腾讯防水墙接入

防水墙申请：https://007.qq.com/
前端：

			<form id="login" th:action="@{/admin/login}" th:method="post" >
                <div>
                    <label>账号</label>
                    <input type="text" id="username" name="username"/>
                </div>
                <div>
                    <label>密码</label>
                    <input type="password" id="password" name="password"/>
                </div>
                <br>
            </form>
			<!--点击此元素会自动激活验证码-->
            <!--id : 元素的id(必须)-->
            <!--data-appid : AppID(必须)-->
            <!--data-cbfn : 回调函数名(必须)-->
            <!--data-biz-state : 业务自定义透传参数(可选)-->
            <div id="control" style="text-align: center;margin-top: 10px;">
                <button id="TencentCaptcha" onclick="subForm()">点击验证并登录系统</button>
            </div>

function subForm(){
    
        var checkUserName = document.getElementById("username").value;
        var checkPassword = document.getElementById("password").value;
        if(checkUserName == ''){
    
            alert("请先输入用户名！");
        }else if(checkPassword == ''){
    
            alert("请输入密码！")
        }else{
    
            var captcha1 = new TencentCaptcha('填入appid', function(res) {
    
                if(res.ret === 0){
    
                    $.ajax({
    
                        type: "POST",
                        url: "/admin/check",
                        data: {
    
                            "ticket":res.ticket,
                            "randstr":res.randstr
                        },
                        success: function (data) {
    
                            if (data ===1) {
    
                                into();//验证成功，登录验证
                            }else{
    
                                alert("验证失败，请重新验证！");
                            }
                        }
                    })
                }else if(res.ret===2){
    
                    alert("验证已关闭，验证成功才能登录系统！");
                }
            });
            captcha1.show();
        }
    }
    function into() {
    
        $('#login').submit();//提交登录表单
    }

controller:

	@PostMapping("/admin/check")
    @ResponseBody
    public int check(@RequestParam("ticket") String ticket,
                     @RequestParam("randstr") String randstr){
    
        //防水墙验证
        return TCaptchaVerify.verifyTicket(ticket,randstr);
    }

实现类：

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;

import java.net.URLEncoder;

/** * 防水墙 */
public class TCaptchaVerify {
    
    private static final String APP_ID = "填充";
    private static final String APP_SECRET = "填充";
    private static final String VERIFY_URI = "https://ssl.captcha.qq.com/ticket/verify?aid=%s&AppSecretKey=%s&Ticket=%s&Randstr=%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");

                return code;
            }
        } catch (java.io.IOException e) {
    
            // 忽略
        } finally {
    
            try {
    
                response.close();
            } catch (Exception ignore) {
    
            }
        }

        return -1;
    }
}