uniapp开发app接飞蛾云打印机

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1:APP接入飞蛾云打印机,先进入飞蛾云开放平台,注册账号,登录开放平台实名认证,根据自身需求而定。

2:进入飞蛾打印机开放平台,进入接口列表,在你的APP里面进行调用,参数必填项,都是飞蛾打印机后台系统里面的,可以查看。

3:开发过程中遇到问题,可以添加上方的飞蛾云企业微信,寻求帮助!

4:测试要自备一台打印机,链接wife,APP上调用接口,接口调用成功,则自动打印小票即操作成功。

5:部分代码片段如下。

A:封装测试打印字段: var orderInfo; orderInfo = 'XXX外卖配送
'; orderInfo += '名称      单价 数量 金额
'; orderInfo += '--------------------------------
'; orderInfo += '蛋       10.0 10 10.0
'; orderInfo += '炒饭      10.0 10 10.0
'; orderInfo += '蛋炒饭     10.0 100 100.0
'; orderInfo += '鸡蛋炒饭    100.0 100 100.0
'; orderInfo += '西红柿炒饭   1000.0 1 100.0
'; orderInfo += '西红柿蛋炒饭  100.0 100 100.0
'; orderInfo += '西红柿鸡蛋炒饭 15.0 1 15.0
'; orderInfo += '备注:加辣
'; orderInfo += '--------------------------------
'; orderInfo += '合计:99.99元
'; orderInfo += '送货地点:xx大学
'; orderInfo += '联系电话:138***888
'; orderInfo += '订餐时间:2014-08-08 08:08:08
'; orderInfo += 'www.dzist.com';

B:字段处理格式: var hexcase = 0; var chrsz = 8;

function hex_sha1(s) { return binb2hex(core_sha1(AlignSHA1(s))); }

function core_sha1(blockArray) { var x = blockArray; var w = Array(80); var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878; var e = -1009589776; for (var i = 0; i < x.length; i += 16) { var olda = a; var oldb = b; var oldc = c; var oldd = d; var olde = e; for (var j = 0; j < 80; j++) { if (j < 16) w[j] = x[i + j]; else w[j] = rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1); var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), safe_add(safe_add(e, w[j]), sha1_kt(j))); e = d; d = c; c = rol(b, 30); b = a; a = t; } a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); e = safe_add(e, olde); } return new Array(a, b, c, d, e); }

function sha1_ft(t, b, c, d) { if (t < 20) return (b & c) | ((~b) & d); if (t < 40) return b ^ c ^ d; if (t < 60) return (b & c) | (b & d) | (c & d); return b ^ c ^ d; }

function sha1_kt(t) { return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : (t < 60) ? -1894007588 : -899497514; }

function safe_add(x, y) { var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF); }

function rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)); }

function AlignSHA1(str) { var nblk = ((str.length + 8) >> 6) + 1, blks = new Array(nblk * 16); for (var i = 0; i < nblk * 16; i++) blks[i] = 0; for (i = 0; i < str.length; i++) blks[i >> 2] |= str.charCodeAt(i) << (24 - (i & 3) * 8); blks[i >> 2] |= 0x80 << (24 - (i & 3) * 8); blks[nblk * 16 - 1] = str.length * 8; return blks; }

function binb2hex(binarray) { var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for (var i = 0; i < binarray.length * 4; i++) { str += hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8 + 4)) & 0xF) + hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8)) & 0xF); } return str; }

C:接口调用方法:我使用的AXIOS function printer(orderInfo) { var USER = '806703698@qq.com'; var STIME = new Date().getTime(); //请求时间,当前时间的秒数 var UKEY = 'YRwaGs7B2gFzNuTm'; var SIG = hex_sha1(USER + UKEY + STIME); //获取签名 console.log(SIG) var HOST = "api.feieyun.cn"; //域名 var PATH = "/Api/Open/"; //接口路径 var arrdata = { user: USER, stime: STIME, sig: SIG, //签名 apiname: 'Open_printMsg', sn: '550550048', content: orderInfo, //打印内容 } axios({ method: 'POST', url: 'https://' + HOST + PATH, data: Qs.stringify(arrdata), headers: { 'content-Type': 'application/x-www-form-urlencoded' } }).then(res => { console.log(res) }); }