372 lines
10 KiB
Vue
372 lines
10 KiB
Vue
<!-- @format -->
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<template>
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<a-select
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v-bind="getBindValues"
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:options="getOptions"
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:getPopupContainer="(triggerNode) => triggerNode.parentNode"
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@dropdown-visible-change="dropdownHandle"
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@popupScroll="onPopupScroll"
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v-model:value="modelValue"
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@search="onSearch"
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@clear="onClear"
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:filterOption="onFilterOption">
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<template #[item]="data" v-for="item in Object.keys($slots)" :key="item">
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<slot :name="item" v-bind="data || {}"></slot>
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</template>
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</a-select>
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</template>
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<script lang="ts">
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import { computed, defineComponent, nextTick, PropType, ref, unref, watch } from 'vue';
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import { cloneDeep, get, isArray, isEqual, isFunction, isString, isUndefined } from 'lodash-es';
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import { HttpRequestConfig, useApi } from '/nerv-lib/use/use-api';
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type ChangeValue = string | number | undefined | string[] | number[];
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export default defineComponent({
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name: 'NsSelectApi',
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props: {
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api: {
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type: [String, Object, Function] as PropType<string | Function | HttpRequestConfig>,
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required: true,
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},
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value: [String, Object, Array, Number],
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field: String,
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params: {
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type: Object,
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default: () => ({}),
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},
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resultField: {
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type: String,
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default: 'data.data',
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},
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firstOption: {
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type: Object,
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},
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numberToString: {
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type: Boolean,
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default: false,
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},
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immediate: {
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type: Boolean,
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default: false,
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},
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labelField: {
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type: [String, Function],
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default: 'label',
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},
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valueField: {
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type: String,
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default: 'value',
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},
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autoSelectFirst: {
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// 与autoClearValue同时使用，只会执行autoSelectFirst
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type: Boolean,
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default: false,
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},
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autoClearValue: {
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type: Boolean,
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default: false,
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},
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//数据筛选函数
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filterData: {
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type: Function,
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},
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// 开启前端筛选默认label包含
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autoSearch: {
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type: Boolean,
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default: false,
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},
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//后端筛选字段
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filterFiled: {
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type: String,
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},
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//是否开启滚动加载
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scrollLoad: {
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type: Boolean,
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default: false,
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},
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//分页字段
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pageField: {
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type: String,
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default: 'page',
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},
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//第一页
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defaultPage: {
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type: Number,
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default: 0,
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},
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dropdownReload: {
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type: Boolean,
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default: false,
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},
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},
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emits: ['change', 'validateChange'],
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setup(props, { attrs, emit }) {
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const options = ref([]);
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const isLoad = ref(false);
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const changeValue = ref<any>(undefined);
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const filterFiledRef = ref<string | undefined>(undefined);
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let isFirstLoad = !!props.api; // 是否第一次加载
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// eslint-disable-next-line vue/no-setup-props-destructure
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let page = props.defaultPage; //
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let isLoading = false;
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const getBindValues = computed(() => {
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const selectProps: Recordable = {};
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if (props.filterFiled || props.autoSearch) {
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selectProps['showSearch'] = true;
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}
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return {
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...attrs,
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...selectProps,
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};
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});
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/**
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* 设置filterFiled时注册search事件
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*/
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const onSearch = computed(() => {
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if (props.filterFiled) {
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return (input: string) => {
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if (filterFiledRef.value !== input) {
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filterFiledRef.value = input;
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page = props.defaultPage;
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fetch();
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}
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};
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} else {
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return undefined;
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}
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});
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/**
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* 设置filterFiled时注册filterOption事件
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*/
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const onFilterOption = computed(() => {
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if (props.autoSearch) {
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return (input: string, option: any) => {
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return option.label.toLowerCase().indexOf(input.toLowerCase()) >= 0;
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};
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} else {
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return false;
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}
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});
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/**
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* 根据请求得到的data获取options
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*/
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const getOptions = computed(() => {
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const { firstOption, labelField, valueField, numberToString } = props;
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const sourceOptions = [];
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firstOption && sourceOptions.push(firstOption);
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return unref(options).reduce((acc, next: Recordable) => {
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if (isString(next)) {
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//值是字符串类型
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const option = {
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label: next,
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value: next,
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};
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acc.push(option);
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return acc;
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} else {
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const value = get(next, valueField);
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const option = {
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...next,
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label: isFunction(labelField) ? labelField(next) : get(next, labelField as string),
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value: numberToString ? `${value}` : value,
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};
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acc.push(option);
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return acc;
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}
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}, sourceOptions);
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});
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/**
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* 获取数据
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*/
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const fetch = () => {
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console.log('requiredParams', getBindValues.value.checkRequiredParams);
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if (getBindValues.value.checkRequiredParams === false) {
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options.value = [];
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return;
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}
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isLoading = true;
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const requestConfig: HttpRequestConfig = { method: 'get' };
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const {
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api,
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params: _params,
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resultField,
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filterData,
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filterFiled,
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pageField,
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scrollLoad,
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defaultPage,
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} = props;
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const params: Recordable = cloneDeep(_params);
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if (filterFiled && filterFiledRef.value) {
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params[filterFiled] = filterFiledRef.value;
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}
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if (scrollLoad) {
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params[pageField] = page;
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if (page === defaultPage) {
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options.value = [];
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}
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}
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const { httpRequest } = useApi();
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httpRequest({ api, params, requestConfig })
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.then((res: Recordable) => {
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emit('validateChange', { help: undefined });
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if (resultField) {
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let data = get(res, resultField) || [];
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// data = data.splice(Math.floor(Math.random() * 3), Math.floor(Math.random() * 5 + 5));
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if (isFunction(filterData)) {
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data = data.filter(filterData);
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}
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if (scrollLoad) {
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options.value = [...options.value, ...data];
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} else {
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options.value = data;
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}
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}
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isLoad.value = true;
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isLoading = false;
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})
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.catch((error: any) => {
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if (error?.response?.status === 403) {
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emit('validateChange', { help: '暂无权限', validateStatus: 'error' });
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nextTick(() => {
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//清空编辑初始值
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modelValue.value = undefined;
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});
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}
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options.value = [];
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isLoading = false;
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});
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};
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let lastParams: any = undefined;
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/**
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** 延迟获取数据
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*/
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async function dropdownHandle(open: boolean) {
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if (!open) return;
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if ((!props.immediate && !isLoad.value) || props.dropdownReload) {
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await fetch();
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}
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}
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/**
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** 绑定value
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*/
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const modelValue = computed({
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set(value: ChangeValue) {
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if (isEqual(value, changeValue.value)) return;
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changeValue.value = value;
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triggerChange(value);
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},
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get() {
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return changeValue.value;
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},
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});
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/**
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* 传入值需要
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* 前提option已获取到数据
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*/
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watch(
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() => props.value,
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() => {
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if (isLoad.value) {
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modelValue.value = props.value;
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}
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},
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{
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immediate: true,
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},
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);
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watch(
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() => getOptions.value,
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() => {
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const { value, autoSelectFirst, autoClearValue } = props;
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// 首次加载如果有值则选中值
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if (isFirstLoad && !isUndefined(value)) {
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modelValue.value = value;
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} else if (!filterFiledRef.value) {
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if (autoSelectFirst) {
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modelValue.value = getOptions.value[0]?.value;
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} else if (autoClearValue) {
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modelValue.value = undefined;
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}
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}
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isFirstLoad = false;
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},
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);
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/**
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* 重写change ant 初始化数据、删除数据时不触发change
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* @param value
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*/
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function triggerChange(value: ChangeValue) {
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if (isUndefined(value)) {
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emit('change', value, undefined);
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} else if (isArray(value)) {
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const options: Record<string, any>[] = [];
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value.forEach((v) => {
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getOptions.value.forEach((option) => {
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if (option.value === v) {
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options.push(option);
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}
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});
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});
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emit('change', value, options);
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} else {
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let op = {};
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getOptions.value.forEach((option) => {
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if (option.value === value) {
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op = option;
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}
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});
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emit('change', value, op);
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}
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}
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/**
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** 联动 immediate 为是否主动获取数据
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*/
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watch(
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[() => props.params, () => props.api],
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async () => {
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const { params } = props;
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if (!isEqual(lastParams, params)) {
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if (props.immediate || true) {
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//todo 暂时全设为主动获取
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lastParams = cloneDeep(params);
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await fetch();
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}
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isLoad.value = false; // 设置成false 点击下拉才会触发
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}
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},
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{ deep: true, immediate: props.immediate },
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);
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const onPopupScroll = computed(() => {
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if (props.scrollLoad) {
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return (e) => {
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const { scrollHeight, scrollTop, clientHeight } = e.target;
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if (scrollHeight - scrollTop - 80 < clientHeight && !isLoading) {
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page++;
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fetch();
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}
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};
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} else {
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return undefined;
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}
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});
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const onClear = () => {
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filterFiledRef.value = undefined;
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};
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return {
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onPopupScroll,
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dropdownHandle,
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getOptions,
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getBindValues,
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modelValue,
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onSearch,
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onFilterOption,
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onClear,
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};
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},
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});
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</script>
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<style lang="less" scoped></style>
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