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  1. <?php
  2. /**
  3. * Created by PhpStorm.
  4. * User: Steven
  5. * Date: 2016/10/12
  6. * Time: 11:19
  7. */
  8. require_once 'util.class.php';
  9. class sinaUtils
  10. {
  11. private $SINA_APPKEY = "31641035";//Sina App_Key
  12. //获取请求结果
  13. function curlQuery($url)
  14. {
  15. //设置附加HTTP头
  16. $addHead = array(
  17. "Content-type: application/json"
  18. );
  19. //初始化curl,当然,你也可以用fsockopen代替
  20. $curl_obj = curl_init();
  21. //设置网址
  22. curl_setopt($curl_obj, CURLOPT_URL, $url);
  23. //附加Head内容
  24. curl_setopt($curl_obj, CURLOPT_HTTPHEADER, $addHead);
  25. //是否输出返回头信息
  26. curl_setopt($curl_obj, CURLOPT_HEADER, 0);
  27. //将curl_exec的结果返回
  28. curl_setopt($curl_obj, CURLOPT_RETURNTRANSFER, 1);
  29. //设置超时时间
  30. curl_setopt($curl_obj, CURLOPT_TIMEOUT, 15);
  31. //执行
  32. $result = curl_exec($curl_obj);
  33. //关闭curl回话
  34. curl_close($curl_obj);
  35. return $result;
  36. }
  37. //简单处理下url,sina对于没有协议(http://)开头的和不规范的地址会返回错误
  38. function filterUrl($url = '')
  39. {
  40. $url = trim(strtolower($url));
  41. $url = trim(preg_replace('/^http:\//', '', $url));
  42. if ($url == '')
  43. return false;
  44. else
  45. return urlencode('http://' . $url);
  46. }
  47. //根据长网址获取短网址
  48. function sinaShortenUrl($long_url)
  49. {
  50. $access_url = "https://api-ssl.bitly.com/v3/shorten?access_token=" . BITACCESSTOKEN . "&longUrl=" . $long_url;
  51. $result = utils::httpRequest($access_url);
  52. $return_result = json_decode($result, true);
  53. if ($return_result["status_code"] == 200) {
  54. $url = $return_result["data"]["url"];
  55. $return_url = str_replace("http://", "https://", $url);
  56. return $return_url;
  57. } else {
  58. return false;
  59. }
  60. //拼接请求地址,此地址你可以在官方的文档中查看到
  61. $url = 'http://api.t.sina.com.cn/short_url/shorten.json?source=' . $this->SINA_APPKEY . '&url_long=' . $long_url;
  62. //获取请求结果
  63. $result = curlQuery($url);
  64. //下面这行注释用于调试,
  65. //print_r($result);exit();
  66. //解析json
  67. $json = json_decode($result);
  68. //异常情况返回false
  69. if (isset($json->error) || !isset($json[0]->url_short) || $json[0]->url_short == '')
  70. return false;
  71. else
  72. return $json[0]->url_short;
  73. }
  74. //根据短网址获取长网址,此函数重用了不少sinaShortenUrl中的代码,以方便你阅读对比,你可以自行合并两个函数
  75. function sinaExpandUrl($short_url)
  76. {
  77. //拼接请求地址,此地址你可以在官方的文档中查看到
  78. $url = 'http://api.t.sina.com.cn/short_url/expand.json?source=' . $this->SINA_APPKEY . '&url_short=' . $short_url;
  79. //获取请求结果
  80. $result = curlQuery($url);
  81. //下面这行注释用于调试
  82. //print_r($result);exit();
  83. //解析json
  84. $json = json_decode($result);
  85. //异常情况返回false
  86. if (isset($json->error) || !isset($json[0]->url_long) || $json[0]->url_long == '')
  87. return false;
  88. else
  89. return $json[0]->url_long;
  90. }
  91. }