yelaixiang/utils/we-cropper/we-cropper.wxml

<template name="we-cropper">
    <canvas
            class="cropper"
            disable-scroll="true"
            bindtouchstart="touchStart"
            bindtouchmove="touchMove"
            bindtouchend="touchEnd"
            style="width:{{width}}px;height:{{height}}px;background-color: rgba(0, 0, 0, 0.8)"
            canvas-id="{{id}}">
    </canvas>
</template>