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# mpvue-cropper
> mpvue 版本 we-cropper
## Install
```bash
npm install mpvue-cropper --save
```
## Usage example
```vue
<template>
<div>
<mpvue-cropper
ref="cropper"
:option="cropperOpt"
@ready="cropperReady"
@beforeDraw="cropperBeforeDraw"
@beforeImageLoad="cropperBeforeImageLoad"
@beforeLoad="cropperLoad"
></mpvue-cropper>
<div
class="cropper-buttons"
:style="{ color:cropperOpt.boundStyle.color}">
<div
class="upload btn"
@tap="uploadTap">
上传图片
</div>
<div
class="getCropperImage btn"
:style="{ backgroundColor: cropperOpt.boundStyle.color }"
@tap="getCropperImage">
生成图片
</div>
</div>
</div>
</template>
<script>
import MpvueCropper from 'mpvue-cropper'
let wecropper
const device = wx.getSystemInfoSync()
const width = device.windowWidth
const height = device.windowHeight - 50
export default {
data () {
return {
cropperOpt: {
id: 'cropper',
targetId: 'targetCropper',
pixelRatio: device.pixelRatio,
width,
height,
scale: 2.5,
zoom: 8,
cut: {
x: (width - 300) / 2,
y: (height - 300) / 2,
width: 300,
height: 300
},
boundStyle: {
color: '#04b00f',
mask: 'rgba(0,0,0,0.8)',
lineWidth: 1
}
}
}
},
components: {
MpvueCropper
},
methods: {
cropperReady (...args) {
console.log('cropper ready!')
},
cropperBeforeImageLoad (...args) {
console.log('before image load')
},
cropperLoad (...args) {
console.log('image loaded')
},
cropperBeforeDraw (...args) {
// Todo: 绘制水印等等
},
uploadTap () {
wx.chooseImage({
count: 1, // 默认9
sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有
sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
success: (res) => {
const src = res.tempFilePaths[0]
// 获取裁剪图片资源后，给data添加src属性及其值
wecropper.pushOrigin(src)
}
})
},
getCropperImage () {
wecropper.getCropperImage({ original: true })
.then((src) => {
wx.previewImage({
current: '', // 当前显示图片的http链接
urls: [src] // 需要预览的图片http链接列表
})
})
.catch(e => {
console.error('获取图片失败')
})
}
},
mounted () {
wecropper = this.$refs.cropper
}
}
</script>
<style>
.cropper-wrapper{
position: relative;
display: flex;
flex-direction: row;
justify-content: space-between;
align-items: center;
justify-content: center;
height: 100%;
background-color: #e5e5e5;
}
.cropper-buttons{
display: flex;
flex-direction: row;
justify-content: space-between;
align-items: center;
position: absolute;
bottom: 0;
left: 0;
width: 100%;
height: 50px;
padding: 0 20rpx;
box-sizing: border-box;
line-height: 50px;
}
.cropper-buttons .upload, .cropper-buttons .getCropperImage{
text-align: center;
}
.cropper{
position: absolute;
top: 0;
left: 0;
}
.cropper-buttons{
background-color: rgba(0, 0, 0, 0.95);
}
.btn{
height: 30px;
line-height: 30px;
padding: 0 24rpx;
border-radius: 2px;
color: #ffffff;
}
</style>
```
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