How to load plug-ins in uniapp

How to load plug-ins in uniapp

With the development of mobile applications, developers hope to easily extend application functions to provide a better experience. This is when plug-ins become a popular solution.

In uniapp development, how to load plug-ins? The following will introduce them one by one to you.

1. Understand the uni-app plug-in

First, we need to understand the uni-app plug-in. The uni-app plug-in is a development component and functional module based on the npm package management mechanism. It is an extension of the uni-app framework ecosystem. Plug-ins can help us develop applications more conveniently.

2. Installing the plug-in

The installation of the plug-in is very simple, just use npm to install it. How to use npm in uni-app development? You can follow the following steps:

(1) Open the console in the project root directory;

(2) Enter npm install to download the plug-in;

npm install xxx

(3) In pages Register the plug-in in .json as follows:

"easycom": {
  "autoscan": true,
  "custom": {
    "plug-in": "plugin-name"
  }
}

Among them, plug-in is the name of the registered plug-in, and plugin-name is the name of the plug-in downloaded by npm.

(4) Just introduce the plug-in where you need to use the plug-in, as shown below:

import xxx from 'plugin-name';

3. Use the plug-in

Successfully installed through the above steps After installing the plug-in, you can happily use it! For example, we need to use an image compression plug-in. The core code is as follows:

import ImageCompressor from 'uni-image-compressor';

//通过uni.chooseImage获取图片路径
uni.chooseImage({
  success: function (res) {
    //压缩前图片大小
    const filesize = res.tempFiles[0].size;
    console.log(`压缩前：${filesize / 1024}KB`);

    const imageCompressor = new ImageCompressor({
      quality: 0.6,
      maxWidth: 200,
      maxHeight: 200,
    });
    imageCompressor.compress(res.tempFiles[0].path, function (result) {
      //处理压缩后图片
      console.log(result.path);
      //压缩后图片大小
      const filesize = result.origin.size;
      console.log(`压缩后：${filesize / 1024}KB`);
    });
  },
});

Summary:

Through the above steps, we can quickly get started using the uni-app plug-in. Through plug-ins, we can expand application functions more conveniently and provide users with a better experience.

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