login_jsp.java

来自「手机在线系统 采用Java 中的J2ME, JSP 跟MySql 运行环」· Java 代码 · 共 172 行

JAVA
172 行
字号 
package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import com.j2me.databases.*;

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

  private static java.util.Vector _jspx_dependants;

  public java.util.List 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=gb2312");
      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("\r\n");
      out.write("<HEAD>\r\n");
      out.write("\r\n");
      out.write("<TITLE> New Document </TITLE>\r\n");
      out.write("\r\n");
      out.write("</HEAD>\r\n");
      out.write("\r\n");
      out.write("<BODY>\r\n");

    
	 User u = null;
	 try
	 {
		 u = new User();
		 u.connect();
	 }
	 catch(ClassNotFoundException e)
	{
         out.println(e.getMessage());
	}

	try
	{
		String user = null; 
		String password = null	;
		ResultSet rs = u.viewUser("select *from user;");

		 while (rs.next())
		{

            //id=rs.getString(1);
            user =rs.getString(1);
			byte[] tmpbyte=user.getBytes("8859_1"); 
            user = new String(tmpbyte); 	  
		    password=rs.getString(2);
            out.println( "   "+ user + " " + password);
		        
        }  

	}
	catch(SQLException sqlexception)
     {
           out.println(sqlexception.getMessage());
	 }


	
	/*Statement stmt = null;
    ResultSet rs = null;
  
    
		 
     Connection con=null;

	String driver="org.gjt.mm.mysql.Driver"; 
    String url="jdbc:mysql://localhost/wuhua?user=root&password=123&useUnicode=true&characterEncoding=ISO8859_1";

    try 
	{	  //DataBaseConnection daf = new DataBaseConnection();
         Class.forName(driver);
         con = DriverManager.getConnection(url);
         out.println("Connection is established.");		
		
	}

     
     catch(ClassNotFoundException e)
	{
         out.println("Driver can not be found.");
	}
	 
     catch(SQLException sqlexception)
     {
           out.println("Connection can not be established.");
           out.println(sqlexception.getMessage());
      }		   
    
	try
	{
      
		String sql = "SELECT *FROM user"; //"Insert Into user(name, password) values('饶荣庆', 'rrq123')";

		stmt = con.createStatement();
        rs = stmt.executeQuery(sql);
	   // String id = null ;
        String user = null; 
		String password = null	;	 
	
        while (rs.next())
		{

            //id=rs.getString(1);
            user =rs.getString(1);
			byte[] tmpbyte=user.getBytes("8859_1"); 
            user = new String(tmpbyte); 	  
		    password=rs.getString(2);
            out.println( "   "+ user + " " + password);
		        
        }  

	}

	catch (SQLException e)
	{
         out.println("SQL Exception.");
    } 	 */

	 

      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("</BODY>\r\n");
      out.write("</HTML>\r\n");
    } 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);
    }
  }
}

login_jsp.java - 源码说明

本页面展示了「手机在线系统 采用Java 中的J2ME, JSP 跟MySql 运行环境是：jsdk1.4以上」中的 login_jsp.java 源码文件，采用 Java 编程语言编写，共 172 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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