本次存储存数组对象

存

var arrLi = [{"search_content":"火锅"},{"search_content":"火锅1"},{"search_content":"火锅2"}];//定义

localStorage.setItem("searchLI",JSON.stringify(arrLi));

获取

var arrLi1 = JSON.parse(localStorage.getItem("searchLI"));

累加：

arrLi1.push({"search_content":"火锅"})
;
修改：

localStorage.setItem("searchLI",JSON.stringify(arrLi1));

全部清除

this.xxx = [];
localStorage.removeItem('searchLI');