vue.js视图不更新的三种解决办法:
1. Vue.set(vm.someObject, 'keyORindex', 2)
2、this.$set(this.someObject,'keyORindex',2)
3、// 代替 `Object.assign(this.someObject, { a: 1, b: 2 })
this.someObject = Object.assign({}, this.someObject, { a: 1, b: 2 })
4.splice 替换 传三个参数 (开始下标,删除个数,替换内容)
this.listMoveX.splice(index,1,'0');