<label for="password">密碼</label><input id="password" name="password" type="password" ng-model="user.password" required><label for="repassword">重復(fù)密碼</label><input id="repassword" name="repassword" type="password" ng-model="repassword" required><span style="color:red" ng-show="user.password!=repassword">兩次密碼不一致</span><input type="submit" class="btn btn-primary btn-lg" value="SAVE" ng-disabled="submit(userForm)"/>/*JS*/app.controller("main",function($scope){$scope.submit=function(ngFormController){return ngFormController.$invalid; /*valid的取反*/};});

/*指令創(chuàng)建*/app.directive('equals',function(){return{require:'ngModel',link:function(scope,elm,attrs,ngModelCtrl){function validateEqual(myValue){var valid = (myValue === scope.$eval(attrs.equals));ngModelCtrl.$setValidity('equal',valid);return valid ? myValue : undefined;}ngModelCtrl.$parsers.push(validateEqual);ngModelCtrl.$formatters.push(validateEqual);scope.$watch(attrs.equals,function(){ngModelCtrl.$setViewValue(ngModelCtrl.$viewValue);})}}});<!--html--><label for="password">密碼</label><input id="password" name="password" type="password" ng-model="user.password" required><label for="repassword">重復(fù)密碼</label><input id="repassword" name="repassword" type="password" ng-model="repassword" <!--注意這里將要使用我自定義的指令-->equals="user.password" required><span style="color:red" ng-show="user.password!=repassword">兩次密碼不一致</span><input type="submit" class="btn btn-primary btn-lg" value="SAVE" ng-disabled="submit(userForm)"/>