Web Database Connection Considerations

Java learning process, java instance 300== "html==" css (js) = = "Javaweb

See Javaweb Book: From the construction of javaweb program = = "Development environment Configuration = =" JSP page elements (directive: page,include,taglib;

Script: <% script%>;<%= expression%>;<%! declaration%>;

JSP action Element:<jsp:include>;<jsp:usebean>;<jsp:forward>;<jsp:set/getproperty> such as

JSP built-in objects (Request;response;out;session;application;page and Config;pagecontext;exception)

JavaBean

Database access technology (with special emphasis on:

1. Installing MySQL requires the installation of a database and a visual interface, except that the SQL Server system has its own driver package, and other databases need to download the driver package (e.g. MySQL database driver package "Mysql-connector-java-5.0.8.jar");

2. Database connection steps:

⑴ Load Driver Package: Class.forName ("Com.mysql.jdbc.Driver") or

Driver driver=new com.mysql.jdbc.Driver ();

Drivermanager.registerdriver (driver);

⑵ Connection Database: Connection conn=drivermanager.getconnection ("connection statement");)

Web Database Connection Considerations