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这篇文章主要为大家展示了“AngularJs+Bootstrap如何实现计算器”，内容简而易懂，条理清晰，希望能够帮助大家解决疑惑，下面让小编带领大家一起研究并学习一下“AngularJs+Bootstrap如何实现计算器”这篇文章吧。
HTML代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>计算器</title>
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css"/>
<link rel="stylesheet" type="text/css" href="css/style.css" />
</head>
<body>
<div ng-app="myApp" ng-controller="myController" class="row">
<div class="col-md-5 col-xs-5"></div>
<div class="col-md-4 col-xs-4">
<div id="a">
<div id="show">
<input type="text" name="show" ng-model="shuzi" value="{{shuzi}}" class="form-control" disabled/>
<input type="text" name="show" ng-model="jieguo" value="{{jieguo}}" class="form-control" disabled id="b"/>
</div>
<br />
<div class="row">
<div class="col-md-7 col-xs-7">
<button type="button" ng-click="num(7)" class="btn btn-default" id="but">7</button>
<button type="button" ng-click="num(8)" class="btn btn-default" id="but">8</button>
<button type="button" ng-click="num(9)" class="btn btn-default" id="but">9</button>
<button type="button" ng-click="num('/')" class="btn btn-default" id="but">÷</button>
<br/>
<button type="button" ng-click="num(4)" class="btn btn-default" id="but">4</button>
<button type="button" ng-click="num(5)" class="btn btn-default" id="but">5</button>
<button type="button" ng-click="num(6)" class="btn btn-default" id="but">6</button>
<button type="button" ng-click="num('*')" class="btn btn-default" id="but">x</button>
<br/>
<button type="button" ng-click="num(1)" class="btn btn-default" id="but">1</button>
<button type="button" ng-click="num(2)" class="btn btn-default" id="but">2</button>
<button type="button" ng-click="num(3)" class="btn btn-default" id="but">3</button>
<button type="button" ng-click="num('-')" class="btn btn-default" id="but">-</button>
<br/>
<button type="button" ng-click="num(0)" class="btn btn-default" id="but">0</button>
<button type="button" ng-click="reversal()" class="btn btn-default" id="but">±</button>
<button type="button" ng-click="num('.')" class="btn btn-default" id="but">.</button>
<button type="button" ng-click="num('+')" class="btn btn-default" id="but">+</button>
</div>
<div class="col-md-5 col-xs-5">
<button type="button" class="btn btn-primary btn-lg" ng-click="remove()" id="lgbut1">清零</button>
<br/>
<button type="button" class="btn btn-primary btn-lg" ng-click="js()" id="lgbut2">=</button>
</div>
</div>
</div>
</div>
<div class="col-md-4 col-xs-4"></div>
</div>
</body>
<script type="text/javascript" src="js/angular.1.6.3.js"></script>
<script type="text/javascript" src="js/bootstrap.min.js"></script>
<script type="text/javascript" src="js/jisuanqi.js"></script>
</html> AngularJs代码:
var myApp=angular.module("myApp",[]);
myApp.controller("myController",function($scope){
$scope.shuzi="";
$scope.jieguo=0;
$scope.num=function(num){
$scope.shuzi+=num;
}
$scope.js=function(){
$scope.jieguo=(eval($scope.shuzi));
}
$scope.reversal=function(){
if(eval($scope.shuzi)>0){
$scope.shuzi="-"+$scope.shuzi;
}else{
$scope.shuzi=$scope.shuzi.substring(1);
}
}
$scope.remove=function(){
$scope.shuzi="";
$scope.jieguo=0;
}
})效果图展示:
以上是“AngularJs+Bootstrap如何实现计算器”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注亿速云行业资讯频道！
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