layui/src/component/table/index.vue
2022-03-26 16:04:12 +08:00

346 lines
10 KiB
Vue

<script lang="ts">
export default {
name: "LayTable",
};
</script>
<script setup lang="ts">
import * as XLSX from "xlsx";
import { ref, watch, useSlots, withDefaults, onMounted } from "vue";
import { v4 as uuidv4 } from "../../utils/guidUtil";
import { Recordable } from "../../types";
import LayCheckbox from "../checkbox";
import LayDropdown from "../dropdown";
import LayPage from "../page";
import LayIcon from "../icon";
import "./index.less";
const tableId = uuidv4();
export interface LayTableProps {
id?: string;
skin?: string;
size?: string;
page?: Recordable;
checkbox?: boolean;
columns: Recordable[];
dataSource: Recordable[];
defaultToolbar?: boolean;
selectedKeys?: Recordable[];
}
const props = withDefaults(defineProps<LayTableProps>(), {
id: "id",
size: "md",
dataSource: () => [],
selectedKeys: () => [],
});
const emit = defineEmits([
"row",
"change",
"row-double",
"update:selectedKeys",
]);
const slot = useSlots();
const slots = slot.default && slot.default();
const allChecked = ref(false);
const tableDataSource = ref([...props.dataSource]);
const tableSelectedKeys = ref([...props.selectedKeys]);
const tableColumns = ref([...props.columns]);
const tableColumnKeys = ref(
props.columns.map((item: any) => {
return item.key;
})
);
watch(
() => props.dataSource,
() => {
tableDataSource.value = [...props.dataSource];
}
);
const changeAll = function (checked: any) {
const ids = props.dataSource.map((item: any) => {
return item[props.id];
});
tableSelectedKeys.value.splice(0, ids.length);
if (checked) {
ids.forEach((id) => {
tableSelectedKeys.value.push(id);
});
}
emit("update:selectedKeys", tableSelectedKeys.value);
};
watch(
tableSelectedKeys,
function () {
if (tableSelectedKeys.value.length === props.dataSource.length) {
allChecked.value = true;
} else {
allChecked.value = false;
}
emit("update:selectedKeys", tableSelectedKeys.value);
},
{ deep: true }
);
const change = function (page: any) {
emit("change", page);
};
const rowClick = function (data: any) {
emit("row", data);
};
const rowDoubleClick = function (data: any) {
emit("row-double", data);
};
// 打印 table 数据
const print = function () {
let subOutputRankPrint = document.getElementById(tableId) as HTMLElement;
let newContent = subOutputRankPrint.innerHTML;
let oldContent = document.body.innerHTML;
document.body.innerHTML = newContent;
window.print();
window.location.reload();
document.body.innerHTML = oldContent;
};
// 导出 table 数据
const exportData = () => {
const wb = XLSX.utils.book_new();
let arr: any[] = [];
props.dataSource.forEach((item) => {
let obj = {};
tableColumns.value.forEach((tableColumn) => {
// @ts-ignore
Object.keys(item).forEach((name) => {
if (tableColumn.key === name) {
// @ts-ignore
obj[tableColumn.title] = item[name];
}
});
});
arr.push(obj);
});
const ws = XLSX.utils.json_to_sheet(arr);
XLSX.utils.book_append_sheet(wb, ws, "sheet");
XLSX.writeFile(wb, "export.xls", {
bookType: "xls",
});
return;
};
const sortTable = (e: any, key: string, sort: string) => {
// 当前排序
let currentSort = e.target.parentNode.getAttribute("lay-sort");
// 点击排序
if (sort === "desc") {
if (currentSort === sort) {
// 取消排序
e.target.parentNode.setAttribute("lay-sort", "");
tableDataSource.value = [...props.dataSource];
} else {
// 进行 desc 排序
e.target.parentNode.setAttribute("lay-sort", "desc");
tableDataSource.value.sort((x, y) => {
if (x[key] < y[key]) return 1;
else if (x[key] > y[key]) return -1;
else return 0;
});
}
} else {
if (currentSort === sort) {
// 取消排序
e.target.parentNode.setAttribute("lay-sort", "");
tableDataSource.value = [...props.dataSource];
} else {
// 进行 asc 排序
e.target.parentNode.setAttribute("lay-sort", "asc");
tableDataSource.value.sort((x, y) => {
if (x[key] < y[key]) return -1;
else if (x[key] > y[key]) return 1;
else return 0;
});
}
}
};
let tableHeader = ref<HTMLElement | null>(null);
let tableBody = ref<HTMLElement | null>(null);
// 拖动监听
onMounted(() => {
tableBody.value?.addEventListener("scroll", () => {
tableHeader.value!.scrollLeft = tableBody.value?.scrollLeft || 0;
});
});
</script>
<template>
<div :id="tableId">
<table class="layui-hide" lay-filter="test"></table>
<div class="layui-form layui-border-box layui-table-view">
<div v-if="defaultToolbar || slot.toolbar" class="layui-table-tool">
<div v-if="slot.toolbar" class="layui-table-tool-temp">
<slot name="toolbar"></slot>
</div>
<div v-if="defaultToolbar" class="layui-table-tool-self">
<LayDropdown>
<div class="layui-inline" title="筛选列" lay-event="LAYTABLE_PRINT">
<i class="layui-icon layui-icon-cols"></i>
</div>
<template #content>
<div style="padding: 10px">
<LayCheckbox
v-for="column in columns"
:key="column"
v-model="tableColumnKeys"
skin="primary"
:label="column.key"
>{{ column.title }}</LayCheckbox
>
</div>
</template>
</LayDropdown>
<div
class="layui-inline"
title="导出"
lay-event="LAYTABLE_PRINT"
@click="exportData()"
>
<i class="layui-icon layui-icon-export"></i>
</div>
<div
class="layui-inline"
title="打印"
lay-event="LAYTABLE_PRINT"
@click="print()"
>
<i class="layui-icon layui-icon-print"></i>
</div>
</div>
</div>
<div class="layui-table-box">
<!-- table header -->
<div class="layui-table-header" ref="tableHeader">
<table class="layui-table" :lay-size="size">
<thead>
<tr>
<th v-if="checkbox" class="layui-table-col-special">
<div class="layui-table-cell laytable-cell-checkbox">
<LayCheckbox
v-model="allChecked"
skin="primary"
label="all"
@change="changeAll"
/>
</div>
</th>
<template v-for="column in columns" :key="column">
<th v-if="tableColumnKeys.includes(column.key)">
<!-- TODO Table header slot -->
<div
class="layui-table-cell"
:style="{ width: column.width }"
>
<span>{{ column.title }}</span>
<span
v-if="column.sort"
class="layui-table-sort layui-inline"
lay-sort=""
>
<i
@click.stop="sortTable($event, column.key, 'asc')"
class="layui-edge layui-table-sort-asc"
title="升序"
></i>
<i
@click.stop="sortTable($event, column.key, 'desc')"
class="layui-edge layui-table-sort-desc"
title="降序"
></i>
</span>
</div>
</th>
</template>
</tr>
</thead>
</table>
</div>
<!-- table body -->
<div class="layui-table-body layui-table-main" ref="tableBody">
<table class="layui-table" :lay-size="size">
<tbody>
<template v-for="data in tableDataSource" :key="data">
<tr
@click.stop="rowClick(data)"
@dblclick.stop="rowDoubleClick(data)"
>
<!-- 复选框 -->
<td v-if="checkbox" class="layui-table-col-special">
<div class="layui-table-cell laytable-cell-checkbox">
<LayCheckbox
v-model="tableSelectedKeys"
skin="primary"
:label="data[id]"
/>
</div>
</td>
<!-- 数据列 -->
<template v-for="column in columns" :key="column">
<template v-if="tableColumnKeys.includes(column.key)">
<!-- 插 槽 Column -->
<template v-if="column.customSlot">
<td class="layui-table-cell">
<div :style="{ width: column.width }">
<slot :name="column.customSlot" :data="data"></slot>
</div>
</td>
</template>
<!-- Column -->
<template
v-else
v-for="(value, key) in data"
:key="value"
>
<td v-if="column.key == key" class="layui-table-cell">
<div :style="{ width: column.width }">
<span> {{ value }} </span>
</div>
</td>
</template>
</template>
</template>
</tr>
</template>
</tbody>
</table>
</div>
</div>
<div v-if="page" class="layui-table-page">
<LayPage
:total="page.total"
:limit="page.limit"
v-model="page.current"
show-page
show-limit
show-skip
@jump="change"
>
<template #prev><LayIcon type="layui-icon-left" /></template>
<template #next><LayIcon type="layui-icon-right" /></template>
</LayPage>
</div>
</div>
</div>
</template>