使用wordpress建站时,如需要显示用户所在国家、省份以及城市,通过新浪的IP查询工具接口利用json可以快速实现 。第一步:在function.php加入以下代码:
function ruikeedu_getip(){ if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) { $ip = getenv("HTTP_CLIENT_IP"); } else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) { $ip = getenv("HTTP_X_FORWARDED_FOR"); } else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) { $ip = getenv("REMOTE_ADDR"); } else if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown")) { $ip = $_SERVER['REMOTE_ADDR']; } else { $ip = "unknown"; } return $ip; } function ruikeedu_getLocation($ip=''){ empty($ip) && $ip = ruikeedu_getip(); if($ip=="127.0.0.1") return "本机地址"; $api = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=$ip"; $json = @file_get_contents($api);//调用新浪IP地址库 $arr = json_decode($json,true);//解析json $country = $arr['country']; //取得国家 $province = $arr['province'];//获取省份 $city = $arr['city']; //取得城市 if((string)$country == "中国"){ if((string)($province) != (string)$city){ $_location = $province.$city; }else{ $_location = $country.$city; } }else{ $_location = $country; } return $_location; }
第二步:在需要显示访客地址的地方写入下面的代码:
欢迎您,来自<?php echo ruikeedu_getLocation();?>
的朋友!