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第一段编写成功的Java代码。

2007-05-27 16:22 369 查看
import java.sql.*;

public class Sb {
 public static void main(String[] args) {
  Connection con;
  Statement sql, sql2;
  ResultSet rs, rs2;

  try {
   Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
  }
  catch(ClassNotFoundException e) {
   System.out.println("寻找不到该类" + e.getMessage());
  }
  
  try {
   con = DriverManager.getConnection("JDBC:ODBC:300gui","","");
   sql = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
   sql2 = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
   rs = sql.executeQuery("SELECT * FROM glass ORDER BY PersonNumber");
   rs2 = sql2.executeQuery("SELECT * FROM main ORDER BY PersonNumber");

   rs.last();
   int a = rs.getRow();
   rs.first();
   rs2.last();
   int b = rs2.getRow();
   rs2.first();

   for(int i=1;i<=a;i++) {
    rs.absolute(i);
    String p1 = rs.getString(3);
    String i1 = rs.getString(4);
    int w1 = rs.getInt(8);
    for(int j=1;j<=b;j++) {
     rs2.absolute(j);
     String p2 = rs2.getString(3);
     String i2 = rs2.getString(4);
     int w2 = rs2.getInt(8);
     if(p2.equals(p1) && i2.equals(i1)) {
      rs2.updateInt("Wages",w1);
      rs2.updateRow();
      System.out.println(w1);
      break;
     }
           }
   }
   
   rs2.first();
   for(int k=1;k<=b;k++) {
    rs2.absolute(k);
    String x = rs2.getString(3);
    String y = rs2.getString(4);
    int z = rs2.getInt(8);
    
    System.out.print("个人编号; " + x + " ");
    System.out.print("身份证号; " + y + " ");
    System.out.println("工资; " + z + " ");
   }
  }
  catch(SQLException e) {
   System.out.println("数据库操作错误!" + e.getMessage());
  }
 }
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