仿百度输入框智能提示的js代码(2)

var newDivNode = $("<div>").attr("id", i);    //设置每个节点的id值
                    newDivNode.attr("style", "font:14px/25px arial;height:25px;padding:0 8px;cursor: pointer;");

newDivNode.html(wordNode).appendTo(autoNode);  //追加到弹出框

//鼠标移入高亮，移开不高亮
                    newDivNode.mouseover(function () {
                        if (highlightindex != -1) {        //原来高亮的节点要取消高亮（是-1就不需要了）
                            autoNode.children("div").eq(highlightindex).css("background-color", "white");
                        }
                        //记录新的高亮节点索引
                        highlightindex = $(this).attr("id");
                        $(this).css("background-color", "#ebebeb");
                    });
                    newDivNode.mouseout(function () {
                        $(this).css("background-color", "white");
                    });

//鼠标点击文字上屏
                    newDivNode.click(function () {
                        //取出高亮节点的文本内容
                        var comText = autoNode.hide().children("div").eq(highlightindex).text();
                        highlightindex = -1;
                        //文本框中的内容变成高亮节点的内容
                        $("#" + search).val(comText);
                    })
                    if (carlist.length > 0) {    //如果返回值有内容就显示出来
                        autoNode.show();
                    } else {               //服务器端无内容返回 那么隐藏弹出框
                        autoNode.hide();
                        //弹出框隐藏的同时，高亮节点索引值也变成-1
                        highlightindex = -1;
                    }
                }
            }