Angular 数据修改指南-优快云博客

本文链接：https://blog.youkuaiyun.com/PremierAmour/article/details/78832211

本文深入探讨Angular中如何有效地修改数据，包括组件间数据传递、服务的使用以及响应式表单的更新方法。通过实例解析，帮助开发者更好地理解和掌握Angular应用中的数据操作技巧。

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<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title></title>
        <script src="js/angular.min.js" type="text/javascript" charset="utf-8"></script>
    </head>
    <body ng-app="myApp" ng-controller="myCtrl">
        <table border="" cellspacing="" cellpadding="">
            <tr ng-repeat="p in persons">
                <td>{{p.name}}</td>
                <td>{{p.age}}</td>
                <td><input type="button" value="修改" ng-click="xiugai($index)"/></td>
            </tr>
        </table>
        <div class="xia" ng-show="a">
            名字:<input type="text" ng-model="x_name"/><br>
            年龄：<input type="text" ng-model="x_age"/><br>
            <input type="button"  value="OK" ng-click="ok(index)" ng-model="i"/>
        </div>

        <script type="text/javascript">
            var mo = angular.module("myApp",[]);
            mo.controller("myCtrl",function($scope){
                //初始化数组
                $scope.persons = [{"name":"张三","age":20},{"name":"李四","age":19}];
                $scope.xiugai = function($index){
                    //页面显示
                    $scope.a = true;
                    //回显
                    var name1 = $scope.persons[$index].name;
                    var age1 = $scope.persons[$index].age;
                    $scope.x_name = name1;
                    $scope.x_age = age1;

                    $scope.i = $index;
                }
                //点击OK按钮，实现修改
                $scope.ok = function(){
                    var newPerson = {"name":$scope.x_name,"age":$scope.x_age};
                    $scope.persons.splice($scope.i,1,newPerson);
                }
            })
        </script>

    </body>
</html>

angular修改数据