先来一个简单的
<style> .sweepstake { color: orange; font-size: 24px; font-weight: bold; } </style> <script src="http://files.cnblogs.com/rubylouvre/avalon2014123.js"> </script> <script> var id var vm = avalon.define({ $id: "test", number: 100, click: function() { if (!id) { id = setInterval(function() { vm.number-- if (vm.number === 0) { clearInterval(id) id = null } }, 100) } } }) </script> <div ms-controller="test"> <p class="sweepstake">{{number}} </p> <p><button type="button" ms-click="click">xxx</button></p> </div>
{{number}}
再来一个复杂的有动画效果的柏青哥
<!DOCTYPE html> <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width"> <script src="avalon.js"> </script> <style> .pachinko{ height: 40px; 245px; border: 5px solid black; padding: 15px; } .pachinko .cell{ margin-right: 20px; position: relative; float: left; border: 1px solid blueviolet; 30px; height: 40px; overflow:hidden } .pachinko .cell.last{ margin-right: 0px; } .pachinko .cell .top{ position: absolute; display: block; top: 0px; left: 0px; text-align: center; line-height: 40px; 30px; height: 40px; } .pachinko .cell .middle{ position: absolute; display: block; top: -40px; left: 0px; text-align: center; line-height: 40px; 30px; height: 40px; } </style> <script> var id var vm = avalon.define({ $id: "test", array: [{number: 9}, {number: 9}, {number: 9}, {number: 9}, {number: 9}], subtractOne: function(a) { var a = a - 1 if (a < 0) { a = 9 } return a }, distance: 0, //0-40 每个格子都高40px, 那么top的移动距离也是40, 其初始值为0 start: function() { for (var i = 0, n = vm.array.length; i < n; i++) { vm.array[i].number = Math.floor(Math.random() * 10) } if (!id) { id = setInterval(function() { vm.distance += 5 if (vm.distance > 50) { vm.distance = 0 for (var i = 0, n = vm.array.length; i < n; i++) { vm.array[i].number += 1 if(vm.array[i].number > 9){ vm.array[i].number = 0 } } } }, 20) } }, stop: function() { if (id) { clearInterval(id) id = null } vm.distance = 0 } }) </script> </head> <body ms-controller="test"> <div class="pachinko"> <div ms-repeat="array" class="cell" ms-class="last: $last"> <span class="top" ms-css-top="distance-40">{{subtractOne(el.number)}}</span> <span class="middle" ms-css-top="distance">{{el.number}}</span> </div> </div> <p><button type="button" ms-click="start">start</button><button type="button" ms-click="stop">stop</button></p> </body> </html>
{{subtractOne(el.number)}}
{{el.number}}
简单说一下原理,表面上只有五个格子,其实为了出现更好的过渡效果,总共有10个格子。其中有五个位于另五个的上方,然后动画就是改变格子的top样式值就行了。对应avalon,就是改vm中的distance属性值, 它会在定时器里面快速地递加,一直加到50就归零。而格子里面的值,在第一次点击时进行第一次洗牌,然后每当格子快跌出可视区后再递增一,当它大于10时,就变回0。这样不断变啊变,直到用户点了stop按钮就才得结果。