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miniprogram-cropper
Advanced tools
小程序自定义组件:图片裁剪工具
使用此组件需要依赖小程序基础库 2.2.1 以上版本,同时依赖开发者工具的 npm 构建。具体详情可查阅官方 npm 文档
npm install miniprogram-cropper --save
page.json
中添加自定义组件{
"usingComponents": {
"miniprogram-cropper": "miniprogram-cropper"
}
}
WXML
中引用自定义组件<miniprogram-cropper id="crop" options="{{cropperOpt}}">
</miniprogram-cropper>
onLoad () {
this.crop = this.selectComponent('#crop')
}
// 载入图片
this.crop.pushOrign(tempFilePath)
// 获取裁剪图片
this.crop.getCropperImage()
.then(function (path) {
// Todo
})
page.wxml
<comp id="crop" options="{{cropperOpt}}"></comp>
<view
class="cropper-buttons"
:style="{ color:cropperOpt.boundStyle.color}">
<view
class="upload btn"
bindtap="uploadTap">
上传图片
</view>
<view
class="getCropperImage btn"
:style="{ backgroundColor: cropperOpt.boundStyle.color }"
bindtap="getCropperImage">
生成图片
</view>
</view>
page.js
const device = wx.getSystemInfoSync()
const width = device.windowWidth
const height = device.windowHeight - 50
Page({
crop: null,
data: {
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: '#ffffff',
mask: 'rgba(0,0,0,0.8)',
lineWidth: 1
}
}
},
uploadTap () {
const self = this
if (this.crop) {
wx.chooseImage({
count: 1, // 默认9
sizeType: ['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
self.crop.pushOrign(src)
}
})
}
},
getCropperImage () {
this.crop.getCropperImage()
.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(() => {
console.log('获取图片地址失败,请稍后重试')
})
},
onLoad () {
this.crop = this.selectComponent('#crop')
}
})
MIT License
FAQs
The npm package miniprogram-cropper receives a total of 4 weekly downloads. As such, miniprogram-cropper popularity was classified as not popular.
We found that miniprogram-cropper demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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