weixin_40857858的博客

前提：对字符a进行编解码 1、编码原理：a–>01100001–>以6位为一组，变成 011000(24) 010000(16)–> 24在编码表中对应Y，16在编码表中对应Q，补充了4个0，两个0为当成=处理–>最终编码为YQ== 2、解码原理：先删除== -->变成YQ --> Y在编码中为24，Q在编码中为16，6位为一组，变成011000010000 --> 将011000010000变成01100001 --> a ...

public class AESUtils { public static String aesDecrypt(String encryptStr, String secretKey) throws Exception { byte[] decodeBytes = new BASE64Decoder().decodeBuffer(encryptStr); KeyGenerator keyGenerator = KeyGenerator.getInstance("AES"); Sec

{ “job”: { “setting”: { “speed”: { “channel”: 32 } }, “content”: [{ “reader”: { “name”: “mysqlreader”, “parameter”: { “username”: “数据库用户名”, “password”: “数据库密码”, “column”:[ “id”, “id”, “列名1”, “列名2”, “列名n” ], “connection”: [{ “table”: [ “表名1”, “表名2”, “表名n” ]

public class IpUtils { public static String getIpAddr(HttpServletRequest request) { String ipAddress = null; try { ipAddress = request.getHeader("x-forwarded-for"); if (ipAddress == null || ipAddress.length() ==

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