vue項目引入jquery庫的方法
1首先在package.json裏的dependencies加入jquery
"dependencies": {
"axios": "^0.19.2",
"element-ui": "^2.13.1",
"jquery": "^3.5.1",
"ol": "^5.2.0",
"vue": "^2.5.2",
"vue-router": "^3.0.1",
"vuex": "^3.2.0",
"xlsx": "^0.16.0"
},
2.在終端裏輸入npm install jquery
npm install jquery
3 在build/webpack.base.conf.js文件module.exports中添加plugins屬性如下代碼
const webpack = require('webpack')
module.exports = {
resolve:{}
plugins: [
new webpack.ProvidePlugin({
$: "jquery",
jQuery: "jquery"
})
],
module:{}
4在main.js中引入jquery import $ from ‘jquery’
import $ from 'jquery'
import Vue from 'vue'
import App from './App'
import router from './router'
import $ from 'jquery'
5在app.vue使用jquery獲取vue圖片logo
<div id="app">
<image src="logo.png"/>
</div>
export default {
name : "App",
mounted(){
var src= $('#app>img').attr('src');
}
}
6安裝jquery報錯處理方法
報錯問題描述
npm ERR! Unexpected token < in JSON at position 127336
解決辦法如下所示:
刪除根目錄下的package-lock.json一個或多個文件,
然後在npm install jquery依賴包名字,就會發現成功了。
不用擔心package-lock.json,在你安裝完依賴包後,它又會生成。
—the—end—