vue3cron表达式
引用：
js部分
import cmCron from '../../components/cmCron/index.vue';
const shortcuts= [
{
text: "每天8点和12点 (自定义追加)",
value: "0 0 8,12 * * ?"
}
];
模板部分：
<el-form-item prop="cronExpression" label="cron表达式">
<cm-cron v-model="dataForm.cronExpression" placeholder="请输入Cron定时规则" clearable :shortcuts="shortcuts"></cm-cron>
</el-form-item>
components/cmCron/index.vue内容如下：
<!--
* @Descripttion: cron规则生成器
* @version: 1.0
* @Author:
* @Date: 2021年12月29日15:23:54
* @LastEditors:
* @LastEditTime:
-->
<template>
<el-input v-model="defaultValue" v-bind="$attrs">
<template #append>
<el-dropdown size="medium" @command="handleShortcuts">
<el-button icon="el-icon-arrow-down"></el-button>
<template #dropdown>
<el-dropdown-menu>
<el-dropdown-item command="0 * * * * ?">每分钟</el-dropdown-item>
<el-dropdown-item command="0 0 * * * ?">每小时</el-dropdown-item>
<el-dropdown-item command="0 0 0 * * ?">每天零点</el-dropdown-item>
<el-dropdown-item command="0 0 0 1 * ?">每月一号零点</el-dropdown-item>
<el-dropdown-item command="0 0 0 L * ?">每月最后一天零点</el-dropdown-item>
<el-dropdown-item command="0 0 0 ? * 1">每周星期日零点</el-dropdown-item>
<el-dropdown-item v-for="(item, index) in shortcuts" :key="item.value" :divided="index==0" :command="item.value">{{item.text}}</el-dropdown-item>
<el-dropdown-item icon="el-icon-plus" divided command="custom">自定义</el-dropdown-item>
</el-dropdown-menu>
</template>
</el-dropdown>
</template>
</el-input>
<el-dialog title="cron规则生成器" v-model="dialogVisible" :width="580" destroy-on-close append-to-body>
<div class="sa-cron">
<el-tabs>
<el-tab-pane>
<template #label>
<div class="sa-cron-num">
<h2>秒</h2>
<h4>{{value_second}}</h4>
</div>
</template>
<el-form>
<el-form-item label="类型">
<el-radio-group v-model="value.second.type">
<el-radio-button label="0">任意值</el-radio-button>
<el-radio-button label="1">范围</el-radio-button>
<el-radio-button label="2">间隔</el-radio-button>
<el-radio-button label="3">指定</el-radio-button>
</el-radio-group>
</el-form-item>
<el-form-item label="范围" v-if="value.second.type==1">
<el-input-number v-model="value.second.range.start" :min="0" :max="59" controls-position="right"></el-input-number>
<span style="padding:0 15px;">-</span>
<el-input-number v-model="value.second.range.end" :min="0" :max="59" controls-position="right"></el-input-number>
</el-form-item>
<el-form-item label="间隔" v-if="value.second.type==2">
<el-input-number v-model="value.second.loop.start" :min="0" :max="59" controls-position="right"></el-input-number>
秒开始，每
<el-input-number v-model="value.second.loop.end" :min="0" :max="59" controls-position="right"></el-input-number>
秒执行一次
</el-form-item>
<el-form-item label="指定" v-if="value.second.type==3">
<el-select v-model="value.second.appoint" multiple style="width: 100%;">
<el-option v-for="(item, index) in data.second" :key="index" :label="item" :value="item"></el-option>
</el-select>
</el-form-item>
</el-form>
</el-tab-pane>
<el-tab-pane>
<template #label>
<div class="sa-cron-num">
<h2>分钟</h2>
<h4>{{value_minute}}</h4>
</div>
</template>
<el-form>
<el-form-item label="类型">
<el-radio-group v-model="value.minute.type">
<el-radio-button label="0">任意值</el-radio-button>
<el-radio-button label="1">范围</el-radio-button>
<el-radio-button label="2">间隔</el-radio-button>
<el-radio-button label="3">指定</el-radio-button>
</el-radio-group>
</el-form-item>
<el-form-item label="范围" v-if="value.minute.type==1">
<el-input-number v-model="value.minute.range.start" :min="0" :max="59" controls-position="right"></el-input-number>
<span style="padding:0 15px;">-</span>
<el-input-number v-model="value.minute.range.end" :min="0" :max="59" controls-position="right"></el-input-number>
</el-form-item>
<el-form-item label="间隔" v-if="value.minute.type==2">
<el-input-number v-model="value.minute.loop.start" :min="0" :max="59" controls-position="right"></el-input-number>
分钟开始，每
<el-input-number v-model="value.minute.loop.end" :min="0" :max="59" controls-position="right"></el-input-number>
分钟执行一次
</el-form-item>
<el-form-item label="指定" v-if="value.minute.type==3">
<el-select v-model="value.minute.appoint" multiple style="width: 100%;">
<el-option v-for="(item, index) in data.minute" :key="index" :label="item" :value="item"></el-option>
</el-select>
</el-form-item>
</el-form>
</el-tab-pane>
<el-tab-pane>
<template #label>
<div class="sa-cron-num">
<h2>小时</h2>
<h4>{{value_hour}}</h4>
</div>
</template>
<el-form>
<el-form-item label="类型">
<el-radio-group v-model="value.hour.type">
<el-radio-button label="0">任意值</el-radio-button>
<el-radio-button label="1">范围</el-radio-button>
<el-radio-button label="2">间隔</el-radio-button>
<el-radio-button label="3">指定</el-radio-button>
</el-radio-group>
</el-form-item>
<el-form-item label="范围" v-if="value.hour.type==1">
<el-input-number v-model="value.hour.range.start" :min="0" :max="23" controls-position="right"></el-input-number>
<span style="padding:0 15px;">-</span>
<el-input-number v-model="value.hour.range.end" :min="0" :max="23" controls-position="right"></el-input-number>
</el-form-item>
<el-form-item label="间隔" v-if="value.hour.type==2">
<el-input-number v-model="value.hour.loop.start" :min="0" :max="23" controls-position="right"></el-input-number>
小时开始，每
<el-input-number v-model="value.hour.loop.end" :min="0" :max="23" controls-position="right"></el-input-number>
小时执行一次
</el-form-item>
<el-form-item label="指定" v-if="value.hour.type==3">
<el-select v-model="value.hour.appoint" multiple style="width: 100%;">
<el-option v-for="(item, index) in data.hour" :key="index" :label="item" :value="item"></el-option>
</el-select>
</el-form-item>
</el-form>
</el-tab-pane>
<el-tab-pane>
<template #label>
<div class="sa-cron-num">
<h2>日</h2>
<h4>{{value_day}}</h4>
</div>
</template>
<el-form>
<el-form-item label="类型">
<el-radio-group v-model="value.day.type">
<el-radio-button label="0">任意值</el-radio-button>
<el-radio-button label="1">范围</el-radio-button>
<el-radio-button label="2">间隔</el-radio-button>
<el-radio-button label="3">指定</el-radio-button>
<el-radio-button label="4">本月最后一天</el-radio-button>
<el-radio-button label="5">不指定</el-radio-button>
</el-radio-group>
</el-form-item>
<el-form-item label="范围" v-if="value.day.type==1">
<el-input-number v-model="value.day.range.start" :min="1" :max="31" controls-position="right"></el-input-number>
<span style="padding:0 15px;">-</span>
<el-input-number v-model="value.day.range.end" :min="1" :max="31" controls-position="right"></el-input-number>
</el-form-item>
<el-form-item label="间隔" v-if="value.day.type==2">
<el-input-number v-model="value.day.loop.start" :min="1" :max="31" controls-position="right"></el-input-number>
号开始，每
<el-input-number v-model="value.day.loop.end" :min="1" :max="31" controls-position="right"></el-input-number>
天执行一次
</el-form-item>
<el-form-item label="指定" v-if="value.day.type==3">
<el-select v-model="value.day.appoint" multiple style="width: 100%;">
<el-option v-for="(item, index) in data.day" :key="index" :label="item" :value="item"></el-option>
</el-select>
</el-form-item>
</el-form>
</el-tab-pane>
<el-tab-pane>
<template #label>
<div class="sa-cron-num">
<h2>月</h2>
<h4>{{value_month}}</h4>
</div>
</template>
<el-form>
<el-form-item label="类型">
<el-radio-group v-model="value.month.type">
<el-radio-button label="0">任意值</el-radio-button>
<el-radio-button label="1">范围</el-radio-button>
<el-radio-button label="2">间隔</el-radio-button>
<el-radio-button label="3">指定</el-radio-button>
</el-radio-group>
</el-form-item>
<el-form-item label="范围" v-if="value.month.type==1">
<el-input-number v-model="value.month.range.start" :min="1" :max="12" controls-position="right"></el-input-number>
<span style="padding:0 15px;">-</span>
<el-input-number v-model="value.month.range.end" :min="1" :max="12" controls-position="right"></el-input-number>
</el-form-item>
<el-form-item label="间隔" v-if="value.month.type==2">
<el-input-number v-model="value.month.loop.start" :min="1" :max="12" controls-position="right"></el-input-number>
月开始，每
<el-input-number v-model="value.month.loop.end" :min="1" :max="12" controls-position="right"></el-input-number>
月执行一次
</el-form-item>
<el-form-item label="指定" v-if="value.month.type==3">
<el-select v-model="value.month.appoint" multiple style="width: 100%;">
<el-option v-for="(item, index) in data.month" :key="index" :label="item" :value="item"></el-option>
</el-select>
</el-form-item>
</el-form>
</el-tab-pane>
<el-tab-pane>
<template #label>
<div class="sa-cron-num">
<h2>周</h2>
<h4>{{value_week}}</h4>
</div>
</template>
<el-form>
<el-form>
<el-form-item label="类型">
<el-radio-group v-model="value.week.type">
<el-radio-button label="0">任意值</el-radio-button>
<el-radio-button label="1">范围</el-radio-button>
<el-radio-button label="2">间隔</el-radio-button>
<el-radio-button label="3">指定</el-radio-button>
<el-radio-button label="4">本月最后一周</el-radio-button>
<el-radio-button label="5">不指定</el-radio-button>
</el-radio-group>
</el-form-item>
<el-form-item label="范围" v-if="value.week.type==1">
<el-select v-model="value.week.range.start">
<el-option v-for="(item, index) in data.week" :key="index" :label="item.label" :value="item.value"></el-option>
</el-select>
<span style="padding:0 15px;">-</span>
<el-select v-model="value.week.range.end">
<el-option v-for="(item, index) in data.week" :key="index" :label="item.label" :value="item.value"></el-option>
</el-select>
</el-form-item>
<el-form-item label="间隔" v-if="value.week.type==2">
第
<el-input-number v-model="value.week.loop.start" :min="1" :max="4" controls-position="right"></el-input-number>
周的星期
<el-select v-model="value.week.loop.end">
<el-option v-for="(item, index) in data.week" :key="index" :label="item.label" :value="item.value"></el-option>
</el-select>
执行一次
</el-form-item>
<el-form-item label="指定" v-if="value.week.type==3">
<el-select v-model="value.week.appoint" multiple style="width: 100%;">
<el-option v-for="(item, index) in data.week" :key="index" :label="item.label" :value="item.value"></el-option>
</el-select>
</el-form-item>
<el-form-item label="最后一周" v-if="value.week.type==4">
<el-select v-model="value.week.last">
<el-option v-for="(item, index) in data.week" :key="index" :label="item.label" :value="item.value"></el-option>
</el-select>
</el-form-item>
</el-form>
</el-form>
</el-tab-pane>
<el-tab-pane>
<template #label>
<div class="sa-cron-num">
<h2>年</h2>
<h4>{{value_year}}</h4>
</div>
</template>
<el-form>
<el-form-item label="类型">
<el-radio-group v-model="value.year.type">
<el-radio-button label="-1">忽略</el-radio-button>
<el-radio-button label="0">任意值</el-radio-button>
<el-radio-button label="1">范围</el-radio-button>
<el-radio-button label="2">间隔</el-radio-button>
<el-radio-button label="3">指定</el-radio-button>
</el-radio-group>
</el-form-item>
<el-form-item label="范围" v-if="value.year.type==1">
<el-input-number v-model="value.year.range.start" controls-position="right"></el-input-number>
<span style="padding:0 15px;">-</span>
<el-input-number v-model="value.year.range.end" controls-position="right"></el-input-number>
</el-form-item>
<el-form-item label="间隔" v-if="value.year.type==2">
<el-input-number v-model="value.year.loop.start" controls-position="right"></el-input-number>
年开始，每
<el-input-number v-model="value.year.loop.end" :min="1" controls-position="right"></el-input-number>
年执行一次
</el-form-item>
<el-form-item label="指定" v-if="value.year.type==3">
<el-select v-model="value.year.appoint" multiple style="width: 100%;">
<el-option v-for="(item, index) in data.year" :key="index" :label="item" :value="item"></el-option>
</el-select>
</el-form-item>
</el-form>
</el-tab-pane>
</el-tabs>
</div>
<template #footer>
<el-button @click="dialogVisible=false" >取 消</el-button>
<el-button type="primary" @click="submit()">确 认</el-button>
</template>
</el-dialog>
</template>
<script>
export default {
props: {
modelValue: { type: String, default: "* * * * * ?" },
shortcuts: { type: Array, default: () => [] }
},
data() {
return {
type: '0',
defaultValue: '',
dialogVisible: false,
value:{
second: {
type: '0',
range: {
start: 1,
end: 2
},
loop: {
start: 0,
end: 1
},
appoint: []
},
minute: {
type: '0',
range: {
start: 1,
end: 2
},
loop: {
start: 0,
end: 1
},
appoint: []
},
hour: {
type: '0',
range: {
start: 1,
end: 2
},
loop: {
start: 0,
end: 1
},
appoint: []
},
day: {
type: '0',
range: {
start: 1,
end: 2
},
loop: {
start: 1,
end: 1
},
appoint: []
},
month: {
type: '0',
range: {
start: 1,
end: 2
},
loop: {
start: 1,
end: 1
},
appoint: []
},
week: {
type: '5',
range: {
start: '2',
end: '3'
},
loop: {
start: 0,
end: '2'
},
last: '2',
appoint: []
},
year: {
type: '-1',
range: {
start: this.getYear()[0],
end: this.getYear()[1]
},
loop: {
start: this.getYear()[0],
end: 1
},
appoint: []
}
},
data: {
second: ['0','5','15','20','25','30','35','40','45','50','55','59'],
minute: ['0','5','15','20','25','30','35','40','45','50','55','59'],
hour: ['0','1','2','3','4','5','6','7','8','9','10','11','12','13','14','15','16','17','18','19','20','21','22','23'],
day: ['1','2','3','4','5','6','7','8','9','10','11','12','13','14','15','16','17','18','19','20','21','22','23','24','25','26','27','28','29','30','31'],
month: ['1','2','3','4','5','6','7','8','9','10','11','12'],
week: [
{
value: '1',
label: '周日'
},
{
value: '2',
label: '周一'
},
{
value: '3',
label: '周二'
},
{
value: '4',
label: '周三'
},
{
value: '5',
label: '周四'
},
{
value: '6',
label: '周五'
},
{
value: '7',
label: '周六'
}
],
year: this.getYear()
}
}
},
watch: {
'value.week.type'(val){
if(val != '5'){
this.value.day.type = '5'
}
},
'value.day.type'(val){
if(val != '5'){
this.value.week.type = '5'
}
},
modelValue() {
this.defaultValue = this.modelValue
}
},
computed: {
value_second(){
let v = this.value.second
if(v.type == 0){
return '*'
}else if(v.type==1){
return v.range.start + '-' +v.range.end
}else if(v.type==2){
return v.loop.start + '/' + v.loop.end
}else if(v.type==3){
return v.appoint.length>0 ? v.appoint.join(',') : '*'
}else{
return '*'
}
},
value_minute(){
let v = this.value.minute
if(v.type == 0){
return '*'
}else if(v.type==1){
return v.range.start + '-' +v.range.end
}else if(v.type==2){
return v.loop.start + '/' + v.loop.end
}else if(v.type==3){
return v.appoint.length>0 ? v.appoint.join(',') : '*'
}else{
return '*'
}
},
value_hour(){
let v = this.value.hour
if(v.type == 0){
return '*'
}else if(v.type==1){
return v.range.start + '-' +v.range.end
}else if(v.type==2){
return v.loop.start + '/' + v.loop.end
}else if(v.type==3){
return v.appoint.length>0 ? v.appoint.join(',') : '*'
}else{
return '*'
}
},
value_day(){
let v = this.value.day
if(v.type == 0){
return '*'
}else if(v.type==1){
return v.range.start + '-' +v.range.end
}else if(v.type==2){
return v.loop.start + '/' + v.loop.end
}else if(v.type==3){
return v.appoint.length>0 ? v.appoint.join(',') : '*'
}else if(v.type==4){
return 'L'
}else if(v.type==5){
return '?'
}else{
return '*'
}
},
value_month(){
let v = this.value.month
if(v.type == 0){
return '*'
}else if(v.type==1){
return v.range.start + '-' +v.range.end
}else if(v.type==2){
return v.loop.start + '/' + v.loop.end
}else if(v.type==3){
return v.appoint.length>0 ? v.appoint.join(',') : '*'
}else{
return '*'
}
},
value_week(){
let v = this.value.week
if(v.type == 0){
return '*'
}else if(v.type==1){
return v.range.start + '-' +v.range.end
}else if(v.type==2){
return v.loop.end + '#' + v.loop.start
}else if(v.type==3){
return v.appoint.length>0 ? v.appoint.join(',') : '*'
}else if(v.type==4){
return v.last + 'L'
}else if(v.type==5){
return '?'
}else{
return '*'
}
},
value_year(){
let v = this.value.year
if(v.type == -1){
return ''
}else if(v.type==0){
return '*'
}else if(v.type==1){
return v.range.start + '-' +v.range.end
}else if(v.type==2){
return v.loop.start + '/' + v.loop.end
}else if(v.type==3){
return v.appoint.length>0 ? v.appoint.join(',') : ''
}else{
return ''
}
},
},
mounted() {
this.defaultValue = this.modelValue
},
methods: {
handleShortcuts(command){
if(command == 'custom'){
this.open()
}else{
this.defaultValue = command
this.$emit('update:modelValue', this.defaultValue)
}
},
open(){
this.set()
this.dialogVisible = true
},
set(){
this.defaultValue = this.modelValue
let arr = (this.modelValue || "* * * * * ?").split(" ")
//简单检查
if(arr.length < 6){
this.$message.warning("cron表达式错误，已转换为默认表达式")
arr = "* * * * * ?".split(" ")
}
//秒
if(arr[0]=='*'){
this.value.second.type = '0'
}else if(arr[0].includes('-')){
this.value.second.type = '1'
this.value.second.range.start = Number(arr[0].split("-")[0])
this.value.second.range.end = Number(arr[0].split("-")[1])
}else if(arr[0].includes('/')){
this.value.second.type = '2'
this.value.second.loop.start = Number(arr[0].split("/")[0])
this.value.second.loop.end = Number(arr[0].split("/")[1])
}else{
this.value.second.type = '3'
this.value.second.appoint = arr[0].split(",")
}
//分
if(arr[1]=='*'){
this.value.minute.type = '0'
}else if(arr[1].includes('-')){
this.value.minute.type = '1'
this.value.minute.range.start = Number(arr[1].split("-")[0])
this.value.minute.range.end = Number(arr[1].split("-")[1])
}else if(arr[1].includes('/')){
this.value.minute.type = '2'
this.value.minute.loop.start = Number(arr[1].split("/")[0])
this.value.minute.loop.end = Number(arr[1].split("/")[1])
}else{
this.value.minute.type = '3'
this.value.minute.appoint = arr[1].split(",")
}
//小时
if(arr[2]=='*'){
this.value.hour.type = '0'
}else if(arr[2].includes('-')){
this.value.hour.type = '1'
this.value.hour.range.start = Number(arr[2].split("-")[0])
this.value.hour.range.end = Number(arr[2].split("-")[1])
}else if(arr[2].includes('/')){
this.value.hour.type = '2'
this.value.hour.loop.start = Number(arr[2].split("/")[0])
this.value.hour.loop.end = Number(arr[2].split("/")[1])
}else{
this.value.hour.type = '3'
this.value.hour.appoint = arr[2].split(",")
}
//日
if(arr[3]=='*'){
this.value.day.type = '0'
}else if(arr[3]=='L'){
this.value.day.type = '4'
}else if(arr[3]=='?'){
this.value.day.type = '5'
}else if(arr[3].includes('-')){
this.value.day.type = '1'
this.value.day.range.start = Number(arr[3].split("-")[0])
this.value.day.range.end = Number(arr[3].split("-")[1])
}else if(arr[3].includes('/')){
this.value.day.type = '2'
this.value.day.loop.start = Number(arr[3].split("/")[0])
this.value.day.loop.end = Number(arr[3].split("/")[1])
}else{
this.value.day.type = '3'
this.value.day.appoint = arr[3].split(",")
}
//月
if(arr[4]=='*'){
this.value.month.type = '0'
}else if(arr[4].includes('-')){
this.value.month.type = '1'
this.value.month.range.start = Number(arr[4].split("-")[0])
this.value.month.range.end = Number(arr[4].split("-")[1])
}else if(arr[4].includes('/')){
this.value.month.type = '2'
this.value.month.loop.start = Number(arr[4].split("/")[0])
this.value.month.loop.end = Number(arr[4].split("/")[1])
}else{
this.value.month.type = '3'
this.value.month.appoint = arr[4].split(",")
}
//周
if(arr[5]=='*'){
this.value.week.type = '0'
}else if(arr[5]=='?'){
this.value.week.type = '5'
}else if(arr[5].includes('-')){
this.value.week.type = '1'
this.value.week.range.start = arr[5].split("-")[0]
this.value.week.range.end = arr[5].split("-")[1]
}else if(arr[5].includes('#')){
this.value.week.type = '2'
this.value.week.loop.start = Number(arr[5].split("#")[1])
this.value.week.loop.end = arr[5].split("#")[0]
}else if(arr[5].includes('L')){
this.value.week.type = '4'
this.value.week.last = arr[5].split("L")[0]
}else{
this.value.week.type = '3'
this.value.week.appoint = arr[5].split(",")
}
//年
if(!arr[6]){
this.value.year.type = '-1'
}else if(arr[6]=='*'){
this.value.year.type = '0'
}else if(arr[6].includes('-')){
this.value.year.type = '1'
this.value.year.range.start = Number(arr[6].split("-")[0])
this.value.year.range.end = Number(arr[6].split("-")[1])
}else if(arr[6].includes('/')){
this.value.year.type = '2'
this.value.year.loop.start = Number(arr[6].split("/")[1])
this.value.year.loop.end = Number(arr[6].split("/")[0])
}else{
this.value.year.type = '3'
this.value.year.appoint = arr[6].split(",")
}
},
getYear(){
let v = []
let y = new Date().getFullYear()
for (let i = 0; i < 11; i++) {
v.push(y+i)
}
return v
},
submit(){
let year = this.value_year ? ' '+this.value_year : ''
this.defaultValue = this.value_second + ' ' + this.value_minute + ' ' + this.value_hour + ' ' + this.value_day + ' ' + this.value_month + ' ' + this.value_week + year
this.$emit('update:modelValue', this.defaultValue)
this.dialogVisible = false
}
}
}
</script>
<style scoped>
.sa-cron:deep(.el-tabs__item) {height: auto;line-height: 1;padding:0 7px;vertical-align: bottom;}
.sa-cron-num {text-align: center;margin-bottom: 15px;width: 100%;}
.sa-cron-num h2 {font-size: 12px;margin-bottom: 15px;font-weight: normal;}
.sa-cron-num h4 {display: block;height: 32px;line-height: 30px;width: 100%;font-size: 12px;padding:0 15px;background: var(--el-color-primary-light-9);border-radius:4px;}
.sa-cron:deep(.el-tabs__item.is-active) .sa-cron-num h4 {background: var(--el-color-primary);color: #fff;}
[data-theme='dark'] .sa-cron-num h4 {background: var(--el-color-white);}
</style>
posted on 2024-06-18 15:28 yebinghuai-qq-com 阅读(281) 评论(0) 收藏 举报
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