<!DOCTYPE html>
<html>
<script src="https://cdn.staticfile.net/angular.js/1.6.9/angular.min.js"></script>
<body ng-app="">
点击此处将输入框设置为只读：<input type="checkbox" ng-model="all"><br>
<br>
<input type="text" ng-readonly="all">
</body>
</html>