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@ -10,30 +10,47 @@ import { objectOmit } from '@vueuse/core';
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type OptionsItem = {
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[name: string]: any;
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children?: OptionsItem[];
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disabled?: boolean;
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label?: string;
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value?: string;
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};
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interface Props {
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// 组件
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/** 组件 */
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component: VNode;
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/** 是否将value从数字转为string */
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numberToString?: boolean;
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/** 获取options数据的函数 */
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api?: (arg?: any) => Promise<OptionsItem[] | Record<string, any>>;
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/** 传递给api的参数 */
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params?: Record<string, any>;
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/** 从api返回的结果中提取options数组的字段名 */
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resultField?: string;
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/** label字段名 */
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labelField?: string;
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/** children字段名,需要层级数据的组件可用 */
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childrenField?: string;
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/** value字段名 */
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valueField?: string;
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/** 组件接收options数据的属性名 */
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optionsPropName?: string;
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/** 是否立即调用api */
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immediate?: boolean;
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/** 每次`visibleEvent`事件发生时都重新请求数据 */
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alwaysLoad?: boolean;
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/** 在api请求之前的回调函数 */
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beforeFetch?: AnyPromiseFunction<any, any>;
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/** 在api请求之后的回调函数 */
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afterFetch?: AnyPromiseFunction<any, any>;
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/** 直接传入选项数据,也作为api返回空数据时的后备数据 */
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options?: OptionsItem[];
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// 尾部插槽
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/** 组件的插槽名称,用来显示一个"加载中"的图标 */
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loadingSlot?: string;
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// 可见时触发的事件名
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/** 触发api请求的事件名 */
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visibleEvent?: string;
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modelField?: string;
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/** 组件的v-model属性名,默认为modelValue。部分组件可能为value */
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modelPropName?: string;
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}
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defineOptions({ name: 'ApiSelect', inheritAttrs: false });
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@ -41,6 +58,8 @@ defineOptions({ name: 'ApiSelect', inheritAttrs: false });
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const props = withDefaults(defineProps<Props>(), {
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labelField: 'label',
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valueField: 'value',
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childrenField: '',
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optionsPropName: 'options',
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resultField: '',
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visibleEvent: '',
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numberToString: false,
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@ -50,7 +69,7 @@ const props = withDefaults(defineProps<Props>(), {
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loadingSlot: '',
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beforeFetch: undefined,
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afterFetch: undefined,
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modelField: 'modelValue',
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modelPropName: 'modelValue',
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api: undefined,
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options: () => [],
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});
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@ -69,29 +88,34 @@ const loading = ref(false);
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const isFirstLoaded = ref(false);
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const getOptions = computed(() => {
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const { labelField, valueField, numberToString } = props;
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const { labelField, valueField, childrenField, numberToString } = props;
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const data: OptionsItem[] = [];
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const refOptionsData = unref(refOptions);
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for (const next of refOptionsData) {
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if (next) {
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const value = get(next, valueField);
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data.push({
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...objectOmit(next, [labelField, valueField]),
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label: get(next, labelField),
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function transformData(data: OptionsItem[]): OptionsItem[] {
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return data.map((item) => {
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const value = get(item, valueField);
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return {
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...objectOmit(item, [labelField, valueField, childrenField]),
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label: get(item, labelField),
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value: numberToString ? `${value}` : value,
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});
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}
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...(childrenField && item[childrenField]
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? { children: transformData(item[childrenField]) }
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: {}),
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};
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});
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}
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const data: OptionsItem[] = transformData(refOptionsData);
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return data.length > 0 ? data : props.options;
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});
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const bindProps = computed(() => {
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return {
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[props.modelField]: unref(modelValue),
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[`onUpdate:${props.modelField}`]: (val: string) => {
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[props.modelPropName]: unref(modelValue),
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[props.optionsPropName]: unref(getOptions),
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[`onUpdate:${props.modelPropName}`]: (val: string) => {
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modelValue.value = val;
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},
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...objectOmit(attrs, ['onUpdate:value']),
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@ -168,7 +192,6 @@ function emitChange() {
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<component
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:is="component"
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v-bind="bindProps"
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:options="getOptions"
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:placeholder="$attrs.placeholder"
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>
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<template v-for="item in Object.keys($slots)" #[item]="data">
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