Base64Util.java

package com.realmo.utils;

import android.util.Base64;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import java.io.UnsupportedEncodingException;

/**
 * Base64编码（加密、解密）
 */
public class Base64Util {

 /**
 * 加密
 */
 public static String encode(String str){
 try {
 return Base64.encodeToString(str.getBytes("utf-8"), Base64.DEFAULT);
 } catch (UnsupportedEncodingException e) {
 e.printStackTrace();
 }
 return new String(Base64.encode(str.getBytes(), Base64.DEFAULT));
 }

 public static String encodeByte(byte[] bytes){
 return Base64.encodeToString(bytes, Base64.DEFAULT);
 }

 /**
 * 对象转JSON后加密
 */
 public static String encodeObject(Object object){
 Gson gson=new GsonBuilder().create();
 String str = gson.toJson(object);
 try {
 return Base64.encodeToString(str.getBytes("utf-8"), Base64.DEFAULT);
 } catch (UnsupportedEncodingException e) {
 e.printStackTrace();
 }
 return new String(Base64.encode(str.getBytes(), Base64.DEFAULT));
 }

 /**
 * 解密
 */
 public static String decode(String strBase64){
 byte[] bytes = Base64.decode(strBase64, Base64.DEFAULT);
 try {
 return new String(bytes, "utf-8");
 } catch (UnsupportedEncodingException e) {
 e.printStackTrace();
 }
 return new String(bytes);
 }

 /**
 * 解密返回byte[]
 */
 public static byte[] decodeToBytes(String strBase64){
 return Base64.decode(strBase64, Base64.DEFAULT);
 }

 public static byte[] decodeToBytes(byte[] strBase64){
 return Base64.decode(strBase64, Base64.DEFAULT);
 }
}