AvatarUpload.vue
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<template>
<div class='container' :class='{hide: !show}'>
<mpvue-cropper
ref='cropper'
:option='cropperOpt'
@ready='cropperReady'
@beforeDraw='cropperBeforeDraw'
@beforeImageLoad='cropperBeforeImageLoad'
@beforeLoad='cropperLoad'
></mpvue-cropper>
<div class='cropper-buttons'>
<button v-if='!readyToConfirm' :disabled='waiting' @tap='exit' type='warn'>退出</button>
<button v-if='readyToConfirm' :disabled='waiting' @tap='back' type='primary'>返回</button>
<button v-else @tap='uploadTap' :disabled='waiting' type='primary'>重新上传</button>
<button v-if='readyToConfirm' :disabled='waiting' @tap='confirm' type='warn'>上传头像</button>
<button v-else :disabled='waiting' @tap='preview' type='primary'>确认</button>
</div>
</div>
</template>
<script>
import MpvueCropper from 'mpvue-cropper'
let wecropper
const device = wx.getSystemInfoSync();
const width = device.windowWidth;
let height = 0;
let mbbc;
try{
mbbc = wx.getMenuButtonBoundingClientRect()?wx.getMenuButtonBoundingClientRect():null;
if(!mbbc){
throw new Error('getMenuButtonBoundingClientRect error mbbc');
}else{
height = device.windowHeight - 10 - (mbbc.bottom + mbbc.top - device.statusBarHeight);
}
}catch (e) {
height = device.windowHeight - 10 - 44;
}
let originSrc = ''
let currentSrc = ''
export default {
props: { show: { default: false } },
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,.8)',
lineWidth: 1
}
},
readyToConfirm: false,
waiting: false
}
},
components: {
MpvueCropper
},
methods: {
cropperBeforeImageLoad (...args) {
console.log('before image load')
wx.hideLoading()
},
cropperLoad (...args) {
console.log('image loaded')
},
setInitialImg(src){
originSrc = src
wecropper.pushOrigin(src)
},
uploadTap () {
this.waiting = true
wx.showLoading({ title:'正在加载' })
wx.chooseImage({
count: 1,
sizeType: ['compressed'],
sourceType: ['album', 'camera'],
success: res => {
originSrc = res.tempFilePaths[0]
wecropper.pushOrigin(originSrc)
this.waiting = false
wx.hideLoading()
},
fail: err => {
this.waiting = false
wx.hideLoading()
}
})
},
back(){
wecropper.pushOrigin(originSrc)
this.readyToConfirm = false
this.waiting = false
wecropper.allowTouchmove()
},
preview () {
this.waiting = true
wx.showLoading({title:'正在生成'})
wecropper.getCropperImage((tempFilePath) => {
console.log(tempFilePath)
// tempFilePath 为裁剪后的图片临时路径
if (tempFilePath) {
// wx.previewImage({
// current: '',
// urls: [tempFilePath]
// })
wecropper.pushOrigin(tempFilePath)
this.readyToConfirm = true
currentSrc = tempFilePath
this.waiting = false
} else {
console.log('获取图片地址失败，请稍后重试')
}
})
},
confirm(){
this.$emit('confirm', currentSrc)
},
exit() {
this.$emit('exit')
this.clear()
},
startWaiting(){
this.waiting = true
},
stopWaiting(){
this.waiting = false
},
clear(){
originSrc = ''
currentSrc = ''
this.readyToConfirm = false
this.waiting = false
wecropper.allowTouchmove()
}
},
mounted () {
wecropper = this.$refs.cropper
}
}
</script>
<style lang='stylus' scoped>
.container
position fixed
top 0
left 0
Height_Width(100%)
display flex
flex-direction column
z-index 1
.cropper-buttons
Flex(flex,space-between,center)
// position fixed
// bottom 0
// left 0
flex auto
width 100%
padding 0 20rpx
box-sizing border-box
// background white
z-index 99999
button
height 30px
line-height 30px
margin 0
</style>