$.fn.combineInput = function (_config) {    var _config = $.extend({        addStr: ""    });    var td = $(this);    var input = td.find("input");    var inputLength = input.length;    var _temp = [];    var _tempStr = ‘‘;    var pack = {        init: function () {            for (var i = 0; i < inputLength; i++) {                _temp[i] = input.eq(i).val();            }            return pack.combine();        },        combine: function () {            _tempStr = _temp.join(_config.addStr);            return _tempStr;        }    };    return pack.init();}//拆分字符串填入输入框$.fn.splitInput = function (value) {    var _temp = [];    for (var i = 0; i < value.length; i = i + 4) {        _temp.push(value.substring(i, i + 4));    }    var td = $(this);    var input = td.find("input");    var inputLength = input.length;    for (i = 0; i < inputLength; i++) {        input.eq(i).val(_temp[i]);    }     return _temp;}

html

<div id="test">
   几个<input>
</div>
引用
$("#test").combineInput()