const battstate=['未知','浮充','充电','放电','均充']; function getBattstate(state){ var str=""; switch(state){ case 1:str = battstate[1];break; case 2:str = battstate[2];break; case 3:str = battstate[3];break; case 4:str = battstate[4];break; default:str = battstate[0]; } return str; } export default getBattstate;