过滤器

参考地址

      <!-- uppercase 转换为大写 -->
      {{ 'true | false' | uppercase }}    <br>    <!-- TRUE | FALSE -->
      <!-- lowercase 转换为小写 -->
      {{ 'TRue | FalsE' | lowercase }}    <br>    <!-- true | false -->
      <!-- currency  格式化数字为货币格式(https://docs.angularjs.org/api/ng/filter/currency) -->
      {{ 2332.32 | currency }}            <br>    <!-- $2,332.32 -->
      {{ 2332.32 | currency:'¥ ' }}   <br>    <!-- ¥ 2,332.32  -->
      {{ 2332.32 | currency:'¥ ':1 }} <br>    <!-- ¥ 2,332.32  -->
      <!-- date 日期转换 [date](https://docs.angularjs.org/api/ng/filter/date) -->
      {{ 0 | date }}                      <br>    <!-- Jan 1, 1970 -->
      {{ 0 | date:'yyyy-MM-dd HH:mm:ss' }}<br>    <!-- 1970-01-01 08:00:00 -->
      {{ 0 | date:'yy-MM-dd HH:mm:ss' }}  <br>    <!-- 70-01-01 08:00:00 -->
      <!-- limitTo 现在字符串输出长度 -->
      {{ '@ True | False' | limitTo:4 }}  <br>    <!-- @ Tr -->
      {{ '@ True | False' | limitTo:-4 }} <br>    <!-- alse -->
      {{ '艾特@ True | False' | limitTo:5 }} <br> <!-- 艾特@ T -->
      <!-- json 【用于调试】,将javascript对象转换为json字符串 -->
      {{ {'ad':'wd','ed':'asd'} | json:4 }}  <br> <!-- 后面4表示缩进的空格数 -->
      <!-- number 格式化数字类型 -->
      {{ 123.123 | number:2 }}            <br>    <!-- 123.12 -->
      {{ 123.123 | number:0 }}            <br>    <!-- 123 -->
      <!-- orderBy 排序默认asc -->
      {{ [{"age": 20,"id": 10,"name": "iphone"},{"age": 12,"id": 11,"name": "sunm xing"},{"age":44,"id": 12,"name": "test abc"}] | orderBy:'id':true }} <br>
      <!-- 上、根据id字段降序(DESC)排序。(省略true默认ASE升序排序) -->
      {{ [{"age": 20,"id": 10,"name": "iphone"},{"age": 12,"id": 11,"name": "sunm xing"},{"age":44,"id": 12,"name": "test abc"}] | orderBy:'-id' }}
      <!-- 上、在怕徐字段处添加负号;表示降序(DESC)排序 -->
      <!-- filter 查找(从数组中选择一个子集)(https://docs.angularjs.org/api/ng/filter/filter) -->
      {{ [{"age": 20,"id": 10,"name": "iphone"},{"age": 12,"id": 11,"name": "sunm xing"},{"age": 44,"id": 12,"name": "test abc"}] | filter:{'name':'iphone',age:''} }}