Implementation code for Java port monitoring

This article gives you the content is about the Java port Monitoring implementation code, there is a certain reference value, there is a need for friends to refer to, I hope you have some help.

Import Java.io.*;import java.net.serversocket;import Java.net.socket;import Java.sql.connection;import Java.sql.drivermanager;import Java.sql.preparedstatement;import Java.sql.sqlexception;import java.sql.Statement; Import Java.text.simpledateformat;import Java.util.date;public class Test {public static void main (string[] args) throws IOException, ClassNotFoundException, SQLException {//client SimpleDateFormat format = new SimpleDateFormat (" Yyyymmddhhmmss "); try {printstream out = new PrintStream (" D://systemout "+ Format.format (new Date ()) +". txt "); System.setout (out);} catch (FileNotFoundException e) {e.printstacktrace ();} System.out.println ("AAA");//1, create client socket, specify server address and port ServerSocket serversocket = new ServerSocket (7080); while ( true) {Socket socket = serversocket.accept ();//2, get output stream, send message to server/* * Scanner Scanner =new Scanner (socket.getinputstream ());//Create a client input stream * (for display on the server) * * String msg; while (Scanner.hasnextline ()) {//Gets the information sent by the client msg=scanner.nextline (); * SYSTEM.OUT.PRINTLN (msg);} */bufferedinputstream bis = new Bufferedinputstream (Socket.getinputstream ());D atainputstream dis = new DataInputStream (bis); byte[] bytes = new Byte[1];  Read one bytestring ret at a time = "" while (Dis.read (bytes)! =-1) {ret + = bytestohexstring (bytes) + ""; if (dis.available () = = 0) {//A request System.out.print (ret + ');}} String ret = "06" (09) 04 FE 0d FF 6e FF-All-in-a-C7 CB Fe 0c-0 1 2f 0a, 3c 1c, 1d "; SYSTEM.OUT.PRINTLN ("---"); String Ret1 = ret.substring (0, Ret.length ()); System.out.println ("Valid string is:" + ret1); String Ret2 = ret1.substring (0, 24); SYSTEM.OUT.PRINTLN ("Registration code:" + Ret2); String Ret3 = ret1.substring (24, 75); SYSTEM.OUT.PRINTLN ("Device code:" + Ret3); String Ret4 = ret1.substring (, ret1.length ()); SYSTEM.OUT.PRINTLN ("Data:" + ret4); String zcm = ret2.substring (0, Ret2.length ()). ReplaceAll ("", ""); String SS1 = ret4.substring (9, +). ReplaceAll ("", ""); String ss2 = ret4.substring (si, si). ReplaceAll ("", ""); String SS3 = ret4.suBstring (SI), ReplaceAll ("", ""); String SS4 = ret4.substring (.) ReplaceAll ("", ""); int year = Integer.parseint (ss1.substring (0, 4). ReplaceAll ("^0[x | X] "," "), 16); System.out.println ("Years:" + year), int month = Integer.parseint (ss1.substring (4, 6). ReplaceAll ("^0[x| X] "," "), 16); System.out.println ("Month:" + month); int day = Integer.parseint (ss1.substring (6, 8). ReplaceAll ("^0[x| X] "," "), 16); System.out.println ("Days:" + day); int hour = Integer.parseint (ss1.substring (8, ten). ReplaceAll ("^0[x| X] "," "), 16); System.out.println ("Time:" + hour); int min = Integer.parseint (ss1.substring (Ten). ReplaceAll ("^0[x| X] "," "), 16); System.out.println ("min:" + min); int sec = Integer.parseint (ss1.substring). ReplaceAll ("^0[x| X] "," "), 16); System.out.println ("Seconds:" + sec); int temp = Integer.parseint (ss2.substring (0, 4). ReplaceAll ("^0[x| X] "," "), 16); SYSTEM.OUT.PRINTLN ("Temp:" + temp); int sw = Integer.parseint (ss2.substring (4, 8). ReplaceAll ("^0[x| X] "," "), 16); System.out.println ("Water level:" + sw);//The date and time of the string type are stored directly to the numberAccording to the library String date = string.valueof (year) + "-" + string.valueof (Month) + "-" + string.valueof (day); SYSTEM.OUT.PRINTLN (date); String time = string.valueof (hour) + "when" + string.valueof (min) + "minute" + string.valueof (sec) + "SEC"; System.out.println (time); String drivername = "Com.mysql.jdbc.Driver"; String Dburl = "Jdbc:mysql://localhost:3306/dire"; String userName = "root"; String userpwd = "sa"; Class.forName (drivername); Connection con = drivermanager.getconnection (Dburl, UserName, userpwd); SYSTEM.OUT.PRINTLN ("Connection to Database Success"); Statement stat = con.createstatement (); String sql = "INSERT into Shuju (registration code, date, time, temperature, water level) VALUES (?,?,?,?,?)"; PreparedStatement pstmt;try {pstmt = (preparedstatement) con.preparestatement (SQL);p stmt.setobject (1, zcm); Pstmt.setobject (2, date);p Stmt.setobject (3, time);p Stmt.setobject (4, temp);p stmt.setobject (5, SW); Pstmt.executeupdate ();p stmt.close (); Con.close ();} catch (SQLException e) {e.printstacktrace ();} SYSTEM.OUT.PRINTLN ("Success");}} public static String bytestohexstring (byte[] src) {StrinGbuilder StringBuilder = new StringBuilder (""); if (src = = NULL | | Src.length <= 0) {return null;} for (int i = 0; i < src.length; i++) {int v = src[i] & 0xFF; String HV = integer.tohexstring (v), if (Hv.length () < 2) {stringbuilder.append (0);} Stringbuilder.append (HV);} return stringbuilder.tostring ();}}