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<template>
<date-picker
:class="['app-date-range', 'app-date-range--' + type]"
:type="rangeType"
:value="realVal"
:placeholder="placeholder"
:disabled="disabled"
transfer
@on-change="onChange"
@on-open-change="onOpenChange"
></date-picker>
</template>
<script lang="ts">
import { Vue, Component, Prop, Watch } from "vue-property-decorator";
@Component({})
export default class AppDateRange extends Vue {
/**
* 是否禁用
*
* @type {string}
* @memberof AppDateRange
*/
@Prop({ default: false }) public disabled?: boolean;
/**
* placeholder
*
* @type {string}
* @memberof AppDateRange
*/
@Prop({ default: "请选择时间" }) public placeholder?: string;
/**
* 日期值格式化
*
* @type {string}
* @memberof AppDateRange
*/
@Prop() public valueFormat?: string;
/**
* 数据类型
*
* @type {string}
* @memberof AppDateRange
*/
@Prop({ default: "datetime" }) public type?: "datetime" | "date";
/**
* 开始属性名称
*
* @type {string}
* @memberof AppDateRange
*/
@Prop() public startField?: string;
/**
* 结束属性名称
*
* @type {string}
* @memberof AppDateRange
*/
@Prop() public endField?: string;
/**
* 传入表单数据
*
* @type {*}
* @memberof AppDateRange
*/
@Prop() public data?: any;
/**
* 实际组件维护的值
*
* @type {*}
* @memberof AppDateRange
*/
public realVal: any[] = [];
/**
* 是否修改过数据
* @type {boolean}
* @memberof AppDateRange
*/
public modified: boolean = false;
/**
* iview组件类型`
*
* @type {string}
* @memberof AppDateRange
*/
get rangeType() {
switch (this.type) {
case "date":
return "daterange";
default:
return "datetimerange";
}
}
/**
* 生命周期
*
* @type {string}
* @memberof AppDateRange
*/
created() {
if (!this.startField) {
this.$Notice.error({
title: this.$t("app.commonWords.wrong") as string,
desc: "没有配置开始属性",
});
}
if (!this.endField) {
this.$Notice.error({
title: this.$t("app.commonWords.wrong") as string,
desc: "没有配置结束属性",
});
}
}
/**
* 监控表单属性 data 值
*
* @memberof AppDateRange
*/
@Watch("data", { deep: true, immediate: true })
onDataChange(newVal: any, oldVal: any) {
if (newVal && this.startField && this.endField) {
this.realVal = [newVal[this.startField], newVal[this.endField]];
this.modified = false;
console.log(this.realVal);
}
}
/**
* iview组件值变更事件（只更新realVal,不抛出）
*
* @memberof AppDateRange
*/
onChange(values: any[]) {
this.realVal = values;
this.modified = true;
if(values[0]==='' && values[1] === ''){
//清空的情况，直接抛值，openChange会先触发，或不触发。
this.$emit("change", this.startField!, null);
this.$emit("change", this.endField!, null);
}
}
/**
* iview组件值关闭事件（如果数据有变更，则抛出change事件）
*
* @memberof AppDateRange
*/
onOpenChange(isOpen: boolean) {
if (!isOpen && this.modified) {
const [start, end] = this.realVal;
this.$emit("change", this.startField!, start);
this.$emit("change", this.endField!, end);
}
}
}
</script>
<style lang="scss">
@import "./app-date-range.scss";
</style>