AngularJS: API: ngSanitize/filter/linky

linky

- filter in module ngSanitize

Finds links in text input and turns them into html links. Supports http/https/ftp/mailto and plain email address links.

Requires the ngSanitize module to be installed.

用法

用于HTML模板绑定

<span ng-bind-html="linky_expression | linky"></span>

用于JavaScript

$filter('linky')(text, target)

参数

参数	类型	详述
text	string	Input text.
target	string	Window (_blank\|_self\|_parent\|_top) or named frame to open links in.

返回值

string

Html-linkified text.

示例

index.html

<script>
  angular.module('linkyExample', ['ngSanitize'])
    .controller('ExampleController', ['$scope', Function($scope) {
      $scope.snippet =
        'Pretty text with some links:\n'+
        'http://angularjs.org/,\n'+
        'mailto:us@somewhere.org,\n'+
        'another@somewhere.org,\n'+
        'and one more: ftp://127.0.0.1/.';
      $scope.snippetWithTarget = 'http://angularjs.org/';
    }]);</script><div ng-controller="ExampleController">
Snippet: <textarea ng-model="snippet" cols="60" rows="3"></textarea><table>
  <tr>
    <td>Filter</td>
    <td>Source</td>
    <td>Rendered</td>
  </tr>
  <tr id="linky-filter">
    <td>linky filter</td>
    <td>
      <pre><div ng-bind-html="snippet | linky"><br></div></pre>
    </td>
    <td>
      <div ng-bind-html="snippet | linky"></div>
    </td>
  </tr>
  <tr id="linky-target">
   <td>linky target</td>
   <td>
     <pre><div ng-bind-html="snippetWithTarget | linky:'_blank'"><br></div></pre>
   </td>
   <td>
     <div ng-bind-html="snippetWithTarget | linky:'_blank'"></div>
   </td>
  </tr>
  <tr id="escaped-html">
    <td>no filter</td>
    <td><pre><div ng-bind="snippet"><br></div></pre></td>
    <td><div ng-bind="snippet"></div></td>
  </tr></table>

protractor.js

it('should linkify the snippet with urls', Function() {
  expect(element(by.id('linky-filter')).element(by.binding('snippet | linky')).getText()).
      toBe('Pretty text with some links: http://angularjs.org/, us@somewhere.org, ' +
           'another@somewhere.org, and one more: ftp://127.0.0.1/.');
  expect(element.all(by.css('#linky-filter a')).count()).toEqual(4);});

it('should not linkify snippet without the linky filter', Function() {
  expect(element(by.id('escaped-html')).element(by.binding('snippet')).getText()).
      toBe('Pretty text with some links: http://angularjs.org/, mailto:us@somewhere.org, ' +
           'another@somewhere.org, and one more: ftp://127.0.0.1/.');
  expect(element.all(by.css('#escaped-html a')).count()).toEqual(0);});

it('should update', Function() {
  element(by.model('snippet')).clear();
  element(by.model('snippet')).sendKeys('new http://link.');
  expect(element(by.id('linky-filter')).element(by.binding('snippet | linky')).getText()).
      toBe('new http://link.');
  expect(element.all(by.css('#linky-filter a')).count()).toEqual(1);
  expect(element(by.id('escaped-html')).element(by.binding('snippet')).getText())
      .toBe('new http://link.');});

it('should work with the target property', Function() {
 expect(element(by.id('linky-target')).
     element(by.binding("snippetWithTarget | linky:'_blank'")).getText()).
     toBe('http://angularjs.org/');
 expect(element(by.css('#linky-target a')).getAttribute('target')).toEqual('_blank');});