Vue使用element-ui/plus组件布局容器container失效解决方法

分享了关于在Element UI中如何正确使用layout组件的困扰经历,指出官方推荐的写法是将el-header, aside, main, footer直接放在el-container内,避免在子组件中嵌套。

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这个错我遇到了好几次,每一次都花了很长时间解决,还是决定写个笔记记录一下。

在使用elementu官网的布局容器时,他是这样的。

<el-container>
  <el-header>Header</el-header>
  <el-main>Main</el-main>
</el-container>

<el-container>
  <el-header>Header</el-header>
  <el-main>Main</el-main>
  <el-footer>Footer</el-footer>
</el-container>

<el-container>
  <el-aside width="200px">Aside</el-aside>
  <el-main>Main</el-main>
</el-container>

<el-container>
  <el-header>Header</el-header>
  <el-container>
    <el-aside width="200px">Aside</el-aside>
    <el-main>Main</el-main>
  </el-container>
</el-container>

<el-container>
  <el-header>Header</el-header>
  <el-container>
    <el-aside width="200px">Aside</el-aside>
    <el-container>
      <el-main>Main</el-main>
      <el-footer>Footer</el-footer>
    </el-container>
  </el-container>
</el-container>

<el-container>
  <el-aside width="200px">Aside</el-aside>
  <el-container>
    <el-header>Header</el-header>
    <el-main>Main</el-main>
  </el-container>
</el-container>

<el-container>
  <el-aside width="200px">Aside</el-aside>
  <el-container>
    <el-header>Header</el-header>
    <el-main>Main</el-main>
    <el-footer>Footer</el-footer>
  </el-container>
</el-container>

<style>
  .el-header, .el-footer {
    background-color: #B3C0D1;
    color: #333;
    text-align: center;
    line-height: 60px;
  }
  
  .el-aside {
    background-color: #D3DCE6;
    color: #333;
    text-align: center;
    line-height: 200px;
  }
  
  .el-main {
    background-color: #E9EEF3;
    color: #333;
    text-align: center;
    line-height: 160px;
  }
  
  body > .el-container {
    margin-bottom: 40px;
  }
  
  .el-container:nth-child(5) .el-aside,
  .el-container:nth-child(6) .el-aside {
    line-height: 260px;
  }
  
  .el-container:nth-child(7) .el-aside {
    line-height: 320px;
  }
</style>

我在确定elementui引入正确的情况下是这样写的。

<template>
  <el-container>
    <SideNav></SideNav>
    <el-container>
      <el-main><Main></Main></el-main>
      <el-footer><Footer></Footer></el-footer>
    </el-container>
  </el-container>
</template>

<script>
import SideNav from "@/components/SideNav";
import HomeHeader from "@/pages/Home/HomeHeader";
import "element-ui/lib/theme-chalk/index.css";
import Header from "@/components/Header";
export default {
  name: "Home",
  components: { SideNav, HomeHeader, Header },
};
</script>
<style  scoped>
.baseContainer {
  height: 100%;
  width: 100%;
  position: relative;
  left: 0px;
  right: 0px;
  top: 0px;
  bottom: 0px;
}

.el-header,
.el-footer {
  background-color: #b3c0d1;
  color: #333;
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #d3dce6;
  color: #333;
  text-align: center;
  line-height: 200px;
}

.el-main {
  background-color: #e9eef3;
  color: #333;
  text-align: center;
  line-height: 160px;
}

body > .el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}
</style>

注意,我在SideNav,Header,Main,Footer组件套了el-aside,el-header...然后暴露出来在Home中引用。

当然错误,布局一片混乱。想了一下午终于懂了。

原来,elementui不支持这种写法,在Home里面应该完全遵循官网的写法,el-aside,el-header,el-mian,el-footer等必须写在container的同一个组件,不能写在子组件里面然后引入,不然elementui不会识别为布局容器。

正确写法

<template>
  <el-container>
    <el-aside>
      <SideNav></SideNav>
    </el-aside>
    <el-container>
      <el-main><Main></Main></el-main>
      <el-footer><Footer></Footer></el-footer>
    </el-container>
  </el-container>
</template>

<script>
import SideNav from "@/components/SideNav";
import HomeHeader from "@/pages/Home/HomeHeader";
import "element-ui/lib/theme-chalk/index.css";
import Header from "@/components/Header";
export default {
  name: "Home",
  components: { SideNav, HomeHeader, Header },
};
</script>
<style  scoped>
.baseContainer {
  height: 100%;
  width: 100%;
  position: relative;
  left: 0px;
  right: 0px;
  top: 0px;
  bottom: 0px;
}

.el-header,
.el-footer {
  background-color: #b3c0d1;
  color: #333;
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #d3dce6;
  color: #333;
  text-align: center;
  line-height: 200px;
}

.el-main {
  background-color: #e9eef3;
  color: #333;
  text-align: center;
  line-height: 160px;
}

body > .el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}
</style>

言语稚嫩,希望对你有帮助!

我的详情界面里只显示了搜索两个字,问卷标题等搜索框都没有出现,是不是我这个页面没有导入element组件,界面代码如下:<template> <!-- 顶部搜索区域 --> <div class="filter-container"> <el-form :inline="true" :model="searchForm"> <!-- 问卷标题搜索 --> <el-form-item label="问卷标题"> <el-input v-model="searchForm.dcWjTitle" placeholder="输入问卷标题" clearable /> </el-form-item> <!-- 被测评人ID搜索 --> <el-form-item label="被测评人ID"> <el-input v-model="searchForm.dcid" placeholder="输入被测评人ID" clearable /> </el-form-item> <!-- 部门选择 --> <el-form-item label="人员部门"> <el-select v-model="searchForm.dcDept" placeholder="选择部门" clearable > <el-option v-for="dept in departments" :key="dept.value" :label="dept.label" :value="dept.value" /> </el-select> </el-form-item> <!-- 状态选择 --> <el-form-item label="提交状态"> <el-select v-model="searchForm.state" placeholder="选择状态" clearable > <el-option label="已提交" value="1" /> <el-option label="未提交" value="0" /> </el-select> </el-form-item> <el-form-item> <el-button type="primary" @click="handleSearch" icon="el-icon-search" >搜索</el-button> </el-form-item> </el-form> </div> <!-- 数据表格 --> <el-table :data="filteredData"> <!-- 表格列定义 --> </el-table> </template> <script> export default { data() { return { searchForm: { dcWjTitle: '', dcid: '', dcDept: '', state: '' }, rawData: [], // 原始数据 departments: [ // 部门选项 { label: '技术部', value: 'tech' }, { label: '市场部', value: 'market' } ] } }, computed: { // 过滤后的数据 filteredData() { return this.rawData.filter(item => (!this.searchForm.dcWjTitle || item.title.includes(this.searchForm.dcWjTitle)) && (!this.searchForm.dcid || item.dcid === this.searchForm.dcid) && (!this.searchForm.dcDept || item.dept === this.searchForm.dcDept) && (!this.searchForm.state || item.state === this.searchForm.state) ) } }, methods: { // 触发搜索 handleSearch() { this.fetchFilteredData() }, // 从后端获取数据 async fetchFilteredData() { try { const params = { title: this.searchForm.dcWjTitle, dcid: this.searchForm.dcid, dept: this.searchForm.dcDept, state: this.searchForm.state } // 调用后端API(示例) const { data } = await axios.get('/api/questionnaires', { params }) this.rawData = data } catch (error) { console.error('获取数据失败', error) } } } } </script>
最新发布
07-15
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