vue,jquery实现前一天 后一天

export default { components: { }, data() { return { date: '', } }, methods: { // 前一天 before: function() { var oldDateObj = new Date((this.date)); var newDateObj = new Date(oldDateObj.getTime() - 86400000); let year = newDateObj.getFullYear(); let month = newDateObj.getMonth() + 1; let day = newDateObj.getDate(); month = month > 9 ? month : '0' + month; day = day > 9 ? day : '0' + day; this.date = `${year}-${month}-${day}`; }, // 后一天 after: function() { var oldDateObj = new Date((this.date)); var newDateObj = new Date(oldDateObj.getTime() + 86400000); let year = newDateObj.getFullYear(); let month = newDateObj.getMonth() + 1; let day = newDateObj.getDate(); month = month > 9 ? month : '0' + month; day = day > 9 ? day : '0' + day; this.date = `${year}-${month}-${day}`; }, } }