百度API经纬度和地址互相查询

1. /**
2. * 获取地址对应的坐标
3. * @param $address
4. * @return array
5. */
6. function getAddressPoint($address){
7. $lng = 0;
8. $lat = 0;
9. $url = 'http://api.map.baidu.com/geocoder?output=json&address=' . urlencode($address);
10. if(function_exists('curl_init')) {
11. $ch = curl_init();
12. curl_setopt($ch, CURLOPT_URL, $url);
13. curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
14. curl_setopt($ch, CURLOPT_HEADER, 0);
15. $data = curl_exec($ch);
16. curl_close($ch);
17. }else{
18. $data = file_get_contents($url,false,stream_context_create(array(
19. "http"=>array(
20. "method"=>"GET",
21. "timeout"=>1
22. ),
23. )));
24. }
25. $data = json_decode($data,true);
26. if($data && $data['status'] == 'OK' && isset($data['result']) && isset($data['result']['location']))
27. {
28. $lng = $data['result']['location']['lng'];
29. $lat = $data['result']['location']['lat'];
30. }
31. return array($lng,$lat);
32. }
33. /**
34. * 逆地理编码专属请求
35. * User: Lg
36. * Date: 2016/4/11
37. * @param $address
38. * @return array
39. */
40. function getAddress($lat,$lng){
41. $location = $lat.','.$lng;
42. $url = 'http://api.map.baidu.com/geocoder?callback=renderReverse&location='.$location.'&output=json&pois=1';
43. if(function_exists('curl_init')) {
44. $ch = curl_init();
45. curl_setopt($ch, CURLOPT_URL, $url);
46. curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
47. curl_setopt($ch, CURLOPT_HEADER, 0);
48. $data = curl_exec($ch);
49. curl_close($ch);
50. }else{
51. $data = file_get_contents($url,false,stream_context_create(array(
52. "http"=>array(
53. "method"=>"GET",
54. "timeout"=>1
55. ),
56. )));
57. }
58. $data = json_decode($data,true);
59. if($data && $data['status'] == 'OK' && isset($data['result']) && isset($data['result']['addressComponent']))
60. {
61. $province = $data['result']['addressComponent']['province'];
62. $city = $data['result']['addressComponent']['city'];
63. $district = $data['result']['addressComponent']['district'];
64. }
65. return array($province,$city,$district);
66. }