插件开发（对象级）

html部分

<table class="table">
    <tr>
        <th>姓名</th>
        <th>年龄</th>
        <th>性别</th>
        <th>身高</th>
    </tr>
    <tr>
        <td>张三</td>
        <td>26</td>
        <td>男</td>
        <td>176</td>
    </tr>
    <tr>
        <td>李四</td>
        <td>20</td>
        <td>男</td>
        <td>185</td>
    </tr>
</table>

<script>
    $(function(){
        $(".table").tab({
            evenClass:"even1",
            oddClass:"odd1",
            currentClass:"current1",
            eventType:"mouseover"
        });

    })
</script>

js部分

;(function($){
    $.fn.tab=function(options){
        var defaults = {
            //各种参数，各种属性
            evenClass:"even",
            oddClass:"odd",
            currentClass:"current",
            eventType:"mouseover",
            eventType2:"mouseout"
        };
        var _this =  $(this);
        var options = $.extend(defaults,options);

        this.each(function(){//this
            ...............
        });
    }
})(jQuery);