355 lines
8.6 KiB
JavaScript
355 lines
8.6 KiB
JavaScript
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var encode = require("./encoding.js")
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var app = getApp();
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var jpPrinter = {
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createNew: function() {
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var jpPrinter = {};
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var data = [];
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var bar = ["UPC-A", "UPC-E", "EAN13", "EAN8", "CODE39", "ITF", "CODABAR", "CODE93", "CODE128"];
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jpPrinter.name = "蓝牙打印机";
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jpPrinter.init = function() { //初始化打印机
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data.push(27)
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data.push(64)
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};
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jpPrinter.setText = function(content) { //设置文本内容
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var code = new encode.TextEncoder(
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'gb18030', {
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NONSTANDARD_allowLegacyEncoding: true
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}).encode(content)
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for (var i = 0; i < code.length; ++i) {
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data.push(code[i])
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}
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}
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jpPrinter.setFontSize=function(n){//设置字体大小
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data.push(29)
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data.push(33)
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data.push(n)
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}
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jpPrinter.bold = function (n) {//加粗
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data.push(27)
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data.push(69)
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data.push(n)
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}
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jpPrinter.setUnderline=function(n){//设置下划线
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data.push(27)
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data.push(45)
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data.push(n)
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}
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jpPrinter.setUnderline2 = function (n) {//设置下划线
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data.push(28)
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data.push(45)
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data.push(n)
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}
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// jpPrinter.setBarcodeWidth = function(width) { //设置条码宽度
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// data.push(29)
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// data.push(119)
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// if (width > 6) {
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// width = 6;
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// }
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// if (width < 2) {
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// width = 1;
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// }
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// data.push(width)
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// }
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// jpPrinter.setBarcodeHeight = function(height) { //设置条码高度
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// data.push(29)
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// data.push(104)
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// data.push(height)
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// }
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// jpPrinter.setBarcodeContent = function(t,content) {
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// var ty = 73;
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// data.push(29)
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// data.push(107)
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// switch (t) {
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// case bar[0]:
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// ty = 65;
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// break;
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// case bar[1]:
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// ty = 66;
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// break;
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// case bar[2]:
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// ty = 67;
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// break;
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// case bar[3]:
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// ty = 68;
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// break;
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// case bar[4]:
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// ty = 69;
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// break;
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// case bar[5]:
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// ty = 70;
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// break;
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// case bar[6]:
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// ty = 71;
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// break;
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// case bar[7]:
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// ty = 72;
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// break;
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// case bar[8]:
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// ty = 73;
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// break;
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// }
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// data.push(ty)
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// }
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jpPrinter.setSelectSizeOfModuleForQRCode = function(n) { //设置二维码大小
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data.push(29)
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data.push(40)
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data.push(107)
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data.push(3)
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data.push(0)
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data.push(49)
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data.push(67)
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if (n > 15) {
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n = 15
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}
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if (n < 1) {
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n = 1
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}
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data.push(n)
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}
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jpPrinter.setSelectErrorCorrectionLevelForQRCode = function(n) { //设置纠错等级
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/*
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n 功能 纠错能力
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48 选择纠错等级 L 7
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49 选择纠错等级 M 15
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50 选择纠错等级 Q 25
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51 选择纠错等级 H 30
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*/
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data.push(29)
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data.push(40)
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data.push(107)
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data.push(3)
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data.push(0)
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data.push(49)
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data.push(69)
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data.push(n)
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}
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jpPrinter.setStoreQRCodeData = function(content) { //设置二维码内容
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var code = new encode.TextEncoder(
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'gb18030', {
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NONSTANDARD_allowLegacyEncoding: true
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}).encode(content)
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data.push(29)
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data.push(40)
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data.push(107)
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data.push(parseInt((code.length + 3) % 256))
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data.push(parseInt((code.length + 3) / 256))
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data.push(49)
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data.push(80)
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data.push(48)
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for (var i = 0; i < code.length; ++i) {
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data.push(code[i])
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}
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}
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jpPrinter.setPrintQRCode = function() { //打印二维码
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data.push(29)
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data.push(40)
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data.push(107)
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data.push(3)
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data.push(0)
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data.push(49)
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data.push(81)
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data.push(48)
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}
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jpPrinter.setHorTab = function() { //移动打印位置到下一个水平定位点的位置
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data.push(9)
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}
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jpPrinter.setAbsolutePrintPosition = function(where) { //设置绝对打印位置
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data.push(27)
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data.push(36)
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data.push(parseInt(where % 256))
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data.push(parseInt(where / 256))
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}
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jpPrinter.setRelativePrintPositon = function(where) { //设置相对横向打印位置
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data.push(27)
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data.push(92)
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data.push(parseInt(where % 256))
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data.push(parseInt(where / 256))
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}
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jpPrinter.setSelectJustification = function(which) { //对齐方式
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/*
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0, 48 左对齐
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1, 49 中间对齐
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2, 50 右对齐
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*/
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data.push(27)
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data.push(97)
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data.push(which)
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}
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jpPrinter.space = function (n) { //设置横向跳格位置
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data.push(27)
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data.push(68)
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data.push(n)
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}
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jpPrinter.setLeftMargin = function(n) { //设置左边距
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data.push(29)
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data.push(76)
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data.push(parseInt(n % 256))
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data.push(parseInt(n / 256))
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}
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jpPrinter.textMarginRight = function (n) { //设置字符右间距
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data.push(27)
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data.push(32)
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data.push(n)
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}
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jpPrinter.rowSpace = function (n) { //设置行间距
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data.push(27)
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data.push(51)
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data.push(n)
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}
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jpPrinter.setPrintingAreaWidth = function(width) { //设置打印区域宽度
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data.push(29)
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data.push(87)
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data.push(parseInt(width % 256))
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data.push(parseInt(width / 256))
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}
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jpPrinter.setSound = function(n, t) { //设置蜂鸣器
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data.push(27)
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data.push(66)
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if (n < 0) {
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n = 1;
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} else if (n > 9) {
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n = 9;
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}
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if (t < 0) {
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t = 1;
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} else if (t > 9) {
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t = 9;
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}
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data.push(n)
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data.push(t)
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}
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jpPrinter.setBitmap = function(res) { //参数，画布的参数
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console.log(res)
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var width = parseInt((res.width + 7) / 8 * 8 / 8)
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var height = res.height;
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var time = 1;
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var temp = res.data.length - width * 32;
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var point_list = []
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console.log(width + "--" + height)
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data.push(29)
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data.push(118)
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data.push(48)
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data.push(0)
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data.push((parseInt((res.width + 7) / 8) * 8) / 8)
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data.push(0)
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data.push(parseInt(res.height % 256))
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data.push(parseInt(res.height / 256))
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console.log(res.data.length)
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console.log("temp=" + temp)
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for (var i = 0; i < height; ++i) {
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for (var j = 0; j < width; ++j) {
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for (var k = 0; k < 32; k += 4) {
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var po = {}
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if (res.data[temp] == 0 && res.data[temp + 1] == 0 && res.data[temp + 2] == 0 && res.data[temp + 3] == 0) {
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po.point = 0;
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} else {
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po.point = 1;
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}
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point_list.push(po)
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temp += 4
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}
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}
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time++
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temp = res.data.length - width * 32 * time
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}
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for (var i = 0; i < point_list.length; i += 8) {
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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
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data.push(p)
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}
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}
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jpPrinter.setPrint = function() { //打印并换行
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data.push(10)
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}
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jpPrinter.setPrintAndFeed = function(feed) { //打印并走纸feed个单位
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data.push(27)
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data.push(74)
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data.push(feed)
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}
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jpPrinter.setPrintAndFeedRow = function(row) { //打印并走纸row行
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data.push(27)
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data.push(100)
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data.push(row)
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}
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jpPrinter.getData = function() { //获取打印数据
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return data;
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};
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return jpPrinter;
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},
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Query: function() {
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var queryStatus = {};
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var buf;
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var dateView;
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queryStatus.getRealtimeStatusTransmission = function(n) { //查询打印机实时状态
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/*
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n = 1：传送打印机状态
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n = 2：传送脱机状态
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n = 3：传送错误状态
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n = 4：传送纸传感器状态
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*/
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buf = new ArrayBuffer(3)
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dateView = new DataView(buf)
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dateView.setUint8(0, 16)
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dateView.setUint8(1, 4)
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dateView.setUint8(2, n)
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queryStatus.query(buf)
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}
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queryStatus.query = function(buf) {
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wx.writeBLECharacteristicValue({
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deviceId: app.BLEInformation.deviceId,
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serviceId: app.BLEInformation.writeServiceId,
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characteristicId: app.BLEInformation.writeCharaterId,
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value: buf,
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success: function(res) {
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},
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complete: function(res) {
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console.log(res)
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buf = null
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dateView = null;
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}
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})
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}
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return queryStatus;
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}
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};
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module.exports.jpPrinter = jpPrinter;
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