package com.nuvole.util;
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import cn.hutool.crypto.SecureUtil;
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import cn.hutool.http.HttpUtil;
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import lombok.extern.slf4j.Slf4j;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.TreeMap;
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/**
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* 腾讯地图工具类
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*
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* @Author: lc
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* @Date: 2019/6/28 14:57
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*/
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@Slf4j
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public class TencentMapUtil {
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//腾讯地图秘钥
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public static String k = "5DUBZ-M5AKR-MZQWH-WPFLA-N4MNT-KBF44";
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//腾讯地图位置展示地址
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public static String mapUrl = "https://apis.map.qq.com/tools/poimarker";
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//逆地址解析地址
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public static String locationUrl = "https://apis.map.qq.com/ws/geocoder/v1";
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//签名校验sk
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public static String SK = "jCtZhEfr0u6FR8DrBqOI3XnUlZ7NTN0";
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/**
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* 经纬度解析地址
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*
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* @param lat 纬度
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* @param lng 纬度
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* @Author: lc
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* @Date: 2019/6/28 15:13
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*/
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public static String getLocation(String lat, String lng) {
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//组装数据
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Map<String, Object> r = new HashMap<>();
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String url = "/ws/geocoder/v1?";
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r.put("location", lat + "," + lng);
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r.put("key", k);
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String sign = SecureUtil.md5(url + coverMap2String(r) + SK);
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r.put("sig", sign);
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String result = HttpUtil.get(locationUrl, r);
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return result;
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}
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/**
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* 由文字地址到经纬度的转换能力，并同时提供结构化的省市区地址信息。
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* @param address
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* @return
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*/
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public static String geocoder(String address) {
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//组装数据
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Map<String, Object> r = new HashMap<>();
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String url = "/ws/geocoder/v1?";
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r.put("address", address);
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r.put("key", k);
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String sign = SecureUtil.md5(url + coverMap2String(r) + SK);
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r.put("sig", sign);
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String result = HttpUtil.get(locationUrl, r);
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return result;
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}
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/**
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* 将参数按key进行字典升序排列key1=value1
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*/
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public static String coverMap2String(Map<String, Object> data) {
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TreeMap<String, Object> tree = new TreeMap<>();
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Iterator<Map.Entry<String, Object>> it = data.entrySet().iterator();
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while (it.hasNext()) {
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Map.Entry<String, Object> en = it.next();
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tree.put(en.getKey(), en.getValue());
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}
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it = tree.entrySet().iterator();
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StringBuffer sf = new StringBuffer(512);
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while (it.hasNext()) {
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Map.Entry<String, Object> en = it.next();
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sf.append(en.getKey() + "=" + en.getValue()
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+ "&");
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}
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return sf.substring(0, sf.length() - 1);
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}
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public static void main(String[] args) {
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System.out.println("is result:" + getLocation("34.799145", "113.649445"));
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}
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}
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