Google 静态地图API实现代码

代码如下:

<!DOCTYPE html>
<html>
<head>
<title>Google 静态地图 API</title>
<style type="text/css">
#divStaticMap span
{
color:Gray;
font-size:12px;
}
#divStaticMap .sel
{
width:130px;
}
</style>
<script type="text/javascript">
function getObj(id) {
return document.getElementById(id);
}

function getStaticMap() {
var url = 'http://maps.google.com/maps/api/staticmap?center=';
if (getObj('chkUseNum').checked) {
url += encodeURI(getObj('txtX').value) + ',' + encodeURI(getObj('txtY').value);
}
else {
url += encodeURI(getObj('txtCenter').value);
}
url += '&zoom=' + getObj('txtZoom').value;
url += '&size=' + getObj('txtWidth').value + 'x' + getObj('txtHeight').value;
url += '&format=' + getObj('selImageType').options[getObj('selImageType').selectedIndex].text;
url += '&maptype=' + getObj('selMapType').value;
var trs = getObj('tdFlagList').getElementsByTagName('tr');
for (var i = 1; i < trs.length; i++) {
var txtFlagAddress = trs[i].getElementsByTagName('input')[0];
if (txtFlagAddress.value == '') {
continue;
}
var selFlagColor = trs[i].getElementsByTagName('select')[0];
var selFlagSize = trs[i].getElementsByTagName('select')[1];
var txtFlagLabel = trs[i].getElementsByTagName('input')[1];
url += '&markers=size:' + selFlagSize.value;
url += '|color:' + selFlagColor.options[selFlagColor.selectedIndex].text;
url += '|label:' + txtFlagLabel.value;
url += '|' + encodeURI(txtFlagAddress.value);
}
url += '&sensor=false';

getObj('txtImageUrl').value = url;
getObj('imgMap').src = url;
getObj('imgMap').style.display = 'block';
}

function addMapFlag(o) {
var tr = o.parentNode.parentNode;
var newTr = tr.parentNode.appendChild(tr.cloneNode(true));
var aList = newTr.getElementsByTagName('a');
aList[0].style.display = 'inline';
aList[1].style.display = 'none';
newTr.getElementsByTagName('input')[0].value = '';
return false;
}

function delMapFlag(o) {
var tr = o.parentNode.parentNode;
tr.parentNode.removeChild(tr);
tr = null;
return false;
}

function chkUseNum_onclick(o) {
getObj('txtX').disabled = !o.checked;
getObj('txtY').disabled = !o.checked;
}
</script>
</head>
<body>
<!--
参考文档：http://code.google.com/intl/zh-CN/apis/maps/documentation/staticmaps/
注意次API不需要key!
通过设置IMG的SRC地址访问Google地址！
http://maps.google.com/maps/api/staticmap?center=西安,钟楼&zoom=14&size=512x512&maptype=hybrid&sensor=false
-->
<div id="divStaticMap" style="font-size:14px;">
<table>
<tr>
<td style="vertical-align:top; padding-top:5px;">中心位置：</td>
<td><input id="txtCenter" type="text" value="西安,钟楼" /><br />
<input id="chkUseNum" type="checkbox" onclick="chkUseNum_onclick(this);" /><label for="chkUseNum">使用经纬度：</label><br />
<input id="txtX" type="text" value="0" disabled style="width:50px;" /> X
<input id="txtY" type="text" value="0" disabled style="width:50px;" />
<span>(纬度-180~180 经度-90~90)</span>
</td>
</tr>
<tr>
<td>缩放等级：</td>
<td><input id="txtZoom" type="text" value="11" style="width:50px;" /> <span>(0-21)</span></td>
</tr>
<tr>
<td>图像大小：</td>
<td><input id="txtWidth" type="text" value="500" style="width:50px;" /> X
<input id="txtHeight" type="text" value="500" style="width:50px;" /> <span>(640x640以内)</span></td>
</tr>
<tr>
<td>图片格式：</td>
<td><select id="selImageType" class="sel">
<option>jpg</option>
<option>png</option>
<option>png32</option>
<option>gif</option>
<option>jpg-baseline</option>
</select></td>
</tr>
<tr>
<td>地图类型：</td>
<td><select id="selMapType" class="sel">
<option value="roadmap">标准路线图</option>
<option value="satellite">卫星图片</option>
<option value="terrain">自然地形</option>
<option value="hybrid">卫星和路线图</option>
</select></td>
</tr>
<tr>
<td style="vertical-align:top; padding-top:5px;">地图标记：</td>
<td id="tdFlagList">
<table style="border:solid 1px gray;">
<tr style="font-size:12px; color:Gray; background-color:#fef;">
<td>位置(地址或经纬度以|分割)</td>
<td>标记(A-Z,0-9)</td>
<td>颜色</td>
<td>大小</td>
<td>操作</td>
</tr>
<tr>
<td><input type="text" value="西安,钟楼" /></td>
<td><input type="text" value="S" style="width:80px;" />
</td>
<td><select>
<option style="background-color:red;">red</option>
<option style="background-color:black;">black</option>
<option style="background-color:brown;">brown</option>
<option style="background-color:green;">green</option>
<option style="background-color:purple;">purple</option>
<option style="background-color:yellow;">yellow</option>
<option style="background-color:blue;">blue</option>
<option style="background-color:gray;">gray</option>
<option style="background-color:orange;">orange</option>
<option style="background-color:white;">white</option>
</select></td>
<td><select>
<option value="mid">中</option>
<option value="small">小</option>
<option value="tiny">极小</option>
</select></td>
<td>
<a style="color:Red; font-size:12px; display:none;" href="#" onclick="delMapFlag(this);">删除</a>
<a style="color:Blue; font-size:12px;" href="#" onclick="addMapFlag(this);">新增</a></td>
</tr>
</table>
</td>
</tr>
<tr>
<td></td>
<td><input type="button" value="获 取" onclick="getStaticMap();" />
</td>
</tr>
</table>
<hr />
图片地址：<input id="txtImageUrl" type="text" style="width:500px;" /><br />
<img id="imgMap" alt="" style="border:solid 2px gray; margin:10px 0px; display:none;" src="" />
</div>
<script type="text/javascript">
getStaticMap();
</script>
</body>
</html>

演示代码:http://demo.jb51.net/js/googleStaticMap/index.html