Base64的编码解码

• Maven

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<dependency>      <groupId>org.apache.tomcat</groupId>      <artifactId>tomcat-util</artifactId>      <version>10.0.10</version> </dependency>

• Base64的编码解码

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import com.alibaba.fastjson.JSONObject; import org.apache.tomcat.util.codec.binary.Base64; import java.io.UnsupportedEncodingException;   public class EDbase64 {     /**      * 编码      */     public static String encodeBase64(String encodeStr) {         try {             encodeStr = new String(Base64.encodeBase64(encodeStr.getBytes("UTF-8")));             return encodeStr;         } catch (UnsupportedEncodingException e) {             e.printStackTrace();             return null;         }     }       /**      * 解码      */     public static String decodeBase64(String decodeStr) {         try {             decodeStr = new String(Base64.decodeBase64(decodeStr.getBytes()),"UTF-8");             return decodeStr;           } catch (UnsupportedEncodingException e) {             e.printStackTrace();             return null;         }     }       public static void main(String[] args) {         JSONObject json = new JSONObject();         json.put("a","123");         json.put("b","qaz");         json.put("c","测试");           String encode = EDbase64.encodeBase64(JSONObject.toJSONString(json));         System.out.println("加密：" + encode);           String decode = EDbase64.decodeBase64(encode);         System.out.println("解密：" + decode);     } }