主要就是官方的这个图：
前端调用接口，得到腾讯发过来的几个数据，前端把这几个数据给后端，后端拿到这些数据后传给腾讯，让其判断是否正常，以及其他属性。
程序运行截图如下：
点击登录后，拖动正确进行跳转，拖动错误就重新输入
看看后台的打印：
这个是腾讯反馈的数据，response为1说明是正常，风险等级为0
程序结构如下：
源码如下：
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); // 临时输出 JSONObject result = JSON.parseObject(res); // 返回码 int code = result.getInteger("response"); // 恶意等级 int evilLevel = result.getInteger("evil_level"); // 验证成功 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 { //验证 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("验证出错！"); } }); vailCode.show(); } </script></head><body><form id="form1" method="post" action="login"> <p> <input id="Ticket" name="Ticket" type="hidden" value=""> <input id="Randstr" name="Randstr" type="hidden" value=""> <input type="button" value="登录" id="btnOK" οnclick="vail()" /> </p></form></body></html>
success.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %><html><head> <title>Title</title></head><body><h1>SUCCESS</h1></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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本文标题: Java 腾讯验证码平台使用实例
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