獲取地理位置怎么操作

代碼如下:<br><br>/**?<br>*?以下為html5代碼,獲取地理位置?<br>*/?<br>function?getLocation()?{?<br>//檢查瀏覽器是否支持地理位置獲取?<br>if?(navigator.geolocation)?{?<br>//若支持地理位置獲取,成功調(diào)用showPosition(),失敗調(diào)用showError?<br>//?alert(&quot;正在努力獲取位置...&quot;);?<br>var?config?=?{?enableHighAccuracy:?true,?timeout:?5000,?maximumAge:?30000?};?<br>navigator.geolocation.getCurrentPosition(showPosition,?showError,?config);?<br>}?else?{?<br>//alert(&quot;Geolocation?is?not?supported?by?this?browser.&quot;);?<br>alert(&quot;標注失敗,用戶已禁用位置獲取權(quán)限&quot;);?<br>}?<br>}?<br>/**?<br>*?獲取地址位置成功?<br>*/?<br>function?showPosition(position)?{?<br>//獲得經(jīng)度緯度?<br>var?x?=?position.coords.latitude;?<br>var?y?=?position.coords.longitude;?<br>//配置Baidu?Geocoding?API?<br>var?url?=?&quot;&quot;?+?<br>&quot;&amp;callback=renderReverse&quot;?+?<br>&quot;&amp;location=&quot;?+?x?+?&quot;,&quot;?+?y?+?<br>&quot;&amp;output=json&quot;?+?<br>&quot;&amp;pois=0&quot;;?<br>$.ajax({?<br>type:?&quot;GET&quot;,?<br>dataType:?&quot;jsonp&quot;,?<br>url:?url,?<br>success:?function?(json)?{?<br>if?(json?==?null?||?typeof?(json)?==?&quot;undefined&quot;)?{?<br>return;?<br>}?<br>if?(json.status?!=?&quot;0&quot;)?{?<br>return;?<br>}?<br>setAddress(json.result.addressComponent);?<br>},?<br>error:?function?(XMLHttpRequest,?textStatus,?errorThrown)?{?<br>alert(&quot;[x:&quot;?+?x?+?&quot;,y:&quot;?+?y?+?&quot;]地址位置獲取失敗,請手動選擇地址&quot;);?<br>}?<br>});?<br>}?<br>/**?<br>*?獲取地址位置失敗[暫不處理]?<br>*/?<br>function?showError(error)?{?<br>switch?(error.code)?{?<br>case?error.PERMISSION_DENIED:?<br>alert(&quot;標注失敗,用戶拒絕請求地理標注&quot;);?<br>//x.innerHTML?=?&quot;User?denied?the?request?for?Geolocation.[用戶拒絕請求地理標注]&quot;?<br>break;?<br>case?error.POSITION_UNAVAILABLE:?<br>alert(&quot;標注失敗,位置信息是不可用&quot;);?<br>//x.innerHTML?=?&quot;Location?information?is?unavailable.[位置信息是不可用]&quot;?<br>break;?<br>case?error.TIMEOUT:?<br>alert(&quot;標注失敗,請求獲取用戶位置超時&quot;);?<br>//x.innerHTML?=?&quot;The?request?to?get?user?location?timed?out.[請求獲取用戶位置超時]&quot;?<br>break;?<br>case?error.UNKNOWN_ERROR:?<br>alert(&quot;標注失敗,標注系統(tǒng)失效&quot;);?<br>//x.innerHTML?=?&quot;An?unknown?error?occurred.[未知錯誤]&quot;?<br>break;?<br>}?<br>}?<br>/**?<br>*?設(shè)置地址?<br>*/?<br>function?setAddress(json)?{?<br>var?position?=?document.getElementById(&quot;txtPosition&quot;);?<br>//省?<br>var?province?=?json.province;?<br>//市?<br>var?city?=?json.city;?<br>//區(qū)?<br>var?district?=?json.district;?<br>province?=?province.replace('市',?'');?<br>position.value?=?province?+?&quot;,&quot;?+?city?+?&quot;,&quot;?+?district;?<br>position.style.color?=?'black';?<br>}