并不是所有 LBS 云服务 都可以使用 js Ajax 访问,涉及跨域问题 (Jsonp 方式解决)
Jsonp 解决跨域问题原理,在页面生成<script> 加载远程 js 代码片段.
在LBS的服务文档:http://lbsyun.baidu.com/index.php?title=lbscloud/api/geosearch,除了云存储都有callback回调函数.
在jQuery的API文档中 $.getJSON(url,[data],function(data))加入callback=?执行回调函数.
package cn.itcast.map;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
// 云存储
public class BaiduMapCloudStorageTest {
// 创建表
@Test
public void demo1() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost("http://api.map.baidu.com/geodata/v3/geotable/create");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("name", "mytable1"));
nameValuePairs.add(new BasicNameValuePair("geotype", "1"));
nameValuePairs.add(new BasicNameValuePair("is_published", "1"));
nameValuePairs.add(new BasicNameValuePair("ak", "zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf"));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 查询表
public void demo2() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geodata/v3/geotable/list?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 查询表结构
public void demo3() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geodata/v3/geotable/detail?id=153944&ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 创建列
public void demo4() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost("http://api.map.baidu.com/geodata/v3/column/create");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("geotable_id", "153944"));
nameValuePairs.add(new BasicNameValuePair("name", "名称"));
nameValuePairs.add(new BasicNameValuePair("key", "name"));
nameValuePairs.add(new BasicNameValuePair("type", "3"));
nameValuePairs.add(new BasicNameValuePair("max_length", "512"));
nameValuePairs.add(new BasicNameValuePair("is_sortfilter_field", "0"));
nameValuePairs.add(new BasicNameValuePair("is_search_field", "1"));
nameValuePairs.add(new BasicNameValuePair("is_index_field", "1"));
nameValuePairs.add(new BasicNameValuePair("is_unique_field", "1"));
nameValuePairs.add(new BasicNameValuePair("ak", "zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf"));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 查询列
public void demo5() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geodata/v3/column/list?geotable_id=153944&ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 查询指定id列
public void demo6() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geodata/v3/column/detail?id=265695&geotable_id=153944&ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 修改列
public void demo7() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost("http://api.map.baidu.com/geodata/v3/column/update");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("id", "265695"));
nameValuePairs.add(new BasicNameValuePair("geotable_id", "153944"));
nameValuePairs.add(new BasicNameValuePair("name", "描述"));
nameValuePairs.add(new BasicNameValuePair("key", "name"));
nameValuePairs.add(new BasicNameValuePair("type", "3"));
nameValuePairs.add(new BasicNameValuePair("max_length", "512"));
nameValuePairs.add(new BasicNameValuePair("is_sortfilter_field", "0"));
nameValuePairs.add(new BasicNameValuePair("is_search_field", "1"));
nameValuePairs.add(new BasicNameValuePair("is_index_field", "1"));
nameValuePairs.add(new BasicNameValuePair("is_unique_field", "1"));
nameValuePairs.add(new BasicNameValuePair("ak", "zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf"));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, Consts.UTF_8));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 创建数据 (create poi)
public void demo8() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost("http://api.map.baidu.com/geodata/v3/poi/create");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("geotable_id", "153944"));
nameValuePairs.add(new BasicNameValuePair("title", "好嫂子"));
nameValuePairs.add(new BasicNameValuePair("address", "海淀区建材城西路xx号"));
nameValuePairs.add(new BasicNameValuePair("latitude", "39.899552"));
nameValuePairs.add(new BasicNameValuePair("longitude", "116.647367"));
nameValuePairs.add(new BasicNameValuePair("coord_type", "3"));
nameValuePairs.add(new BasicNameValuePair("ak", "zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf"));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 查询指定条件数据(poi)
public void demo9() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geodata/v3/poi/list?geotable_id=153944&ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 查询指定id的数据(poi)
public void demo10() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geodata/v3/poi/detail?id=1822675338&geotable_id=153944&ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 修改数据 (update poi)
public void demo11() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost("http://api.map.baidu.com/geodata/v3/poi/update");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("id", "1822675338"));
nameValuePairs.add(new BasicNameValuePair("geotable_id", "153944"));
nameValuePairs.add(new BasicNameValuePair("title", "好嫂子"));
nameValuePairs.add(new BasicNameValuePair("address", "海淀区建材城西路xx号"));
nameValuePairs.add(new BasicNameValuePair("latitude", "40.066269"));
nameValuePairs.add(new BasicNameValuePair("longitude", "116.353776"));
nameValuePairs.add(new BasicNameValuePair("coord_type", "3"));
nameValuePairs.add(new BasicNameValuePair("ak", "zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf"));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, Consts.UTF_8));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
public void demoX() {
System.out.println("u53c2u6570u5fc5u9700");
}
}
2.BaiduMapCloudSearch
package cn.itcast.map;
import java.io.IOException;
import java.net.URLEncoder;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
// 云检索
public class BaiduMapCloudSearchTest {
@Test
// 周边检索
public void demo1() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geosearch/v3/nearby?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&geotable_id=153944&location=116.647367,39.899552&radius=1000");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 本地检索
public void demo2() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geosearch/v3/local?region=北京&ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&geotable_id=153944&location=116.647367,39.899552&radius=1000");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 云地理编码
public void demo3() throws IOException {
String address = URLEncoder.encode("好嫂子", "utf-8");
String url = "http://api.map.baidu.com/cloudgc/v1?geotable_id=153944&ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&address="
+ address;
System.out.println(url);
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(url);
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
}
3.BaiduMapWebServiceTest
package cn.itcast.map;
import java.io.IOException;
import java.net.URLEncoder;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
// web开放服务
public class BaiduMapWebServiceTest {
@Test
// Place Suggestion API
public void demo1() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/place/v2/suggestion?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf®ion=全国&q=和平&output=json");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 地理编码 api
public void demo2() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
String address = URLEncoder.encode("北京市海淀区上地十街10号", "utf-8");
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geocoder/v2/?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&output=json&address="
+ address);
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 路线规划距离和行驶时间
public void demo3() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/routematrix/v2/riding?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&output=json&origins=40.056878,116.30815&destinations=40.063597,116.364973");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 路线规划
public void demo4() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/direction/v2/transit?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&output=json&origin=40.056878,116.30815&destination=40.063597,116.364973");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// ip高精度定位
public void demo5() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/highacciploc/v1?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&qterm=pc&callback_type=json&coord=bd09ll");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
@Test
// 转换坐标
public void demo6() throws IOException {
HttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(
"http://api.map.baidu.com/geoconv/v1/?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&output=json&coords=114.21892734521,29.575429778924");
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
System.out.println(EntityUtils.toString(httpEntity));
}
}
4.周边检索( 基于 JavaScript 访问 LBS 云服务)
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>周边检索 </title> <script type="text/javascript" src="js/jquery.js" ></script> <script type="text/javascript"> $.getJSON("http://api.map.baidu.com/geosearch/v3/nearby?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&geotable_id=153944&q=好嫂子&location=116.395884,39.932154&radius=5000&callback=?",function(data){ console.log(data); }); </script> </head> <body> </body> </html>
5.本地检索( 基于 JavaScript 访问 LBS 云服务)
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>本地检索 </title> <script type="text/javascript" src="js/jquery.js" ></script> <script type="text/javascript"> $.getJSON("http://api.map.baidu.com/geosearch/v3/local?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&geotable_id=153944&q=好嫂子®ion=北京市&callback=?",function(data){ console.log(data); }); </script> </head> <body> </body> </html>
6.云地理检索 ( 基于 JavaScript 访问 LBS 云服务)
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>云地理编码</title> <script type="text/javascript" src="js/jquery.js" ></script> <script type="text/javascript"> var address = encodeURIComponent("金燕龙办公楼"); $.getJSON("http://api.map.baidu.com/cloudgc/v1?ak=zbLsuDDL4CS2U0M4KezOZZbGUY9iWtVf&address="+address+"&callback=?",function(data){ console.log(data); }); </script> </head> <body> </body> </html>