前言
开发后台管理系统,会接触到很多表格和表单,一但表格表单多起来,仅仅只需要一小部分改变,都需要在中重写一大堆代码,许多重复逻辑,我们可以把重复逻辑抽离
出来二次封装一个组件
使用,减少在开发中需要编写的代码。
每个项目或业务都有自己的特点和需求,可能需要特定的样式、交互行为或功能。通过定制化组件,可以根据具体需求进行定制提高复用性
,使得组件更符合业务场景,而且定制化可以使组件更加贴近实际业务需求。
vue3中插槽slot与template
v-bind的使用
v-bind=“$attrs”
el-table的基本属性
这是一个el-plus基础表格
//Hytable.vue
<template>
<el-table :data="tableData" style="width: 100%">
<el-table-column prop="date" label="Date" width="180" />
<el-table-column prop="name" label="Name" width="180" />
<el-table-column prop="address" label="Address" />
</el-table>
</template>
<script lang="ts" setup>
const tableData = [
{
date: '2016-05-03',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
{
date: '2016-05-02',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
{
date: '2016-05-04',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
{
date: '2016-05-01',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
]
</script>
//HyTable.vue
我们先来看下table-column的属性
这里我们可以用\来包裹el-table-column组件再用v-for来遍历
为什么要使用来包裹,因为等下需要根据列配置用v-if判断el-table-column是否存在列配置type或prop属性,父组件需要传递列配置。
//HyTable.vue
{{ scope.row[item.prop] }}
{{ scope.row[item.prop] }}
暂无数据
让我们来使用一波
//父组件
{{scope.row}}
{{ scope.row.gender}}
查看
编辑
删除
来看实现效果
// Hytable.vue
<template>
...
<el-table-column v-if="!item.type && item.prop" v-bind="item" :align="'center'" show-overflow-tooltip="showOverflowTooltip">
<template #default="scope">
<slot :name="item.prop" v-bind="scope" :row="scope.row">
{{ scope.row[item.prop] }}
</slot>
</template>
</el-table-column>
...
<slot name="pagination" v-if="pagination">
<el-pagination
:background="true"
:current-page="pageable.pageNum"
:page-size="pageable.pageSize"
:page-sizes="[10, 25, 50, 100]"
:total="pageable.total"
layout="total, sizes, prev, pager, next, jumper"
@size-change="handleSizeChange"
@current-change="handleCurrentChange"
>
</el-pagination>
</slot>
</template>
<script setup lang="ts">
import { onMounted, ref } from "vue";
import {requestTableData} from "../../api/index.ts"
import { reactive } from "vue";
import { toRefs } from "vue";
import { computed } from "vue";
interface TableProps{
columns: any,
requestApi?: (params?: any) => Promise<any>;
pagination?: boolean,
showOverflowTooltip?: boolean;
}
const props = withDefaults(defineProps<TableProps>(), {
columns: [],
requestApi: requestTableData,
pagination: true,
showOverflowTooltip:true,
});
const columnData = ref(props.columns);
// let tableData= ref([])
onMounted(() => {
getTableList(props.requestApi)
})
const handlePage:()=>any = ()=>{
const state = reactive({
tableData: [],
pageable: {
pageNum:1,
pageSize:10,
total: 0,
}
})
const getTableList = async (api:any) => {
let { data } = await api();
state.tableData = data
state.pageable.total = data.length
};
const handleSizeChange = (val:any) => {
state.pageable.pageNum = 1;
state.pageable.pageSize = val;
getTableList(props.requestApi)
}
const handleCurrentChange = (val: any) => {
state.pageable.pageNum = val;
getTableList(props.requestApi)
}
// pageable.total = data
return{
...toRefs(state),
getTableList,
handleSizeChange,
handleCurrentChange,
}
}
const {tableData,pageable,handleSizeChange,handleCurrentChange,getTableList} = handlePage()
const processTableData = computed(() => {
if (!props.pagination) return tableData.value
return tableData.value.slice(
pageable.value.pageNum - 1) * pageable.value.pageSize,
pageable.value.pageSize * pageable.value.pageNum
)
})
</script>
看看效果
额。。。还有很多可以加的比如增删改查、查询表单慢慢更新吧