标签：des http io 使用 ar java for strong sp
avalon的过滤器是参考自angular与rivets。它也被称做管道文本过滤器，它的处理对象只能是文本（字符串），它只能用在文本绑定中，并且只能是双花括号形式。下面是各大家的过滤器比较：
rivetsjs
<span rv-text="event.startDate | date"></span>
<input rv-value="item.price | currency">
<span rv-text="billing.cardNumber | mask 4 4 ********"></span>
angularjs
<b>{{ "lower cap string" | uppercase }}</b>
<span>{{ {foo: "bar", baz: 23} | json }}</span>
{{ 1304375948024 | date }}
{{ 1304375948024 | date:"MM/dd/yyyy @ h:mma" }}
{{ expression | filter1 | filter2 | ... }}
avalon.js
{{aaa | uppercase }}
{{12345| number}}
<div>{{ prop | filter1 | filter2 | filter3(args, args2) | filter4(args)}}</div>
生成于{{ 1373021259229 | date("yyyy MM dd:HH:mm:ss")}}
avalon的传参是通过小括号实现，多个参数用逗号隔开，这与JS的方法调用相似，力求减少学习成本。
avalon自带以下几个过滤器
‘yyyy‘: 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010) ‘yy‘: 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10) ‘y‘: 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199) ‘MMMM‘: Month in year (January-December) ‘MMM‘: Month in year (Jan-Dec) ‘MM‘: Month in year, padded (01-12) ‘M‘: Month in year (1-12) ‘dd‘: Day in month, padded (01-31) ‘d‘: Day in month (1-31) ‘EEEE‘: Day in Week,(Sunday-Saturday) ‘EEE‘: Day in Week, (Sun-Sat) ‘HH‘: Hour in day, padded (00-23) ‘H‘: Hour in day (0-23) ‘hh‘: Hour in am/pm, padded (01-12) ‘h‘: Hour in am/pm, (1-12) ‘mm‘: Minute in hour, padded (00-59) ‘m‘: Minute in hour (0-59) ‘ss‘: Second in minute, padded (00-59) ‘s‘: Second in minute (0-59) ‘a‘: am/pm marker ‘Z‘: 4 digit (+sign) representation of the timezone offset (-1200-+1200) format string can also be one of the following predefined localizable formats: ‘medium‘: equivalent to ‘MMM d, y h:mm:ss a‘ for en_US locale (e.g. Sep 3, 2010 12:05:08 pm) ‘short‘: equivalent to ‘M/d/yy h:mm a‘ for en_US locale (e.g. 9/3/10 12:05 pm) ‘fullDate‘: equivalent to ‘EEEE, MMMM d,y‘ for en_US locale (e.g. Friday, September 3, 2010) ‘longDate‘: equivalent to ‘MMMM d, y‘ for en_US locale (e.g. September 3, 2010 ‘mediumDate‘: equivalent to ‘MMM d, y‘ for en_US locale (e.g. Sep 3, 2010) ‘shortDate‘: equivalent to ‘M/d/yy‘ for en_US locale (e.g. 9/3/10) ‘mediumTime‘: equivalent to ‘h:mm:ss a‘ for en_US locale (e.g. 12:05:08 pm) ‘shortTime‘: equivalent to ‘h:mm a‘ for en_US locale (e.g. 12:05 pm)
例子：
<!DOCTYPE html>
<html>
<head>
<title>filter</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
<script src="avalon.js"></script>
<script>
avalon.define({
$id: "test"
})
</script>
</head>
<body ms-controller="test">
<p>生成于{{new Date | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>生成于{{ "2011/07/08" | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>生成于{{ "2011-07-08" | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>生成于{{ "01-01-2000" | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>生成于{{ "03 04,2000" | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>生成于{{ "3 4,2000" | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>生成于{{ 1373021259229 | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>生成于{{ "1373021259229" | date("yyyy MM dd:HH:mm:ss")}}</p>
<p>值得注意的是，new Date可传的格式类型非常多，但不是所有浏览器都支持这么多，
详看<a href="http://dygraphs.com/date-formats.html">这里</a></p>
</body>
</html>
如果想自定义过滤器，可以这样做：
avalon.filters.myfilter = function(str, args, args2){//str为管道符之前计算得到的结果，默认框架会帮你传入，此方法必须返回一个值
/* 具体逻辑 */
return ret;
}
如果想格式化表单控件的值，请使用$watch回调。
标签：des http io 使用 ar java for strong sp
原文地址：http://www.cnblogs.com/rubylouvre/p/4018538.html
