var encode = require("./encoding.js") // var app = getApp(); var jpPrinter = { createNew: function () { var jpPrinter = {}; var data = [];

var bar = [“UPC-A”, “UPC-E”, “EAN13”, “EAN8”, “CODE39”, “ITF”, “CODABAR”, “CODE93”, “CODE128”];

jpPrinter.name = “账单模式”;

jpPrinter.init = function () { //初始化打印机 data.push(27) data.push(64) };

jpPrinter.setText = function (content) { //设置文本内容 var code = new encode.TextEncoder( ‘gb18030’, { NONSTANDARD_allowLegacyEncoding: true }).encode(content) for (var i = 0; i < code.length; ++i) { data.push(code[i]) } }

jpPrinter.setUnderlineMode = function (n) { // 选择/取消下划线模式 data.push(28) data.push(45) data.push(n) // 0,48 取消下划线模式 // 1,49 选择下划线模式（1 点宽） // 2,50 选择下划线模式（2 点宽） }

jpPrinter.setBarcodeWidth = function (width) { //设置条码宽度 data.push(29) data.push(119) if (width > 6) { width = 6; } if (width < 2) { width = 1; } data.push(width) }

jpPrinter.setBarcodeHeight = function (height) { //设置条码高度 data.push(29) data.push(104) data.push(height) }

jpPrinter.setBarcodeContent = function (content) { var code = new encode.TextEncoder( ‘gb18030’, { NONSTANDARD_allowLegacyEncoding: true }).encode(content) // var ty = 73; data.push(29) data.push(107) // switch (t) { // case bar[0]: // ty = 65; // break; // case bar[1]: // ty = 66; // break; // case bar[2]: // ty = 67; // break; // case bar[3]: // ty = 68; // break; // case bar[4]: // ty = 69; // break; // case bar[5]: // ty = 70; // break; // case bar[6]: // ty = 71; // break; // case bar[7]: // ty = 72; // break; // case bar[8]: // ty = 73; // break; // } data.push(2) // 固定 打印JAN13(EAN13)的条码类型 for (var i = 0; i < code.length; ++i) { data.push(code[i]) } data.push(0)

}

jpPrinter.setSelectSizeOfModuleForQRCode = function (n) { //设置二维码大小 data.push(29) data.push(40) data.push(107) data.push(3) data.push(0) data.push(49) data.push(67) if (n > 15) { n = 15 } if (n < 1) { n = 1 } data.push(n) }

jpPrinter.setSelectErrorCorrectionLevelForQRCode = function (n) { //设置纠错等级 /* n 功能 纠错能力 48 选择纠错等级 L 7 49 选择纠错等级 M 15 50 选择纠错等级 Q 25 51 选择纠错等级 H 30 */ data.push(29) data.push(40) data.push(107) data.push(3) data.push(0) data.push(49) data.push(69) data.push(n) }

jpPrinter.setStoreQRCodeData = function (content) { //设置二维码内容 var code = new encode.TextEncoder( ‘gb18030’, { NONSTANDARD_allowLegacyEncoding: true }).encode(content) data.push(29) data.push(40) data.push(107) data.push(parseInt((code.length + 3) % 256)) data.push(parseInt((code.length + 3) / 256)) data.push(49) data.push(80) data.push(48)

for (var i = 0; i < code.length; ++i) { data.push(code[i]) } }

jpPrinter.setPrintQRCode = function () { //打印二维码 data.push(29) data.push(40) data.push(107) data.push(3) data.push(0) data.push(49) data.push(81) data.push(48) }

jpPrinter.setHorTab = function () { //移动打印位置到下一个水平定位点的位置 data.push(9) }

jpPrinter.setAbsolutePrintPosition = function(where) { //设置绝对打印位置 data.push(27) data.push(36) data.push(parseInt(where % 256)) data.push(parseInt(where / 256)) }

jpPrinter.setRelativePrintPositon = function (where) { //设置相对横向打印位置 data.push(27) data.push(92) data.push(parseInt(where % 256)) data.push(parseInt(where / 256)) }

jpPrinter.setSelectJustification = function (which) { //对齐方式 /* 0, 48 左对齐 1, 49 中间对齐 2, 50 右对齐 */ data.push(27) data.push(97) data.push(which) }

jpPrinter.setFontSize=function(n){//设置字体大小 data.push(29) data.push(33) data.push(n) // data.push( 10001000 ) }

jpPrinter.bold = function (n) {//加粗 data.push(27) data.push(69) data.push(0) // 写死为0，都不加粗 // data.push(n) }

jpPrinter.rowSpace = function (n) { //设置行间距 return // data.push(27) // data.push(51) // data.push(n) }

jpPrinter.setLeftMargin = function (n) { //设置左边距 data.push(29) data.push(76) data.push(parseInt(n % 256)) data.push(parseInt(n / 256)) }

jpPrinter.setPrintingAreaWidth = function (width) { //设置打印区域宽度 data.push(29) data.push(87) data.push(parseInt(width % 256)) data.push(parseInt(width / 256)) }

jpPrinter.setSound = function (n, t) { //设置蜂鸣器 data.push(27) data.push(66) if (n < 0) { n = 1; } else if (n > 9) { n = 9; }

if (t < 0) { t = 1; } else if (t > 9) { t = 9; } data.push(n) data.push(t) }

jpPrinter.setBitmap = function (res) { //参数，画布的参数 console.log(res) var width = parseInt((res.width + 7) / 8 * 8 / 8) var height = res.height; var time = 1; var temp = res.data.length - width * 32; var point_list = [] console.log(width + “–” + height) data.push(29) data.push(118) data.push(48) data.push(0) data.push((parseInt((res.width + 7) / 8) * 8) / 8) data.push(0) data.push(parseInt(res.height % 256)) data.push(parseInt(res.height / 256)) console.log(res.data.length) console.log(“temp=” + temp) for (var i = 0; i < height; ++i) { for (var j = 0; j < width; ++j) { for (var k = 0; k < 32; k += 4) { var po = {} if (res.data[temp] == 0 && res.data[temp + 1] == 0 && res.data[temp + 2] == 0 && res.data[temp + 3] == 0) { po.point = 0; } else { po.point = 1; } point_list.push(po) temp += 4 } } time++ temp = res.data.length - width * 32 * time } for (var i = 0; i < point_list.length; i += 8) { var p = point_list[i].point * 128 + point_list[i + 1].point * 64 + point_list[i + 2].point * 32 + point_list[i + 3].point * 16 + point_list[i + 4].point * 8 + point_list[i + 5].point * 4 + point_list[i + 6].point * 2 + point_list[i + 7].point data.push§ } }

jpPrinter.setPrint = function () { //打印并换行 data.push(10) }

jpPrinter.setPrintAndFeed = function (feed) { //打印并走纸feed个单位 data.push(27) data.push(74) data.push(feed) }

jpPrinter.setPrintAndFeedRow = function (row) { //打印并走纸row行 data.push(27) data.push(100) data.push(row) }

jpPrinter.getData = function () { //获取打印数据 return data; };

return jpPrinter; },