176 lines
4.7 KiB
JavaScript
176 lines
4.7 KiB
JavaScript
// 选择好友页面
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const app = getApp();
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const apiClient = require('../../../utils/api-client.js');
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Page({
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data: {
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// 好友列表
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friends: [],
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// 选中的好友列表(多选)
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selectedFriends: [],
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// 搜索关键词
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searchKeyword: '',
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// 加载状态
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loading: false,
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// 模式:partial_visible 或 exclude_friends
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mode: 'partial_visible'
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},
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onLoad(options) {
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// 获取传递的参数
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let selectedFriendsStr = options.selectedFriends || '[]';
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const mode = options.mode || 'partial_visible';
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// 如果参数被编码了,需要解码
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try {
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selectedFriendsStr = decodeURIComponent(selectedFriendsStr);
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} catch (e) {
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// 如果解码失败,使用原始值
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console.log('参数未编码,使用原始值');
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}
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try {
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const selectedFriends = JSON.parse(selectedFriendsStr);
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this.setData({
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selectedFriends: selectedFriends || [],
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mode: mode
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});
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} catch (e) {
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console.error('解析选中的好友失败:', e);
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this.setData({
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selectedFriends: [],
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mode: mode
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});
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}
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// 加载好友列表(在设置 selectedFriends 之后)
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this.loadFriends();
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},
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// 加载好友列表
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loadFriends() {
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// TODO: 调用API加载好友列表
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this.setData({ loading: true });
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// 示例数据
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setTimeout(() => {
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const friends = [
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{ id: 1, nickname: '张三', avatar: '/images/default-avatar.png', customId: 'user001' },
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{ id: 2, nickname: '李四', avatar: '/images/default-avatar.png', customId: 'user002' },
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{ id: 3, nickname: '王五', avatar: '/images/default-avatar.png', customId: 'user003' },
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{ id: 4, nickname: '赵六', avatar: '/images/default-avatar.png', customId: 'user004' },
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{ id: 5, nickname: '孙七', avatar: '/images/default-avatar.png', customId: 'user005' },
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{ id: 6, nickname: '周八', avatar: '/images/default-avatar.png', customId: 'user006' }
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];
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// 为每个好友添加 isSelected 属性
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this.updateFriendsSelection(friends);
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this.setData({
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friends: friends,
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loading: false
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});
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}, 500);
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},
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// 更新好友的选中状态
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updateFriendsSelection(friends) {
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const { selectedFriends } = this.data;
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if (!friends || !selectedFriends) return;
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friends.forEach(friend => {
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friend.isSelected = selectedFriends.some(selected => selected.id === friend.id);
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});
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},
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// 选择好友(多选)
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selectFriend(e) {
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const friendId = e.currentTarget.dataset.friendId;
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const friend = this.data.friends.find(f => f.id === friendId);
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if (!friend) return;
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const selectedFriends = [...this.data.selectedFriends];
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const index = selectedFriends.findIndex(f => f.id === friendId);
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if (index > -1) {
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// 取消选择
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selectedFriends.splice(index, 1);
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friend.isSelected = false;
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} else {
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// 选择
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selectedFriends.push(friend);
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friend.isSelected = true;
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}
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this.setData({
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selectedFriends: selectedFriends,
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friends: this.data.friends
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});
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},
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// 搜索输入
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onSearchInput(e) {
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this.setData({
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searchKeyword: e.detail.value
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});
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},
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// 确认选择
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confirmSelection() {
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const { selectedFriends, mode } = this.data;
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// 检查是否选择了好友
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if (!selectedFriends || selectedFriends.length === 0) {
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wx.showToast({
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title: '请选择好友',
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icon: 'none',
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duration: 2000
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});
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return;
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}
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// 计算好友总数
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const friendsCount = selectedFriends.length;
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// 生成显示文本:多个好友昵称,用逗号分隔
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const displayText = selectedFriends.map(friend => friend.nickname).join(',');
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// 返回上一页并传递选中的好友
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const pages = getCurrentPages();
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const prevPage = pages[pages.length - 2];
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if (prevPage) {
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if (mode === 'exclude_friends') {
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// 排除模式
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if (typeof prevPage.updateExcludeFriends === 'function') {
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prevPage.updateExcludeFriends(selectedFriends, friendsCount, displayText);
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}
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} else {
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// 部分可见模式
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if (typeof prevPage.updateSelectedFriends === 'function') {
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prevPage.updateSelectedFriends(selectedFriends, friendsCount, displayText);
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}
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}
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}
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wx.navigateBack();
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},
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// 获取过滤后的好友列表
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getFilteredFriends() {
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const { friends, searchKeyword } = this.data;
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if (!searchKeyword) {
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return friends;
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}
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return friends.filter(friend => {
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return friend.nickname.toLowerCase().includes(searchKeyword.toLowerCase());
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});
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},
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// 返回
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navigateBack() {
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wx.navigateBack();
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}
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});
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