简单的angular表单验证

html:

js：

var App=angular.module('myApp',[]);
App.controller('signUpController',function($scope){
      $scope.userdata={};
      $scope.submitForm=function(){
 console.log($scope.userdata);
      }
})
.directive('compare',function(){
    var o={};
    o.strict='AE'
    o.scope={
      orgText:'=compare'
    }
    o.require='ngModel';
    o.link=function(sco,ele,att,con){
 con.$validators.compare=function(v){
   return v==sco.orgText;
 }
 sco.$watch('orgText',function(){
     con.$validate();
 })
    }
    return o;
})