在vue中引入jq
用vue-cli脚手架工具构建项目成功后 当需要引入JQ,可用以下方法:
1.首先在package.json里的dependencies加入
"jquery" : "^3.3.1",
![](http://upload-images.jianshu.io/upload_images/14176957-42a9a790fa7255e5.png?imageMogr2/auto-orient/strip|imageView2/2/w/344/format/webp)
2.在终端里输入npm install jquery --save-dev当然用 淘宝镜像 cnpm 也是可以的
注意:jquery 一定要小写 不然会提示 Please use 'jquery' (all lowercase)
![](http://upload-images.jianshu.io/upload_images/14176957-cc50215b6a117db8.png?imageMogr2/auto-orient/strip|imageView2/2/w/642/format/webp)
3.找到build文件夹下的webpack.base.conf.js文件,打开,添加:
var webpack=require('webpack')
![](http://upload-images.jianshu.io/upload_images/14176957-40cef277a9e687e8.png?imageMogr2/auto-orient/strip|imageView2/2/w/600/format/webp)
在module.exports里输入:
plugins: [
new webpack.ProvidePlugin({
$:"jquery",
jQuery:"jquery",
"windows.jQuery":"jquery"
})
],
![](http://upload-images.jianshu.io/upload_images/14176957-378e3b4551f785e9.png?imageMogr2/auto-orient/strip|imageView2/2/w/464/format/webp)
4.在入口文件main.js中输入:
import $ from 'jquery'
![](http://upload-images.jianshu.io/upload_images/14176957-4d5e56684d27940f.png?imageMogr2/auto-orient/strip|imageView2/2/w/426/format/webp)
5.在终端输入npm run dev 就欧克了
![](http://upload-images.jianshu.io/upload_images/14176957-9916994320ad9255.png?imageMogr2/auto-orient/strip|imageView2/2/w/181/format/webp)
![](http://upload-images.jianshu.io/upload_images/14176957-20e670dd3fe16607.png?imageMogr2/auto-orient/strip|imageView2/2/w/505/format/webp)
6.验证方法 在APP.vue里进行验证 看图:
![](http://upload-images.jianshu.io/upload_images/14176957-5287c1792c9191d7.png?imageMogr2/auto-orient/strip|imageView2/2/w/489/format/webp)
![](http://upload-images.jianshu.io/upload_images/14176957-978fbbb0ad8e3d69.png?imageMogr2/auto-orient/strip|imageView2/2/w/620/format/webp)
原文:https://blog.csdn.net/MM1098/article/details/78836156
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