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Google 静态地图API实现代码

2010-11-19 00:00 375 查看
<!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
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