带参数的过滤器
过滤器案例：格式化日期
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div id="app">
<div>{{date | format('yyyy-MM-dd')}}</div>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
Vue.filter('format', function(value, arg) {
if(arg == 'yyyy-MM-dd') {
var ret = '';
ret += value.getFullYear() + '-' + (value.getMonth() + 1) + '-' + value.getDate();
return ret;
}
return value;
})
var vm = new Vue({
el: '#app',
data: {
date: new Date()
}
});
</script>
</body>
</html>
time.js
/**
* 对日期进行格式化，
* @param date 要格式化的日期
* @param format 进行格式化的模式字符串
* 支持的模式字母有：
* y:年,
* M:年中的月份(1-12),
* d:月份中的天(1-31),
* h:小时(0-23),
* m:分(0-59),
* s:秒(0-59),
* S:毫秒(0-999),
* q:季度(1-4)
* @return String
* @author yanis.wang
* @see http://yaniswang.com/frontend/2013/02/16/dateformat-performance/
*/
function dateFormat(date, format) {
if (typeof date === "string") {
var mts = date.match(/(\/Date\((\d+)\)\/)/);
if (mts && mts.length >= 3) {
date = parseInt(mts[2]);
}
}
date = new Date(date);
if (!date || date.toUTCString() == "Invalid Date") {
return "";
}
var map = {
"M": date.getMonth() + 1, //月份
"d": date.getDate(), //日
"h": date.getHours(), //小时
"m": date.getMinutes(), //分
"s": date.getSeconds(), //秒
"q": Math.floor((date.getMonth() + 3) / 3), //季度
"S": date.getMilliseconds() //毫秒
};
format = format.replace(/([yMdhmsqS])+/g, function(all, t) {
var v = map[t];
if (v !== undefined) {
if (all.length > 1) {
v = '0' + v;
v = v.substr(v.length - 2);
}
return v;
} else if (t === 'y') {
return (date.getFullYear() + '').substr(4 - all.length);
}
return all;
});
return format;
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div id="app">
<div>{{date | format('yyyy-MM-dd hh:mm:ss')}}</div>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
Vue.filter('format', function(value, arg) {
function dateFormat(date, format) {
if (typeof date === "string") {
var mts = date.match(/(\/Date\((\d+)\)\/)/);
if (mts && mts.length >= 3) {
date = parseInt(mts[2]);
}
}
date = new Date(date);
if (!date || date.toUTCString() == "Invalid Date") {
return "";
}
var map = {
"M": date.getMonth() + 1, //月份
"d": date.getDate(), //日
"h": date.getHours(), //小时
"m": date.getMinutes(), //分
"s": date.getSeconds(), //秒
"q": Math.floor((date.getMonth() + 3) / 3), //季度
"S": date.getMilliseconds() //毫秒
};
format = format.replace(/([yMdhmsqS])+/g, function(all, t) {
var v = map[t];
if (v !== undefined) {
if (all.length > 1) {
v = '0' + v;
v = v.substr(v.length - 2);
}
return v;
} else if (t === 'y') {
return (date.getFullYear() + '').substr(4 - all.length);
}
return all;
});
return format;
}
return dateFormat(value, arg);
})
var vm = new Vue({
el: '#app',
data: {
date: new Date()
}
});
</script>
</body>
</html>
