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+<template>
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+ <el-select
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+ popper-class="custom_select"
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+ v-model="valueId"
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+ :placeholder="placeholder"
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+ class="width100"
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+ :clearable="clearable"
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+ :collapse-tags-tooltip="collapseTags ? collapseTagsTooltip : false"
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+ :collapse-tags="collapseTags"
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+ :disabled="disabled"
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+ :multiple="multiple"
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+ :allow-create="allowCreate"
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+ :filterable="allowCreate || filterable"
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+ @change="change"
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+ >
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+ <el-option
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+ v-for="item in list"
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+ :key="item.value"
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+ :label="item.label"
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+ :value="item.value"
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+ ></el-option>
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+ </el-select>
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+</template>
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+
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+<script>
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+import { getDicts } from '@/api/system/dict/data';
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+
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+export default {
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+ name: 'DictSelect',
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+ props: {
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+ value: {
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+ default: '',
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+ type: [String, Number, Array],
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+ },
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+ // 支持只传入 dictName 或者直接传入 dictOptions(数组)
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+ dictName: {
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+ default: '',
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+ type: String,
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+ },
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+ dictOptions: {
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+ default: () => [],
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+ type: Array,
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+ },
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+ multiple: {
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+ default: false,
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+ type: Boolean,
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+ },
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+ disabled: {
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+ default: false,
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+ type: Boolean,
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+ },
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+ allowCreate: {
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+ default: false,
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+ type: Boolean,
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+ },
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+ filterable: {
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+ default: false,
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+ type: Boolean,
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+ },
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+ clearable: {
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+ default: true,
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+ type: Boolean,
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+ },
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+ placeholder: {
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+ default: '请选择',
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+ type: String,
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+ },
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+ // 多选模式下是否折叠Tag
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+ collapseTags: {
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+ default: false,
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+ type: Boolean,
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+ },
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+ // collapseTags为true时, 当鼠标悬停于折叠标签的文本时,是否显示所有选中的标签
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+ collapseTagsTooltip: {
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+ default: true,
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+ type: Boolean,
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+ },
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+ },
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+ data() {
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+ return {
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+ list: [],
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+ loading: false,
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+ };
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+ },
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+ computed: {
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+ valueId: {
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+ get() {
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+ return this.value;
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+ },
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+ set(val) {
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+ this.$emit('input', val); // Vue 2 使用 v-model 时,触发的是 input 事件
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+ },
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+ },
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+ },
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+ created() {
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+ this.getList();
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+ },
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+ methods: {
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+ change(e) {
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+ this.$emit('change', e);
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+ },
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+ getList() {
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+ // 优先使用 dictOptions
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+ if (this.dictOptions && this.dictOptions.length > 0) {
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+ // 深拷贝一份数据,避免直接修改 props
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+ this.list = JSON.parse(JSON.stringify(this.dictOptions));
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+ return;
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+ }
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+
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+ // 如果没有 dictOptions,则从 dictName 获取
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+ if (this.dictName) {
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+ this.loading = true;
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+ getDicts(this.dictName).then((resp) => {
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+ if (resp.code === 200) {
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+ // 确保数据格式正确
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+ this.list = resp.data.map((p) => ({
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+ label: p.dictLabel || p.label,
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+ value: p.dictValue !== undefined ? p.dictValue : p.value,
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+ elTagType: p.listClass,
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+ }));
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+ }
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+ }).finally(() => {
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+ this.loading = false;
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+ });
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+ } else {
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+ this.list = [];
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+ }
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+ },
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+ },
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+ watch: {
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+ dictName: {
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+ handler(newVal, oldVal) {
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+ // 只有当 dictName 真正改变时才重新获取数据
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+ if (newVal !== oldVal) {
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+ this.getList();
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+ }
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+ },
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+ immediate: true,
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+ },
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+ dictOptions: {
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+ handler(newVal) {
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+ // 深度监听 dictOptions 的变化
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+ if (newVal && newVal.length > 0) {
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+ this.list = JSON.parse(JSON.stringify(newVal));
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+ } else if (this.dictName) {
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+ // 如果 dictOptions 为空但有 dictName,则从字典获取数据
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+ this.getList();
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+ } else {
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+ this.list = [];
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+ }
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+ },
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+ deep: true,
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+ },
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+ },
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+};
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+</script>
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+
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+<style></style>
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