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wx-image-compress

v1.0.2

Published

微信图片压缩

Readme

wx-image-compress

npm version

微信图片压缩

安装

  • npm
  npm install wx-image-compress

使用

1、引入

  import ImgCompress from '../../wx-image-compress/img-compress.js';

2、初始化

  this.imgCompress = new ImgCompress(this);

3、引入图片压缩组件

  <!-- 在你的.wxml文件中引入图片压缩组件 -->
  <import src="../../wx-image-compress/img-compress.wxml"/>
  <template is="img-compress" data="{{ canWidth, canHeight }}"></template>

4、压缩

  /* 
   * imgPath:图片路径
   * aspectRatio:图片宽高压缩比,0~1,默认0.5
   * quality:图片质量,0~1,默认0.5
   */
  this.imgCompress.compress(imgPath , aspectRatio, quality)
  .then(res => {
    console.log('压缩成功',res);
  }).catch(e => {e
    console.log('压缩失败',e);
  })

Tips:

  • aspectRatioss表示图片压缩后的宽高 / 压缩前的宽高,quality表示图片的压缩质量,越小压的越狠。iOS系统,在宽高缩小,质量为1的情况下,压缩后的图片大小会减小,但是在Android中反而大小会变大。
  • 在使用默认的aspectRatio:0.5 ,quality:0.5 情况下,能正常压缩,使大小变小。但是我们仍然不能精准的控制压缩后的大小。