获取客户端请求IP及IP所属城市-Toy模板网

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添加pom依赖

<dependency>
<groupId>org.lionsoul</groupId>
<artifactId>ip2region</artifactId>
<version>2.6.5</version>
</dependency>

public class IpUtil {
private static Searcher searcher;
private static final String DEFAULT_UNKNOWN="unknown";
private static final int IP_MIN_LENGTH=0;
static{
try {
ResponseEntity<byte[]> entity= buildResponseEntity("ip2region.xdb");
searcher = Searcher.newWithBuffer(entity.getBody());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static String getIpAddress(HttpServletRequest request) {
String ip = DEFAULT_UNKNOWN;
try {
ip = request.getHeader("X-Forwarded-For");
if (ip == null || ip.length() == IP_MIN_LENGTH || DEFAULT_UNKNOWN.equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == IP_MIN_LENGTH || DEFAULT_UNKNOWN.equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == IP_MIN_LENGTH || DEFAULT_UNKNOWN.equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (ip == null || ip.length() == IP_MIN_LENGTH || DEFAULT_UNKNOWN.equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ip == null || ip.length() == IP_MIN_LENGTH || DEFAULT_UNKNOWN.equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
// 处理多级代理情况
if (StringUtils.isNotBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
int index = ip.indexOf(",");
if (index > 0) {
return ip.substring(0, index);
}
}
}catch(Exception e){
e.printStackTrace();
}
return ip;
}

public static String getCityByIp(String ip) {
if ("127.0.0.1".equals(ip) || ip.startsWith("192.168")) {
return "局域网";
}

if (searcher == null) {
return "...";
}
String region = null;
String errorMessage = null;
try {
region = searcher.search(ip);
} catch (Exception e) {
errorMessage = e.getMessage();
if (errorMessage != null && errorMessage.length() > 256) {
errorMessage = errorMessage.substring(0, 256);
}
e.printStackTrace();
}
return region;
}

public static ResponseEntity<byte[]> buildResponseEntity(String templateName) throws IOException {
ClassPathResource classPathResource = new ClassPathResource(templateName);
String filename = classPathResource.getFilename();
@Cleanup InputStream inputStream = classPathResource.getInputStream();
byte[] bytes = FileCopyUtils.copyToByteArray(inputStream);
// 解决中文乱码问题
String fileName = new String(filename.getBytes("UTF-8"), "iso-8859-1");
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
headers.setContentDispositionFormData("attachment", fileName);
return new ResponseEntity<byte[]>(bytes, headers, HttpStatus.CREATED);
}

public static void main(String[] args){
System.out.println("********/"+ getCityByIp("61.154.231.236"));
}
}

完整代码：https://download.csdn.net/download/paj123456789/88478095文章来源地址https://www.toymoban.com/news/detail-714196.html

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