<form name="userForm" method="#" action="#">
<label for="name">用户名1</label>
<input id="name" name="name" type="text" ng-model="users.name" pattern="^\w{6,18}$" required>
<span ng-show="userForm.name.$error.pattern">用户名必须XXXX</span>
</form>
<!--html-->
<form name="userForm" ng-controller="main" method="#" action="#">
<label for="name">用户名1</label>
<input id="name" name="name" type="text" ng-model="users.name" pattern="^\w{6,18}$" required>
<span style="color:red" ng-show="showError(userForm.name,'pattern')">用户名必须XX</span>
<span style="color:green" ng-show="showSuccess(userForm.name)">成功!</span>
<!--对按钮进行动态锁定-->
<button class="btn btn-primary btn-lg" ng-disabled="submit(userForm)">SAVE</button>
</form>
/*JS*/
app.controller("main",function($scope){
$scope.showError=function(ngModelController,abc){
return ngModelController.$error[abc];
};
$scope.showSuccess=function(ngModelController){
return ngModelController.$valid; /*至少有1错误,返回false,无错误,返回true*/
};
$scope.submit=function(ngFormController){
return ngFormController.$invalid; /*valid的取反*/
};
});
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