摘要:
1、Java 写入文本文件源码import java.io.BufferedWriter;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStreamWriter; public class TxtWriter { public static void appendToFile(String content, File file) throws IOException { TxtWriter.appendToFile(co... 阅读全文
摘要:
View Code 1 import javax.crypto.Cipher; 2 import javax.crypto.spec.IvParameterSpec; 3 import javax.crypto.spec.SecretKeySpec; 4 5 import sun.misc.BASE64Decoder; 6 import sun.misc.BASE64Encoder; 7 8 /******************************************************************************* 9 ... 阅读全文
摘要:
import java.security.InvalidAlgorithmParameterException;import java.security.InvalidKeyException;import java.security.NoSuchAlgorithmException;import java.security.SecureRandom;import java.security.spec.AlgorithmParameterSpec;import javax.crypto.BadPaddingException;import javax.crypto.Cipher;import 阅读全文