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In programming the danger of exploring the small details of coding is that you get obsessed with every line of code you write, thereby greatly reducing productivity.
In general, is not worth obsessing over code. On the other hand you should code with deliberation and intent. Steven Feurstein Oracle Magazine July /August 2004 A User Agent, like a web browser, uses HTTP to request a HTML document
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Home >Java server pages > Saving data in mysql trought a form
***************************************************************** file myform.jsp ***************************************************************** <html> <head> <title>Saving data trought a form myform.jsp</title> </head> <body> <center> An input form to save data myform <form name="myform" action="saveformdata.jsp" method="post" > <table width="80%"> <tr> <td>ID</td><td><input type="text" name="intid" maxlenght="3" size="3"></td> </tr> <tr> <td>Name</td><td><input type="text" name="txtname"</td> </tr> <tr> <td>Credits</td><td> <select name="intcredits"> <% // A simple loop to generate values for the select for(int i=10;i<101;i++) { %> <option value="<%=i%>"><%=i%></option> <% } %> </select> </td> </tr> <tr> <td colspan="2"> <input type="submit" value="save"></td> </tr> </table> </center> </body> </html> ***************************************************************** file saveformdata.jsp ***************************************************************** <%@ page import="java.sql.*" %> <% // File saveformdata.jsp // To save the data you need to create the table members // create table members(name varchar(80),age int); String Vname = request.getParameter("txtname"); int Vcredits = Integer.parseInt(request.getParameter("intcredits")); int Vid = Integer.parseInt(request.getParameter("intid")); try { Class.forName("com.mysql.jdbc.Driver").newInstance(); java.sql.Connection conn; conn = DriverManager.getConnection("jdbc:mysql://localhost/mydatabase"); Statement stmt = conn.createStatement(); String sql = " insert into members (id,name,credits) values (" + Vid+ ",'" +Vname + "'," + Vcredits + ")"; // out.println(sql); stmt.executeUpdate(sql); stmt.close(); conn.close(); %> The data are been inserted correctly! <% } catch (SQLException e) { out.println(e); } %> Il file myform.jsp richiede i valori che il file saveformdata.jsp scrive su una struttura del db. Questo esempio č eseguito con Mysql e mysql com.mysql.jdbc.Driver. E' stato utilizzato un database ("mydatabase") e la tabella members (id,name,credits). Warning: include(ads/text468x15.html): failed to open stream: No such file or directory in D:\inetpub\webs\fishscriptcom\documents\view_document.php on line 131 Warning: include(): Failed opening 'ads/text468x15.html' for inclusion (include_path='.;C:\php\pear') in D:\inetpub\webs\fishscriptcom\documents\view_document.php on line 131 Tutorial ![]() ![]() ![]() ![]() ![]() ![]() ![]() Script ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Comandi ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
CercaAnger is creative, depression is useless.
Dyson, Freeman J. Anger is creative, depression is useless.
Dyson, Freeman J.
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Nicoleta e Marco Magnani tutorial, examples, courses, esempi, corsi, esercizi, appunti vari Dottoressa Nicoleta Dragu Formatrice Docente Insegnante Mediatrice Culturale Dott. Marco Magnani Universita La Sapienza Roma Master Computer Science Hunter College New York , Data Base Administrator DBA oracle System architect |