<div ng-controller="myController">
    <label for="flag">全选
        <input id="flag" type="checkBox" ng-model="select_all" ng-change="selectAll()">
    </label>
    <ul>
        <li ng-repeat="i in list">
            <input type="checkBox" ng-model="i.checked" ng-change="selectOne()">
            <span>{{id}}</span>
        </li>
    </ul>
</div>

var app = angular.module('myApp',[]);
app.controller('myController',['$scope',function ($scope) {
    $scope.list = [
        {'id': 101},{'id': 102},{'id': 103},{'id': 104},{'id': 105},{'id': 106},{'id': 107}
    ];
    $scope.m = [];
    $scope.checked = [];
    $scope.selectAll = function () {
        if($scope.select_all) {
            $scope.checked = [];
            angular.forEach($scope.list,function (i) {
                i.checked = true;
                $scope.checked.push(i.id);
            })
        }else {
            angular.forEach($scope.list,function (i) {
                i.checked = false;
                $scope.checked = [];
            })
        }
        console.log($scope.checked);
    };
    $scope.selectOne = function () {
        angular.forEach($scope.list,function (i) {
            var index = $scope.checked.indexOf(i.id);
            if(i.checked && index === -1) {
                $scope.checked.push(i.id);
            } else if (!i.checked && index !== -1){
                $scope.checked.splice(index,1);
            };
        })

        if ($scope.list.length === $scope.checked.length) {
            $scope.select_all = true;
        } else {
            $scope.select_all = false;
        }
        console.log($scope.checked);
    }
}]);