数据库使用通配符

[java]代码库

import java.sql.*;
public class AddRecord {
   String datasourceName="";        //数据源名
   String tableName="";            //表名
   String number="",      //雇员号 
          name="",        //姓名
          birthday;       //出生日期
   double salary;         //薪水
   public AddRecord() {
      try{  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      }
      catch(ClassNotFoundException e) {
         System.out.print(e);
      } 
    }
   public void setDatasourceName(String s) {
      datasourceName=s.trim();
   }
   public void setTableName(String s) {
      tableName=s.trim();
   }
    public void setNumber(String s) {
       number=s.trim();
    }
    public void setName(String s) {
       name=s.trim();
    }
    public void setSalary(double n) {
       salary=n;
    }
    public void setBirthday(String b) {
        birthday=b;
    }
    public String addRecord()
    {  String str="";
       Connection con;
       PreparedStatement sql; 
       try { String uri="jdbc:odbc:"+datasourceName; 
             String id="";
             String password="";
             con=DriverManager.getConnection(uri,id,password);
             String insertCondition="INSERT INTO employee VALUES (?,?,?,?)";
             sql=con.prepareStatement(insertCondition);
             if(number.length()>0) {
               sql.setString(1,number);
               sql.setString(2,name);
               sql.setString(3,birthday);
               sql.setDouble(4,salary);
               int m=sql.executeUpdate();
               if(m!=0) 
                   str="对表中添加"+m+"条记录成功";
               else 
                  str="添加记录失败";
            }
            else {
               str="必须要有雇员号";
            }
            con.close();
       }
       catch(SQLException e) { 
            str="你还没有提供添加的数据或"+e;
       }
       return str;
    }
}   
import java.sql.*;
import java.util.*;
public class Example14_10 {
   public static void main(String args[]) {
     AddRecord insertRecord=new AddRecord();
     String datasorce="star";
     String tableName="employee";
     insertRecord.setDatasourceName(datasorce);
     insertRecord.setTableName(tableName);
     insertRecord.setNumber("110");
     insertRecord.setName("里向扬");
     insertRecord.setBirthday("1990-12-10");
     insertRecord.setSalary(3000);
     String backMess=insertRecord.addRecord();
     System.out.println(backMess);
     insertRecord.setNumber("111");
     insertRecord.setName("卫里六");
     insertRecord.setBirthday("1996-12-15");
     insertRecord.setSalary(6000);
     backMess=insertRecord.addRecord();
     System.out.println(backMess);
  }
}