自己做的模拟模态对话框实现代码_javascript技巧



代码如下:







选择经度:





document.getElementById("txtSelect").onfocus=function(){
var windows = document.getElementById("window");
var title = document.getElementById("title");
var layer = document.getElementById("layer");
if(windows==null&&layer==null&&title==null){
var style = document.createElement("style");
style.type="text/css";
document.body.appendChild(style);
var styleText = "#layer{ width:100%;height:100%;background:#000000;position:absolute;z-index:100;left:0;top:0;filter:alpha(opacity=40); opacity:0.4}";
styleText+="#window{position:absolute; z-index:1000;background:#ffc;}";
styleText+="#title{ background:#CCFFFF;width:100%;height:15%;font-size:2em;font-weight:bold; text-align:left; line-height:1.5em }"
styleText+="#content{ height:85%;width:100%;background:#CCCCCC}";
styleText+="#frame{ width:100%;height:100%;} #map{ width:100%;height:100%}";
try{
if(typeof style.styleSheet.cssText!="undefined"){
style.styleSheet.cssText=styleText;
}
}catch(ex){
style.appendChild(document.createTextNode(styleText));
}
var layer = document.createElement("div");
document.body.appendChild(layer);
layer.id="layer";
var windows = document.createElement("div");
document.body.appendChild(windows);
windows.id="window";
windows.style.height="400px";
windows.style.width = "600px";
var height = parseInt(windows.style.height);
var width = parseInt(windows.style.width);
windows.style.top = parseInt(document.documentElement.clientHeight/2-height/2)+"px";
windows.style.left = parseInt(document.documentElement.clientWidth/2-width/2)+"px";
var title = document.createElement("div");
windows.appendChild(title);
title.id="title";
title.appendChild(document.createTextNode("点此关闭"));
var content = document.createElement("div");
windows.appendChild(content);
content.id="content";
var map = document.getElementById("map");
content.appendChild(map);
map.style.display="block";
if(typeof layer.style.opacity!="undefined"){
layer.style.opacity=0.5;
}
else if(typeof layer.style.filter!="undefined"){
layer.style.filter="alpha(opacity=50)";
}
}
else{
if(typeof layer.style.opacity!="undefined"){
layer.style.opacity=0.5;
}
else if(typeof layer.style.filter!="undefined"){
layer.style.filter="alpha(opacity=50)";
}
layer.style.zIndex=100;
windows.style.zIndex=1000;
layer.style.display="block";
windows.style.display="block";
}
layer.onclick = title.onclick = function(){
windows.style.zIndex=-1000;
windows.style.display="none";
//让层渐隐
var timer = setTimeout(displayLayer,200);
function displayLayer(){
if(typeof layer.style.opacity!="undefined"){
var layers = document.getElementById("layer");
var opacity = parseFloat(layers.style.opacity);
opacity = opacity-0.1;
if(opacity>0){
setTimeout(arguments.callee,100);
}
else if(opacity<0){
layers.style.zIndex=-100;
clearTimeout(timer);
}
layers.style.opacity = opacity;
}
else if(typeof layer.style.filter!="undefined"){
var layers = document.getElementById("layer");
var filterStyle = layers.style.filter;
//opacity = parseInt(filterStyle.substring(filterStyle.indexOf("=")+1));
var opacity = parseInt(filterStyle.match(/\d+/));
opacity = opacity-10;
if(opacity>0){
setTimeout(arguments.callee,100);
}
else if(opacity<0){
layers.style.zIndex=-100;
clearTimeout(timer);
}
layers.style.filter = "alpha(opacity="+opacity+")";
}
else{
throw new Error("your browser version lower!");
}
}
document.getElementById("txtSelect").value=frames["map"].document.getElementById("hidden").value;
}
}
window.onunload=function(){
var windows = document.getElementById("window");
var title = document.getElementById("title");
var layer = document.getElementById("layer");
layer.onclick = windows.onclick=null; //清除事件绑定
document.body.removeChild(layer);
windows.removeChild(title);
document.body.removeChild(windows);
}


这是那个框架的页面，显示百度地图的坐标
代码如下:














var map = new BMap.Map("container");
map.centerAndZoom(new BMap.Point(104.105, 30.624), 6);
map.addControl(new BMap.NavigationControl()); //导航
map.addControl(new BMap.ScaleControl());
map.addControl(new BMap.OverviewMapControl());
map.addEventListener("click", function (e) {
document.getElementById("hidden").value = e.point.lng+","+e.point.lat;
});
var localSearch = new BMap.LocalSearch(map, {
renderOptions: {
pageCapacity: 8,
autoViewport: true,
selectFirstResult: false
}
});
localSearch.enableAutoViewport();
function searchByStationName(name) {
var keyword = name;
localSearch.setSearchCompleteCallback(function (searchResult) {
var poi = searchResult.getPoi(0);
alert(poi.point.lng + " " + poi.point.lat);
document.getElementById("hidden").value = e.point.lng+","+e.point.lat;
map.centerAndZoom(poi.point, 8);
});
localSearch.search(keyword);
}