feat: 新增启动程序的同时启动额外资源目录中的jar

仅测试了window和mac系统

1. ee 框架ready后，通过命令启动jar(优先试用配置的端口，被占用时则随机端口)
2. did-finish-load 事件通知 fronend 存储java程序的访问地址
3. 程序退出时，通过命令行kill掉程序
4. 提供前端调用 java 接口的示例

main.js

@@ -1,4 +1,6 @@
 const Appliaction = require('ee-core').Appliaction;
+const getPort = require('get-port');
+const { app } = require('electron');
 
 class Main extends Appliaction {
 
@@ -12,6 +14,26 @@ class Main extends Appliaction {
    */
   async ready () {
     // do some things
+
+    await this.createJavaPorts();
+    await this.startJava();
+  }
+
+  async createJavaPorts() {
+    if (this.config.javaServer.enable) {
+      const javaPort = await getPort({ port: this.config.javaServer.port });
+      process.env.EE_JAVA_PORT = javaPort;
+      this.config.javaServer.port = javaPort;
+    }
+    // 更新config配置
+    this.getCoreDB().setItem("config", this.config);
+  }
+
+  async startJava() {
+    this.logger.info("[main] startJava start");
+    const javaServer = require("./public/lib/javaServer");
+    javaServer.start(this);
+    this.logger.info("[main] startJava end");
   }
 
   /**
@@ -34,6 +56,16 @@ class Main extends Appliaction {
         win.show();
       })
     }
+
+    const self = this;
+    this.electron.mainWindow.webContents.on("did-finish-load", () => {
+      const updateFrontend = require('./public/lib/updateFrontend');
+      updateFrontend.install(self);
+    });
+
+    app.on("before-quit", async () => {
+      await this.killJava();
+    });
   }
 
   /**
@@ -43,6 +75,13 @@ class Main extends Appliaction {
     // do some things
 
   }
+
+  async killJava() {
+    if (this.config.javaServer.enable) {
+      const javaServer = require("./public/lib/javaServer");
+      await javaServer.kill(this);
+    }
+  }
 }
 
 new Main();