定时任务支持在线生成cron表达式

ruoyi-ui/src/components/Crontab/mouth.vue

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+<template>
+	<el-form size='small'>
+		<el-form-item>
+			<el-radio v-model='radioValue' :label="1">
+				月，允许的通配符[, - * /]
+			</el-radio>
+		</el-form-item>
+
+		<el-form-item>
+			<el-radio v-model='radioValue' :label="2">
+				周期从
+				<el-input-number v-model='cycle01' :min="1" :max="12" /> -
+				<el-input-number v-model='cycle02' :min="1" :max="12" /> 月
+			</el-radio>
+		</el-form-item>
+
+		<el-form-item>
+			<el-radio v-model='radioValue' :label="3">
+				从
+				<el-input-number v-model='average01' :min="1" :max="12" /> 月开始，每
+				<el-input-number v-model='average02' :min="1" :max="12" /> 月月执行一次
+			</el-radio>
+		</el-form-item>
+
+		<el-form-item>
+			<el-radio v-model='radioValue' :label="4">
+				指定
+				<el-select clearable v-model="checkboxList" placeholder="可多选" multiple style="width:100%">
+					<el-option v-for="item in 12" :key="item" :value="item">{{item}}</el-option>
+				</el-select>
+			</el-radio>
+		</el-form-item>
+	</el-form>
+</template>
+
+<script>
+export default {
+	data() {
+		return {
+			radioValue: 1,
+			cycle01: 1,
+			cycle02: 2,
+			average01: 1,
+			average02: 1,
+			checkboxList: [],
+			checkNum: this.check
+		}
+	},
+	name: 'crontab-mouth',
+	props: ['check', 'cron'],
+	methods: {
+		// 单选按钮值变化时
+		radioChange() {
+			if (this.radioValue === 1) {
+				this.$emit('update', 'mouth', '*');
+				this.$emit('update', 'year', '*');
+			} else {
+				if (this.cron.day === '*') {
+					this.$emit('update', 'day', '0', 'mouth');
+				}
+				if (this.cron.hour === '*') {
+					this.$emit('update', 'hour', '0', 'mouth');
+				}
+				if (this.cron.min === '*') {
+					this.$emit('update', 'min', '0', 'mouth');
+				}
+				if (this.cron.second === '*') {
+					this.$emit('update', 'second', '0', 'mouth');
+				}
+			}
+			switch (this.radioValue) {
+				case 2:
+					this.$emit('update', 'mouth', this.cycle01 + '-' + this.cycle02);
+					break;
+				case 3:
+					this.$emit('update', 'mouth', this.average01 + '/' + this.average02);
+					break;
+				case 4:
+					this.$emit('update', 'mouth', this.checkboxString);
+					break;
+			}
+		},
+		// 周期两个值变化时
+		cycleChange() {
+			if (this.radioValue == '2') {
+				this.$emit('update', 'mouth', this.cycleTotal);
+			}
+		},
+		// 平均两个值变化时
+		averageChange() {
+			if (this.radioValue == '3') {
+				this.$emit('update', 'mouth', this.averageTotal);
+			}
+		},
+		// checkbox值变化时
+		checkboxChange() {
+			if (this.radioValue == '4') {
+				this.$emit('update', 'mouth', this.checkboxString);
+			}
+		}
+	},
+	watch: {
+		"radioValue": "radioChange",
+		'cycleTotal': 'cycleChange',
+		'averageTotal': 'averageChange',
+		'checkboxString': 'checkboxChange'
+	},
+	computed: {
+		// 计算两个周期值
+		cycleTotal: function () {
+			this.cycle01 = this.checkNum(this.cycle01, 1, 12)
+			this.cycle02 = this.checkNum(this.cycle02, 1, 12)
+			return this.cycle01 + '-' + this.cycle02;
+		},
+		// 计算平均用到的值
+		averageTotal: function () {
+			this.average01 = this.checkNum(this.average01, 1, 12)
+			this.average02 = this.checkNum(this.average02, 1, 12)
+			return this.average01 + '/' + this.average02;
+		},
+		// 计算勾选的checkbox值合集
+		checkboxString: function () {
+			let str = this.checkboxList.join();
+			return str == '' ? '*' : str;
+		}
+	}
+}
+</script>