html代码:

<input type="text" id="affOrganization" name="affOrganization" class="form-control" placeholder="Search..." style="width: 300px" >
<div class="search_suggest" id="gov_search_suggest">                                                                                                                  <ul>
</ul>
</div>

css:

.search_suggest{ position:absolute; z-index:999; left:132px; top:41px; width:468px; border:1px solid #999999; display:none; }
.search_suggest li{height:24px; overflow:hidden; padding-left:3px; line-height:24px; background:#FFFFFF; cursor:default;list-style-type:none;}
.search_suggest li{background:#FFFFFF;}
        ul{
            margin-left: 0;
            padding-left: 0;
            margin-bottom: 0;
        }
        .search_suggest{
            margin-left: 0;
            padding-left: 0;
        }
        li.hover{background:#DDDDDD;}

js:

    $("#affOrganization").on('input', function () {
        var orgName = $("#affOrganization").val();
        if (orgName === '') {
            $("#gov_search_suggest").hide();
            return;
        }
        $.ajax({
            url: tool.getHttpPrefixView() + url,
            type: "GET",
            async: false,
            success: function (data) {
                if (data.result.success) {
                    var list = data.rows;
                    if (list.length === 0) {
                        $("#gov_search_suggest").hide();
                        return;
                    }
                    $("#gov_search_suggest").empty();
                    for (let i = 0; i < list.length; i++) {
                        $("#gov_search_suggest").append('<li id="search-result-' + i + '" onclick="Manage.TableOnclick(' + i + ')">' + list[i] + '</li>');
                    }
                    $("#gov_search_suggest").show();
                } else {
                    $("#gov_search_suggest").hide();
                }
            }
        });
    })


    Manage.TableOnclick = function (index) {
        console.log($('#search-result-' + index).html());
        $("#affOrganization").val($('#search-result-' + index).html() + "");
        $("#gov_search_suggest").hide();
    }