vue自带过滤器

来源：互联网发布：nba2k16帅气捏脸数据编辑：程序博客网时间：2024/05/08 18:03

一过滤器写法

二 Vue自带的过滤器:capitalize

功能:首字母大写

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>Vue自带的过滤器</title>        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />        <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>    </head>    <body>        <div class="test">            {{message | capitalize}}        </div>        <script type="text/javascript">            var myVue = new Vue({                el: ".test",                data: {                    message: "abc"                }            })        </script>    </body></html>

上面代码输出:Abc

三 Vue自带的过滤器:uppercase

功能:全部大写

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>Vue自带的过滤器</title>        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />        <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>    </head>    <body>        <div class="test">            {{message | uppercase}}        </div>        <script type="text/javascript">            var myVue = new Vue({                el: ".test",                data: {                    message: "abc"                }            })        </script>    </body></html>

上面代码输出:ABC

四 Vue自带的过滤器:uppercase

功能:全部小写

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>Vue自带的过滤器</title>        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />        <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>    </head>    <body>        <div class="test">            {{message | lowercase}}        </div>        <script type="text/javascript">            var myVue = new Vue({                el: ".test",                data: {                    message: "ABC"                }            })        </script>    </body></html>

上面代码输出:abc

五 Vue自带的过滤器:currency

功能:输出金钱以及小数点

参数:

第一个参数 {String} [货币符号] - 默认值: '$'

第二个参数 {Number} [小数位] - 默认值: 2

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>Vue自带的过滤器</title>        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />        <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>    </head>    <body>        <div class="test">            {{message | currency}} <!--输出$123.47-->            {{message | currency '¥' "1"}} <!--输出$123.5-->        </div>        <script type="text/javascript">            var myVue = new Vue({                el: ".test",                data: {                    message: "123.4673"                }            })        </script>    </body></html>

六 Vue自带的过滤器:pluralize

功能: 如果只有一个参数，复数形式只是简单地在末尾添加一个 “s”。如果有多个参数，参数被当作一个字符串数组，对应一个、两个、三个…复数词。如果值的个数多于参数的个数，多出的使用最后一个参数。

参数：{String} single, [double, triple, ...

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>Vue自带的过滤器</title>        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />        <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>    </head>    <body>        <div class="test">        {{message}}    {{message | pluralize 'item'}} <!--输出: 1 item-->                    <ul v-for="item in lili">                <li>                    {{item}}    {{item | pluralize 'item'}} <!--输出: 1    item 2    items 3    items-->                </li>            </ul>                        <ul v-for="item in lili">                <li>                    {{item}}    {{item | pluralize 'st' 'rd'}} <!--输出: 1    st 2    rd 3    rd-->                </li>            </ul>                        <ul v-for="item in man">                <li>                    {{item}}    {{item | pluralize 'item'}} <!--输出: 1    item 2    items 3    items-->                </li>            </ul>                        <ul v-for="item in man">                <li>                    {{item}}    {{item | pluralize 'st' 'rd'}} <!--输出: 1    st 2    rd 3    rd-->                </li>            </ul>        </div>        <script type="text/javascript">            var myVue = new Vue({                el: ".test",                data: {                    message: 1,                    lili: [1,2,3],                    man: {                        name1: 1,                        name2: 2,                        name3: 3                    }                }            })        </script>    </body></html>

七 Vue自带的过滤器:debounce

(1)限制：需在@里面使用

(2)参数:{Number} [wait] - 默认值： 300

(3)功能：包装处理器，让它延迟执行 x ms，默认延迟 300ms。包装后的处理器在调用之后至少将延迟 x ms，如果在延迟结束前再次调用，延迟时长重置为 x ms。

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>Vue自带的过滤器</title>        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />        <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>    </head>    <body>        <div class="test">            <button id="btn" @click="disappear | debounce 10000">点击我,我将10秒后消失</button>        </div>        <script type="text/javascript">            var myVue = new Vue({                el: ".test",                methods: {                    disappear: function () {                        document.getElementById("btn").style.display= "none";                    }                }            })        </script>    </body></html>

八 Vue自带的过滤器:limitBy

(1)限制:需在v-for(即数组)里面使用

(2)两个参数:

第一个参数:{Number} 取得数量

第二个参数:{Number} 偏移量

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>Vue自带的过滤器</title>        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />        <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>    </head>    <body>        <div class="test">            <ul v-for="item in lili | limitBy 10"> <!--输出1 2 3 4 5 6 7 8 9 10-->                <li>{{item}}</li>            </ul>            <ul v-for="item in lili | limitBy 10 3"> <!--输出 4 5 6 7 8 9 10 11 12 13-->                <li>{{item}}</li>            </ul>        </div>        <script type="text/javascript">            var myVue = new Vue({                el: ".test",                data: {                    lili: [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]                }            })        </script>    </body></html>

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