How to use elementui framework in vue project

With the continuous development of web front-end technology, front-end frameworks such as React, Angular, and Vue are emerging. Among them, Vue has received more and more attention and has become one of the most popular front-end frameworks. In the Vue development process, using an appropriate UI framework can significantly improve development efficiency. ElementUI is an excellent Vue component library, covering common components such as forms, charts, modal boxes, calendars, etc.

This article will introduce how to use the ElementUI framework to build Vue applications, and provide some practical tips and precautions.

1. Install ElementUI

First, you need to install ElementUI. Just use the npm tool in the terminal to install it. The specific command is as follows:

npm install element-ui -S

-S parameter represents installing ElementUI into the dependencies of the project instead of devDependencies.

After installation is complete, it can be used throughout the project.

2. Introduce ElementUI

After completing the installation of ElementUI, you need to introduce ElementUI into the Vue project and register it. It needs to be introduced in main.js.

import Vue from 'vue';
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css'; //引入ElementUI样式

Vue.use(ElementUI);

ElementUI is introduced and registered here, and the default theme style of ElementUI is also introduced.

After completing the above operations, you can use the ElementUI component in the Vue project.

3. Example

The following is a sample code, which contains several commonly used components.

<template>
  <div>
    <el-button @click="onClick">ElementUI按钮</el-button>
    <el-input placeholder="请输入内容" v-model="inputContent"></el-input>
    <el-table :data="tableData">
      <el-table-column label="日期" prop="date"></el-table-column>
      <el-table-column label="姓名" prop="name"></el-table-column>
      <el-table-column label="地址" prop="address"></el-table-column>
    </el-table>
    <el-dialog title="Dialog标题" v-model="dialogVisible">
      <span>这是Dialog内容</span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'myElementUIComponent',
  data() {
    return {
      inputContent: '',
      tableData: [{
        date: '2021-06-01',
        name: 'Tom',
        address: '北京市'
      }, {
        date: '2021-06-02',
        name: 'Jerry',
        address: '上海市'
      }],
      dialogVisible: false
    };
  },
  methods: {
    onClick() {
      alert('Click!');
    }
  }
};
</script>

In this example, we use four components: Button, Input, Table and Dialog. The Button component will trigger the onClick method after being clicked, the Input component can bind data in two directions, the Table component shows a sample data table, and the Dialog component displays text information after it pops up.

4. Notes

When using ElementUI, the following precautions are worth noting:

(1) Import ElementUI on demand

In the project During development, we often encounter the problem that some ElementUI components are not used, and directly importing library files will cause the project size to be too large. You can introduce only the components you need by introducing them on demand. The method is to use the babel-plugin-component plug-in to change the introduction of ElementUI in main.js to on-demand introduction.

(2) ElementUI version conflict

When using ElementUI, you may encounter version conflicts, such as ElementUI and Vue version incompatibility. It is necessary to pay attention to relevant version dependencies and timely update and optimize the project operating environment.

(3) ElementUI theme customization

ElementUI provides a variety of themes. You can preview the theme before use, choose your favorite theme style, or customize the theme. When defining global styles, you can also override ElementUI default styles to achieve personalized UI design.

5. Summary

This article introduces how to use the ElementUI framework in a Vue project, including the installation and introduction method of ElementUI, as well as a simple example. At the same time, it also provides some issues and techniques that need to be paid attention to when using ElementUI.

ElementUI provides a convenient, efficient, and elegant UI component library for Vue development, and has become one of the important tools for Web front-end development. I believe that through the introduction of this article, readers can flexibly use ElementUI in their own Vue projects to improve project development efficiency and UI design quality.

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