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controller.html
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controller.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>控制器</title>
</head>
<body ng-app='ctrlapp' ng-controller='ctrlController'>
<form action="controller_submit" method="post" accept-charset="utf-8">
<p>
<input type="text" name="username" ng-model="user.username"><span>{{message}}</span>
</p>
<p>
<input type="password" name="password" ng-model="user.password">
</p>
<p>
<input type="button" ng-click="login()" value="提交">
</p>
</form>
<script src="node_modules/angular/angular.js"></script>
<script>
var ctrl = angular.module('ctrlapp', [])
//这种方式压缩代码会有问题,会替换$scope
// ctrl.controller('ctrlController',function ($scope) {
// })
// $scope暴露数据和行为 是连接controller和view的桥梁
// {{}} 表达式是单向的
ctrl.controller('ctrlController', ['$scope', function($$) {
$$.user = {
username: '',
password: ''
};
$$.login = function() {
console.log($$.user.username)
console.log($$.user.password)
};
$$.message = '12414134';
//监视模型的操作
$$.$watch('user.username', function(now, old) {
// console.log('now is' + now); console.log('old is' + old);
if (now) {
if (now.length < 7) {
$$.message = '不合法的用户名';
} else {
$$.message = ''
}
} else {
$$.message = '请输入合法的用户名';
}
})
}])
</script>
</body>
</html>