1)方式一
<activity android:name=".Activity.ExtrusionWorkShop.mfg.MfgJiya_Activity" android:screenOrientation=“portrait”>
<intent-filter>
<action android:name="leap.mes.work.foreground_extrusion.Activity.ExtrusionWorkShop.mfg.MfgJiya_Activity" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
2)方式二
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); // 禁用横屏
}