//对象转数组
let array = Object.keys(userPermission).map(key=> userPermission[key])

console.log(array)

userPermission是数据对象

//对象转map
objToStrMap(obj) {
let strMap = new Map();
for (let k of Object.keys(obj)) {
strMap.set(k, obj[k]);
}
return strMap;
}

//调用objToStrMap（obj）