話不多說，上代碼
實例代碼
下面方法，在網頁中先引入jsencrypt.min.js。然后調用ToEncrypt方法示例輸出加密，解密后的結果。
<script src="/js/jsencrypt.min.js"></script>
//加密測試function ToEncrypt(){// 假設這是從服務器獲取的公鑰（通常是通過HTTPS） var privateKey = `-----BEGIN RSA PRIVATE KEY-----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\nGmT4f8YLqF+NdXaXcYgNHPDB43wCQ2GVeVvNEgIAItAw1TuRG7KC\n-----END RSA PRIVATE KEY-----\n`;var publicKey =`-----BEGIN RSA PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtYlkBiWSjQ42TCzGVOfv\nJxap7aT/ODwf0tjqOeBNDQvjLzHIoafjFk9McdyTgOpPx2gXRZuuRkjuVDVqdPRq\nMGKpM/YDU64IImNFBtkM7dUuufa0jJNE/SRHy4Wb1ayvLW6/O6J471ZV7/hpKmDk\nUPCuVPADHa8z4bYpp0dalniNj1LLNOkbwyyxLFKGUwyaTk+RyXw5pn4jU2ZtnSfS\nANEOIOKP7pzLUztZx7f9dSw2tuMsWy91UFZHrtMdDU0vZjMbMZUR9DtQJsN6di2+\n1dMluWBHuHwf9+ydItVo2SGGgZ50Dfw4N4vR7Vgh6fTF0oLanIB0fIe2m0piBVXs\nqwIDAQAB\n-----END RSA PUBLIC KEY-----\n`;// 實例化JSEncrypt對象 var encryptor = new JSEncrypt(); encryptor.setPublicKey(publicKey); // 要加密的數據 var plaintext = "Hello, RSA234234!"; // 使用公鑰加密數據 var encrypted = encryptor.encrypt(plaintext); // 將加密后的數據發送到服務器（例如，通過AJAX請求） // ... console.log('Encrypted:', plaintext);console.log(encrypted);console.log('Encrypted:', encrypted);// 實例化JSEncrypt對象并設置私鑰 var decryptor = new JSEncrypt(); decryptor.setPrivateKey(privateKey); // 使用私鑰解密數據 var decrypted = decryptor.decrypt(encrypted); // 輸出解密后的數據 console.log('Decrypted:', decrypted);
}
)