当$scope.localMes.length>1时黑色提示框淡入出现，两秒后淡出消失!
图片描述

app.controller("localCon",function($scope){
    $scope.localMes=[
        {
            name:"陈琪",
            onSw:false,
            phone:"15766666666",
            local:"辽宁省沈阳市和平区胜利大厦"
            
        },
        {
            name:"张卓亿",
            onSw:false,
            phone:"1222222218",
            local:"辽宁省沈阳市和平区胜利大厦"
        }
    ];
    $scope.swith=function($index){
            
            $scope.localMes[$index].onSw=!$scope.localMes[$index].onSw;
        };
    $scope.remove=function($index){
            if($scope.localMes.length>1){
                $scope.localMes.splice($index,1);
            }else{
                $
            }
        };
});