How to implement page adaptation in angularjs?-JS Tutorial-php.cn

How to implement page adaptation in angularjs?

亚连

Release： 2018-06-11 16:18:37

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This article mainly introduces the method of adaptive height of angularjs page. Now I will share it with you and give you a reference.

Requirements

In the business system built with angularjs, page jumps are implemented through ui-view routing. After initializing and entering the system, the content area on the right needs adaptive browsing. device height.

Implementation plan

Add directive to p where ui-view is located, calculate the height of p through element.css initialization in the directive, and update it dynamically p height
Directive monitors ($$watch)angular's $digest, obtains the body height in real time, and dynamically assigns model or element.css changes

Option 1: Add directive and element.css adaptive height

1. Create directive

define([ "app" ], function(app) {
  app.directive(&#39;autoHeight&#39;,function ($window) {
    return {
      restrict : &#39;A&#39;,
      scope : {},
      link : function($scope, element, attrs) {
        var winowHeight = $window.innerHeight; //获取窗口高度
        var headerHeight = 80;
        var footerHeight = 20;
        element.css(&#39;min-height&#39;,
            (winowHeight - headerHeight - footerHeight) + &#39;px&#39;);
      }
    };
  });
  return app;
});

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2.p element add directive

<p ui-view auto-height></p>

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3 .Rendering

Original interface: The height of the right area is adaptive content, resulting in a black background color below

After adjustment: The right area Height-adaptive browser

Option 2: $watch monitors the body height and assigns a value to change the height

1. Create a resize directive

var app = angular.module(&#39;miniapp&#39;, []);

function AppController($scope) {
  /* Logic goes here */
}

app.directive(&#39;resize&#39;, function ($window) {
  return function (scope, element) {
    var w = angular.element($window);
    scope.getWindowDimensions = function () {
      return { &#39;h&#39;: w.height(), &#39;w&#39;: w.width() };
    };
    scope.$watch(scope.getWindowDimensions, function (newValue, oldValue) {
      scope.windowHeight = newValue.h;
      scope.windowWidth = newValue.w;

      scope.style = function () {
        return { 
          &#39;height&#39;: (newValue.h - 100) + &#39;px&#39;,
          &#39;width&#39;: (newValue.w - 100) + &#39;px&#39; 
        };
      };

    }, true);

    w.bind(&#39;resize&#39;, function () {
      scope.$apply();
    });
  }
})

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2. Add the resize directive to the p element

<p ng-app="miniapp" ng-controller="AppController" ng-style="style()" resize>
  window.height: {{windowHeight}} <br />
  window.width: {{windowWidth}} <br />
</p>

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The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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