vue登录 滑动验证，记住密码及AES加密解密

?相关依赖

npm install?js-cookie  //js-cookie
npm install crypto-js  //AES加密解密
npm install -S vue-puzzle-vcode  //滑动验证

<template>
  <div class="login">
    <div class="login-box">
      <!-- 标题 -->
      <div class="imgbox">
        <h2>安检设备管理系统</h2>
      </div>
      <!-- 表单 -->
      <el-form
        ref="ruleForm"
        :rules="loginrules"
        label-width="0px"
        class="login-form"
        :model="loginForm"
      >
        <!-- 账号 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="el-icon-user"
            v-model="loginForm.username"
            placeholder="请输入账号"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            prefix-icon="el-icon-lock"
            v-model="loginForm.password"
            placeholder="请输入密码"
            show-password
          ></el-input>
        </el-form-item>
        <!-- 记住密码 -->
        <el-checkbox v-model="isRemenber">记住密码</el-checkbox>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    <!-- 滑动验证功能 -->
    <Vcode
      :show="isVcodeShow"
      @success="successFn"
      @close="isVcodeShow = false"
    />
  </div>
</template>

<script>
//   import { openLoading, closeLoading } from "@/components/loading";
import Vcode from "vue-puzzle-vcode";
import axios from "axios";
import Cookies from "js-cookie";
import CryptoJS from "crypto-js";

export default {
  components: {
    Vcode,
  },
  data() {
    return {
      isRemenber: false, //记住密码
      isVcodeShow: false, // 验证码模态框是否出现
      //表单输入框
      loginForm: {
        username: "",
        password: "",
      },
      //表单验证
      loginrules: {
        username: [
          { required: true, message: "请输入账号", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 5 个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  created() {
    this.init();
  },
  methods: {
    init() {
      const userInformation = Cookies.get("userInformation")
        ? Cookies.get("userInformation")
        : "";
      if (userInformation) {
        // 对密码进行解密
        this.loginForm = this.EncryptionDecryption(false, userInformation);
        // 将是否记住密码置为true
        this.isRemenber = true;
      } else {
        this.loginForm = {
          username: "",
          password: "",
        };
      }
    },
    //重置按钮
    reset() {
      //resetFields 重置为初始值
      this.$refs.ruleForm.resetFields();
    },
    //点击登录
    login() {
      //表单预验证
      //validate对表单进行验证第一个参数是布尔值 第二个参数是对象
      this.$refs.ruleForm.validate((valid) => {
        if (!valid) return;
        this.isVcodeShow = true;
      });
    },
    // 用户通过了验证
    successFn() {
      this.isVcodeShow = false; // 通过验证后，需要手动隐藏模态框
      // openLoading();
      this.callHttp();
    },
    async callHttp() {
      //   const { data: res } = await this.$http.post(
      //     `system/ssologin/Login?username=${this.loginForm.username}&password=${this.loginForm.password}`,
      //     {}
      //   );

      //   if (res.msg !== "登录成功") {
      //     //   closeLoading();
      //     return this.$message.error("登录失败，账号或密码不正确");
      //   }
      //   this.$message.success("登录成功");

      // 登录成功后 判断是否选择了勾选密码
      if (this.isRemenber) {
        //将信息加到cookie
        Cookies.set(
          "userInformation",
          this.EncryptionDecryption(true, this.loginForm),
          {
            expires: 30, // 存储30天
          }
        );
      } else {
        // 删除cookie
        Cookies.remove("userInformation");
      }

      //将token加到cookies
      //   Cookies.set("token", res.data.token, {
      //     expires: 30, // 存储30天
      //   });

      //   // closeLoading();
      //   //跳转到home页面
      //   this.$router.push("/home");
    },

    //加密解密方法
    EncryptionDecryption(isShow, data) {
      //秘钥
      let aesKey = "e10adc3949ba59abbe56e057f20f883e";

      //将秘钥转换成Utf8字节数组
      let key = CryptoJS.enc.Utf8.parse(aesKey);

      // 加密参数
      const option = {
        iv: CryptoJS.enc.Utf8.parse(aesKey.substr(0, 16)),
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7,
      };

      if (isShow) {
        //加密
        let encrypt = CryptoJS.AES.encrypt(JSON.stringify(data), key, option);
        let encryptData = encrypt.toString();
        return encryptData;
      } else {
        //解密
        let decrypt = CryptoJS.AES.decrypt(data, key, option);
        let decryptData = JSON.parse(decrypt.toString(CryptoJS.enc.Utf8)); //解密后的数据
        return decryptData;
      }
    },
  },
};
</script>

<style lang="less" scoped>
.login {
  width: 100%;
  height: 100%;
  // background-image: url(../assets/veer-157272718.jpg);
  // background-repeat: no-repeat;
  // background-size: 100% 100%;
}
.login-box {
  width: 450px;
  height: 300px;
  background-color: white;
  border-radius: 5px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 20px;

  .imgbox {
    text-align: center;
  }
}

.login-form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0px 25px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>

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