Java 腾讯验证码平台使用实例

2023-08-02 10:12:04 312

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

importjavax.servlet.ServletException;
importjavax.servlet.annotation.WebServlet;
importjavax.servlet.http.HttpServlet;
importjavax.servlet.http.HttpServletRequest;
importjavax.servlet.http.HttpServletResponse;
importjava.io.IOException;
importjava.net.URLEncoder;

importcom.alibaba.fastjson.JSON;
importcom.alibaba.fastjson.JSONObject;
importorg.apache.http.HttpEntity;
importorg.apache.http.client.methods.CloseableHttpResponse;
importorg.apache.http.client.methods.HttpGet;
importorg.apache.http.impl.client.CloseableHttpClient;
importorg.apache.http.impl.client.HttpClients;
importorg.apache.http.util.EntityUtils;


@WebServlet(value="/login")
publicclassLoginServletextendsHttpServlet{


privatestaticfinalStringAPP_ID="xxxxxxxxxx";
privatestaticfinalStringAPP_SECRET="xxxxxxxxxx**";
privatestaticfinalStringVERIFY_URI="https://ssl.captcha.qq.com/ticket/verify?aid=%s&AppSecretKey=%s&Ticket=%s&Randstr=%s&UserIP=%s";

publicstaticintverifyTicket(Stringticket,Stringrand,StringuserIp){
CloseableHttpClienthttpclient=HttpClients.createDefault();
HttpGethttpGet;
CloseableHttpResponseresponse=null;
try{
httpGet=newHttpGet(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);

HttpEntityentity=response.getEntity();
if(entity!=null){
Stringres=EntityUtils.toString(entity);
System.out.println(res);//临时输出

JSONObjectresult=JSON.parseObject(res);
//返回码
intcode=result.getInteger("response");
//恶意等级
intevilLevel=result.getInteger("evil_level");

//验证成功
if(code==1)returnevilLevel;
}
}catch(java.io.IOExceptione){
//忽略
}finally{
try{
response.close();
}catch(Exceptionignore){
}
}

return-1;
}


publicvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)
throwsServletException,IOException{

this.doPost(request,response);
}

protectedvoiddoPost(HttpServletRequestrequest,HttpServletResponseresponse)
throwsServletException,IOException{

//验证
Stringticket=request.getParameter("Ticket");
Stringrandstr=request.getParameter("Randstr");
StringuserIP=request.getRemoteAddr();
verifyTicket(ticket,randstr,userIP);



response.sendRedirect("success.jsp");
}
}

web.xml




ArchetypeCreatedWebApplication

index.jsp

<%@pagecontentType="text/html;charset=UTF-8"language="java"%>



qq


functionvail(){
varvailCode=newTencentCaptcha('2047017221',function(res){
if(res.ret==0){
varform=document.getElementById("form1");
varticketInput=document.getElementById("Ticket");
varrandstrInput=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();
}

success.jsp

<%@pagecontentType="text/html;charset=UTF-8"language="java"%>


Title


SUCCESS

porn.xml



4.0.0

org.example
wxDemo
1.0-SNAPSHOT

war




com.alibaba
fastjson
1.2.62



org.apache.httpcomponents
httpcore
4.4.5



org.apache.httpcomponents
httpclient
4.5.11

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Java 腾讯验证码平台使用实例

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