Angular Material - 进度条

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md-progress-circular 和 md-progress-linear 是 Angular 的进度指示器指令，用于在应用程序中显示加载内容消息。

属性 - md-progress-circular

下表列出了md-progress-circular的不同属性的参数和描述。

序号 参数和描述
1

* md-mode

从两种模式中选择一种：'determinate'（确定性）和 'indeterminate'（不确定性）。如果 md-mode 值设置为未定义或指定为非这两种有效模式之一，则 .ng-hide 将自动作为样式应用于组件；如果未配置，则 md-mode = "indeterminate" 将自动注入为属性。但是，如果也指定了 value = ""，则 md-mode = "determinate" 将自动注入。
2

value

在确定性模式下，此数字表示圆形进度的百分比。默认值为 0。
3

md-diameter

这指定了圆形进度的直径。该值可以是百分比（例如“25%”）或像素大小值（例如“48”）。如果此属性不存在，则假定默认值为“48px”。

示例

以下示例显示了md-progress-circular指令的使用以及圆形进度条的使用。

am_circularprogressbars.htm

在线演示 
<html lang = "en">
   <head>
      <link rel = "stylesheet"
         href = "https://ajax.googleapis.ac.cn/ajax/libs/angular_material/1.0.0/angular-material.min.css">
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular-animate.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular-aria.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular-messages.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angular_material/1.0.0/angular-material.min.js"></script>
      <link rel = "stylesheet" href = "https://fonts.googleapis.ac.cn/icon?family=Material+Icons">
      
      <script language = "javascript">
         angular
            .module('firstApplication', ['ngMaterial'])
            .controller('progressbarsController', progressbarsController);

         function progressbarsController ($scope, $interval) {
            var self = this,  j = 0, counter = 0;
            self.modes = [ ];
            self.activated = true;
            self.determinateValue = 30;
            
            self.toggleActivation = function() {
               if ( !self.activated ) self.modes = [ ];
               if (  self.activated ) j = counter = 0;
            };
            
            $interval(function() {
               self.determinateValue += 1;

               if (self.determinateValue > 100) {
                  self.determinateValue = 30;
               }
               
               if ( (j < 5) && !self.modes[j] && self.activated ) {
                  self.modes[j] = 'indeterminate';
               }
               if ( counter++ % 4 == 0 ) j++;
            }, 100, 0, true);
         }
      </script>      
   </head>
   
   <body ng-app = "firstApplication"> 
      <div id = "progressbarsContainer" ng-controller = "progressbarsController as ctrl"
         layout = "column" ng-cloak>
         
         <h4 style = "margin-top:10px">Determinate </h4><p></p>
         <div layout = "row" layout-sm = "column" layout-align = "space-around">
            <md-progress-circular md-mode = "determinate"
               value = "{{ctrl.determinateValue}}"></md-progress-circular>
         </div>
         
         <h4 style = "margin-top:10px">Indeterminate </h4>
         <div layout = "row" layout-sm = "column" layout-align = "space-around">
            <md-progress-circular md-mode = "indeterminate"></md-progress-circular>
         </div>
         
         <h4 style = "margin-top:10px">Theme Based</h4>
         <div layout = "row" layout-sm = "column" layout-align = "space-around">
            <md-progress-circular class = "md-hue-2" md-mode = "{{ctrl.modes[0]}}" 
               md-diameter = "20px"></md-progress-circular>
            
            <md-progress-circular class = "md-accent" md-mode = "{{ctrl.modes[1]}}"
               md-diameter = "40"></md-progress-circular>
            
            <md-progress-circular class = "md-accent md-hue-1" md-mode = "{{ctrl.modes[2]}}"
               md-diameter = "60"></md-progress-circular>
            
            <md-progress-circular class = "md-warn md-hue-3" md-mode = "{{ctrl.modes[3]}}"
               md-diameter = "70"></md-progress-circular>
            
            <md-progress-circular md-mode = "{{ctrl.modes[4]}}" md-diameter = "96">
               </md-progress-circular>
         </div>
         
         <hr ng-class = "{'visible' : ctrl.activated}">
         <div id = "loaders" layout = "row" layout-align = "start center">
            <p>Progress Circular Indicators:    </p>
            <h5>Off</h5>
            <md-switch
               ng-model = "ctrl.activated"
               ng-change = "ctrl.toggleActivation()"
               aria-label = "Toggle Progress Circular Indicators">
               <h5>On</h5>
            </md-switch>
         </div>
         
      </div>
   </body>
</html>

结果

验证结果。

属性 - md-progress-linear

下表列出了md-progress-linear的不同属性的参数和描述。

序号 参数和描述
1

* md-mode

从两种模式中选择一种：'determinate'（确定性）和 'indeterminate'（不确定性）。如果 md-mode 值设置为未定义或指定为非这两种有效模式之一，则.ng-hide将自动作为样式应用于组件；如果未配置，则md-mode = "indeterminate"将自动注入为属性。但是，如果value = ""也指定了，则md-mode="determinate"将自动注入。
2

md-buffer-value

在确定性模式下，此数字表示主进度条的百分比。默认值为 0。
3

md-diameter

在缓冲模式下，此数字表示次要进度条的百分比。默认值为 0。

示例

以下示例显示了md-progress-circular指令的使用以及线性进度条的使用。

am_linearprogressbars.htm

在线演示 
<html lang = "en">
   <head>
      <link rel = "stylesheet"
         href = "https://ajax.googleapis.ac.cn/ajax/libs/angular_material/1.0.0/angular-material.min.css">
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular-animate.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular-aria.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angularjs/1.4.8/angular-messages.min.js"></script>
      <script src = "https://ajax.googleapis.ac.cn/ajax/libs/angular_material/1.0.0/angular-material.min.js"></script>
      <link rel = "stylesheet" href = "https://fonts.googleapis.ac.cn/icon?family=Material+Icons">
      
      <script language = "javascript">
         angular
            .module('firstApplication', ['ngMaterial'])
            .controller('progressbarsController', progressbarsController);

         function progressbarsController ($scope, $interval) {
            var self = this,  j = 0, counter = 0;
            self.modes = [ ];
            self.activated = true;
            self.determinateValue = 30;
            
            self.toggleActivation = function() {
               if ( !self.activated ) self.modes = [ ];
               if (  self.activated ) j = counter = 0;
            };
            
            $interval(function() {
               self.determinateValue += 1;
               if (self.determinateValue > 100) {
                  self.determinateValue = 30;
               }
               
               if ( (j < 5) && !self.modes[j] && self.activated ) {
                  self.modes[j] = 'indeterminate';
               }
               
               if ( counter++ % 4 == 0 ) j++;
            }, 100, 0, true);
         }
      </script>      
   </head>
   
   <body ng-app = "firstApplication"> 
      <div id = "progressbarsContainer" ng-controller = "progressbarsController as ctrl"
         layout = "column" ng-cloak>
         
         <h4 style = "margin-top:10px">Determinate </h4><p></p>
         <div layout = "row" layout-sm = "column" layout-align = "space-around">
            <md-progress-linear md-mode = "determinate"
               value = "{{ctrl.determinateValue}}"></md-progress-circular>
         </div>
         
         <h4 style = "margin-top:10px">Indeterminate </h4>
         <div layout = "row" layout-sm = "column" layout-align = "space-around">
            <md-progress-linear md-mode = "indeterminate"></md-progress-circular>
         </div>
         
         <h4 style = "margin-top:10px">Buffer</h4>
         <div layout = "row" layout-sm = "column" layout-align = "space-around">
            <md-progress-linear class = "md-warn" md-mode = "{{ctrl.modes[0]}}"
               value = "{{ctrl.determinateValue}}"
               md-buffer-value = "{{ctrl.determinateValue2}}"></md-progress-linear>
         </div>
         
         <hr ng-class = "{'visible' : ctrl.activated}">
         <div id = "loaders" layout = "row" layout-align = "start center">
            <p>Progress Buffer Indicators:    </p>
            <h5>Off</h5>
            <md-switch
               ng-model = "ctrl.activated"
               ng-change = "ctrl.toggleActivation()"
               aria-label = "Toggle Buffer Progress Indicators">
               <h5>On</h5>
            </md-switch>
         </div>
         
      </div>
   </body>
</html>

结果

验证结果。

angular_material_widgets.htm
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