218 lines
6.6 KiB
Vue
218 lines
6.6 KiB
Vue
<!--
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* SelectTable 下拉表格组件
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* @author: w
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* @since: 2025-9-28
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* SelectTable.vue
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*
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* 属性(带有[Required]为必填属性)
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* data[Required]: 双向绑定数据
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* fields[Required]: 表格列对象
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* tableData[Required]: 表格数据对象
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* value: 双向绑定数据的值(为空时data属性为表格当前行数据对象)
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* label: 选择框显示的文本内容(为空时分别查看value和objKey是否为空,若value和objKey都有值,则value优先级大于objKey)
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* objKey: 对象key(绑定值的唯一标识，绑定值为对象时必填)
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* placeholder: 选择框占位文本
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* size: 组件大小
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* border: 表格是否带有边框
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-->
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<template>
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<div>
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<el-select ref="selectTable" v-model="selectShowValue" :placeholder="props.placeholder" :size="props.size"
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:style="{ width: props.width }" @visible-change="visibleChange" @clear="clearHandle" clearable>
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<template #empty>
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<div class="select-table-dropdown">
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<div style="text-align: left;">
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<el-input v-model="searchKey" ref="searchInput" size="small" placeholder="快速搜索(支持简拼)" class="mb10" clearable
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@clear="filterDataHandle" @input="filterDataHandle" />
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</div>
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<!-- 数据为空时显示空状态提示 -->
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<el-empty v-if="filterData.length === 0" description="没有匹配的数据" :image-size="100" />
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<!-- 数据存在时显示表格 -->
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<el-table ref="tableRef" v-else :data="filterData" :highlight-current-row="props.isHighlight"
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style="width: 100%" :border="props.border" @row-click="handleRowChange" max-height="350px">
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<el-table-column v-for="field in props.fields" :prop="field.prop" :label="field.label" :width="field.width"
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:show-overflow-tooltip="field.showTooltip" align="center" />
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</el-table>
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</div>
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</template>
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</el-select>
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</div>
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</template>
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<script setup lang="ts">
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import { reactive, ref, onMounted, watch, nextTick } from "vue";
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// @ts-ignore
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import { getFirstLetter } from '@/api/pinyin.js';
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import { ElEmpty } from 'element-plus';
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interface Field {
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prop: string;
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label: string;
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width: number;
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showTooltip?: boolean;
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enablePinyinSearch?: boolean; //是否参与拼音搜索
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}
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interface Props {
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data: any;
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fields: Field[];
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tableData: object[];
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label?: string;
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value?: string;
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objKey?: string;
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isHighlight?: boolean;
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size?: string;
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placeholder?: string;
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border?: boolean;
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width?: string | number;
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}
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const props = withDefaults(defineProps<Props>(), {
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placeholder: "请选择",
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size: "default",
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isHighlight: true,
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value: undefined,
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label: undefined,
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border: false,
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width: "100%",
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});
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interface Emits {
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(e: "update:data", val: any): void;
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(e: "getDataValue", val: any): void;
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}
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const emits = defineEmits<Emits>();
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const searchKey = ref('');
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const tableRef = ref();
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const selectTable = ref();
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const selectShowValue = ref('');
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const searchInput = ref();
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const filterData = ref<{ [key: string]: any; pinyinMap: Record<string, string> }[]>([]);
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// 存储预处理后的带拼音数据
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const processedTableData = ref<{ [key: string]: any; pinyinMap: Record<string, string> }[]>([]);
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// 预处理数据：生成拼音信息
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const processTableData = (data: object[]) => {
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return data.map((item: any) => {
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const pinyinMap: Record<string, string> = {};
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// 处理label字段拼音
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if (item[props.label!]) {
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pinyinMap.label = getFirstLetter(item[props.label!]).toLowerCase();
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}
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// 处理value字段拼音
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if (props.value && item[props.value]) {
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pinyinMap.value = getFirstLetter(String(item[props.value])).toLowerCase();
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}
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// 处理其他指定字段拼音
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props.fields.forEach(field => {
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if (field.enablePinyinSearch && item[field.prop]) {
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pinyinMap[field.prop] = getFirstLetter(item[field.prop]).toLowerCase();
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}
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});
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return { ...item, pinyinMap };
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});
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};
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// 隐藏显示处理
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const visibleChange = (val: any) => {
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searchKey.value = '';
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if (val) {
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nextTick(() => {
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searchInput.value.focus();
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});
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}
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filterDataHandle()
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};
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// 初始化数据
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onMounted(() => {
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processedTableData.value = processTableData(props.tableData);
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filterData.value = [...processedTableData.value];
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});
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// 监听表格数据变化，重新处理
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watch(() => props.tableData, (newVal) => {
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processedTableData.value = processTableData(newVal);
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// 数据回显
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handleDataEcho();
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}, { deep: true });
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// 数据回显处理
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const handleDataEcho = () => {
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if (props.data === null || props.data === undefined) return;
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// 查找匹配的行数据
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const row: any = props.tableData.find((item: any) => props.objKey && item[props.objKey] === props.data)
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selectShowValue.value = row ? (props.label ? row[props.label] : (props.value ? row[props.value] : '')) : '';
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};
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// 搜索过滤逻辑
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const filterDataHandle = () => {
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const key = searchKey.value.trim().toLowerCase();
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if (!key) {
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// 空搜索时显示全部预处理数据
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filterData.value = [...processedTableData.value];
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return;
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}
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filterData.value = processedTableData.value.filter((item: any) => {
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// 1. 原文本匹配
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const matchLabel = props.label && item[props.label]?.toString().toLowerCase().includes(key);
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const matchValue = props.value && item[props.value]?.toString().toLowerCase().includes(key);
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// 2. 拼音匹配
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const matchLabelPinyin = props.label && item.pinyinMap.label?.includes(key);
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const matchValuePinyin = props.value && item.pinyinMap.value?.includes(key);
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// 3. 其他字段匹配
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let matchOtherField = false;
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props.fields.forEach(field => {
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if (field.enablePinyinSearch) {
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const textMatch = item[field.prop]?.toString().toLowerCase().includes(key);
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const pinyinMatch = item.pinyinMap[field.prop]?.includes(key);
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if (textMatch || pinyinMatch) {
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matchOtherField = true;
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}
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}
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});
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return matchLabel || matchValue || matchLabelPinyin || matchValuePinyin || matchOtherField;
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});
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};
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const handleRowChange = (val: any) => {
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setLabel(val);
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emits("update:data", props.value ? val[props.value] : val);
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};
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const setLabel = (val: any) => {
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if (props.label) {
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selectShowValue.value = val[props.label];
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} else if (props.value) {
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selectShowValue.value = val[props.value];
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}
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if (props.objKey) {
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emits('getDataValue', val[props.objKey]);
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}
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selectTable.value.blur();
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};
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// 清空值
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const clearHandle = () => {
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selectShowValue.value = '';
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emits("update:data", null);
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emits('getDataValue', null);
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};
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</script>
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<style scoped>
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.select-table-dropdown {
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padding: 8px;
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}
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:deep(.el-table .el-table__cell) {
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padding: 0;
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}
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</style> |