cashier_desktop/dist-electron/main.js

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"use strict";
const path = require("path");
const electron = require("electron");
const os = require("os");
let win;
electron.app.whenReady().then(() => {
win = new electron.BrowserWindow({
title: "银收客",
width: 1024,
height: 768,
fullscreenable: true,
fullscreen: process.env.VITE_DEV_SERVER_URL ? false : true,
simpleFullscreen: true,
frame: process.env.VITE_DEV_SERVER_URL ? true : false,
webPreferences: {
// 集成网页和 Node.js也就是在渲染进程中可以调用 Node.js 方法
nodeIntegration: true,
contextIsolation: false
}
});
if (process.env.VITE_DEV_SERVER_URL) {
win.loadURL(process.env.VITE_DEV_SERVER_URL);
} else {
win.loadFile(path.resolve(__dirname, "../dist/index.html"));
}
electron.app.on("activate", () => {
if (electron.BrowserWindow.getAllWindows().length === 0) {
createWindow();
}
});
electron.ipcMain.on("quitHandler", (_, msg) => {
win = null;
electron.app.exit();
});
electron.ipcMain.on("getPrintList", () => {
win.webContents.getPrintersAsync().then((res) => {
win.webContents.send("printList", res);
});
});
electron.ipcMain.on("getOSmacSync", () => {
let mac = "";
if (os.networkInterfaces().WLAN) {
mac = os.networkInterfaces().WLAN[0].mac;
console.log("wlan.mac===", mac);
} else {
mac = os.networkInterfaces()["以太网"][0].mac;
console.log("以太网.mac===", mac);
}
win.webContents.send("getOSmacRes", mac);
});
const tagPrintWin = new electron.BrowserWindow({
show: false,
width: 360,
height: 240,
webPreferences: {
nodeIntegration: true,
contextIsolation: false
}
});
if (process.env.VITE_DEV_SERVER_URL) {
tagPrintWin.loadFile(path.join(__dirname, "../public/tag_print.html"));
} else {
tagPrintWin.loadFile(path.resolve(__dirname, "../dist/tag_print.html"));
}
electron.ipcMain.on("printerTagSync", (event, arg) => {
console.log(arg);
tagPrintWin.webContents.send("getParams", arg);
});
electron.ipcMain.on("printTagStart", (event, arg) => {
const _parmas = JSON.parse(arg);
let name = _parmas.deviceName;
tagPrintWin.webContents.print({
silent: true,
deviceName: name,
pageSize: {
width: 45e3,
height: 3e4
},
scaleFactor: 80,
landscape: false,
margins: {
marginType: "none",
top: 0,
bottom: 0,
left: 0,
right: 0
},
dpi: {
horizontal: 203,
vertical: 203
}
});
});
const gotTheLock = electron.app.requestSingleInstanceLock();
if (!gotTheLock) {
electron.app.quit();
} else {
electron.app.on("second-instance", (event, commandLine, workingDirectory) => {
if (win) {
if (win.isMinimized())
win.restore();
win.focus();
win.show();
}
});
}
win.on("close", (e) => {
e.preventDefault();
win.webContents.send("showCloseDialog");
});
});
electron.app.on("window-all-closed", () => {
if (process.platform !== "darwin")
electron.app.quit();
});