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gyq
2024-05-23 14:39:33 +08:00
commit a1128dd791
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<template>
<view v-if="vdata.dataList.length > 0">
<view class="bind-title">{{ props.title }}</view>
<view class="layout" >
<scroll-view scroll-y="true" :style="{maxHeight: props.maxH}"
@scrolltoupper="reset" @scrolltolower="refresh"
>
<view v-for="(item, index) in vdata.dataList" :key="index">
<slot :info="item" :index="index"></slot>
</view>
</scroll-view>
</view>
</view>
</template>
<script setup>
import { ref, reactive } from 'vue'
import { onShow , onLoad } from '@dcloudio/uni-app'
const props = defineProps({
title: { type: String, default: '' },
maxH: { type: String, default: '424rpx' }, // 最高高度
pd: { type: String, default: '30rpx 50rpx' },
requestFun: { type: Function, default: () => {} },
params: { type: Object, default: () => ({}) },
flag: { type: Boolean, default: true },
isonshow: { type: Boolean, default: true },
pageSize: { type: Number, default: 10 },
})
const emits = defineEmits(['reset', 'refresh'])
const vdata = reactive({
dataList: [], // 数据列表
})
const listParams = {} // 页面传参对象 getList方法中传的参数
const queryObj = reactive({
pageNumber: 1, // 默认是1
pageSize: props.pageSize, // 默认10条可传参修改
isLoad: false, // 是否为上拉加载
titlePage: '' // 总页数
})
const getList = (listParamObj) => {
// 非下拉刷新才显示加载提示
if (queryObj.isLoad) {
uni.showLoading({ title: '加载中' })
}
// listParamObj 父组件在函数中携带的请求参数与页码页数固定参数合并到一起并且当该参数对象在调用时有具体值会将页码重置为1
let paramObj // 参数合并
if (listParamObj) {
queryObj.pageNumber = 1
Object.keys(listParamObj).forEach((item) => {
listParams[item] = listParamObj[item]
})
vdata.dataList = []
}
paramObj = Object.assign(
{
pageNumber: queryObj.pageNumber,
pageSize: queryObj.pageSize
},
props.params,
listParams
)
props.requestFun(paramObj)
.then(({ bizData }) => {
uni.hideLoading()
queryObj.titlePage = Math.ceil(bizData.total / queryObj.pageSize) // 页码总数
let data = bizData.records ? bizData.records : bizData
// 下拉刷新重置数据, 上拉加载新增数据
if (queryObj.isLoad) {
vdata.dataList.push(...data)
} else {
vdata.dataList = data
}
})
.catch((err) => uni.hideLoading())
}
// 只在onshow时调用一次 请求方法
const onShowGetList = () => {
if (!props.flag) return false
uni.showLoading({ title: '加载中' })
queryObj.pageNumber = 1 // 页码固定为1
let paramObj = Object.assign(
{
// 合并请求参数
pageNumber: 1,
pageSize: queryObj.pageSize
},
props.params
)
props.requestFun(paramObj)
.then(({ bizData }) => {
uni.hideLoading()
queryObj.titlePage = Math.ceil(bizData.total / queryObj.pageSize)
let data = bizData.records ? bizData.records : bizData
vdata.dataList = data // 由于只在onShow 中调用一次,所以数据重新赋值
})
}
onShow(() => {
if (props.isonshow) {
onShowGetList()
}
})
onLoad(() => {
if (!props.isonshow) {
onShowGetList()
}
})
// 下拉刷新
const reset = () => {
queryObj.pageNumber = 1
queryObj.isLoad = false
getList()
}
// 上拉加载
const refresh = () => {
queryObj.pageNumber++
if (queryObj.pageNumber > queryObj.titlePage) {
queryObj.pageNumber = queryObj.pageNumber
return (queryObj.isLoad = false)
}
queryObj.isLoad = true
getList()
}
</script>
<style scoped lang="scss">
.layout {
margin: 30rpx 50rpx;
}
.bind-title {
margin-top: 20rpx;
color: #fff;
text-align: center;
}
</style>