e4d909c290d0fb1ca068ffaddf22cbd0** // It also supports UTF-8 encoding* md5('中文'); // a7bac2239fcdcb3a067903d8077c4a07** // It also supports byte `Array`, `Uint8Array`, `ArrayBuffer`* md5([]); // d41d8cd98f00b204e9800998ecf8427e* md5(new Uint8Array([])); // d41d8cd98f00b204e9800998ecf8427e*/root.md5 = exports;if (AMD) {define(function () {return exports;});}}
})();

直接在当前文件夹下新建一个js文件命名为md5.js，然后把上面代码复制粘贴进去，在小程序的js中引入md5.js

let md5 = require('md5.js')

这个md5.js文件也集成了转换成base64的方法，只需要使用md5.base64(text),就能对text字符串进行md5加密，再转成base64格式。

具体的代码贴在最后

//logistics.js
let md5 = require('md5.js')
Page({/*** 页面的初始数据*/data: {steps: [],},uuid:function(len, radix) {var  chars =  '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' .split( '' );var  uuid = [], i;radix = radix || chars.length;if  (len) {for  (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random()*radix];}  else  {var  r;uuid[8] = uuid[13] = uuid[18] = uuid[23] =  '-' ;uuid[14] =  '4' ;for  (i = 0; i < 36; i++) {if  (!uuid[i]) {r = 0 | Math.random()*16;uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];}}}return  uuid.join( '' );},/*** 生命周期函数--监听页面加载*/onLoad: function (options) {},/*** 生命周期函数--监听页面初次渲染完成*/onReady: function () {let that = this;var timeStamp = "" + Date.parse(new Date());//生成时间戳var logisticId = "";//这里填快递单号var msgData = "{\"language\":\"0\",\"trackingType\":\"1\",\"trackingNumber\":[\""+logisticId+"\"],\"methodType\":\"1\",\"checkPhoneNo\":\"1995\"}";console.log(msgData) var checkWord = "";//这里填校验码var toVerifyText = msgData+timeStamp+checkWord;//连接三个参数toVerifyText = encodeURIComponent(toVerifyText);//进行URL编码console.log(toVerifyText) let msgDigest = md5.base64(toVerifyText)//md5加密 转换成base64格式console.log(msgDigest)wx.request({ url: 'https://sfapi.sf-express.com/std/service', //路由查询的服务接口data: {"partnerID":"",//顾客编码"requestID":that.uuid(16,16),"serviceCode":"EXP_RECE_SEARCH_ROUTES","timestamp":timeStamp,"msgDigest":msgDigest,"msgData":msgData,},header: {"Content-type":"application/x-www-form-urlencoded;charset=UTF-8"},  success (res) {console.log(msgDigest);console.log(res)if(res.data.apiResultCode!="A1000"){this.setData({errMessage:res.data.apiErrorMsg,currentStatus:'error'})return;}let msgData = JSON.parse(res.data.apiResultData).msgData;console.log(msgData)let routes = msgData.routeResps[0].routes;var steps = [];var step = {};console.log(routes)}})},

丰桥接口要成功完成三次调试才能接入生产环境，在未进入生产环境钱，获取到的路由数据都只有一条。

在测试和生产环境中的post地址是不一样的，所以在微信小程序中要配置两个域名，一个是沙箱环境下，一个是生产环境下。

在测试完成之后，申请进入生产环境，部分情况下可以申请免面单审核，直接去帮助中心我要提问处进行申请就行，大概一到三天审核通过后就可以进入生产环境，但是默认都有下订单接口，所以要先配置好下单接口，其他的接口才能接入生产环境，最后我得到的数据就如下：

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