var columnCommentsArray = new Array();$("input[name='columnComments']").each(     function(){        var columnComments = $(this).val();        if("" == columnComments) {            flag = false;            message += "字段名不能为空！
";            return false;        } else {            if($.inArray(columnComments,columnCommentsArray) < 0){                columnCommentsArray.push(columnComments);            }        }    }) if(columnCommentsArray.length != columnCommentsCount) {    flag = false;    message += "存在相同的字段名，请修改！";}