底部标签栏获取token失败

探讨了在底部标签栏组件FooterGuide中提前加载导致无法获取localStorage中token的问题,提出通过定时器每5秒尝试获取token,确保登录后能正确读取。

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需求:底部标签栏获取token

底部标签栏<FooterGuide>是一个单独的组件组成的,我们是在登录成功的时候将token存储到localStorage中,在FooterGuide这个组件中将token取出来,但是这时候取出来的是null,说明此时localStorage里面并没有存储token,原因是在根组件中,FooterGuide是一直存在的

也就是说FooterGuide比登录页面更早的存在,此时在FooterGuide里面获取localStorage里面的token是不存在的,因为此时还未登录成功,所以localStorage里面并没有存储内容

解决办法:

开一个定时器,每5s获取一下,这时只要登录成功以后localStorage就会将token存储进去,自然而然就能获取到了。解决~

 

<template> <div class="detail-container"> <!-- 索引板块卡片 --> <el-card class="index-card"> <!-- 表单区域 --> <el-form :model="formData" label-position="top" ref="indexForm" class="mobile-form" > <!-- 问卷标题 --> <el-form-item label="问卷标题:" prop="dcWjTitle"> <el-input v-model="formData.dcWjTitle" placeholder="输入问卷标题" clearable :prefix-icon="Document" /> </el-form-item> <!-- 被测评人 --> <el-form-item label="被测评人:" prop="dcId"> <el-select v-model="formData.dcId" multiple filterable remote reserve-keyword clearable placeholder="选择被测评人" :remote-method="searchBdr" :loading="bdrLoading" @focus="handleBdrFocus" style="width: 100%" > <el-option v-for="item in bdrOptions" :key="item.dcId" :label="item.dcName" :value="item.dcId" /> </el-select> </el-form-item> <!-- 人员部门 --> <el-form-item label="人员部门:" prop="dcDept"> <el-input v-model="formData.dcDept" placeholder="输入人员部门" clearable :prefix-icon="OfficeBuilding" /> </el-form-item> <!-- 提交状态 --> <el-form-item label="提交状态:" prop="state"> <el-select v-model="formData.state" placeholder="选择提交状态" clearable class="mobile-select" > <el-option label="已提交" :value="1" /> <el-option label="未提交" :value="0" /> </el-select> </el-form-item> <!-- 新增:按钮区域 --> <el-form-item class="button-group"> <el-button type="primary" @click="handleSearch" class="action-button" :icon="Search" > 搜索 </el-button> <el-button @click="handleReset" class="action-button" :icon="Refresh" > 重置 </el-button> </el-form-item> </el-form> </el-card> <!-- 数据显示板块 --> <el-card class="data-card"> <template #header> <div class="card-header"> <el-button type="primary" size="small" :icon="Refresh" @click="fetchData" > 刷新数据 </el-button> </div> </template> <!-- 数据加载 --> <div v-loading="loading" class="card-container"> <div v-for="(item, index) in tableData" :key="item.dcWjId" class="data-card-item" > <!-- 顶部:序号和问卷标题 --> <div class="card-header-section"> <!-- <div class="card-id">序号{{ item.dcWjId }}</div> --> <div class="card-title">{{ item.dcWjTitle }}</div> </div> <!-- 中间:其他数据 --> <div class="card-body-section"> <div class="card-row"> <span class="card-label">被测评人:</span> <span class="card-value">{{ item.dcName }}</span> </div> <div class="card-row"> <span class="card-label">部门:</span> <span class="card-value">{{ item.dcDept }}</span> </div> <div class="card-row"> <span class="card-label">创建时间:</span> <span class="card-value">{{ item.createTime }}</span> </div> <div class="card-row"> <span class="card-label">提交时间:</span> <span class="card-value">{{ item.updateTime || '-' }}</span> </div> </div> <!-- 底部:状态、得分和操作按钮 --> <div class="card-footer-section"> <div class="status-container"> <el-tag :type="item.state === '1' ? 'success' : 'info'"> {{ item.state === '1' ? '已提交' : '未提交' }} </el-tag> <div class="score">总分: {{ item.score || '0' }}</div> </div> <el-button size="small" type="primary" @click="handleView(item)" class="action-btn" > 编辑/查看 </el-button> </div> </div> <!-- 空数据提示 --> <el-empty v-if="tableData.length === 0" description="暂无数据" /> </div> <!-- 分页控件 --> <div class="pagination-container"> <el-pagination v-model:current-page="pagination.current" v-model:page-size="pagination.size" :page-sizes="[5, 10, 20, 50]" layout="total, sizes, prev, pager, next, jumper" :total="pagination.total" @size-change="handleSizeChange" @current-change="handlePageChange" /> </div> </el-card> </div> </template> <script setup> // 确保正确导入所有 Vue 函数 import { ref, reactive, onMounted, onUnmounted } from 'vue'; import axios from 'axios'; import { Document, User, OfficeBuilding, Search, Refresh } from '@element-plus/icons-vue'; import { ElMessage } from 'element-plus'; import { useRouter } from 'vue-router'; const router = useRouter(); // 环境变量管理API地址 const API_BASE = import.meta.env.VITE_API_BASE || 'http://172.26.26.43/dev-api'; const API_URL = `${API_BASE}/wjdc/wj/listTx`; const BDR_API_URL = `${API_BASE}/wjdc/wj/getBdrList`; // 被测评人相关数据 const bdrOptions = ref([]); // 被测评人选项列表 const bdrLoading = ref(false); // 加载状态 const bdrCache = ref([]); // 缓存所有被测评人数据 // 表单数据 const formData = reactive({ dcWjTitle: '', dcId: [], dcDept: '', state: null }); // 表格数据 const tableData = ref([]); const loading = ref(false); // 分页配置 const pagination = reactive({ current: 1, size: 10, total: 0 }); // 表单引用 const indexForm = ref(null); // 求取消令牌 let cancelTokenSource = axios.CancelToken.source(); // 处理被测评人输入框获取焦点 const handleBdrFocus = () => { if (bdrCache.value.length === 0) { fetchBdrList(''); } }; // 获取被测评人列表 const fetchBdrList = async (keyword = '') => { const token = getAuthToken(); if (!token) return; bdrLoading.value = true; try { const response = await axios.get(BDR_API_URL, { headers: { 'Authorization': `Bearer ${token}` } }); // 判断返回的数据是否是数组 if (Array.isArray(response.data)) { // 缓存所有数据 bdrCache.value = response.data; // 根据关键字过滤 if (keyword) { const searchTerm = keyword.toLowerCase(); bdrOptions.value = bdrCache.value.filter(item => item.dcName && item.dcName.toLowerCase().includes(searchTerm) ).slice(0, 10); // 最多显示10条 } else { // 未输入关键字时显示前10条 bdrOptions.value = bdrCache.value.slice(0, 10); } } else { // 如果不是数组,则按照原有格式处理(假设有code和data) if (response.data && response.data.code === 200) { bdrCache.value = response.data.data || []; // 同样的过滤逻辑 if (keyword) { const searchTerm = keyword.toLowerCase(); bdrOptions.value = bdrCache.value.filter(item => item.dcName.toLowerCase().includes(searchTerm) ).slice(0, 10); } else { bdrOptions.value = bdrCache.value.slice(0, 10); } } else { const msg = response.data?.msg || '返回数据格式不正确'; ElMessage.error('获取被测评人列表失败: ' + msg); } } } catch (error) { console.error('获取被测评人列表失败:', error); ElMessage.error('获取被测评人列表失败'); } finally { bdrLoading.value = false; } }; // 搜索被测评人(防抖) let searchBdrTimer = null; const searchBdr = (query) => { if (searchBdrTimer) clearTimeout(searchBdrTimer); searchBdrTimer = setTimeout(() => { if (bdrCache.value.length === 0) { fetchBdrList(query); } else { // 本地过滤 if (query) { const searchTerm = query.toLowerCase(); bdrOptions.value = bdrCache.value.filter(item => item.dcName.toLowerCase().includes(searchTerm) ).slice(0, 10); } else { bdrOptions.value = bdrCache.value.slice(0, 10); } } }, 300); }; // 获取认证令牌 const getAuthToken = () => { const token = localStorage.getItem('token'); if (!token) { ElMessage.warning('先登录'); router.push('/login'); return null; } return token; }; // 搜索按钮处理函数 - 防抖 let searchTimer = null; const handleSearch = () => { // 检查被测评人选择数量 if (formData.dcId.length > 1) { ElMessage.warning({ message: '当前只能搜索一个被测人员', duration: 3000 }); return; } if (searchTimer) clearTimeout(searchTimer); searchTimer = setTimeout(() => { pagination.current = 1; fetchData(); }, 300); }; // 重置按钮处理函数 const handleReset = () => { if (indexForm.value) { indexForm.value.resetFields(); // 确保重置后 dcId 是空数组 formData.dcId = []; } handleSearch(); }; // 编辑/查看 const handleView = (row) => { router.push({ name: 'Operation', // 路由名称 params: { id: row.dcWjId // 传递问卷ID作为参数 } }); }; // 分页大小改变 const handleSizeChange = (size) => { pagination.size = size; fetchData(); }; // 页码改变 const handlePageChange = (page) => { pagination.current = page; fetchData(); }; // 获取数据 const fetchData = async () => { // 获取认证令牌 const token = getAuthToken(); if (!token) return; // 取消之前的求 if (cancelTokenSource) { cancelTokenSource.cancel('求被取消'); } cancelTokenSource = axios.CancelToken.source(); loading.value = true; try { // 构造求参数 const params = { pageNum: pagination.current, pageSize: pagination.size, ...formData, // 安全处理:确保 dcId 是数组再 join dcId: Array.isArray(formData.dcId) ? formData.dcId.join(',') : '' // 将数组转换为逗号分隔的字符串 }; // 调用API - 添加认证头 const response = await axios.get(API_URL, { params, cancelToken: cancelTokenSource.token, headers: { 'Content-Type': 'application/json', 'Authorization': `Bearer ${token}` } }); // 处理响应数据 const { data } = response; if (data && data.code === 200) { // 修改点:直接使用 data.rows 和 data.total tableData.value = data.rows || []; pagination.total = data.total || 0; // 空数据提示 if (tableData.value.length === 0) { ElMessage.info('没有找到匹配的数据'); } } else { const errorMsg = data?.msg || '未知错误'; console.error('API返回错误:', errorMsg); ElMessage.error(`失败: ${errorMsg}`); tableData.value = []; pagination.total = 0; } } catch (error) { // 处理认证失败 if (error.response && error.response.status === 401) { ElMessage.error('认证过期,重新登录'); localStorage.removeItem('token'); router.push('/login'); return; } // 忽略取消求的错误 if (!axios.isCancel(error)) { console.error('获取数据失败:', error); const errorMsg = error.response?.data?.message || '网络失败'; ElMessage.error(`失败: ${errorMsg}`); tableData.value = []; pagination.total = 0; } } finally { loading.value = false; } }; // 页面加载时获取初始数据 onMounted(() => { fetchData(); }); // 组件卸载时取消所有求 onUnmounted(() => { if (cancelTokenSource) { cancelTokenSource.cancel('组件卸载,取消求'); } }); </script> <style scoped> /* 移动端适配样式 */ .detail-container { padding: 12px; } /* 卡片容器样式 */ .card-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(500px, 1fr)); gap: 16px; padding: 8px; } /* 单个卡片样式 */ .data-card-item { background: #fff; border-radius: 12px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); padding: 16px; display: flex; flex-direction: column; transition: all 0.3s ease; border: 1px solid #ebeef5; } .data-card-item:hover { transform: translateY(-4px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12); } /* 卡片头部(序号+标题) */ .card-header-section { padding-bottom: 12px; border-bottom: 1px solid #f0f2f5; margin-bottom: 12px; } .card-id { font-size: 14px; color: #909399; margin-bottom: 4px; } .card-title { font-size: 16px; font-weight: 600; color: #303133; line-height: 1.4; word-break: break-word; } /* 卡片主体(其他信息) */ .card-body-section { flex: 1; margin-bottom: 12px; } .card-row { display: flex; margin-bottom: 8px; font-size: 14px; } .card-label { color: #606266; min-width: 70px; text-align: right; } .card-value { color: #303133; flex: 1; word-break: break-word; } /* 卡片底部(状态+按钮) */ .card-footer-section { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; border-top: 1px solid #f0f2f5; } .status-container { display: flex; align-items: center; gap: 8px; } .score { font-size: 14px; color: #e6a23c; font-weight: 500; } .action-btn { flex-shrink: 0; } /* 移动端响应式 */ @media (max-width: 768px) { .card-container { grid-template-columns: 1fr; } .card-row { flex-direction: column; margin-bottom: 12px; } .card-label { text-align: left; margin-bottom: 4px; font-weight: 500; } .card-footer-section { flex-direction: column; align-items: stretch; gap: 12px; } .status-container { justify-content: space-between; } } /* 添加选择器样式 */ :deep(.el-select) .el-input__inner { height: auto !important; min-height: 44px; padding: 5px 15px; } /* 标签样式 */ :deep(.el-tag) { margin: 2px 6px 2px 0; } /* 下拉菜单样式 */ :deep(.el-select-dropdown) { max-height: 300px; overflow-y: auto; } .index-card { border-radius: 12px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); } .card-header { font-size: 18px; font-weight: 600; color: #1a1a1a; } .mobile-form { :deep(.el-form-item__label) { font-weight: 500; margin-bottom: 6px; } :deep(.el-input__inner) { height: 44px; border-radius: 8px; } } .mobile-select { width: 100%; :deep(.el-input__inner) { height: 44px; } } /* 按钮区域样式 */ .button-group { display: flex; gap: 12px; margin-top: 16px; } .action-button { flex: 1; height: 46px; font-size: 16px; border-radius: 8px; } /* 移动端响应式调整 */ @media (max-width: 480px) { .button-group { flex-direction: column; gap: 10px; } .action-button { width: 100%; } } </style> 帮我修改一下该页面的整体布局,使得该页面适用于移动端,而不是PC端
最新发布
07-18
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