微信公众平台java开发附近公交站台功能

1、微信公众平台java开发附近公交站台功能/*附近公交站台查询*authhma*/publilassAiBangBusStationpublicstaticvoidmain(Stringargs)searchBusLineByNum("南京","1");/*公交线路查询*paramcityName*paramlineNum*/publicstaticList<AiBangBusStationBeansearchBusLineByNum(StringcityName,StringlineNum)StringBuffersbUrl=newStri

2、ngBuffer();sbUrl.append("aibang/bus/lines");sbUrl.append("app_key="+AiBangIconst.AI_BANG_API_KEY);sbUrl.append("&city="+cityName);/城市sbUrl.append("&q="+lineNum);/距离(单位：米)List<AiBangBusStationBeanlistLine=newArrayList<AiBangBusStat

3、ionBean();StringpageContext=HttpRequestTools.getHttpClientHtml(sbUrl.toString(),"UTF-8");if(pageContext!=null&&!"".equals(pageContext)SAXBuildersax=newSAXBuilder();tryStringReaderread=newStringReader(pageContext);/创建新的输入源SAX解析器将使用InputSource对象来确定如何读取XML输入InputSour

4、cesource=newInputSource(read);/通过输入源构造一个DocumentDocumentdoc=sax.build(source);/取的根元素Elementroot=doc.getRootElement();ListlistChild=root.getChild("lines").getChildren();for(inti=0;i<listChild.size();i+)Elementelementstat=(Element)listChild.get(i);AiBangBusStationBeanbeans=newAiBangBu

5、sStationBean();beans.setName(elementstat.getChildText("name");Stringlocations=elementstat.getChildText("xy").split(",");beans.setLocation_x(locations0);beans.setLocation_y(locations1);beans.setDist(elementstat.getChildText("dist");beans.setLine_names(elementst

6、at.getChildText("line_names");listLine.add(beans);catch(Exceptione)e.printStackTrace();/ExceptionTools.getExceptionDetail(e,"获取附近公交站台信息错误！");returnlistLine;/*获取附近公交站台信息*return*/SuppressWarnings("rawtypes")publicstaticList<AiBangBusStationBeangetNearByBusStations(

7、StringcityName,Stringlocation_x,Stringlocation_y)StringBuffersbUrl=newStringBuffer();sbUrl.append("aibang/bus/stats_xy");sbUrl.append("app_key="+AiBangIconst.AI_BANG_API_KEY);sbUrl.append("&city="+cityName);/城市sbUrl.append("&lng="+location_x);/

8、经度sbUrl.append("&lat="+location_y);/纬度sbUrl.append("&dist=500");/距离(单位：米)List<AiBangBusStationBeanlistNearByBus=newArrayList<AiBangBusStationBean();StringpageContext=HttpRequestTools.getHttpClientHtml(sbUrl.toString(),"UTF-8");if(pageContex

9、t!=null&&!"".equals(pageContext)SAXBuildersax=newSAXBuilder();tryStringReaderread=newStringReader(pageContext);/创建新的输入源SAX解析器将使用InputSource对象来确定如何读取XML输入InputSourcesource=newInputSource(read);/通过输入源构造一个DocumentDocumentdoc=sax.build(source);/取的根元素Elementroot=doc.getRootEleme

10、nt();ListlistChild=root.getChild("stats").getChildren();for(inti=0;i<listChild.size();i+)Elementelementstat=(Element)listChild.get(i);AiBangBusStationBeanbeans=newAiBangBusStationBean();beans.setName(elementstat.getChildText("name");Stringlocations=elementstat.getChildText

11、("xy").split(",");beans.setLocation_x(locations0);beans.setLocation_y(locations1);beans.setDist(elementstat.getChildText("dist");beans.setLine_names(elementstat.getChildText("line_names");listNearByBus.add(beans);catch(Exceptione)/e.printStackTrace();Exception

12、Tools.getExceptionDetail(e,"获取附近公交站台信息错误！");listNearByBus=null;returnlistNearByBus;/*根据城市名称，公交站名称，获取公交站台线路信息*paramcityName*paramstationName*return*/SuppressWarnings("rawtypes")publicstaticAiBangBusStationBeangetBusStationDetailByName(StringcityName,StringstationName)StringBuffers

13、bUrl=newStringBuffer();sbUrl.append("aibang/bus/stats");sbUrl.append("app_key="+AiBangIconst.AI_BANG_API_KEY);sbUrl.append("&city="+cityName);/城市sbUrl.append("&q="+stationName);/经度StringpageContext=HttpRequestTools.getHttpClientHtml(sbUrl.toStr

14、ing(),"UTF-8");AiBangBusStationBeanbeans=null;SAXBuildersax=newSAXBuilder();tryStringReaderread=newStringReader(pageContext);/创建新的输入源SAX解析器将使用InputSource对象来确定如何读取XML输入InputSourcesource=newInputSource(read);/通过输入源构造一个DocumentDocumentdoc=sax.build(source);/取的根元素Elementroot=doc.getRootElement

15、();ListlistChild=root.getChild("stats").getChildren();if(listChild!=null&&listChild.size()!=0)Elementelementstat=(Element)listChild.get(0);beans=newAiBangBusStationBean();beans.setName(elementstat.getChildText("name");Stringlocations=elementstat.getChildText("

16、;xy").split(",");beans.setLocation_x(locations0);beans.setLocation_y(locations1);beans.setDist(elementstat.getChildText("dist");beans.setLine_names(elementstat.getChildText("line_names");catch(Exceptione)/e.printStackTrace();ExceptionTools.getExceptionDetail(e,&quo

17、t;根据城市名称，公交站名称，获取公交站台线路信息错误！");returnbeans;/*获取公交线路详细信息*paramcityName*paramcode*return*/SuppressWarnings("rawtypes")publicstaticAiBangBusStationBeangetgetBusLineDetailInfo(StringcityName,Stringcode)StringBuffersbUrl=newStringBuffer();sbUrl.append("aibang/bus/lines");sbUrl.ap

18、pend("app_key="+AiBangIconst.AI_BANG_API_KEY);sbUrl.append("&city="+cityName);/城市sbUrl.append("&q="+code);/经度StringpageContext=HttpRequestTools.getHttpClientHtml(sbUrl.toString(),"UTF-8");AiBangBusStationBeanbeans=null;SAXBuildersax=newSAXBuild

19、er();tryStringReaderread=newStringReader(pageContext);/创建新的输入源SAX解析器将使用InputSource对象来确定如何读取XML输入InputSourcesource=newInputSource(read);/通过输入源构造一个DocumentDocumentdoc=sax.build(source);/取的根元素Elementroot=doc.getRootElement();ListlistChild=root.getChild("lines").getChildren();if(listChild!=nul

20、l&&listChild.size()!=0)Elementelementstat=(Element)listChild.get(0);beans=newAiBangBusStationBean();beans.setName(elementstat.getChildText("name");beans.setLineInfo(elementstat.getChildText("info");beans.setLineStats(elementstat.getChildText("stats");bea

21、ns.setLineStat_xys(elementstat.getChildText("stat_xys");beans.setLineXys(elementstat.getChildText("xys");catch(Exceptione)/e.printStackTrace();ExceptionTools.getExceptionDetail(e,"获取公交线路详细信息错误！");returnbeans;-importjava.HttpURLConnection;importjava.URL;publilassHttpRequ

22、estTools/*请求页面*paramstrUrl*paramstrPostRequest*parammaxLength*paramcode*return*/publicstaticStringgetPageContent(StringstrUrl,StringstrPostRequest,intmaxLength,Stringcode)/读取结果网页StringBufferbuffer=newStringBuffer();HttpURLConnectionconnection=null;tryURLurl=newURL(strUrl);/打开url连接connection=(HttpURL

23、Connection)url.openConnection();/设置url请求方式get或者postconnection.setRequestMethod(strPostRequest);connection.setConnectTimeout(5000);connection.setReadTimeout(5000);connection.setRequestProperty("User-Agent","Mozilla/4.0(patible;MSIE5.0;WindowsNT;DigExt)");/IE代理进行下载/发送BufferedReader

24、in=newBufferedReader(newInputStreamReader(url.openStream(),code);intch;for(intlength=0;(ch=in.read()-1&&(maxLength<=0|length<maxLength);length+)buffer.append(char)ch);in.close();connection.disconnect();returnbuffer.toString().trim();catch(Exceptione)if(connection!=null)

25、connection.disconnect();/ExceptionTools.getExceptionDetail(e,"地址："+strUrl+"请求失败！");returnnull;/*根据URL获得所有的html信息*paramurl*return*/publicstaticStringgetHttpClientHtml(Stringurl,Stringcode)Stringhtml=null;HttpClienthttpClient=newDefaultHttpClient();/创建httpClient对象HttpGethttpget=new

26、HttpGet(url);/以get方式请求该URLtryHttpResponseresponce=httpClient.execute(httpget);/得到responce对象intresStatu=responce.getStatusLine().getStatusCode();/返回码if(resStatu=HttpStatus.SC_OK)/200正常其他就不对/获得相应实体HttpEntityentity=responce.getEntity();if(entity!=null)html=newString(EntityUtils.toString(entity).getByte

27、s("ISO-8859-1"),code);/获得html源代码catch(Exceptione)e.printStackTrace();finallyhttpClient.getConnectionManager().shutdown();returnhtml;/*默认编码获取HTML代码*paramurl*return*/publicstaticStringgetHttpClientHtml(Stringurl)Stringhtml=null;HttpClienthttpClient=newDefaultHttpClient();/创建httpClient对象HttpGethttpget=newHttpGet(url);/以get方式请求该URLtryHttpResponseresponce=httpClient.execute(httpget)