? npm install?crypto-js

import CryptoJS from 'crypto-js'
// 默認(rèn)的 KEY 與 iv 如果沒(méi)有給
const KEY = CryptoJS.enc.Utf8.parse("63eeac68cf074c8c");
const IV = CryptoJS.enc.Utf8.parse('63eeac68cf074c8c');
/**
 * AES加密 ：字符串 key iv  返回base64
 */
export function Encrypt(word, keyStr, ivStr) {
  let key = KEY;
  let iv = IV;  
  if (keyStr) {
    key = CryptoJS.enc.Utf8.parse(keyStr);
    iv = CryptoJS.enc.Utf8.parse(ivStr);
  }
  let srcs = CryptoJS.enc.Utf8.parse(word);
  var encrypted = CryptoJS.AES.encrypt(srcs, key, {
    iv: iv, 
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.ZeroPadding
  });
  return CryptoJS.enc.Base64.stringify(encrypted.ciphertext);
}
/**
 * AES 解密 ：字符串 key iv  返回base64
 *
 * @return {string}
 */
export function Decrypt(word, keyStr, ivStr) {
  let key  = KEY;
  let iv = IV;
  if (keyStr) {
    key = CryptoJS.enc.Utf8.parse(keyStr);
    iv = CryptoJS.enc.Utf8.parse(ivStr);
  }
  let base64 = CryptoJS.enc.Base64.parse(word);
  let src = CryptoJS.enc.Base64.stringify(base64);
  let decrypt = CryptoJS.AES.decrypt(src, key, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.ZeroPadding
  });
  let decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
  return decryptedStr.toString();
}

<template>
  <div>
    <h1>Login Page</h1>
    <form>
      <label for="username">Username:</label>
      <input type="text" id="username" v-model="username">
      <br>
      <label for="password">Password:</label>
      <input type="password" id="password" v-model="password">
      <br>
      <button type="submit" @click.prevent="login">Login</button>
    </form>
  </div>
</template>
<script>
import { reactive } from 'vue';
import {Encrypt} from '../utils/Secret.js'
export default {
  data: function() {
	return {
	  username: '',
	  password: ''
	}
  },
  methods: {
	login: function() {
	  let userName = this.username;
	  let pword = this.password;
	  console.log("userName:"+userName+"password1:"+pword);
	  pword = Encrypt(pword);
	  console.log("password2:"+pword);
	  fetch('http://localhost:8100/api/demo/login', {
	    method: 'POST',
	    headers: {
	      'Content-Type': 'application/json'
	    },
	    body: JSON.stringify({
	      userName: userName,
	      passward: pword
	    })
	  })
	  .then(response => response.json())
	  .then(data => console.log(data))
	  .catch(error => console.error(error));
	}
  }
};
</script>

    <dependencies>
        <!--密碼解密-->
        <dependency>
            <groupId>org.bouncycastle</groupId>
            <artifactId>bcprov-jdk15on</artifactId>
            <version>1.60</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>RELEASE</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>com.alibaba.fastjson2</groupId>
            <artifactId>fastjson2</artifactId>
            <version>2.0.23</version>
        </dependency>
    </dependencies>

package org.example.utils;
import org.apache.tomcat.util.codec.binary.Base64;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
/**
 * @author coderJim
 * @date 2023-04-25 00:07
 */
public class SecretUtils {
    /***
     * key和iv值可以隨機(jī)生成
     */
    private static String KEY = "63eeac68cf074c8c";
    private static String IV = "63eeac68cf074c8c";
    /***
     * 加密
     * @param  data 要加密的數(shù)據(jù)
     * @return encrypt
     */
    public static String encrypt(String data){
        return encrypt(data, KEY, IV);
    }
    /***
     * param data 需要解密的數(shù)據(jù)
     * 調(diào)用desEncrypt（）方法
     */
    public static String desEncrypt(String data){
        return desEncrypt(data, KEY, IV);
    }
    /**
     * 加密方法
     * @param data  要加密的數(shù)據(jù)
     * @param key 加密key
     * @param iv 加密iv
     * @return 加密的結(jié)果
     */
    private static String encrypt(String data, String key, String iv){
        try {
            //"算法/模式/補(bǔ)碼方式"NoPadding PkcsPadding
            Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
            int blockSize = cipher.getBlockSize();
            byte[] dataBytes = data.getBytes();
            int plaintextLength = dataBytes.length;
            if (plaintextLength % blockSize != 0) {
                plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
            }
            byte[] plaintext = new byte[plaintextLength];
            System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
            SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
            IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
            cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
            byte[] encrypted = cipher.doFinal(plaintext);
//            return new Base64().encodeToString(encrypted);
            return Base64.encodeBase64String(encrypted);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
    /**
     * 解密方法
     * @param data 要解密的數(shù)據(jù)
     * @param key  解密key
     * @param iv 解密iv
     * @return 解密的結(jié)果
     */
    private static String desEncrypt(String data, String key, String iv){
        try {
            byte[] encrypted1 = new Base64().decode(data);
            Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
            SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");
            IvParameterSpec ivSpec = new IvParameterSpec(iv.getBytes());
            cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
            byte[] original = cipher.doFinal(encrypted1);
            return new String(original).trim();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
}

package org.example;
import com.alibaba.fastjson2.JSONObject;
import org.example.utils.SecretUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
 * @author coderJim
 * @date 2023-04-25 00:24
 */
@RestController
@RequestMapping("/api/demo")
public class DemoContoller {
    @PostMapping("login")
    public Boolean login(@RequestBody(required = true) JSONObject json){
        String passward =  json.getString("passward");
        passward = SecretUtils.desEncrypt(passward);
        System.out.println("passward:"+passward);
        return true;
    }
}