From fe75cffbf3bae6777aa2794fd89fa5dc37f5df8d Mon Sep 17 00:00:00 2001
From: gaoluyang <2820782392@qq.com>
Date: 星期二, 15 七月 2025 10:11:23 +0800
Subject: [PATCH] 项目初始化
---
src/uni_modules/uni-data-picker/components/uni-data-pickerview/uni-data-picker.js | 622 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 622 insertions(+), 0 deletions(-)
diff --git a/src/uni_modules/uni-data-picker/components/uni-data-pickerview/uni-data-picker.js b/src/uni_modules/uni-data-picker/components/uni-data-pickerview/uni-data-picker.js
new file mode 100644
index 0000000..cfae22a
--- /dev/null
+++ b/src/uni_modules/uni-data-picker/components/uni-data-pickerview/uni-data-picker.js
@@ -0,0 +1,622 @@
+export default {
+ props: {
+ localdata: {
+ type: [Array, Object],
+ default () {
+ return []
+ }
+ },
+ spaceInfo: {
+ type: Object,
+ default () {
+ return {}
+ }
+ },
+ collection: {
+ type: String,
+ default: ''
+ },
+ action: {
+ type: String,
+ default: ''
+ },
+ field: {
+ type: String,
+ default: ''
+ },
+ orderby: {
+ type: String,
+ default: ''
+ },
+ where: {
+ type: [String, Object],
+ default: ''
+ },
+ pageData: {
+ type: String,
+ default: 'add'
+ },
+ pageCurrent: {
+ type: Number,
+ default: 1
+ },
+ pageSize: {
+ type: Number,
+ default: 500
+ },
+ getcount: {
+ type: [Boolean, String],
+ default: false
+ },
+ getone: {
+ type: [Boolean, String],
+ default: false
+ },
+ gettree: {
+ type: [Boolean, String],
+ default: false
+ },
+ manual: {
+ type: Boolean,
+ default: false
+ },
+ value: {
+ type: [Array, String, Number],
+ default () {
+ return []
+ }
+ },
+ modelValue: {
+ type: [Array, String, Number],
+ default () {
+ return []
+ }
+ },
+ preload: {
+ type: Boolean,
+ default: false
+ },
+ stepSearh: {
+ type: Boolean,
+ default: true
+ },
+ selfField: {
+ type: String,
+ default: ''
+ },
+ parentField: {
+ type: String,
+ default: ''
+ },
+ multiple: {
+ type: Boolean,
+ default: false
+ },
+ map: {
+ type: Object,
+ default () {
+ return {
+ text: "text",
+ value: "value"
+ }
+ }
+ }
+ },
+ data() {
+ return {
+ loading: false,
+ errorMessage: '',
+ loadMore: {
+ contentdown: '',
+ contentrefresh: '',
+ contentnomore: ''
+ },
+ dataList: [],
+ selected: [],
+ selectedIndex: 0,
+ page: {
+ current: this.pageCurrent,
+ size: this.pageSize,
+ count: 0
+ }
+ }
+ },
+ computed: {
+ isLocalData() {
+ return !this.collection.length;
+ },
+ isCloudData() {
+ return this.collection.length > 0;
+ },
+ isCloudDataList() {
+ return (this.isCloudData && (!this.parentField && !this.selfField));
+ },
+ isCloudDataTree() {
+ return (this.isCloudData && this.parentField && this.selfField);
+ },
+ dataValue() {
+ let isModelValue = Array.isArray(this.modelValue) ? (this.modelValue.length > 0) : (this.modelValue !== null ||
+ this.modelValue !== undefined);
+ return isModelValue ? this.modelValue : this.value;
+ },
+ hasValue() {
+ if (typeof this.dataValue === 'number') {
+ return true
+ }
+ return (this.dataValue != null) && (this.dataValue.length > 0)
+ }
+ },
+ created() {
+ this.$watch(() => {
+ var al = [];
+ ['pageCurrent',
+ 'pageSize',
+ 'spaceInfo',
+ 'value',
+ 'modelValue',
+ 'localdata',
+ 'collection',
+ 'action',
+ 'field',
+ 'orderby',
+ 'where',
+ 'getont',
+ 'getcount',
+ 'gettree'
+ ].forEach(key => {
+ al.push(this[key])
+ });
+ return al
+ }, (newValue, oldValue) => {
+ let needReset = false
+ for (let i = 2; i < newValue.length; i++) {
+ if (newValue[i] != oldValue[i]) {
+ needReset = true
+ break
+ }
+ }
+ if (newValue[0] != oldValue[0]) {
+ this.page.current = this.pageCurrent
+ }
+ this.page.size = this.pageSize
+
+ this.onPropsChange()
+ })
+ this._treeData = []
+ },
+ methods: {
+ onPropsChange() {
+ this._treeData = [];
+ },
+
+ // 濉厖 pickview 鏁版嵁
+ async loadData() {
+ if (this.isLocalData) {
+ this.loadLocalData();
+ } else if (this.isCloudDataList) {
+ this.loadCloudDataList();
+ } else if (this.isCloudDataTree) {
+ this.loadCloudDataTree();
+ }
+ },
+
+ // 鍔犺浇鏈湴鏁版嵁
+ async loadLocalData() {
+ this._treeData = [];
+ this._extractTree(this.localdata, this._treeData);
+
+ let inputValue = this.dataValue;
+ if (inputValue === undefined) {
+ return;
+ }
+
+ if (Array.isArray(inputValue)) {
+ inputValue = inputValue[inputValue.length - 1];
+ if (typeof inputValue === 'object' && inputValue[this.map.value]) {
+ inputValue = inputValue[this.map.value];
+ }
+ }
+
+ this.selected = this._findNodePath(inputValue, this.localdata);
+ },
+
+ // 鍔犺浇 Cloud 鏁版嵁 (鍗曞垪)
+ async loadCloudDataList() {
+ if (this.loading) {
+ return;
+ }
+ this.loading = true;
+
+ try {
+ let response = await this.getCommand();
+ let responseData = response.result.data;
+
+ this._treeData = responseData;
+
+ this._updateBindData();
+ this._updateSelected();
+
+ this.onDataChange();
+ } catch (e) {
+ this.errorMessage = e;
+ } finally {
+ this.loading = false;
+ }
+ },
+
+ // 鍔犺浇 Cloud 鏁版嵁 (鏍戝舰)
+ async loadCloudDataTree() {
+ if (this.loading) {
+ return;
+ }
+ this.loading = true;
+
+ try {
+ let commandOptions = {
+ field: this._cloudDataPostField(),
+ where: this._cloudDataTreeWhere()
+ };
+ if (this.gettree) {
+ commandOptions.startwith = `${this.selfField}=='${this.dataValue}'`;
+ }
+
+ let response = await this.getCommand(commandOptions);
+ let responseData = response.result.data;
+
+ this._treeData = responseData;
+ this._updateBindData();
+ this._updateSelected();
+
+ this.onDataChange();
+ } catch (e) {
+ this.errorMessage = e;
+ } finally {
+ this.loading = false;
+ }
+ },
+
+ // 鍔犺浇 Cloud 鏁版嵁 (鑺傜偣)
+ async loadCloudDataNode(callback) {
+ if (this.loading) {
+ return;
+ }
+ this.loading = true;
+
+ try {
+ let commandOptions = {
+ field: this._cloudDataPostField(),
+ where: this._cloudDataNodeWhere()
+ };
+
+ let response = await this.getCommand(commandOptions);
+ let responseData = response.result.data;
+
+ callback(responseData);
+ } catch (e) {
+ this.errorMessage = e;
+ } finally {
+ this.loading = false;
+ }
+ },
+
+ // 鍥炴樉 Cloud 鏁版嵁
+ getCloudDataValue() {
+ if (this.isCloudDataList) {
+ return this.getCloudDataListValue();
+ }
+
+ if (this.isCloudDataTree) {
+ return this.getCloudDataTreeValue();
+ }
+ },
+
+ // 鍥炴樉 Cloud 鏁版嵁 (鍗曞垪)
+ getCloudDataListValue() {
+ // 鏍规嵁 field's as value鏍囪瘑鍖归厤 where 鏉′欢
+ let where = [];
+ let whereField = this._getForeignKeyByField();
+ if (whereField) {
+ where.push(`${whereField} == '${this.dataValue}'`)
+ }
+
+ where = where.join(' || ');
+
+ if (this.where) {
+ where = `(${this.where}) && (${where})`
+ }
+
+ return this.getCommand({
+ field: this._cloudDataPostField(),
+ where
+ }).then((res) => {
+ this.selected = res.result.data;
+ return res.result.data;
+ });
+ },
+
+ // 鍥炴樉 Cloud 鏁版嵁 (鏍戝舰)
+ getCloudDataTreeValue() {
+ return this.getCommand({
+ field: this._cloudDataPostField(),
+ getTreePath: {
+ startWith: `${this.selfField}=='${this.dataValue}'`
+ }
+ }).then((res) => {
+ let treePath = [];
+ this._extractTreePath(res.result.data, treePath);
+ this.selected = treePath;
+ return treePath;
+ });
+ },
+
+ getCommand(options = {}) {
+ /* eslint-disable no-undef */
+ let db = uniCloud.database(this.spaceInfo)
+
+ const action = options.action || this.action
+ if (action) {
+ db = db.action(action)
+ }
+
+ const collection = options.collection || this.collection
+ db = db.collection(collection)
+
+ const where = options.where || this.where
+ if (!(!where || !Object.keys(where).length)) {
+ db = db.where(where)
+ }
+
+ const field = options.field || this.field
+ if (field) {
+ db = db.field(field)
+ }
+
+ const orderby = options.orderby || this.orderby
+ if (orderby) {
+ db = db.orderBy(orderby)
+ }
+
+ const current = options.pageCurrent !== undefined ? options.pageCurrent : this.page.current
+ const size = options.pageSize !== undefined ? options.pageSize : this.page.size
+ const getCount = options.getcount !== undefined ? options.getcount : this.getcount
+ const getTree = options.gettree !== undefined ? options.gettree : this.gettree
+
+ const getOptions = {
+ getCount,
+ getTree
+ }
+ if (options.getTreePath) {
+ getOptions.getTreePath = options.getTreePath
+ }
+
+ db = db.skip(size * (current - 1)).limit(size).get(getOptions)
+
+ return db
+ },
+
+ _cloudDataPostField() {
+ let fields = [this.field];
+ if (this.parentField) {
+ fields.push(`${this.parentField} as parent_value`);
+ }
+ return fields.join(',');
+ },
+
+ _cloudDataTreeWhere() {
+ let result = []
+ let selected = this.selected
+ let parentField = this.parentField
+ if (parentField) {
+ result.push(`${parentField} == null || ${parentField} == ""`)
+ }
+ if (selected.length) {
+ for (var i = 0; i < selected.length - 1; i++) {
+ result.push(`${parentField} == '${selected[i].value}'`)
+ }
+ }
+
+ let where = []
+ if (this.where) {
+ where.push(`(${this.where})`)
+ }
+
+ if (result.length) {
+ where.push(`(${result.join(' || ')})`)
+ }
+
+ return where.join(' && ')
+ },
+
+ _cloudDataNodeWhere() {
+ let where = []
+ let selected = this.selected;
+ if (selected.length) {
+ where.push(`${this.parentField} == '${selected[selected.length - 1].value}'`);
+ }
+
+ where = where.join(' || ');
+
+ if (this.where) {
+ return `(${this.where}) && (${where})`
+ }
+
+ return where
+ },
+
+ _getWhereByForeignKey() {
+ let result = []
+ let whereField = this._getForeignKeyByField();
+ if (whereField) {
+ result.push(`${whereField} == '${this.dataValue}'`)
+ }
+
+ if (this.where) {
+ return `(${this.where}) && (${result.join(' || ')})`
+ }
+
+ return result.join(' || ')
+ },
+
+ _getForeignKeyByField() {
+ let fields = this.field.split(',');
+ let whereField = null;
+ for (let i = 0; i < fields.length; i++) {
+ const items = fields[i].split('as');
+ if (items.length < 2) {
+ continue;
+ }
+ if (items[1].trim() === 'value') {
+ whereField = items[0].trim();
+ break;
+ }
+ }
+ return whereField;
+ },
+
+ _updateBindData(node) {
+ const {
+ dataList,
+ hasNodes
+ } = this._filterData(this._treeData, this.selected)
+
+ let isleaf = this._stepSearh === false && !hasNodes
+
+ if (node) {
+ node.isleaf = isleaf
+ }
+
+ this.dataList = dataList
+ this.selectedIndex = dataList.length - 1
+
+ if (!isleaf && this.selected.length < dataList.length) {
+ this.selected.push({
+ value: null,
+ text: "璇烽�夋嫨"
+ })
+ }
+
+ return {
+ isleaf,
+ hasNodes
+ }
+ },
+
+ _updateSelected() {
+ let dl = this.dataList
+ let sl = this.selected
+ let textField = this.map.text
+ let valueField = this.map.value
+ for (let i = 0; i < sl.length; i++) {
+ let value = sl[i].value
+ let dl2 = dl[i]
+ for (let j = 0; j < dl2.length; j++) {
+ let item2 = dl2[j]
+ if (item2[valueField] === value) {
+ sl[i].text = item2[textField]
+ break
+ }
+ }
+ }
+ },
+
+ _filterData(data, paths) {
+ let dataList = []
+ let hasNodes = true
+
+ dataList.push(data.filter((item) => {
+ return (item.parent_value === null || item.parent_value === undefined || item.parent_value === '')
+ }))
+ for (let i = 0; i < paths.length; i++) {
+ let value = paths[i].value
+ let nodes = data.filter((item) => {
+ return item.parent_value === value
+ })
+
+ if (nodes.length) {
+ dataList.push(nodes)
+ } else {
+ hasNodes = false
+ }
+ }
+
+ return {
+ dataList,
+ hasNodes
+ }
+ },
+
+ _extractTree(nodes, result, parent_value) {
+ let list = result || []
+ let valueField = this.map.value
+ for (let i = 0; i < nodes.length; i++) {
+ let node = nodes[i]
+
+ let child = {}
+ for (let key in node) {
+ if (key !== 'children') {
+ child[key] = node[key]
+ }
+ }
+ if (parent_value !== null && parent_value !== undefined && parent_value !== '') {
+ child.parent_value = parent_value
+ }
+ result.push(child)
+
+ let children = node.children
+ if (children) {
+ this._extractTree(children, result, node[valueField])
+ }
+ }
+ },
+
+ _extractTreePath(nodes, result) {
+ let list = result || []
+ for (let i = 0; i < nodes.length; i++) {
+ let node = nodes[i]
+
+ let child = {}
+ for (let key in node) {
+ if (key !== 'children') {
+ child[key] = node[key]
+ }
+ }
+ result.push(child)
+
+ let children = node.children
+ if (children) {
+ this._extractTreePath(children, result)
+ }
+ }
+ },
+
+ _findNodePath(key, nodes, path = []) {
+ let textField = this.map.text
+ let valueField = this.map.value
+ for (let i = 0; i < nodes.length; i++) {
+ let node = nodes[i]
+ let children = node.children
+ let text = node[textField]
+ let value = node[valueField]
+
+ path.push({
+ value,
+ text
+ })
+
+ if (value === key) {
+ return path
+ }
+
+ if (children) {
+ const p = this._findNodePath(key, children, path)
+ if (p.length) {
+ return p
+ }
+ }
+
+ path.pop()
+ }
+ return []
+ }
+ }
+}
--
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