【多模子系统】接口文档及指南修改

Signed-off-by: Nmayunteng_1 <mayunteng@huawei.com>
Change-Id: Iaa9a20fd40d1814204b6771bc0ba24304df27a31

zh-cn/application-dev/device/inputdevice-guidelines.md

@@ -41,7 +41,7 @@ try {
   inputDevice.getDeviceList().then(data => {
     for (let i = 0; i < data.length; ++i) {
       inputDevice.getKeyboardType(data[i]).then(type => {
-        if (type == inputDevice.KeyboardType.ALPHABETIC_KEYBOARD) {
+        if (type === inputDevice.KeyboardType.ALPHABETIC_KEYBOARD) {
           // 物理键盘已连接
           isPhysicalKeyboardExist = true;
         }
@@ -53,7 +53,7 @@ try {
     console.log(`Device event info: ${JSON.stringify(data)}`);
     inputDevice.getKeyboardType(data.deviceId, (error, type) => {
       console.log("The keyboard type is: " + type);
-      if (type == inputDevice.KeyboardType.ALPHABETIC_KEYBOARD && data.type == 'add') {
+      if (type === inputDevice.KeyboardType.ALPHABETIC_KEYBOARD && data.type == 'add') {
         // 物理键盘已插入
         isPhysicalKeyboardExist = true;
       } else if (type == inputDevice.KeyboardType.ALPHABETIC_KEYBOARD && data.type == 'remove') {