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微信小程序画布手写签名（一）

admin 180 2019-03-08 23:45:32

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                         <view class='content'>

<canvas class='firstCanvas'
canvas-id="firstCanvas"
bindtouchmove='move'
bindtouchstart='start'
bindtouchend='end'
bindtouchcancel='cancel'
bindlongtap='tap'
disable-scroll='true'
binderror='error'>
</canvas>

<button bindtap='clearClick'>清除</button>
<button bindtap='saveClick' >保存图片</button>
<image id='signatureImg' src='{{signImage}}'></image>

</view>
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