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cropper_vue

v1.0.1

Published

一个简单的Vue图片裁剪插件

Downloads

68

Readme

需要使用外层容器包裹并设置宽高

使用 注意: 需要关掉本地的mock服务, 不然图片转化会报错

组件内使用
import { VueCropper }  from 'cropper_vue' 
components: {
  VueCropper,
},

main.js里面使用
import VueCropper from 'cropper_vue' 

Vue.use(VueCropper)
<vueCropper
  ref="cropper"
  :img="option.img"
  :outputSize="option.size"
  :outputType="option.outputType"
>
</vueCropper>

cropper_vue

vue-cropper 相关文章参考。

vue-cropper-h5 作者:居里栈栈

Vue-cropper 图片裁剪的基本原理 作者: 龙恩0707

关于昵称和头像的总结(模仿微信) 作者: 秋晨光

vue-cropper

安装

npm install cropper_vue

目前还不知道什么原因项目里面开启mock 会导致file报错, 建议使用时 关掉mock

内置方法 通过this.$refs.cropper 调用

this.$refs.cropper.startCrop() 开始截图
this.$refs.cropper.stopCrop() 停止截图
this.$refs.cropper.clearCrop() 清除截图
this.$refs.cropper.changeScale() 修改图片大小 正数为变大 负数变小
this.$refs.cropper.getImgAxis() 获取图片基于容器的坐标点
this.$refs.cropper.getCropAxis() 获取截图框基于容器的坐标点
this.$refs.cropper.goAutoCrop 自动生成截图框函数
this.$refs.cropper.rotateRight() 向右边旋转90度
this.$refs.cropper.rotateLeft() 向左边旋转90度

图片加载的回调 imgLoad 返回结果success, error

获取截图信息

this.$refs.cropper.cropW 截图框宽度

this.$refs.cropper.cropH 截图框高度

// 获取截图的base64 数据
this.$refs.cropper.getCropData((data) => {
  // do something
  console.log(data)  
})

// 获取截图的blob数据
this.$refs.cropper.getCropBlob((data) => {
  // do something
  console.log(data)  
})

### Description of the default rendering mode of the image
Image layout mode mode achieves the same effect as css background
Contain Centered layout Default does not scale Ensure the image is inside the container mode: 'contain'
Cover stretch layout fill the entire container mode: 'cover'
If only one value is given, this value will be used as the width value and the height value will be set to auto. mode: '50px'
If two values are given, the first one will be the width value and the second will be the height value. mode: '50px 60px'

### 预览
``` html
@realTime="realTime"
// Real time preview function
realTime(data) {
  var previews = data;
  var h = 0.5;
  var w = 0.2;

  this.previewStyle1 = {
    width: previews.w + "px",
    height: previews.h + "px",
    overflow: "hidden",
    margin: "0",
    zoom: h
  };

  this.previewStyle2 = {
    width: previews.w + "px",
    height: previews.h + "px",
    overflow: "hidden",
    margin: "0",
    zoom: w
  };

  固定为100宽度
  this.previewStyle3 = {
    width: previews.w + "px",
    height: previews.h + "px",
    overflow: "hidden",
    margin: "0",
    zoom: 100 / preview.w
  };

  固定为100高度
  this.previewStyle4 = {
    width: previews.w + "px",
    height: previews.h + "px",
    overflow: "hidden",
    margin: "0",
    zoom: 100 / preview.h
  };
  this.previews = data;
},


<div class="show-preview" :style="{'width': previews.w + 'px', 'height': previews.h + 'px',  'overflow': 'hidden',
    'margin': '5px'}">
  <div :style="previews.div">
    <img :src="option.img" :style="previews.img">
  </div>
</div>
<p>中等大小</p>
<div :style="previewStyle1"> 
  <div :style="previews.div">
    <img :src="previews.url" :style="previews.img">
  </div>
</div>

<p>迷你大小</p>
<div :style="previewStyle2"> 
  <div :style="previews.div">
    <img :src="previews.url" :style="previews.img">
  </div>
</div>
=

图片移动回调函数 @imgMoving

data type
{
   moving: true, // moving 是否在移动
   axis: {
    x1: 1, // 左上角
	 x2: 1,// 右上角
	 y1: 1,// 左下角
	 y2: 1 // 右下角
   }
 }

截图框移动回调函数 @cropMoving

data type
{
   moving: true, // moving 是否在移动
   axis: {
    x1: 1, // 左上角
	 x2: 1,// 右上角
	 y1: 1,// 左下角
	 y2: 1 // 右下角
   }
 }