您好,登錄后才能下訂單哦!
主要就是官方的這個圖:
前端調(diào)用接口,得到騰訊發(fā)過來的幾個數(shù)據(jù),前端把這幾個數(shù)據(jù)給后端,后端拿到這些數(shù)據(jù)后傳給騰訊,讓其判斷是否正常,以及其他屬性。
程序運行截圖如下:
點擊登錄后,拖動正確進行跳轉(zhuǎn),拖動錯誤就重新輸入
看看后臺的打?。?/p>
這個是騰訊反饋的數(shù)據(jù),response為1說明是正常,風險等級為0
程序結(jié)構(gòu)如下:
源碼如下:
LoginServlet.java
import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.net.URLEncoder; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import org.apache.http.HttpEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.util.EntityUtils; @WebServlet(value = "/login") public class LoginServlet extends HttpServlet{ private static final String APP_ID = "xxxxxxxxxx"; private static final String APP_SECRET = "xxxxxxxxxx**"; private static final String VERIFY_URI = "https://ssl.captcha.qq.com/ticket/verify?aid=%s&AppSecretKey=%s&Ticket=%s&Randstr=%s&UserIP=%s"; public static int verifyTicket(String ticket, String rand, String userIp) { CloseableHttpClient httpclient = HttpClients.createDefault(); HttpGet httpGet; CloseableHttpResponse response = null; try { httpGet = new HttpGet(String.format(VERIFY_URI, APP_ID, APP_SECRET, URLEncoder.encode(ticket, "UTF-8"), URLEncoder.encode(rand, "UTF-8"), URLEncoder.encode(userIp, "UTF-8") )); response = httpclient.execute(httpGet); HttpEntity entity = response.getEntity(); if (entity != null) { String res = EntityUtils.toString(entity); System.out.println(res); // 臨時輸出 JSONObject result = JSON.parseObject(res); // 返回碼 int code = result.getInteger("response"); // 惡意等級 int evilLevel = result.getInteger("evil_level"); // 驗證成功 if (code == 1) return evilLevel; } } catch (java.io.IOException e) { // 忽略 } finally { try { response.close(); } catch (Exception ignore) { } } return -1; } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //驗證 String ticket = request.getParameter("Ticket"); String randstr = request.getParameter("Randstr"); String userIP = request.getRemoteAddr(); verifyTicket(ticket, randstr, userIP); response.sendRedirect("success.jsp"); } }
web.xml
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" > <web-app> <display-name>Archetype Created Web Application</display-name> </web-app>
index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>qq</title> <script src="https://ssl.captcha.qq.com/TCaptcha.js"></script> <script type="text/javascript"> function vail(){ var vailCode = new TencentCaptcha('2047017221', function(res){ if(res.ret == 0){ var form = document.getElementById("form1"); var ticketInput = document.getElementById("Ticket"); var randstrInput = document.getElementById("Randstr"); ticketInput.value = res.ticket; randstrInput.value = res.randstr; // console.log("res.ticket:" + res.ticket); // console.log("res.randstr:" + res.randstr); form.submit(); } else{ alert("驗證出錯!"); } }); vailCode.show(); } </script> </head> <body> <form id="form1" method="post" action="login"> <div> <input id="Ticket" name="Ticket" type="hidden" value=""> <input id="Randstr" name="Randstr" type="hidden" value=""> <input type="button" value="登錄" id="btnOK" οnclick="vail()" /> </div> </form> </body> </html>
success.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <h2>SUCCESS</h2> </body> </html>
porn.xml
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>org.example</groupId> <artifactId>wxDemo</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <dependencies> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.62</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpcore</artifactId> <version>4.4.5</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.11</version> </dependency> </dependencies> </project>
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