20140527-在jQuery中设置文本框回车事件

$("#search_user_name").keydown(function (e) {

        // search_user_name为文本框ID

        var curKey = e.which;

        if (curKey == 13) {

            // search_user_fuzzy为事件按钮ID

            $("#search_user_fuzzy").click();

            returnfalse;

        }

});