package com.yb.service;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.yb.config.XzConfig;
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import com.yb.helper.RsaHelper;
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import com.yb.util.EntityHttpUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.locationtech.jts.geom.*;
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import org.locationtech.jts.operation.buffer.BufferOp;
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import org.geotools.geometry.jts.JTS;
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import org.geotools.referencing.CRS;
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import org.locationtech.jts.geom.Coordinate;
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import org.locationtech.jts.geom.GeometryFactory;
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import org.locationtech.jts.geom.Point;
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//import org.opengis.referencing.FactoryException;
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//import org.opengis.referencing.crs.CoordinateReferenceSystem;
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//import org.opengis.referencing.operation.MathTransform;
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import org.locationtech.proj4j.CRSFactory;
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import org.locationtech.proj4j.CoordinateReferenceSystem;
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import org.locationtech.proj4j.CoordinateTransform;
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import org.locationtech.proj4j.CoordinateTransformFactory;
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import org.locationtech.proj4j.ProjCoordinate;
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import java.util.HashMap;
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@Service
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public class XzService {
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@Autowired
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private XzConfig xzConfig;
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@Autowired
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private EntityHttpUtil entityHttpUtil;
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@Autowired
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private AgentService agentService;
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// 关键字查询
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public String getQueryFiled(String place, String filed, String layerId, String dbId, String queryEntity) throws Exception {
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String valSql = " like '%" + place + "%'";
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String querySQL = getQuerySql(valSql, filed);
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HashMap formData = getHashMap(layerId, dbId, "1", "0", querySQL, null);
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String jsonString = entityHttpUtil.getPostMessage(queryEntity, formData);
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System.out.println("rec getQueryFiled:" + jsonString);
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JSONObject jsonObject = JSON.parseObject(jsonString);
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JSONObject dataObjject = jsonObject.getJSONObject("data");
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JSONArray dataArray = dataObjject.getJSONArray("items");
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if (dataArray.size() > 0) {
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return dataArray.getJSONObject(0).toString();
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}
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return "";
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}
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private String getQuerySql(String valSql, String filed) throws Exception {
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String key = getPublickey();
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String querySQL = "";
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if (filed.indexOf(",") > -1) {
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String[] fileds = filed.split(",");
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for (int i = 0; i < fileds.length; i++) {
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String name = fileds[i];
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if (i > 0) {
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querySQL += ";";
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}
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String Sql = name + valSql + "";
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querySQL += RsaHelper.encrypt(key, Sql);
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}
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} else {
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String Sql = filed + valSql + "";
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querySQL = RsaHelper.encrypt(key, Sql);
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}
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return querySQL;
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}
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// 关键字查询
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public String getQueryEntity(String place, String filed, String layerId, String dbId, String queryEntity) throws Exception {
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String valSql = " like '%" + place + "%'";
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String querySQL = getQuerySql(valSql, filed);
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HashMap formData = getHashMap(layerId, dbId, "1", "100", querySQL, null);
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formData.put("querytype", "entity");
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String jsonString1 = entityHttpUtil.getPostMessage(queryEntity, formData);
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System.out.println("rec getQueryFiled:" + jsonString1);
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JSONObject jsonObject = JSON.parseObject(jsonString1);
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JSONObject dataObjject = jsonObject.getJSONObject("data");
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JSONArray dataArray = dataObjject.getJSONArray("items");
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if (dataArray.size() <= 0) {
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return null;
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}
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return dataArray.getJSONObject(0).toString();
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}
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// 范围查询
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public String getQueryAround(String type, String wkt, String filed, String layerId, String dbid, String entity) throws Exception {
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String query = filed + " like '%" + type + "%'" + "";
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if (type.contains("全部目标")) {
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query = filed + " like '%目标%'" + "";
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}
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String encrypt = RsaHelper.encrypt(getPublickey(), query);
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HashMap formData = getHashMap(layerId, dbid, "1", "0", encrypt, wkt);
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formData.put("querytype", "entity");
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String jsonString = entityHttpUtil.getPostMessage(entity, formData);
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JSONObject jsonObject = JSON.parseObject(jsonString);
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JSONObject dataObj = jsonObject.getJSONObject("data");
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JSONArray dataArray = dataObj.getJSONArray("items");
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return dataArray.toString();
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}
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//元信息查询
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public String getQueryMeta(String layerId, String dbid, String filed, String entity) {
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HashMap<String, Object> staticField = new HashMap<>();
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JSONArray jsonArray = new JSONArray();
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staticField.put("type", "count");
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staticField.put("field", filed);
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staticField.put("outfield", "count_" + filed);
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jsonArray.add(staticField);
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HashMap<String, String> formData = getHashMap(layerId, dbid, null, null, null, null);
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formData.put("statistics", jsonArray.toString());
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formData.put("groupby", filed);
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return entityHttpUtil.getPostMessage(entity, formData);
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}
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// 获取返回信息Map
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public HashMap<String, Object> getFuncMap(String func, String mid) {
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HashMap<String, Object> hash = new HashMap<String, Object>();
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hash.put("func", func);
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hash.put("mid", mid);
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return hash;
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}
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//获取秘钥接口
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public String getPublickey() {
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HashMap<String, String> map = new HashMap<>();
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map.put("token", xzConfig.token);
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String jsonString = entityHttpUtil.getPostMessage(xzConfig.publickey, map);
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JSONObject jsonObject = JSON.parseObject(jsonString);
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return jsonObject.getString("data");
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}
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// 传参
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public HashMap<String, String> getHashMap(String layerId, String dbid, String start, String count, String where, String box) {
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HashMap<String, String> hashMap = new HashMap<>();
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hashMap.put("token", xzConfig.token);
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hashMap.put("containCount", "true");
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hashMap.put("layerid", layerId);
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hashMap.put("dbid", dbid);
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if (start != null && start != "") {
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hashMap.put("start", start);
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}
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if (count != null && count != "") {
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hashMap.put("count", count);
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}
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if (where != null && where != "") {
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hashMap.put("where", where);
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}
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if (box != null && box != "") {
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hashMap.put("bbox", box);
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}
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return hashMap;
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}
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//生成WKT
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public String getWKt(double lon, double lat, int radius) throws Exception {
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// 创建一个坐标点
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Coordinate coord = new Coordinate(lon, lat);
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// 创建GeometryFactory实例，并指定坐标参考系统为WGS84
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GeometryFactory geometryFactory = new GeometryFactory(new PrecisionModel(), 4326);
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// 使用坐标创建一个点
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Point point = geometryFactory.createPoint(coord);
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// 创建BufferOp实例，用于生成缓冲区
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BufferOp bufferOp = new BufferOp(point);
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int dis = 500;
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if (radius != 0) {
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dis = radius;
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}
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// 设置缓冲区距离为500米
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Geometry bufferedGeometry = bufferOp.getResultGeometry(dis / 111319.9);
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// 创建WKTWriter实例，用于将Geometry转换为WKT格式
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// WKTWriter wktWriter = new WKTWriter();
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// 将缓冲区Geometry转换为WKT格式
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// String wkt = wktWriter.write(bufferedGeometry);
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// 输出WKT
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// System.out.println("WKT: " + wkt);
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Envelope envelope = bufferedGeometry.getEnvelopeInternal();
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// double[] wkt = new double[4];
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// wkt[0] = ;
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// wkt[1] =;
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// wkt[2] = envelope.getMaxX();
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// wkt[3] = envelope.getMaxY();
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//
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// wkt += envelope.getMinX();
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// wkt += ","+envelope.getMinY();
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// wkt += ","+envelope.getMaxX();
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// wkt += ","+envelope.getMaxY();
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// System.out.println("WKT: " + wkt);
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// String arrayAsString = Arrays.toString(wkt);
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// System.out.println("wkt: " + wkt);
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CoordinateTransformFactory ctFactory = new CoordinateTransformFactory();
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// 定义源坐标系（WGS 84）
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String srcCRS = "EPSG:4326";
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// 定义目标坐标系（中国大地坐标系）
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String destCRS = "EPSG:4550";
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// 创建坐标参考系统
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CRSFactory crsFactory = new CRSFactory();
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CoordinateReferenceSystem src = crsFactory.createFromName(srcCRS);
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CoordinateReferenceSystem dest = crsFactory.createFromName(destCRS);
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// 创建坐标转换器
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CoordinateTransform transform = ctFactory.createTransform(src, dest);
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// 定义一个源坐标点（经度，纬度）
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ProjCoordinate srcgetMin = new ProjCoordinate(envelope.getMinX(), envelope.getMinY(), 0); // 例如：北京的经纬度
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ProjCoordinate srcgetMax = new ProjCoordinate(envelope.getMaxX(), envelope.getMaxY(), 0); // 例如：北京的经纬度
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// 执行转换
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ProjCoordinate destgetMin = new ProjCoordinate();
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ProjCoordinate destgetMax = new ProjCoordinate();
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System.out.println("转换后的坐标：X = " + srcgetMin);
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transform.transform(srcgetMin, destgetMin);
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transform.transform(srcgetMax, destgetMax);
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String wkt = destgetMin.x + "," + destgetMin.y + "," + destgetMax.x + "," + destgetMax.y;
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System.out.println("转换后的坐标：X = " + wkt);
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return wkt;
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}
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}
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