|
|
@@ -0,0 +1,83 @@
|
|
|
1
|
+import { ref } from 'vue'
|
|
|
2
|
+import { onPageScroll, onReachBottom } from '@dcloudio/uni-app'
|
|
|
3
|
+import useMescroll from '@/uni_modules/mescroll-uni/hooks/useMescroll.js'
|
|
|
4
|
+
|
|
|
5
|
+interface UseListLoaderOptions {
|
|
|
6
|
+ apiFn: (params: EmptyObjectType, ...args: any[]) => Promise<any>
|
|
|
7
|
+ initialParams?: EmptyObjectType
|
|
|
8
|
+ getApiParams?: () => any[]
|
|
|
9
|
+}
|
|
|
10
|
+
|
|
|
11
|
+interface UseListLoaderReturn {
|
|
|
12
|
+ listData: any
|
|
|
13
|
+ params: EmptyObjectType
|
|
|
14
|
+ totalCount: EmptyObjectType
|
|
|
15
|
+ extend: any
|
|
|
16
|
+ handleSearch: () => void
|
|
|
17
|
+ upCallback: (mescroll: any) => Promise<void>
|
|
|
18
|
+ downCallback: () => void
|
|
|
19
|
+ mescrollInit: (mescroll: any) => void
|
|
|
20
|
+ getMescroll: () => any
|
|
|
21
|
+ updateApiParams: (callback: () => any[]) => void
|
|
|
22
|
+}
|
|
|
23
|
+
|
|
|
24
|
+export const useListLoader = ({ apiFn, initialParams = {}, getApiParams = () => [] }: UseListLoaderOptions): UseListLoaderReturn => {
|
|
|
25
|
+ const { mescrollInit, downCallback, getMescroll } = useMescroll(onPageScroll, onReachBottom)
|
|
|
26
|
+
|
|
|
27
|
+ const listData = ref<EmptyObjectType[]>([])
|
|
|
28
|
+ const params = ref(initialParams)
|
|
|
29
|
+ const apiParamsGetter = ref(getApiParams)
|
|
|
30
|
+ const totalCount = ref(0)
|
|
|
31
|
+ const extend = ref<any>({})
|
|
|
32
|
+
|
|
|
33
|
+ // 获取列表数据
|
|
|
34
|
+ const upCallback = async (mescroll: { num: number; size: number; endErr: () => void; endBySize: (length: number, total: number) => void }) => {
|
|
|
35
|
+ const query: PageQuery = {
|
|
|
36
|
+ pageNum: mescroll.num,
|
|
|
37
|
+ pageSize: mescroll.size,
|
|
|
38
|
+ ...params.value
|
|
|
39
|
+ }
|
|
|
40
|
+
|
|
|
41
|
+ try {
|
|
|
42
|
+ // 调用getter函数获取最新的参数
|
|
|
43
|
+ const apiParams = apiParamsGetter.value()
|
|
|
44
|
+ const res = await apiFn(query, ...apiParams)
|
|
|
45
|
+ const curPageData: any = res.rows || []
|
|
|
46
|
+
|
|
|
47
|
+ if (mescroll.num === 1) {
|
|
|
48
|
+ listData.value = []
|
|
|
49
|
+ }
|
|
|
50
|
+
|
|
|
51
|
+ listData.value = listData.value.concat(curPageData)
|
|
|
52
|
+ totalCount.value = res.total
|
|
|
53
|
+ extend.value = res.extend
|
|
|
54
|
+ mescroll.endBySize(curPageData.length, res.total)
|
|
|
55
|
+ } catch {
|
|
|
56
|
+ mescroll.endErr() // 请求失败, 结束加载
|
|
|
57
|
+ }
|
|
|
58
|
+ }
|
|
|
59
|
+
|
|
|
60
|
+ // 查询/重置搜索
|
|
|
61
|
+ const handleSearch = () => {
|
|
|
62
|
+ listData.value = []
|
|
|
63
|
+ getMescroll().resetUpScroll()
|
|
|
64
|
+ }
|
|
|
65
|
+
|
|
|
66
|
+ // 更新apiParams的getter函数
|
|
|
67
|
+ const updateApiParams = (callback: () => any[]) => {
|
|
|
68
|
+ apiParamsGetter.value = callback
|
|
|
69
|
+ }
|
|
|
70
|
+
|
|
|
71
|
+ return {
|
|
|
72
|
+ listData,
|
|
|
73
|
+ extend,
|
|
|
74
|
+ params,
|
|
|
75
|
+ totalCount,
|
|
|
76
|
+ handleSearch,
|
|
|
77
|
+ upCallback,
|
|
|
78
|
+ downCallback,
|
|
|
79
|
+ mescrollInit,
|
|
|
80
|
+ getMescroll,
|
|
|
81
|
+ updateApiParams
|
|
|
82
|
+ }
|
|
|
83
|
+}
|