整理如下：
let data = {3: ‘影视‘, 4: ‘音乐‘, 5: ‘广场舞‘, 6: ‘游戏‘, 7: ‘综艺‘, 8: ‘动漫‘, 9: ‘翻唱‘, 10: ‘生活‘, 11: ‘美食‘, 12: ‘亲子‘}
let arr = []
for (var i in data) {
let c = {
id: i,
label: data[i]
}
arr.push(c)
}
console.log(arr) // [{id: 3, label: ‘影视‘}, {id: 4, label: ‘音乐‘}, ...]
原文：https://www.cnblogs.com/wang715100018066/p/9909225.html