JAvaツールクラス--整理(更新継続)

    /**
     *                 
     * 
     * @param date
     * @return String
     */
    public static String dateToStr(java.util.Date date)
    {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String str = sdf.format(date);
        return str;
    }

    /**
     *             
     * 
     * @param n
     * @return boolean
     */
    public static boolean isPrimes(int n)
    {
        for (int i = 2; i <= Math.sqrt(n); i++)
        {
            if (n % i == 0)
            {
                return false;
            }
        }
        return true;
    }

    /**
     *    byte   16           
     * 
     * @param hint
     *            String
     * @param b
     *            byte[]
     * @return void
     */
    public static void printHexString(String hint, byte[] b)
    {
        System.out.print(hint);
        for (int i = 0; i < b.length; i++)
        {
            String hex = Integer.toHexString(b[i] & 0xFF);
            if (hex.length() == 1)
            {
                hex = '0' + hex;
            }
            System.out.print(hex.toUpperCase() + " ");
        }
        System.out.println("");
    }

/**
     *        
     * 
     * @param value
     * @return String
     */
    public static String hangeToBig(double value)
    {
        char[] hunit = { ' ', ' ', ' ' }; //       
        char[] vunit = { ' ', ' ' }; //     
        char[] digit = { ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ' }; //     
        long midVal = (long) (value * 100); //      
        String valStr = String.valueOf(midVal); //       

        String head = valStr.substring(0, valStr.length() - 2); //      
        String rail = valStr.substring(valStr.length() - 2); //      

        String prefix = ""; //          
        String suffix = ""; //          
        //          
        if (rail.equals("00"))
        { //        0
            suffix = " ";
        }
        else
        {
            suffix = digit[rail.charAt(0) - '0'] + " " + digit[rail.charAt(1) - '0'] + " "; //          
        }
        //          
        char[] chDig = head.toCharArray(); //             
        char zero = '0'; //   '0'     0
        byte zeroSerNum = 0; //     0   
        for (int i = 0; i < chDig.length; i++)
        { //         
            int idx = (chDig.length - i - 1) % 4; //      
            int vidx = (chDig.length - i - 1) / 4; //     
            if (chDig[i] == '0')
            { //        0
                zeroSerNum++; //   0    
                if (zero == '0')
                { //   
                    zero = digit[0];
                }
                else if (idx == 0 && vidx > 0 && zeroSerNum < 4)
                {
                    prefix += vunit[vidx - 1];
                    zero = '0';
                }
                continue;
            }
            zeroSerNum = 0; //   0    
            if (zero != '0')
            { //       0,   ,   ,    
                prefix += zero;
                zero = '0';
            }
            prefix += digit[chDig[i] - '0']; //        
            if (idx > 0)
                prefix += hunit[idx - 1];
            if (idx == 0 && vidx > 0)
            {
                prefix += vunit[vidx - 1]; //              , 
            }
        }

        if (prefix.length() > 0)
            prefix += ' '; //         ,      
        return prefix + suffix; //       
    }

    /**
     *          
     * 
     * @param QJStr
     * @return String
     */
    public static final String QJToBJChange(String QJStr)
    {
        char[] chr = QJStr.toCharArray();
        String str = "";
        for (int i = 0; i < chr.length; i++)
        {
            chr[i] = (char) ((int) chr[i] - 65248);
            str += chr[i];
        }
        return str;
    }

    /**   
     *                           
     * @param obj     
     * @return    
     * @throws NoSuchMethodException    
     * @throws InvocationTargetException    
     * @throws IllegalAccessException    
     * @throws InstantiationException    
     * @throws SecurityException    
     * @throws IllegalArgumentException    
     */
    @SuppressWarnings("unchecked")
    public static Object copy(Object obj) throws IllegalArgumentException, SecurityException, InstantiationException, IllegalAccessException,
                    InvocationTargetException, NoSuchMethodException
    {
        //           
        Class classType = obj.getClass();

        //                 ，getConstructor                   
        Object objectCopy = classType.getConstructor(new Class[]{}).newInstance(new Object[]{});

        //             
        Field[] fields = classType.getDeclaredFields();

        for(int i = 0; i < fields.length; i++)
        {
            //              
            Field field = fields[i];

            String fieldName = field.getName();
            String stringLetter = fieldName.substring(0, 1).toUpperCase();

            //       getXXX setXXX        
            String getName = "get" + stringLetter + fieldName.substring(1);
            String setName = "set" + stringLetter + fieldName.substring(1);

            //           
            Method getMethod = classType.getMethod(getName, new Class[]{});
            Method setMethod = classType.getMethod(setName, new Class[]{field.getType()});

            //      getXXX（）      
            Object value = getMethod.invoke(obj, new Object[]{});

            //       setXXX（）      
            setMethod.invoke(objectCopy, new Object[]{value});
        }

        return objectCopy;
    }

MySQL：    
    String Driver="com.mysql.jdbc.Driver";    //    
    String URL="jdbc:mysql://localhost:3306/db_name";    //   URL,db_name         
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).new Instance();
    Connection con=DriverManager.getConnection(URL,Username,Password);
Microsoft SQL Server 2.0  (3 jar   ):
    String Driver="com.microsoft.jdbc.sqlserver.SQLServerDriver";    //  SQL      
    String URL="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=db_name";    //db_name     
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).new Instance();    //       
    Connection con=DriverManager.getConnection(URL,UserName,Password);    //
Microsoft SQL Server 3.0  (1 jar   ): //      
    String Driver="com.microsoft.sqlserver.jdbc.SQLServerDriver";    //  SQL      
    String URL="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=db_name";    //db_name     
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).new Instance();    //       
    Connection con=DriverManager.getConnection(URL,UserName,Password);    //
Sysbase:
    String Driver="com.sybase.jdbc.SybDriver";    //    
    String URL="jdbc:Sysbase://localhost:5007/db_name";    //db_name     
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).newInstance();    
    Connection con=DriverManager.getConnection(URL,Username,Password);
Oracle( thin  ):
    String Driver="oracle.jdbc.driver.OracleDriver";    //        
    String URL="jdbc:oracle:thin:@loaclhost:1521:orcl";    //orcl     SID
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).newInstance();    //       
    Connection con=DriverManager.getConnection(URL,Username,Password);    
PostgreSQL:
    String Driver="org.postgresql.Driver";    //        
    String URL="jdbc:postgresql://localhost/db_name";    //db_name     
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).newInstance();    
    Connection con=DriverManager.getConnection(URL,Username,Password);
DB2：
    String Driver="com.ibm.db2.jdbc.app.DB2.Driver";    //    DB2    Provider  
    //String Driver="com.ibm.db2.jdbc.net.DB2.Driver";    //     DB2    Provider  
    String URL="jdbc:db2://localhost:5000/db_name";    //db_name     
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).newInstance();    
    Connection con=DriverManager.getConnection(URL,Username,Password);
Informix:
    String Driver="com.informix.jdbc.IfxDriver";    
    String URL="jdbc:Informix-sqli://localhost:1533/db_name:INFORMIXSER=myserver";    //db_name     
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).newInstance();    
    Connection con=DriverManager.getConnection(URL,Username,Password);
JDBC-ODBC:
    String Driver="sun.jdbc.odbc.JdbcOdbcDriver";
    String URL="jdbc:odbc:dbsource";    //dbsource     
    String Username="username";    //   
    String Password="password";    //  
    Class.forName(Driver).newInstance();    
    Connection con=DriverManager.getConnection(URL,Username,Password);