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@@ -0,0 +1,131 @@
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+package xyz.hsj030208.controller;
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+
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+import jakarta.servlet.http.HttpServletResponse;
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+import lombok.extern.slf4j.Slf4j;
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+import org.jsoup.Jsoup;
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+import org.jsoup.nodes.Document;
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+import org.jsoup.nodes.Element;
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+import org.jsoup.select.Elements;
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+import org.springframework.web.bind.annotation.GetMapping;
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+import org.springframework.web.bind.annotation.RequestMapping;
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+import org.springframework.web.bind.annotation.RequestParam;
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+import org.springframework.web.bind.annotation.RestController;
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+import xyz.hsj030208.model.Vo.ApiDetail;
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+
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+
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+import java.io.IOException;
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+import java.io.PrintWriter;
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+import java.net.InetAddress;
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+import java.net.UnknownHostException;
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+
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+@RestController
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+@RequestMapping("/ip")
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+@Slf4j
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+public class IPApiController {
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+
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+ @GetMapping("/ip.cn/get")
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+ public ApiDetail getIpDetail(@RequestParam String ip, HttpServletResponse response) throws IOException {
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+ if (!isValidIPAddress(ip)) {
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+ log.error("参数错误，无法解析成ip");
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+ try {
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+ // 设置HTTP状态码为400（Bad Request）
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+ response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
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+ response.setContentType("application/json;charset=UTF-8");
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+
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+ // 构建错误响应JSON
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+ String errorJson = "{\"code\": 400, \"message\": \"参数不合法，请输入正确的IP\"}";
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+
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+ PrintWriter out = response.getWriter();
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+ out.print(errorJson);
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+ out.flush();
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+
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+ } catch (IOException e) {
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+ log.error("写入响应错误: {}", e.getMessage());
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+ }
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+ return null;
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+ }
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+ String url = "https://ip.cn/ip/" + ip + ".html";
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+ ApiDetail apiDetail = new ApiDetail();
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+ apiDetail.setIp(ip);
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+ // 连接到目标网址并获取HTML文档
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+ Document doc = Jsoup.connect(url)
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+ .userAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36") // 设置用户代理，模拟浏览器
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+ .timeout(10000)
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+ .get(); // 执行GET请求
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+ Elements metaElements = doc.select("meta[name=description]");
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+
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+ // 通常一个标准HTML页面只有一个description的meta标签，取第一个即可
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+ if (!metaElements.isEmpty()) {
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+ Element metaDescription = metaElements.first();
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+ String content = metaDescription.attr("content"); // 获取content属性的值
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+ String result = content.split("，")[1];
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+ result = result.replace(ip + "归属地为：", "");
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+ String[] split = result.split(" ");
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+ String country = split[0];
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+ apiDetail.setCountry(country);
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+ String province = split[1];
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+ apiDetail.setProvince(province);
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+ String carrier = split[split.length - 1];
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+ apiDetail.setCarrier(carrier);
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+ String city = result.replace(country, "").replace(province, "").replace(carrier, "").trim();
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+ apiDetail.setCity(city);
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+ return apiDetail;
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+ } else {
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+ log.error("未找到meta标签");
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+ try {
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+ // 设置HTTP状态码为400（Bad Request）
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+ response.setStatus(HttpServletResponse.SC_NOT_FOUND);
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+ response.setContentType("application/json;charset=UTF-8");
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+
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+ // 构建错误响应JSON
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+ String errorJson = "{\"code\": 404, \"message\": \"未找到对应结果\"}";
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+
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+ PrintWriter out = response.getWriter();
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+ out.print(errorJson);
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+ out.flush();
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+
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+ } catch (IOException e) {
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+ log.error("写入响应错误: {}", e.getMessage());
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+ }
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+ return null;
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+ }
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+ }
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+
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+
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+ public boolean isValidIPAddress(String ipAddress) {
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+ try {
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+ // getByName方法会尝试解析字符串。如果它是IP地址，则直接返回InetAddress对象；
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+ // 如果是域名，则会尝试进行DNS解析，这里通过检查是否抛出来排除域名。
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+ InetAddress inet = InetAddress.getByName(ipAddress);
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+ // 一个额外的检查：确保返回的IP地址字符串表示形式与输入一致，以避免将域名误判为IP。
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+ return inet.getHostAddress().equals(ipAddress);
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+ } catch (UnknownHostException e) {
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+ return false;
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+ }
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+ }
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+
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+// @GetMapping("/get/")
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+// public ApiDetail getIpDetail(String ip, HttpServletResponse response) {
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+// HttpClient client = HttpClient.newHttpClient();
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+//
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+// HttpRequest request = HttpRequest.newBuilder()
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+// .uri(URI.create("https://rest.ipw.cn/api/ip/query?ip=" + ip + "&lang=zh"))
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+// .GET()
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+// .setHeader("accept", "application/json, text/plain, */*")
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+// .setHeader("accept-language", "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6")
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+// .setHeader("cache-control", "no-cache")
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+// .setHeader("origin", "https://ipw.cn")
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+// .setHeader("pragma", "no-cache")
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+// .setHeader("priority", "u=1, i")
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+// .setHeader("referer", "https://ipw.cn/")
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+// .setHeader("sec-ch-ua", "\"Microsoft Edge\";v=\"143\", \"Chromium\";v=\"143\", \"Not A(Brand\";v=\"24\"")
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+// .setHeader("sec-ch-ua-mobile", "?0")
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+// .setHeader("sec-ch-ua-platform", "\"Windows\"")
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+// .setHeader("sec-fetch-dest", "empty")
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+// .setHeader("sec-fetch-mode", "cors")
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+// .setHeader("sec-fetch-site", "same-site")
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+// .setHeader("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0")
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+// .build();
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+// HttpResponse<String> jsonResponse = client.send(request, HttpResponse.BodyHandlers.ofString());
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+// }
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+}
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