db_jsp.java

来自「Internet 开发技术分章节代码和自己完成的课程设计全代码（在zuoye文件」· Java 代码 · 共 94 行

JAVA
94 行
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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;

public final class db_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.List _jspx_dependants;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html;  charset=GBK");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=GBK\">\r\n");
      out.write("<title>Access数据库</title>\r\n");
      out.write("</head>\r\n");
      out.write("<body>\r\n");
      out.write("从Access数据库读取表数据：<hr>\r\n");
      out.write("<table border=1>\r\n");
      out.write("<tr><td>学号</td><td>姓名</td><td>成绩</td></tr>\r\n");

    String driverName="sun.jdbc.odbc.JdbcOdbcDriver"; //定义JDBC-ODBC驱动程序对象
    String dbName="bookDB"; //定义数据库名  
    String tableName="bookTable"; //定义数据库中的表名
    String userName=""; //定义数据库用户名  
    String userPasswd=""; //定义数据库存取密码  
    String conURL="jdbc:odbc:"+dbName; //定义JDBC的URL对象
    String sql="SELECT * FROM "+tableName;  //定义SQL语言对象
    Class.forName(driverName); //加载JDBC-ODBC驱动程序
    Connection con=DriverManager.getConnection(conURL,userName,userPasswd);//连接数据库
    Statement s=con.createStatement();  //定义查询数据库的对象  
    ResultSet rs=s.executeQuery(sql); //得到student表查询的结果集
    while(rs.next())
    {
	    out.println("<tr>");
	    out.println("<td>"+rs.getString("itemId")+"</td>");
	    out.println("<td>"+rs.getString("description")+"</td>");
	    out.println("<td>"+rs.getFloat("price")+"</td>");
	    out.println("<td>"+rs.getString("producer")+"</td>");
		out.println("</tr>");
    }
    rs.close();
    s.close();  //释放Statement所连接的数据库及JDBC资源
    con.close(); //关闭与数据库的连线

      out.write("  \r\n");
      out.write("</table>\r\n");
      out.write("</body>\r\n");
      out.write("</html>");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}

db_jsp.java - 源码说明

本页面展示了「Internet 开发技术分章节代码和自己完成的课程设计全代码（在zuoye文件夹里）使用时」中的 db_jsp.java 源码文件，采用 Java 编程语言编写，共 94 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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