distance/distance_point

计算地图上两点之间的距离

URL

http://api.t.sina.com.cn/location/distance/distance_point.(json%7Cxml)

支持格式

XML/JSON

HTTP请求方式

GET

是否需要登录

true

请求数限制

true

请求参数

返回结果

JSON示例

{"distance":{"length":"123"},"distance_attr":{"versionname":"1.0.7.2"}}

其它

PHP示例

需要开启PHP的cURL扩展

<?php
//改为你的微博账号，用户名和密码之间用:隔开
$userPwd = 'user@sina.com:pwd';
//改为你微博应用的appkey
$appkey = '0123456789';

$url = "http://api.t.sina.com.cn/location/distance/distance_point.json?x1=116.1111111&y1=39.1111111&x2=116.1111111&y2=39.1122222&source=$appkey";

$rst = curlSample($url,$userPwd);

echo $rst;

function curlSample($url,$userPwd,$postFields = '',$header = ''){
	$ch = curl_init() or die (curl_error()) ;
	curl_setopt($ch,CURLOPT_URL,$url);
	curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
	curl_setopt($ch,CURLOPT_TIMEOUT,30);
	if(!empty($userPwd)){
		curl_setopt($ch,CURLOPT_USERPWD,$userPwd);
	}
	if(!empty($postFields)){
		curl_setopt($ch,CURLOPT_POST,true);
		curl_setopt($ch,CURLOPT_POSTFIELDS,$postFields);
	}
	if(!empty($header)){
		curl_setopt($ch, CURLOPT_HTTPHEADER,$header);
	}
	$result = curl_exec($ch) or die (curl_error($ch));
	curl_close($ch);
	return $result;
}
?>