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AngularJS学习笔记之基本指令(init、repeat)

2019-11-20 12:14:37
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AngularJS学习笔记之基本指令(init、repeat)

<h3>ng-init初始化变量</h3><div ng-init="name='aurora';age='18'">  <p ng-bind="name+','+age"></p>  <p>{{name+','+age}}</p>  <p ng-bind="name"></p>  <p ng-bind="age"></p></div><h3>ng-init初始化对象</h3><div ng-init="hero={name:'aurora',role:'sup',line:'不管刮风还是下雨,太阳照常升起'}">  <p ng-bind="hero.name+','+hero.role+','+hero.line"></p>  <p ng-bind="hero.name"></p>  <p ng-bind="hero.role"></p>  <p ng-bind="hero.line"></p></div><h3>ng-init初始化数组</h3><div ng-init="heros=['曙光女神','堕落天使','魂锁典狱长']">  <p ng-bind="heros[0]+','+heros[1]+','+heros[2]"></p>  <p ng-bind="heros[0]"></p>  <p ng-bind="heros[1]"></p>  <p ng-bind="heros[2]"></p></div> <h3>ng-controller控制器</h3><div ng-controller="contr-2">  First Name: <input type="text" ng-model="firstName">  Last Name: <input type="text" ng-model="lastName">  Full Name : <span>{{firstName + "," + lastName}}</span>  Full Name : <span ng-bind="firstName + ',' + lastName"></span>  </div> <h3>ng-repeat遍历无重复集合</h3><div ng-init="names=[1,2,3]"> <ul>  <li ng-repeat="x in names">   {{x}}  </li> </ul></div><h3>ng-repeat遍历重复集合</h3><div ng-init="number=[1,2,2,3]"> <ul>  <li ng-repeat="x in number track by $index">   {{x}}  </li> </ul></div><h3>ng-repeat遍历对象</h3><div ng-controller="contr-3">   <ul>    <li ng-repeat="(key,value) in object track by $index">     {{key+":"+value}}    </li>   </ul></div><h3>ng-repeat遍历对象(按原有顺序)</h3><div ng-controller="contr-4">   <ul ng-repeat="obj in objs ">    <li ng-repeat="(key,value) in obj ">     {{key+":"+value}}    </li>   </ul></div><h3>ng-repeat遍历对象(属性详解)</h3><table ng-controller="contr-5">  <tr ng-repeat="(key, value) in objs ">    <td>学号:      <span ng-bind="$index"></span>    </td>    <td>      <span ng-bind="key"></span>:      <span ng-bind="value"></span>    </td>    <td>是否为奇数?      <span ng-bind="$odd"></span>    </td>    <td>是否为偶数?      <span ng-bind="$even"></span>    </td>    <td>排行是老大?      <span ng-bind="$first"></span>    </td>    <td>排行最小?      <span ng-bind="$last"></span>    </td>    <td>排行中间?      <span ng-bind="$middle"></span>    </td>  </tr></table><h3>ng-repeat start/end</h3><div ng-controller="contr-6">  <div ng-repeat-start="(key,value) in objs">    <p>学号:      <span ng-bind="$index"></span>    </p>    <p>      <span ng-bind="key"></span>:      <span ng-bind="value"></span>    </p>  </div>  <div ng-repeat-end></div></div>

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