Java实现高德地图地理围栏设置功能工具类
前两天做项目需要用到高德地图的地理围栏功能，想从网上找一下教程，看见全是前端或者php的教程没有Java的教程，这边研究了一下特地写了一个工具类来实现。准备工作
需要导入HttpClient的Jar包来实现http请求，这边就不放jar包了，网上搜HttpClient maven是可以搜到的。
import com.alibaba.fastjson.JSONObject;
import org.apache.http.client.methods.*;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
import java.net.URI;
import java.nio.charset.Charset;
/**
* @Description 高德电子围栏工具类
* @AuThor Veddy
* @date 2020-07-10
*/
public class AMapFenceUtils {
/**
* 高德地图地理围栏创建
* @Param key 高德地图Web服务API类型Key
* @param name 围栏名称
* @param points 电子围栏经纬度 例"117.317159,31.852989;117.297525,31.847862;117.296071,31.86483"
* @param desc 电子围栏描述
* @return
*/
public static String createFence(String key,String name,String points,String desc){
//组装url
String url = "https://restapi.amap.com/v4/geofence/meta?key=" + key;
// 创建httpClient
CloseableHttpClient httpClient = HttpClients.createDefault();
// 创建post请求方式实例
HttpPost httpPost = new HttpPost(url);
// 设置请求头 发送的是json数据格式
httpPost.setHeader("Content-type", "application/json;charset=utf-8");
httpPost.setHeader("Connection", "Close");
JSONObject jsonObject = new JSONObject();
//围栏名称
jsonObject.put("name",name);
//围栏经纬度
jsonObject.put("points",points);
//电子围栏有效期
jsonObject.put("valid_time","2050-12-30");
//电子围栏监控频率
jsonObject.put("repeat","Mon,Tues,Wed,Thur,Fri,Sat,Sun");
//备注
if (desc != null){
jsonObject.put("desc",desc);
}
// 设置参数---设置消息实体 也就是携带的数据
StringEntity entity = new StringEntity(jsonObject.toString(), Charset.forName("UTF-8"));
// 设置编码格式
entity.setContentEncoding("UTF-8");
// 发送Json格式的数据请求
entity.setContentType("application/json");
// 把请求消息实体塞进去
httpPost.setEntity(entity);
// 执行http的post请求
CloseableHttpResponse httpResponse;
String result = null;
try {
httpResponse = httpClient.execute(httpPost);
result = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 更新电子围栏的经纬度
* @param key 高德地图Web服务API类型key
* @param gid 围栏全局ID 创建围栏后返回
* @param name 围栏名称
* @param points 电子围栏经纬度 例"117.317159,31.852989;117.297525,31.847862;117.296071,31.86483"
* @return
*/
public static String updateFence(String key,String gid,String name,String points){
//组装URL
String url = "https://restapi.amap.com/v4/geofence/meta?key="+ key +"&gid=" + gid;
// 创建httpClient
CloseableHttpClient httpClient = HttpClients.createDefault();
// 创建post请求方式实例
// HttpPost httpPost = new HttpPost(url);
HttpPatch httpPatch = new HttpPatch(url);
// 设置请求头 发送的是json数据格式
httpPatch.setHeader("Content-type", "application/json;charset=utf-8");
httpPatch.setHeader("Connection", "Close");
JSONObject jsonObject = new JSONObject();
//围栏名称
jsonObject.put("name",name);
//围栏经纬度数组
jsonObject.put("points",points);
//电子围栏有效期
jsonObject.put("valid_time","2050-12-30");
//电子围栏监控频率
jsonObject.put("repeat","Mon,Tues,Wed,Thur,Fri,Sat,Sun");
// 设置参数---设置消息实体 也就是携带的数据
StringEntity entity = new StringEntity(jsonObject.toString(), Charset.forName("UTF-8"));
// 设置编码格式
entity.setContentEncoding("UTF-8");
// 发送Json格式的数据请求
entity.setContentType("application/json");
// 把请求消息实体塞进去
httpPatch.setEntity(entity);
// 执行http的post请求
CloseableHttpResponse httpResponse;
String result = null;
try {
httpResponse = httpClient.execute(httpPatch);
result = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 验证是否在电子围栏内部
* @param key 高德地图Web服务Api类型Key
* @param diu 设备唯一标识
* @param locations 设备经纬度
* @return
*/
public static String checkFence(String key,String diu,String locations){
//获取unix时间戳
String dateStr = Long.toString(System.currentTimeMillis()/1000L);
String url = "https://restapi.amap.com/v4/geofence/status?key="+ key +"&diu="+ diu +"&locations=" + locations+","+dateStr;
String result = null;
CloseableHttpResponse response = null;
CloseableHttpClient httpclient = HttpClients.createDefault();
try {
// 创建uri
URIBuilder builder = new URIBuilder(url);
URI uri = builder.build();
// 创建http GET请求
HttpGet httpGet = new HttpGet(uri);
// 执行请求
response = httpclient.execute(httpGet);
if (response.getStatusLine().getStatusCode() == 200) {
result = EntityUtils.toString(response.getEntity(), "UTF-8");
}
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
/**
* 删除地理围栏
* @param key 高德地图Web服务Api类型Key
* @param gid 地理围栏全局ID 创建围栏后返回
* @return
*/
public static String deleteFence(String key,String gid){
//组装URL
String url = "https://restapi.amap.com/v4/geofence/meta?key="+ key +"&gid=" + gid;
String result = null;
CloseableHttpResponse response = null;
CloseableHttpClient httpclient = HttpClients.createDefault();
try {
// 创建uri
URIBuilder builder = new URIBuilder(url);
URI uri = builder.build();
// 创建http DELETE请求
HttpDelete httpDelete = new HttpDelete(uri);
// 执行请求
response = httpclient.execute(httpDelete);
if (response.getStatusLine().getStatusCode() == 200) {
result = EntityUtils.toString(response.getEntity(), "UTF-8");
}
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
}
转载请注明作者 可可可可可 可以哦，楼主很棒棒 羡慕，努力学习JAVA mark下，做电子围栏项目可以用到 mark下... 最大支持多大范围呢 每个点间距离是多少呀 学习学习{:1_918:} 电子围栏~插眼，指不定什么时候就用上了{:1_921:}
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