微信小程序中wxs文件的一些妙用分享

var toDecimal2 = function (x) {
  var f = parseFloat(x);
  if (isNaN(f)) {
    return '0.00'
  }
  var f = Math.round(x * 100) / 100;
  var s = f.toString();
  var rs = s.indexOf('.');
  if (rs < 0) {
    rs = s.length;
    s += '.';
  }
  while (s.length <= rs + 2) {
    s += '0';
  }
  return s;
}
module.exports = toDecimal2

<wxs src="./filter.wxs" module="filter"></wxs>
<text>{{filter(1)}}</text>

function touchstart(event) {
  var touch = event.touches[0] || event.changedTouches[0]
  startX = touch.pageX
  startY = touch.pageY
}

function touchmove(event, ins) {
  var touch = event.touches[0] || event.changedTouches[0]
  ins.selectComponent('.div').setStyle({
    left: startX - touch.pageX + 'px',
    top: startY - touch.pageY  + 'px'
  })
}

module.exports = {
  touchstart: touchstart,
  touchmove: touchmove,
}

<wxs module="action" src="./movable.wxs"></wxs> 
<view class="div" bindtouchstart="{{action.touchstart}}" bindtouchmove="{{action.touchmove}}"></view>

var dragStart = function (e, ins) {
	ins.callMethod('callback','sldkfj')
}

callback(e){
	console.log(e)
}
// sldkfj

handler(e){
	this.setData({a:1})
}

<wxs module="action" src="./movable.wxs"></wxs> 
<view change:prop="{{action.change}}" prop="{{a}}"></view>

change(newValue,oldValue){}

var dragStart = function (e) {
  var index = e.currentTarget.dataset.index;
  var index = e.instance.getDataset().index;
}