first commit

utils/index.js

@@ -0,0 +1,55 @@
+const exec = require('child_process').exec; 
+const config = require('../config');
+
+class Utils{
+
+    /**
+     * 运行命令
+     * @param cmdStr
+     * @returns {Promise<unknown>}
+     */
+    execShell (cmdStr) {
+        return new Promise((resolve,reject)=> {
+            exec(cmdStr, function(err,stdout,stderr) {
+                if(err) {
+                    console.log('shell is run: '+ stderr);
+                } else {
+                    resolve(stdout)
+                }
+            });
+        })
+    }
+
+    /**
+     * 检查是否安装 ADBKeyboard.apk app
+     * 否则无法输入中文
+     * @constructor
+     */
+    async CheckAdbKeyboard() {
+        let res = await this.execShell(config.baseShell.adbkeyboard);
+        if (res.indexOf("com.android.adbkeyboard") > -1) {
+            return true
+        } else {
+            console.error("请先安装 ADBKeyboard.apk")
+            return false
+        }
+    }
+
+    /**
+     * 检查是否安装adb
+     * @returns {Promise<void>}
+     * @constructor
+     */
+    async CheckInstallAdb() {
+        let res = await this.execShell(config.baseShell.adb)
+        if (res.indexOf("Android Debug Bridge version") > -1) {
+            return true
+        } else {
+            console.error("请先在PC电脑上安装adb工具！！")
+            return false
+        }
+    }
+
+}
+
+module.exports = new Utils();