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运费模板性能优化。区域选择使用懒加载

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main
jason 3 years ago
parent 855e4d3d02
commit af2fb4bf5f
5 changed files with 157 additions and 44 deletions
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12
src/api/system/area/index.ts
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@ -1,8 +1,16 @@
import request from '@/config/axios'
// 获得地区树
export const getAreaTree = async (id: number) => {
return await request.get({ url: '/system/area/tree?id=' + id })
export const getAreaTree = async () => {
return await request.get({ url: '/system/area/tree' })
}
export const getChildrenArea = async (id: number) => {
return await request.get({ url: '/system/area/getChildrenArea?id=' + id })
}
export const getAreaListByIds = async (data) => {
return await request.post({ url: '/system/area/list', data })
}
// 获得 IP 对应的地区名

14
src/utils/index.ts
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@ -194,3 +194,17 @@ export const convertToInteger = (num: number | string | undefined): number => {
// TODO 分转元后还有小数则四舍五入
return Math.round(parsedNumber * 100)
}
/**
* 元转分
*/
export const yuanToFen = (amount: string | number): number => {
return Math.round(Number(amount) * 100)
}
/**
* 分转元
*/
export const fenToYuan = (amount: string | number): number => {
return Number((Number(amount) / 100).toFixed(2))
}

3
src/utils/tree.ts
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@ -11,7 +11,8 @@ const DEFAULT_CONFIG: TreeHelperConfig = {
export const defaultProps = {
children: 'children',
label: 'name',
value: 'id'
value: 'id',
isLeaf: 'leaf'
}
const getConfig = (config: Partial<TreeHelperConfig>) => Object.assign({}, DEFAULT_CONFIG, config)

169
src/views/mall/trade/delivery/expressTemplate/DeliveryExpressTemplateForm.vue
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@ -21,16 +21,18 @@
<el-table border style="width: 100%" :data="formData.templateCharge">
<el-table-column align="center" label="区域">
<template #default="{ row }">
<!-- @芋艿 TODO 数据多，性能有问题 , 如何解决 -->
<!-- 区域数据太多，用赖加载方式，要不然性能有问题 -->
<el-tree-select
v-model="row.areaId"
:data="areaList"
lazy
:load="loadChargeArea"
:props="defaultProps"
node-key="id"
check-strictly
show-checkbox
check-on-click-node
:render-after-expand="false"
:cache-data="areaCache"
/>
</template>
</el-table-column>
@ -39,7 +41,6 @@
<el-input-number v-model="row.startCount" :min="1" />
</template>
</el-table-column>
<!-- TODO 元转换 分 -->
<el-table-column label="运费(元)" prop="startPrice">
<template #default="{ row }">
<el-input-number v-model="row.startPrice" :min="1" />
@ -73,16 +74,18 @@
<el-table border style="width: 100%" :data="formData.templateFree">
<el-table-column label="区域">
<template #default="{ row }">
<!-- @芋艿 TODO 数据多，性能有问题 , 如何解决 -->
<!-- 区域数据太多，用赖加载方式，要不然性能有问题 -->
<el-tree-select
v-model="row.areaId"
:data="areaList"
lazy
:load="loadFreeArea"
:props="defaultProps"
node-key="id"
check-strictly
show-checkbox
check-on-click-node
:render-after-expand="false"
:cache-data="areaCache"
/>
</template>
</el-table-column>
@ -121,7 +124,9 @@
<script setup lang="ts">
import * as DeliveryExpressTemplateApi from '@/api/mall/trade/delivery/expressTemplate'
import { defaultProps } from '@/utils/tree'
import { getAreaTree } from '@/api/system/area'
import { yuanToFen, fenToYuan } from '@/utils'
import { getChildrenArea, getAreaListByIds } from '@/api/system/area'
import { cloneDeep } from 'lodash-es'
const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗
@ -137,6 +142,7 @@ const formData = ref({
templateCharge: [],
templateFree: []
})
const columnTitleMap = new Map()
const columnTitle = ref({
startCountTitle: '首件',
extraCountTitle: '续件',
@ -148,7 +154,8 @@ const formRules = reactive({
sort: [{ required: true, message: '分类排序不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref
const areaList = ref([]) //区域数据
const areaCache = ref([]) //由于区域节点懒加载，已选区域节点需要缓存展示
// let areaTree: any[]
/** 打开弹窗 */
const open = async (type: string, id?: number) => {
dialogVisible.value = true
@ -160,6 +167,26 @@ const open = async (type: string, id?: number) => {
if (id) {
formLoading.value = true
formData.value = await DeliveryExpressTemplateApi.getDeliveryExpressTemplate(id)
columnTitle.value = columnTitleMap.get(formData.value.chargeMode)
//已选的区域节点
const areaIds = []
formData.value.templateCharge.forEach((item) => {
//不等于全国的节点
if (item.areaId !== 1) {
areaIds.push(item.areaId)
}
//前端价格以元展示
item.startPrice = fenToYuan(item.startPrice)
item.extraPrice = fenToYuan(item.extraPrice)
})
formData.value.templateFree.forEach((item) => {
if (item.areaId !== 1 && !areaIds.includes(item.areaId)) {
areaIds.push(item.areaId)
}
item.freePrice = fenToYuan(item.freePrice)
})
//区域节点，懒加载方式。 已选节点需要缓存展示
areaCache.value = await getAreaListByIds(areaIds)
}
} finally {
formLoading.value = false
@ -178,6 +205,14 @@ const submitForm = async () => {
formLoading.value = true
try {
const data = formData.value as DeliveryExpressTemplateApi.DeliveryExpressTemplateVO
data.templateCharge.forEach((item) => {
//前端价格以元展示，提交到后端。用分计算
item.startPrice = yuanToFen(item.startPrice)
item.extraPrice = yuanToFen(item.extraPrice)
})
data.templateFree.forEach((item) => {
item.freePrice = yuanToFen(item.freePrice)
})
if (formType.value === 'create') {
await DeliveryExpressTemplateApi.createDeliveryExpressTemplate(data)
message.success(t('common.createSuccess'))
@ -210,46 +245,102 @@ const resetForm = () => {
templateFree: [],
sort: 0
}
columnTitle.value = {
columnTitle.value = columnTitleMap.get(1)
formRef.value?.resetFields()
}
/** 配送计费方法改变 */
const changeChargeMode = (chargeMode: number) => {
columnTitle.value = columnTitleMap.get(chargeMode)
}
const defaultArea = [{ id: 1, name: '全国', disabled: false }]
/** 初始化数据 */
const initData = async () => {
// TODO 从服务端全量加载数据， 后面看懒加载是不是可以从前端获取数据。 目前从后端获取数据
// formLoading.value = true
// try {
// const data = await getAreaTree()
// areaTree = data
// console.log('areaTree', areaTree)
// } finally {
// formLoading.value = false
// }
//表头标题和计费方式的映射
columnTitleMap.set(1, {
startCountTitle: '首件',
extraCountTitle: '续件',
freeCountTitle: '包邮件数'
}
formRef.value?.resetFields()
})
columnTitleMap.set(2, {
startCountTitle: '首件重量(kg)',
extraCountTitle: '续件重量(kg)',
freeCountTitle: '包邮重量(kg)'
})
columnTitleMap.set(3, {
startCountTitle: '首件体积(m³)',
extraCountTitle: '续件体积(m³)',
freeCountTitle: '包邮体积(m³)'
})
}
/** 配送计费方法改变 */
const changeChargeMode = (chargeMod: number) => {
if (chargeMod === 1) {
columnTitle.value = {
startCountTitle: '首件',
extraCountTitle: '续件',
freeCountTitle: '包邮件数'
}
}
if (chargeMod === 2) {
columnTitle.value = {
startCountTitle: '首件重量(kg)',
extraCountTitle: '续件重量(kg)',
freeCountTitle: '包邮重量(kg)'
/** 懒加载运费区域树 */
const loadChargeArea = async (node, resolve) => {
const areaIds = []
formData.value.templateCharge.forEach((item) => {
if (item.areaId) {
areaIds.push(item.areaId)
}
}
if (chargeMod === 3) {
columnTitle.value = {
startCountTitle: '首件体积(m³)',
extraCountTitle: '续件体积(m³)',
freeCountTitle: '包邮体积(m³)'
})
if (node.isLeaf) return resolve([])
const length = node.data.length
if (length === 0) {
const data = cloneDeep(defaultArea)
const item = data[0]
if (areaIds.includes(item.id)) {
item.disabled = true
}
resolve(data)
} else {
const id = node.data.id
const data = await getChildrenArea(id)
data.forEach((item) => {
if (areaIds.includes(item.id)) {
item.disabled = true
}
})
resolve(data)
}
}
/** 初始化区域数据 */
const initAreaData = async () => {
formLoading.value = true
try {
const data = await getAreaTree(1)
areaList.value = data
} finally {
formLoading.value = false
/** 懒加载包邮区域树 */
const loadFreeArea = async (node, resolve) => {
if (node.isLeaf) return resolve([])
//已经选择的区域id
const areaIds = []
formData.value.templateFree.forEach((item) => {
if (item.areaId) {
areaIds.push(item.areaId)
}
})
const length = node.data.length
if (length === 0) {
// 为空，从全国开始选择。全国 id == 1
const data = cloneDeep(defaultArea)
const item = data[0]
if (areaIds.includes(item.id)) {
item.disabled = true
}
resolve(data)
} else {
const id = node.data.id
const data = await getChildrenArea(id)
//已选区域需要禁止再次选择
data.forEach((item) => {
if (areaIds.includes(item.id)) {
item.disabled = true
}
})
resolve(data)
}
}
/** 添加计费区域 */
@ -285,6 +376,6 @@ const deleteFreeArea = (index) => {
/** 初始化 **/
onMounted(() => {
initAreaData()
initData()
})
</script>

3
src/views/system/area/index.vue
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@ -57,8 +57,7 @@ const list = ref([])
* 获得数据列表
*/
const getList = async () => {
// id == 1 中国
list.value = await AreaApi.getAreaTree(1)
list.value = await AreaApi.getAreaTree()
}
/** 添加/修改操作 */

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