IF函数的使用方法

{"name":"IF\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u6cd5","type":"\u660e\u661f\u5267","area":"\u5370\u5ea6","year":"2018","lang":"\u7ca4\u8bed","play":"4K\u8d85\u6e05","type1":"\u660e\u661f\u5267"}