自定义constant服务
作用上等价于value服务,区别一旦定制完成,在注入使用前不能更改(多次定制相同constant服务,只有第一个生效)
语法:app数据模型.constant('自定义constant服务名',{})
代码示例:
<html ng-app='app' ng-controller='main' >
<head>
<meta charset="utf-8">
<meta name='viewport' content='width=device-width,user-scalable=no,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0'>
<title ng-bind='mainTitle'></title>
<!-- 引入百度地图 -->
<script src='js/angular.js'></script>
<script src='js/angular.route.min.js'></script>
<style>
</style>
</head>
<body >
<!-- 向全局变量存储内容 -->
<div class='div1' ng-controller='con'>
<input type="text" ng-model='msg'>
<button ng-click='submit(msg)'>保存</button>
</div>
<!-- 向全局变量获取内容 -->
<div class='div2' ng-controller='con2'>
<p ng-bind='showMsg'></p>
<button ng-click='download()'>下载</button>
</div>
<script>
var app=new angular.module('app',[]);
app.constant('ssr',{
save:'jeff'
});
app.controller('main',['$scope',function($scope){
$scope.mainTitle='value';
}])
app.controller('con',['$scope','ssr',function($scope,ssr){
$scope.msg='';
$scope.submit=function(temp)
{
//向全局变量存入msg
ssr.save=temp;
}
}])
app.controller('con2',['$scope','ssr',function($scope,ssr){
$scope.showMsg='';
$scope.download=function()
{
ssr.save='mike';
$scope.showMsg=ssr.save;
}
}])
</script>
</body>
</html>