| <template> | 
|     <div class="popup-result"> | 
|         <p class="title">最近5次运行时间</p> | 
|         <ul class="popup-result-scroll"> | 
|             <template v-if='isShow'> | 
|                 <li v-for='item in resultList' :key="item">{{item}}</li> | 
|             </template> | 
|             <li v-else>计算结果中...</li> | 
|         </ul> | 
|     </div> | 
| </template> | 
|   | 
| <script> | 
| export default { | 
|     data() { | 
|         return { | 
|             dayRule: '', | 
|             dayRuleSup: '', | 
|             dateArr: [], | 
|             resultList: [], | 
|             isShow: false | 
|         } | 
|     }, | 
|     name: 'crontab-result', | 
|     methods: { | 
|         // 表达式值变化时,开始去计算结果 | 
|         expressionChange() { | 
|   | 
|             // 计算开始-隐藏结果 | 
|             this.isShow = false; | 
|             // 获取规则数组[0秒、1分、2时、3日、4月、5星期、6年] | 
|             let ruleArr = this.$options.propsData.ex.split(' '); | 
|             // 用于记录进入循环的次数 | 
|             let nums = 0; | 
|             // 用于暂时存符号时间规则结果的数组 | 
|             let resultArr = []; | 
|             // 获取当前时间精确至[年、月、日、时、分、秒] | 
|             let nTime = new Date(); | 
|             let nYear = nTime.getFullYear(); | 
|             let nMonth = nTime.getMonth() + 1; | 
|             let nDay = nTime.getDate(); | 
|             let nHour = nTime.getHours(); | 
|             let nMin = nTime.getMinutes(); | 
|             let nSecond = nTime.getSeconds(); | 
|             // 根据规则获取到近100年可能年数组、月数组等等 | 
|             this.getSecondArr(ruleArr[0]); | 
|             this.getMinArr(ruleArr[1]); | 
|             this.getHourArr(ruleArr[2]); | 
|             this.getDayArr(ruleArr[3]); | 
|             this.getMonthArr(ruleArr[4]); | 
|             this.getWeekArr(ruleArr[5]); | 
|             this.getYearArr(ruleArr[6], nYear); | 
|             // 将获取到的数组赋值-方便使用 | 
|             let sDate = this.dateArr[0]; | 
|             let mDate = this.dateArr[1]; | 
|             let hDate = this.dateArr[2]; | 
|             let DDate = this.dateArr[3]; | 
|             let MDate = this.dateArr[4]; | 
|             let YDate = this.dateArr[5]; | 
|             // 获取当前时间在数组中的索引 | 
|             let sIdx = this.getIndex(sDate, nSecond); | 
|             let mIdx = this.getIndex(mDate, nMin); | 
|             let hIdx = this.getIndex(hDate, nHour); | 
|             let DIdx = this.getIndex(DDate, nDay); | 
|             let MIdx = this.getIndex(MDate, nMonth); | 
|             let YIdx = this.getIndex(YDate, nYear); | 
|             // 重置月日时分秒的函数(后面用的比较多) | 
|             const resetSecond = function () { | 
|                 sIdx = 0; | 
|                 nSecond = sDate[sIdx] | 
|             } | 
|             const resetMin = function () { | 
|                 mIdx = 0; | 
|                 nMin = mDate[mIdx] | 
|                 resetSecond(); | 
|             } | 
|             const resetHour = function () { | 
|                 hIdx = 0; | 
|                 nHour = hDate[hIdx] | 
|                 resetMin(); | 
|             } | 
|             const resetDay = function () { | 
|                 DIdx = 0; | 
|                 nDay = DDate[DIdx] | 
|                 resetHour(); | 
|             } | 
|             const resetMonth = function () { | 
|                 MIdx = 0; | 
|                 nMonth = MDate[MIdx] | 
|                 resetDay(); | 
|             } | 
|             // 如果当前年份不为数组中当前值 | 
|             if (nYear !== YDate[YIdx]) { | 
|                 resetMonth(); | 
|             } | 
|             // 如果当前月份不为数组中当前值 | 
|             if (nMonth !== MDate[MIdx]) { | 
|                 resetDay(); | 
|             } | 
|             // 如果当前“日”不为数组中当前值 | 
|             if (nDay !== DDate[DIdx]) { | 
|                 resetHour(); | 
|             } | 
|             // 如果当前“时”不为数组中当前值 | 
|             if (nHour !== hDate[hIdx]) { | 
|                 resetMin(); | 
|             } | 
|             // 如果当前“分”不为数组中当前值 | 
|             if (nMin !== mDate[mIdx]) { | 
|                 resetSecond(); | 
|             } | 
|   | 
|             // 循环年份数组 | 
|             goYear: for (let Yi = YIdx; Yi < YDate.length; Yi++) { | 
|                 let YY = YDate[Yi]; | 
|                 // 如果到达最大值时 | 
|                 if (nMonth > MDate[MDate.length - 1]) { | 
|                     resetMonth(); | 
|                     continue; | 
|                 } | 
|                 // 循环月份数组 | 
|                 goMonth: for (let Mi = MIdx; Mi < MDate.length; Mi++) { | 
|                     // 赋值、方便后面运算 | 
|                     let MM = MDate[Mi]; | 
|                     MM = MM < 10 ? '0' + MM : MM; | 
|                     // 如果到达最大值时 | 
|                     if (nDay > DDate[DDate.length - 1]) { | 
|                         resetDay(); | 
|                         if (Mi == MDate.length - 1) { | 
|                             resetMonth(); | 
|                             continue goYear; | 
|                         } | 
|                         continue; | 
|                     } | 
|                     // 循环日期数组 | 
|                     goDay: for (let Di = DIdx; Di < DDate.length; Di++) { | 
|                         // 赋值、方便后面运算 | 
|                         let DD = DDate[Di]; | 
|                         let thisDD = DD < 10 ? '0' + DD : DD; | 
|   | 
|                         // 如果到达最大值时 | 
|                         if (nHour > hDate[hDate.length - 1]) { | 
|                             resetHour(); | 
|                             if (Di == DDate.length - 1) { | 
|                                 resetDay(); | 
|                                 if (Mi == MDate.length - 1) { | 
|                                     resetMonth(); | 
|                                     continue goYear; | 
|                                 } | 
|                                 continue goMonth; | 
|                             } | 
|                             continue; | 
|                         } | 
|   | 
|                         // 判断日期的合法性,不合法的话也是跳出当前循环 | 
|                         if (this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true && this.dayRule !== 'workDay' && this.dayRule !== 'lastWeek' && this.dayRule !== 'lastDay') { | 
|                             resetDay(); | 
|                             continue goMonth; | 
|                         } | 
|                         // 如果日期规则中有值时 | 
|                         if (this.dayRule == 'lastDay') { | 
|                             // 如果不是合法日期则需要将前将日期调到合法日期即月末最后一天 | 
|   | 
|                             if (this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true) { | 
|                                 while (DD > 0 && this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true) { | 
|                                     DD--; | 
|   | 
|                                     thisDD = DD < 10 ? '0' + DD : DD; | 
|                                 } | 
|                             } | 
|                         } else if (this.dayRule == 'workDay') { | 
|                             // 校验并调整如果是2月30号这种日期传进来时需调整至正常月底 | 
|                             if (this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true) { | 
|                                 while (DD > 0 && this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true) { | 
|                                     DD--; | 
|                                     thisDD = DD < 10 ? '0' + DD : DD; | 
|                                 } | 
|                             } | 
|                             // 获取达到条件的日期是星期X | 
|                             let thisWeek = this.formatDate(new Date(YY + '-' + MM + '-' + thisDD + ' 00:00:00'), 'week'); | 
|                             // 当星期日时 | 
|                             if (thisWeek == 1) { | 
|                                 // 先找下一个日,并判断是否为月底 | 
|                                 DD++; | 
|                                 thisDD = DD < 10 ? '0' + DD : DD; | 
|                                 // 判断下一日已经不是合法日期 | 
|                                 if (this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true) { | 
|                                     DD -= 3; | 
|                                 } | 
|                             } else if (thisWeek == 7) { | 
|                                 // 当星期6时只需判断不是1号就可进行操作 | 
|                                 if (this.dayRuleSup !== 1) { | 
|                                     DD--; | 
|                                 } else { | 
|                                     DD += 2; | 
|                                 } | 
|                             } | 
|                         } else if (this.dayRule == 'weekDay') { | 
|                             // 如果指定了是星期几 | 
|                             // 获取当前日期是属于星期几 | 
|                             let thisWeek = this.formatDate(new Date(YY + '-' + MM + '-' + DD + ' 00:00:00'), 'week'); | 
|                             // 校验当前星期是否在星期池(dayRuleSup)中 | 
|                             if (this.dayRuleSup.indexOf(thisWeek) < 0) { | 
|                                 // 如果到达最大值时 | 
|                                 if (Di == DDate.length - 1) { | 
|                                     resetDay(); | 
|                                     if (Mi == MDate.length - 1) { | 
|                                         resetMonth(); | 
|                                         continue goYear; | 
|                                     } | 
|                                     continue goMonth; | 
|                                 } | 
|                                 continue; | 
|                             } | 
|                         } else if (this.dayRule == 'assWeek') { | 
|                             // 如果指定了是第几周的星期几 | 
|                             // 获取每月1号是属于星期几 | 
|                             let thisWeek = this.formatDate(new Date(YY + '-' + MM + '-' + DD + ' 00:00:00'), 'week'); | 
|                             if (this.dayRuleSup[1] >= thisWeek) { | 
|                                 DD = (this.dayRuleSup[0] - 1) * 7 + this.dayRuleSup[1] - thisWeek + 1; | 
|                             } else { | 
|                                 DD = this.dayRuleSup[0] * 7 + this.dayRuleSup[1] - thisWeek + 1; | 
|                             } | 
|                         } else if (this.dayRule == 'lastWeek') { | 
|                             // 如果指定了每月最后一个星期几 | 
|                             // 校验并调整如果是2月30号这种日期传进来时需调整至正常月底 | 
|                             if (this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true) { | 
|                                 while (DD > 0 && this.checkDate(YY + '-' + MM + '-' + thisDD + ' 00:00:00') !== true) { | 
|                                     DD--; | 
|                                     thisDD = DD < 10 ? '0' + DD : DD; | 
|                                 } | 
|                             } | 
|                             // 获取月末最后一天是星期几 | 
|                             let thisWeek = this.formatDate(new Date(YY + '-' + MM + '-' + thisDD + ' 00:00:00'), 'week'); | 
|                             // 找到要求中最近的那个星期几 | 
|                             if (this.dayRuleSup < thisWeek) { | 
|                                 DD -= thisWeek - this.dayRuleSup; | 
|                             } else if (this.dayRuleSup > thisWeek) { | 
|                                 DD -= 7 - (this.dayRuleSup - thisWeek) | 
|                             } | 
|                         } | 
|                         // 判断时间值是否小于10置换成“05”这种格式 | 
|                         DD = DD < 10 ? '0' + DD : DD; | 
|   | 
|                         // 循环“时”数组 | 
|                         goHour: for (let hi = hIdx; hi < hDate.length; hi++) { | 
|                             let hh = hDate[hi] < 10 ? '0' + hDate[hi] : hDate[hi] | 
|   | 
|                             // 如果到达最大值时 | 
|                             if (nMin > mDate[mDate.length - 1]) { | 
|                                 resetMin(); | 
|                                 if (hi == hDate.length - 1) { | 
|                                     resetHour(); | 
|                                     if (Di == DDate.length - 1) { | 
|                                         resetDay(); | 
|                                         if (Mi == MDate.length - 1) { | 
|                                             resetMonth(); | 
|                                             continue goYear; | 
|                                         } | 
|                                         continue goMonth; | 
|                                     } | 
|                                     continue goDay; | 
|                                 } | 
|                                 continue; | 
|                             } | 
|                             // 循环"分"数组 | 
|                             goMin: for (let mi = mIdx; mi < mDate.length; mi++) { | 
|                                 let mm = mDate[mi] < 10 ? '0' + mDate[mi] : mDate[mi]; | 
|   | 
|                                 // 如果到达最大值时 | 
|                                 if (nSecond > sDate[sDate.length - 1]) { | 
|                                     resetSecond(); | 
|                                     if (mi == mDate.length - 1) { | 
|                                         resetMin(); | 
|                                         if (hi == hDate.length - 1) { | 
|                                             resetHour(); | 
|                                             if (Di == DDate.length - 1) { | 
|                                                 resetDay(); | 
|                                                 if (Mi == MDate.length - 1) { | 
|                                                     resetMonth(); | 
|                                                     continue goYear; | 
|                                                 } | 
|                                                 continue goMonth; | 
|                                             } | 
|                                             continue goDay; | 
|                                         } | 
|                                         continue goHour; | 
|                                     } | 
|                                     continue; | 
|                                 } | 
|                                 // 循环"秒"数组 | 
|                                 goSecond: for (let si = sIdx; si <= sDate.length - 1; si++) { | 
|                                     let ss = sDate[si] < 10 ? '0' + sDate[si] : sDate[si]; | 
|                                     // 添加当前时间(时间合法性在日期循环时已经判断) | 
|                                     if (MM !== '00' && DD !== '00') { | 
|                                         resultArr.push(YY + '-' + MM + '-' + DD + ' ' + hh + ':' + mm + ':' + ss) | 
|                                         nums++; | 
|                                     } | 
|                                     // 如果条数满了就退出循环 | 
|                                     if (nums == 5) break goYear; | 
|                                     // 如果到达最大值时 | 
|                                     if (si == sDate.length - 1) { | 
|                                         resetSecond(); | 
|                                         if (mi == mDate.length - 1) { | 
|                                             resetMin(); | 
|                                             if (hi == hDate.length - 1) { | 
|                                                 resetHour(); | 
|                                                 if (Di == DDate.length - 1) { | 
|                                                     resetDay(); | 
|                                                     if (Mi == MDate.length - 1) { | 
|                                                         resetMonth(); | 
|                                                         continue goYear; | 
|                                                     } | 
|                                                     continue goMonth; | 
|                                                 } | 
|                                                 continue goDay; | 
|                                             } | 
|                                             continue goHour; | 
|                                         } | 
|                                         continue goMin; | 
|                                     } | 
|                                 } //goSecond | 
|                             } //goMin | 
|                         }//goHour | 
|                     }//goDay | 
|                 }//goMonth | 
|             } | 
|             // 判断100年内的结果条数 | 
|             if (resultArr.length == 0) { | 
|                 this.resultList = ['没有达到条件的结果!']; | 
|             } else { | 
|                 this.resultList = resultArr; | 
|                 if (resultArr.length !== 5) { | 
|                     this.resultList.push('最近100年内只有上面' + resultArr.length + '条结果!') | 
|                 } | 
|             } | 
|             // 计算完成-显示结果 | 
|             this.isShow = true; | 
|   | 
|   | 
|         }, | 
|         // 用于计算某位数字在数组中的索引 | 
|         getIndex(arr, value) { | 
|             if (value <= arr[0] || value > arr[arr.length - 1]) { | 
|                 return 0; | 
|             } else { | 
|                 for (let i = 0; i < arr.length - 1; i++) { | 
|                     if (value > arr[i] && value <= arr[i + 1]) { | 
|                         return i + 1; | 
|                     } | 
|                 } | 
|             } | 
|         }, | 
|         // 获取"年"数组 | 
|         getYearArr(rule, year) { | 
|             this.dateArr[5] = this.getOrderArr(year, year + 100); | 
|             if (rule !== undefined) { | 
|                 if (rule.indexOf('-') >= 0) { | 
|                     this.dateArr[5] = this.getCycleArr(rule, year + 100, false) | 
|                 } else if (rule.indexOf('/') >= 0) { | 
|                     this.dateArr[5] = this.getAverageArr(rule, year + 100) | 
|                 } else if (rule !== '*') { | 
|                     this.dateArr[5] = this.getAssignArr(rule) | 
|                 } | 
|             } | 
|         }, | 
|         // 获取"月"数组 | 
|         getMonthArr(rule) { | 
|             this.dateArr[4] = this.getOrderArr(1, 12); | 
|             if (rule.indexOf('-') >= 0) { | 
|                 this.dateArr[4] = this.getCycleArr(rule, 12, false) | 
|             } else if (rule.indexOf('/') >= 0) { | 
|                 this.dateArr[4] = this.getAverageArr(rule, 12) | 
|             } else if (rule !== '*') { | 
|                 this.dateArr[4] = this.getAssignArr(rule) | 
|             } | 
|         }, | 
|         // 获取"日"数组-主要为日期规则 | 
|         getWeekArr(rule) { | 
|             // 只有当日期规则的两个值均为“”时则表达日期是有选项的 | 
|             if (this.dayRule == '' && this.dayRuleSup == '') { | 
|                 if (rule.indexOf('-') >= 0) { | 
|                     this.dayRule = 'weekDay'; | 
|                     this.dayRuleSup = this.getCycleArr(rule, 7, false) | 
|                 } else if (rule.indexOf('#') >= 0) { | 
|                     this.dayRule = 'assWeek'; | 
|                     let matchRule = rule.match(/[0-9]{1}/g); | 
|                     this.dayRuleSup = [Number(matchRule[1]), Number(matchRule[0])]; | 
|                     this.dateArr[3] = [1]; | 
|                     if (this.dayRuleSup[1] == 7) { | 
|                         this.dayRuleSup[1] = 0; | 
|                     } | 
|                 } else if (rule.indexOf('L') >= 0) { | 
|                     this.dayRule = 'lastWeek'; | 
|                     this.dayRuleSup = Number(rule.match(/[0-9]{1,2}/g)[0]); | 
|                     this.dateArr[3] = [31]; | 
|                     if (this.dayRuleSup == 7) { | 
|                         this.dayRuleSup = 0; | 
|                     } | 
|                 } else if (rule !== '*' && rule !== '?') { | 
|                     this.dayRule = 'weekDay'; | 
|                     this.dayRuleSup = this.getAssignArr(rule) | 
|                 } | 
|             } | 
|         }, | 
|         // 获取"日"数组-少量为日期规则 | 
|         getDayArr(rule) { | 
|             this.dateArr[3] = this.getOrderArr(1, 31); | 
|             this.dayRule = ''; | 
|             this.dayRuleSup = ''; | 
|             if (rule.indexOf('-') >= 0) { | 
|                 this.dateArr[3] = this.getCycleArr(rule, 31, false) | 
|                 this.dayRuleSup = 'null'; | 
|             } else if (rule.indexOf('/') >= 0) { | 
|                 this.dateArr[3] = this.getAverageArr(rule, 31) | 
|                 this.dayRuleSup = 'null'; | 
|             } else if (rule.indexOf('W') >= 0) { | 
|                 this.dayRule = 'workDay'; | 
|                 this.dayRuleSup = Number(rule.match(/[0-9]{1,2}/g)[0]); | 
|                 this.dateArr[3] = [this.dayRuleSup]; | 
|             } else if (rule.indexOf('L') >= 0) { | 
|                 this.dayRule = 'lastDay'; | 
|                 this.dayRuleSup = 'null'; | 
|                 this.dateArr[3] = [31]; | 
|             } else if (rule !== '*' && rule !== '?') { | 
|                 this.dateArr[3] = this.getAssignArr(rule) | 
|                 this.dayRuleSup = 'null'; | 
|             } else if (rule == '*') { | 
|                 this.dayRuleSup = 'null'; | 
|             } | 
|         }, | 
|         // 获取"时"数组 | 
|         getHourArr(rule) { | 
|             this.dateArr[2] = this.getOrderArr(0, 23); | 
|             if (rule.indexOf('-') >= 0) { | 
|                 this.dateArr[2] = this.getCycleArr(rule, 24, true) | 
|             } else if (rule.indexOf('/') >= 0) { | 
|                 this.dateArr[2] = this.getAverageArr(rule, 23) | 
|             } else if (rule !== '*') { | 
|                 this.dateArr[2] = this.getAssignArr(rule) | 
|             } | 
|         }, | 
|         // 获取"分"数组 | 
|         getMinArr(rule) { | 
|             this.dateArr[1] = this.getOrderArr(0, 59); | 
|             if (rule.indexOf('-') >= 0) { | 
|                 this.dateArr[1] = this.getCycleArr(rule, 60, true) | 
|             } else if (rule.indexOf('/') >= 0) { | 
|                 this.dateArr[1] = this.getAverageArr(rule, 59) | 
|             } else if (rule !== '*') { | 
|                 this.dateArr[1] = this.getAssignArr(rule) | 
|             } | 
|         }, | 
|         // 获取"秒"数组 | 
|         getSecondArr(rule) { | 
|             this.dateArr[0] = this.getOrderArr(0, 59); | 
|             if (rule.indexOf('-') >= 0) { | 
|                 this.dateArr[0] = this.getCycleArr(rule, 60, true) | 
|             } else if (rule.indexOf('/') >= 0) { | 
|                 this.dateArr[0] = this.getAverageArr(rule, 59) | 
|             } else if (rule !== '*') { | 
|                 this.dateArr[0] = this.getAssignArr(rule) | 
|             } | 
|         }, | 
|         // 根据传进来的min-max返回一个顺序的数组 | 
|         getOrderArr(min, max) { | 
|             let arr = []; | 
|             for (let i = min; i <= max; i++) { | 
|                 arr.push(i); | 
|             } | 
|             return arr; | 
|         }, | 
|         // 根据规则中指定的零散值返回一个数组 | 
|         getAssignArr(rule) { | 
|             let arr = []; | 
|             let assiginArr = rule.split(','); | 
|             for (let i = 0; i < assiginArr.length; i++) { | 
|                 arr[i] = Number(assiginArr[i]) | 
|             } | 
|             arr.sort(this.compare) | 
|             return arr; | 
|         }, | 
|         // 根据一定算术规则计算返回一个数组 | 
|         getAverageArr(rule, limit) { | 
|             let arr = []; | 
|             let agArr = rule.split('/'); | 
|             let min = Number(agArr[0]); | 
|             let step = Number(agArr[1]); | 
|             while (min <= limit) { | 
|                 arr.push(min); | 
|                 min += step; | 
|             } | 
|             return arr; | 
|         }, | 
|         // 根据规则返回一个具有周期性的数组 | 
|         getCycleArr(rule, limit, status) { | 
|             // status--表示是否从0开始(则从1开始) | 
|             let arr = []; | 
|             let cycleArr = rule.split('-'); | 
|             let min = Number(cycleArr[0]); | 
|             let max = Number(cycleArr[1]); | 
|             if (min > max) { | 
|                 max += limit; | 
|             } | 
|             for (let i = min; i <= max; i++) { | 
|                 let add = 0; | 
|                 if (status == false && i % limit == 0) { | 
|                     add = limit; | 
|                 } | 
|                 arr.push(Math.round(i % limit + add)) | 
|             } | 
|             arr.sort(this.compare) | 
|             return arr; | 
|         }, | 
|         // 比较数字大小(用于Array.sort) | 
|         compare(value1, value2) { | 
|             if (value2 - value1 > 0) { | 
|                 return -1; | 
|             } else { | 
|                 return 1; | 
|             } | 
|         }, | 
|         // 格式化日期格式如:2017-9-19 18:04:33 | 
|         formatDate(value, type) { | 
|             // 计算日期相关值 | 
|             let time = typeof value == 'number' ? new Date(value) : value; | 
|             let Y = time.getFullYear(); | 
|             let M = time.getMonth() + 1; | 
|             let D = time.getDate(); | 
|             let h = time.getHours(); | 
|             let m = time.getMinutes(); | 
|             let s = time.getSeconds(); | 
|             let week = time.getDay(); | 
|             // 如果传递了type的话 | 
|             if (type == undefined) { | 
|                 return Y + '-' + (M < 10 ? '0' + M : M) + '-' + (D < 10 ? '0' + D : D) + ' ' + (h < 10 ? '0' + h : h) + ':' + (m < 10 ? '0' + m : m) + ':' + (s < 10 ? '0' + s : s); | 
|             } else if (type == 'week') { | 
|                 // 在quartz中 1为星期日 | 
|                 return week + 1; | 
|             } | 
|         }, | 
|         // 检查日期是否存在 | 
|         checkDate(value) { | 
|             let time = new Date(value); | 
|             let format = this.formatDate(time) | 
|             return value === format; | 
|         } | 
|     }, | 
|     watch: { | 
|         'ex': 'expressionChange' | 
|     }, | 
|     props: ['ex'], | 
|     mounted: function () { | 
|         // 初始化 获取一次结果 | 
|         this.expressionChange(); | 
|     } | 
| } | 
|   | 
| </script> |