function generateOptionsByObj(obj) {
var keys = Object.keys(obj)
var values = Object.values(obj)
var res = new Array()
let len = keys.length
for(var i = 0;i < len;i++){
var a = {'value':keys[i],'label':values[i]}
res.push(a)
}
return res
}
const obj = {'apple':'苹果','banana':'香蕉'}
console.log(generateOptionsByObj(obj))