JDK 1.5 + ECLIPSE + TOMCAT 5.0.28 + MYSQL 5.0
Database TEST, table name news
Field: id int auto-increment, Title varchar (20), Content varchar (200), Author varchar (10)
MakeFile. jsp
<%
Connection conn = DBconn. getConnection ();
Statement stmt = conn. createStatement ();
ResultSet Rs = stmt.exe cuteQuery ("select * from news ");
System. out. println ("success ");
%>
<%
String filePath = request. getRealPath ("/") + "template.htm ";
System. out. println (filePath );
String templateContent;
FileInputStream fileinputstream = new FileInputStream (filePath );
Int lenght = fileinputstream. available (); // available () returns the number of bytes that can be read from the input stream of this file without blocking.
Byte bytes [] = new byte [lenght];
Fileinputstream. read (bytes); // read (byte [] B) reads data of up to B. length bytes into a byte array from the input stream.
Fileinputstream. close ();
// TemplateContent = new String (bytes );
String title;
String content;
String author;
While (Rs. next ())
{
TemplateContent = new String (bytes); // if this sentence is not used, the # ** # flag does not exist in templateContent after it is replaced. So we need to generate a new one.
Title = Rs. getString ("Title ");
Content = Rs. getString ("Content ");
Author = Rs. getString ("Author ");
Out. println (title + "*********" + content + "*****" + author );
Out. print ("The following is the template content: <br>" + templateContent + "<br> The following is the html content after replacement <br> TemplateContent = templateContent. replaceAll ("# title #", title );
TemplateContent = templateContent. replaceAll ("# author #", author); // replace the corresponding part of the module
TemplateContent = templateContent. replaceAll ("# content #", content );
// Get the file name by Time
Calendar calendar = Calendar. getInstance ();
String fileame = String. valueOf (calendar. getTimeInMillis () + ". html ";
Fileame = request. getRealPath ("/") + "Html/" + fileame; // save path of the generated html file
Out. print (templateContent );
FileOutputStream fileoutputstream = new FileOutputStream (fileame); // create a file output stream
Byte tag_bytes [] = templateContent. getBytes ();
Fileoutputstream. write (tag_bytes );
Fileoutputstream. close ();
}
If (conn! = Null)
{
Conn. close ();
}
If (stmt! = Null)
{
Stmt. close ();
}
%>
// Database connection file
Import java. SQL .*;
Public class DBconn {
Public DBconn (){
// TODO Auto-generated constructor stub
}
Public static Connection getConnection ()
{
Connection conn = null;
Try {
Class. forname ("org. gjt. Mm. MySQL. Driver ");
Conn = drivermanager. getconnection ("JDBC: mysql: //" + "localhost" + "/" + "test" +
"? Useunicode = true & characterencoding = gb2312 "," root "," 111111 ");
}
Catch (exception E)
{
E. printstacktrace ();
}
Return conn;
}
/* Public static void main (string [] ARGs) throws exception
{
Connection con = getconnection ();
System. Out. println (con. isclosed ());
}
*/
}
// Template File
Template.htm
<! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<HTML xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312"/>
<Title> # title # </title>
</Head>
<Body>
<Table width = "380" height = "107" border = "0" cellpadding = "0" cellspacing = "1" bgcolor = "# FFCC99">
<Tr>
<Td height = "16" bgcolor = "# FFCC99"> <div align = "center"> # title # </div> </td>
</Tr>
<Tr>
<Td bgcolor = "# FFFFFF"> # content # </td>
</Tr>
<Tr>
<Td height = "13" align = "right" bgcolor = "# FFFFFF" >#author # </td>
</Tr>
</Table>
</Body>
</Html>
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