<script>

    //定义一个全局map

    var map = {};

    var key0 = '0';

    var key1 = '1';

    map[key0] = '0-真实报文';

    map[key1] = '1-虚拟报文';

    //row 获取这行的值 ，index 获取索引值

    function testJsMap(key){

        //如果遍历map

        for(var prop in map){

            if(map.hasOwnProperty(prop)){

                console.log(' key is ' + prop +' and value is ' + map[prop]);

            }

        }

        var value = map[key];

        return value;

    }

</script>