若依Vue3版本集成aj-capcha修改前后端代码实现注册时开启滑块验证码

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前言

本文在修改代码前已经完成了 aj-capcha 的后端集成，后端相关代码编写和修改，完成了前端的集成，登录逻辑相关代码的编写。此文章只做注册逻辑相关代码的修改。

叠甲声明

本人只是一个菜鸟，很多技术和技巧也是学习各位大佬的，写博客只是总结学习，防止以后忘记，说不定哪天自己还能用上，如果有幸被人看到，还能帮到大家本人倍感荣幸，文章中如有错误，还请各位大佬指出，本人定虚心接受学习，本意是自己学习，技术很菜，请各位勿笑。

后端

  1. 修改路径 com/ruoyi/framework/web/service/SysRegisterService.java 文件的 register 方法。
 * 注册
 */
public String register(RegisterBody registerBody)
{
    String msg = "", username = registerBody.getUsername(), password = registerBody.getPassword();
    SysUser sysUser = new SysUser();
    sysUser.setUserName(username);

    // 验证码开关
    boolean captchaEnabled = configService.selectCaptchaEnabled();
    if (captchaEnabled)
    {
        validateCaptcha(username, registerBody.getCode());
    }

    if (StringUtils.isEmpty(username))
    {
        msg = "用户名不能为空";
    }
    else if (StringUtils.isEmpty(password))
    {
        msg = "用户密码不能为空";
    }
    else if (username.length() < UserConstants.USERNAME_MIN_LENGTH
            || username.length() > UserConstants.USERNAME_MAX_LENGTH)
    {
        msg = "账户长度必须在2到20个字符之间";
    }
    else if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
            || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
    {
        msg = "密码长度必须在5到20个字符之间";
    }
    else if (!userService.checkUserNameUnique(sysUser))
    {
        msg = "保存用户'" + username + "'失败，注册账号已存在";
    }
    else
    {
        sysUser.setNickName(username);
        sysUser.setPassword(SecurityUtils.encryptPassword(password));
        boolean regFlag = userService.registerUser(sysUser);
        if (!regFlag)
        {
            msg = "注册失败,请联系系统管理人员";
        }
        else
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.REGISTER, MessageUtils.message("user.register.success")));
        }
    }
    return msg;
}

仅删除了 register 方法中的 uuid 参数。

2.继续在该方法下替换验证码校验方法（validateCaptcha）---该方法是aj-captcha的校验方法

/**
 * 校验验证码 aj-captcha验证方式
 *
 * @param username 用户名
 * @param code 验证码
 * @return 结果
 */
public void validateCaptcha(String username, String code)
{
    boolean captchaEnabled = configService.selectCaptchaEnabled();
    if (captchaEnabled)
    {
        CaptchaVO captchaVO = new CaptchaVO();
        captchaVO.setCaptchaVerification(code);
        ResponseModel response = captchaService.verification(captchaVO);
        if (!response.isSuccess())
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
            throw new CaptchaException();
        }
    }
}

3.最后一点需要注意，在这里面会使用到 CaptchaService ，但是在注入的时候会选择使用懒注入的方式。可能会需要手动导包。

@Autowired
@Lazy
private CaptchaService captchaService;

记得导入的是这个包

import org.springframework.context.annotation.Lazy;

前端

  1. 建议直接复制下方代码
<template>
  <div class="register">
    <el-form ref="registerRef" :model="registerForm" :rules="registerRules" class="register-form">
      <h3 class="title">快洁达后台管理系统</h3>
      <el-form-item prop="username">
        <el-input v-model="registerForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
          <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="registerForm.password" type="password" size="large" auto-complete="off" placeholder="密码"
          @keyup.enter="handleRegister">
          <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="confirmPassword">
        <el-input v-model="registerForm.confirmPassword" type="password" size="large" auto-complete="off"
          placeholder="确认密码" @keyup.enter="handleRegister">
          <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>

      <Verify @success="capctchaCheckSuccess" :mode="'pop'" :captchaType="'blockPuzzle'"
        :imgSize="{ width: '330px', height: '155px' }" ref="verify" v-if="captchaEnabled"></Verify>

      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="large" type="primary" style="width:100%;" @click.prevent="handleRegister">
          <span v-if="!loading">注 册</span>
          <span v-else>注 册 中...</span>
        </el-button>
        <div style="float: right;">
          <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-register-footer">
      <span>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { ElMessageBox } from "element-plus";
import { register } from "@/api/login";
import Verify from "@/components/Verifition/Verify";
import { isCaptchaEnabled } from "@/api/login";


const router = useRouter();
const { proxy } = getCurrentInstance();

const registerForm = ref({
  username: "",
  password: "",
  confirmPassword: "",
  code: "",
});

const equalToPassword = (rule, value, callback) => {
  if (registerForm.value.password !== value) {
    callback(new Error("两次输入的密码不一致"));
  } else {
    callback();
  }
};

const registerRules = {
  username: [
    { required: true, trigger: "blur", message: "请输入您的账号" },
    { min: 2, max: 20, message: "用户账号长度必须介于 2 和 20 之间", trigger: "blur" }
  ],
  password: [
    { required: true, trigger: "blur", message: "请输入您的密码" },
    { min: 5, max: 20, message: "用户密码长度必须介于 5 和 20 之间", trigger: "blur" }
  ],
  confirmPassword: [
    { required: true, trigger: "blur", message: "请再次输入您的密码" },
    { required: true, validator: equalToPassword, trigger: "blur" }
  ],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
const captchaEnabled = ref(true);

function handleRegister() {
  // 显示验证码组件
  proxy.$refs.verify.show();
}

function capctchaCheckSuccess(params) {
  registerForm.value.code = params.captchaVerification;
  proxy.$refs.registerRef.validate(valid => {
    if (valid) {
      loading.value = true;
      register(registerForm.value).then(res => {
        const username = registerForm.value.username;
        ElMessageBox.alert("<font color='red'>恭喜你，您的账号 " + username + " 注册成功！</font>", "系统提示", {
          dangerouslyUseHTMLString: true,
          type: "success",
        }).then(() => {
          router.push("/login");
        }).catch(() => { });
      }).catch(() => {
        loading.value = false;
        if (captchaEnabled) {
          getCaptchaEnabled();
        }
      });
    }
  });
}

// 获取验证码开关
function getCaptchaEnabled() {
  isCaptchaEnabled().then(res => {
    console.log('Captcha enabled:', res.captchaEnabled); // 添加日志输出
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
  });
}

getCaptchaEnabled();
</script>

<style lang='scss' scoped>
.register {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.register-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.register-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.register-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.register-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>

前端代码修改地方

准备工作 --- 导入相关组件和方法

import Verify from "@/components/Verifition/Verify";
import { isCaptchaEnabled } from "@/api/login";

1.增加验证码框

<Verify @success="capctchaCheckSuccess" :mode="'pop'" :captchaType="'blockPuzzle'" :imgSize="{ width: '330px', height: '155px' }" ref="verify" v-if="captchaEnabled"></Verify>

2.删除注册表单中的 uuid 参数

const registerForm = ref({
  username: "",
  password: "",
  confirmPassword: "",
  code: "",
});

3.实现验证码开关

// 获取验证码开关
function getCaptchaEnabled() {
  isCaptchaEnabled().then(res => {
    console.log('Captcha enabled:', res.captchaEnabled); // 添加日志输出
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
  });
}
getCaptchaEnabled();

4.修改登录逻辑

function handleRegister() {
  // 显示验证码组件
  proxy.$refs.verify.show();
}

function capctchaCheckSuccess(params) {
  registerForm.value.code = params.captchaVerification;
  proxy.$refs.registerRef.validate(valid => {
    if (valid) {
      loading.value = true;
      register(registerForm.value).then(res => {
        const username = registerForm.value.username;
        ElMessageBox.alert("<font color='red'>恭喜你，您的账号 " + username + " 注册成功！</font>", "系统提示", {
          dangerouslyUseHTMLString: true,
          type: "success",
        }).then(() => {
          router.push("/login");
        }).catch(() => { });
      }).catch(() => {
        loading.value = false;
        if (captchaEnabled) {
          getCaptchaEnabled();
        }
      });
    }
  });
}
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