var data = [
[
['2019/01/07','低落伤心',321773631,'yy','低落伤心'],
['2019/01/05','低落伤心',321773631,'yy','低落伤心']
],
[
['2019/01/02','正常平和',321773631,'yy','正常平和'],
['2019/01/04','正常平和',321773631,'yy','正常平和'],
],
[
['2019/01/03','开心快乐',321773631,'yy','开心快乐'],
['2019/01/10','开心快乐',321773631,'yy','开心快乐'],
]
];
比如 ,
['2019/01/07,'2019/01/07,'2019/01/07,...]
ES2019 特性,低版本需 babel。