• angular指令的简单练习


    <!DOCTYPE html>
    <html lang="en">
    <head>
      <meta charset="UTF-8">
      <title>quick work</title>
      <script type="text/javascript" src="../jquery.js"></script>
      <script type="text/javascript" src="../angular-1.4.1/angular-1.4.1/angular.js"></script>
      <style type="text/css">
        *{
          margin: 0 auto;
          padding: 0px;
        }
        li{
          list-style: none;
        }
        .total {
           640px;
          height: auto;
          border:1px solid #333;
        }
        .total_top{
          border : 1px solid #333;
          margin: 20px;
          height: 100px;
          overflow: hidden;
        }
        .total_bottom {
           100%;
          height: 60px;
          border-top: 1px solid #333;
          display: inline-flex;
          align-items: center;
        }
        ul {
           400%;
          height: 100px;
          overflow: hidden;
        }
        .moveDiv{
          height: 100px;
           100%;
        }
        ul li{
          height: 100%;
          display: block;
          float: left;
        }
        .total_bottom span {
          font-size: 20px;
          color: #000;
          display: block;
           60px;
          height: 60px;
          text-align: center;
          line-height: 60px;
          cursor: pointer;
          margin: 0px;
        }
        .total_bottom_left{
          border-right: 1px solid #333;
          float: left;
          
        }
        .total_bottom_right{
          border-left: 1px solid #333;
          float: right;
          
        }
        .bottom_cen {
          margin: 0 auto;
          text-align: center;
          float: left;
        }
        .bottom_cen a{
           15px;
          height: 5px;
          background-color: #000;
          float: left;
          margin-right: 10px;
        }
      </style>
    </head>
    <body ng-app = "quickApp">
        <div ng-controller = "quickController">
            <div class="total">
              <total-content dataset-data = "totalData" li-width = "width" clickindex = "clickM(index)"></total-content>
              <!-- <div class="total_top">
                <ul>
                  <li ng-repeat = "data in totalData">{{data.content}}</li>
                </ul>
              </div>
              <div>
               
                <quick-boor dataset-data = "totalData" ></quick-boor>
              </div> -->
            </div>
        </div>
    </body>
    <script type="text/javascript">
      var app =angular.module("quickApp",[]);
      app.controller("quickController",function($scope,$timeout){
        $timeout(function() {
          angular.element(".total_top ul li").css({"width" : $(".total_top").width() + "px"});
          $scope.width = $(".total_top").width();
        });
        $scope.totalData = [{
          "content" : "111111111"
        },{
          "content" : "222222222"
        },{
          "content" : "3333333333"
        }];
        // --------1
        // $scope.clickM = function(index){
        //   angular.element(".total_top ul").stop().animate({marginLeft : - $scope.width * index + "px"},500);
        // }
      })
      .directive("totalContent",function($timeout){
        return {
          restrict : 'E',
          replace : true,
          scope : {
            datasetData : "=",
            liWidth : "="
            // liWidth : "=",   ------1
            // clickindex : "&"   -----1
          },
          template : '<div><div class="total_top">'+
                '<ul>'+
                  '<li ng-repeat = "data in datasetData">{{data.content}}</li>'+
                '</ul>'+
                '</div><div class="total_bottom">' + 
                  '<span class="total_bottom_left" ng-click = "onClickLeft()"><</span>'+
                  '<div class="bottom_cen">' +
                  // ng-click="clickindex({index : $index})   1
                    '<a href="#" ng-repeat = "data in datasetData" ng-click="clickindex($index)"></a>' +  
                  '</div>' +
                  '<span class="total_bottom_right" ng-click = "onClickRight()">></span>' +
                '</div>' + 
              '</div></div>',
          link : function(scope,elem,attrs) {
            // $timeout(function() {
            //   angular.element(".total_top ul li").css({"width" : angular.element(".total_top").width() + "px"});
            //   scope.width = angular.element(".total_top").width();
            // });
    
            scope.index = 0;
            
            scope.clickindex = function(index){
              scope.index = index
              angular.element(".total_top ul").stop().animate({marginLeft : - scope.liWidth * index + "px"},500);
            }
            scope.onClickLeft = function(){
              if(scope.index < angular.element(".total_top ul li").length - 1 && scope.index >= 0){
                scope.index ++;
                angular.element(".total_top ul").stop().animate({marginLeft : - scope.liWidth * scope.index + "px"},500);
                
              }
              
            }
            scope.onClickRight = function(){
              if(scope.index <= angular.element(".total_top ul li").length - 1 && scope.index > 0){
                scope.index --;
                angular.element(".total_top ul").stop().animate({marginLeft : - scope.liWidth * scope.index + "px"},500);
                
              }
            }
          }
        }
      })
    </script>
    </html>
    

    一个简单的指令练习,主要实现的功能是点击事件,内容滚动。

    点击左右的方框箭头,可以使内容滚动,或者点击中间的小长方形条,也可以使得内容滚动起来。

    如下图是界面显示效果  

    对于指令中的作用域 “”=“”:表示与父scope中的属性进行双向数据绑定

    对于指令中的作用域 “”&“”:表示与父scope中的函数进行传递,稍后进行调用

    对于指令中的作用域 “”@“”:表示把当前属性作为字符串传递实现指令与html页面元素关联

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  • 原文地址:https://www.cnblogs.com/maxiaodan/p/7899374.html
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