Java騰訊驗(yàn)證碼平臺(tái)使用實(shí)例-創(chuàng)新互聯(lián)
主要就是官方的這個(gè)圖：
前端調(diào)用接口，得到騰訊發(fā)過來的幾個(gè)數(shù)據(jù)，前端把這幾個(gè)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(yùn)行截圖如下：
點(diǎn)擊登錄后，拖動(dòng)正確進(jìn)行跳轉(zhuǎn)，拖動(dòng)錯(cuò)誤就重新輸入
看看后臺(tái)的打印：
這個(gè)是騰訊反饋的數(shù)據(jù)，response為1說明是正常，風(fēng)險(xiǎn)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(shí)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(yàn)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(yàn)證
String ticket = request.getParameter("Ticket");
String randstr = request.getParameter("Randstr");
String userIP = request.getRemoteAddr();
verifyTicket(ticket, randstr, userIP);
response.sendRedirect("success.jsp");
}
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