日期:2014-05-17  浏览次数:20955 次

新手求教.....
实习生,想问一下关于那个鼠标事件,当鼠标经过一区域的时候显示一个div框,然后鼠标移走时div框消失........怎么写?...还有这段代码什么意思,这个是关于百度地图开发的代码
jQuery(document).ready(function(){
    var buildinfo;
    var jg;
    var x = [];
    var y = [];
    var length;
    var pointarray;
    jQuery.getJSON("json/buildinginfo4x.json", function(data){
        //======设置全局变量JsonData_Building=======
        //数据需要在Cmap_Base中的mouseove事件中使用,判断在哪个层作画,是/否隐藏该层
        //JsonData_Building = data;
        //=================================
        
        var iitmp = 0;
        var oldpertmp;
        document.getElementById("d_map").onclick = function(){
            //alert(CZoomControl_zoomPercent[CZoomControl_zoomIndex]+""+Base_OldPercentTmp);
            if (isInsidePolygon(_Theodolite$point.x, _Theodolite$point.y, pointtmp, 0.8, CZoomControl_zoomPercent[CZoomControl_zoomIndex])) {
                //JqueryMarker$strMsg(data.building[iitmp].title);//弹出消息
                
                var div_3d = document.createElement("Div");
                div_3d.id = "div_showbuildinfo";
                //str = "<iframe src='flash/Test11_mv.html' width='800' height='500' frameborder='no' border='0' marginwidth='0' marginheight='0' scrolling='no'></iframe>";
                str = "<iframe src='divin/test09_newflat.html' width='775' height='559' frameborder='no' border='0' marginwidth='0' marginheight='0' scrolling='no'></iframe>";
str += "<div width='755px' class='span_repair a_close' style='cursor:pointer;'><center><a href='#' class='span_repair a_close'>关闭</a></center></div>";
                div_3d.innerHTML = str;
$("d_map").appendChild(div_3d);
a=hiBox('#div_showbuildinfo', data.building[iitmp].title, '1200', '620', '', '.a_close');
//alert(a);
            }
        }
        
        var flag = false;
        var pointtmp = [];
        document.getElementById("d_map").onmousemove = function(){
        &