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JSP database operations routines-stored procedures-Jdbc-odbc-sql Server-1.1 versions

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Js|odbc|server| stored Procedure | data | database <%--
Author: He Zhiqiang [hhzqq@21cn.com]
Date: 2000-08-04
2000-08-16
Version: 1.1
Functions: JSP database Operations routines-stored procedures-Jdbc-odbc-sql Server

The stored procedures for SQL Server are as follows:
CREATE PROCEDURE Sp_jsptest
@yourname varchar (50),
@myname varchar (m) output
As
Select "Hello," + @yourname + ", very pleased to meet you, ^_^"
Set @myname = "He Zhiqiang"
Return 1
Go
--%>

<%@ page contenttype= "text/html;charset=gb2312"%>

<%
Variable declaration
Java.lang.String StrName; Name

Get data entered by the user
StrName = Request.getparameter ("name");
if (strname==null) {//user does not enter a name
%>

<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 ">
&LT;TITLE&GT;JSP database Operations routines-stored procedures-Jdbc-odbc-sql server</title>
<body>

<form action= "jdbc-odbc.jsp" method= "POST" >
Your name: <input type= "text" name= "maxlength=" >
<input type= "Submit" value= "submitted" >
</form>

</body>

<%
}
else{
Make the necessary character encoding conversion for the data entered by the user
StrName = new Java.lang.String (strname.getbytes ("iso-8859-1"));

Variable declaration
Java.sql.Connection Sqlcon; Database Connection objects
Java.sql.CallableStatement sqlstmt; Callable Statement Object
Java.sql.ResultSet Sqlrst; Result set Object

Java.lang.String Strcon; Database connection string
Java.lang.String strSQL; SQL statement

Java.lang.String Strwelcome; Welcome words
Java.lang.String Strmyname; My name.
int intreturn; return value

Load JDBC-ODBC Driver
Class.forName ("Sun.jdbc.odbc.JdbcOdbcDriver");

To set the database connection string
Strcon = "Jdbc:odbc:jspdemo";

Connecting to a database
Sqlcon = Java.sql.DriverManager.getConnection (Strcon, "sa", "");

Preparing SQL statements
strSQL = "{? = Call Sp_jsptest (?,?)} ";

To prepare a callable statement object
sqlstmt = Sqlcon.preparecall (strSQL);

Set Input parameters
Sqlstmt.setstring (2,strname);

Register OUTPUT parameters
Sqlstmt.registeroutparameter (1,java.sql.types.integer);
Sqlstmt.registeroutparameter (3,java.sql.types.varchar);

Executes the stored procedure and returns the result set
Sqlrst = Sqlstmt.executequery ();

Get data from the result set
Sqlrst.next ();
Strwelcome = sqlrst.getstring (1);

Get the value of an output parameter
Strmyname = sqlstmt.getstring (3);

Get return value
Intreturn = Sqlstmt.getint (1);

Turn off recordsets
Sqlrst.close ();

To close a callable statement object
Sqlstmt.close ();

Close Database objects
Sqlcon.close ();
%>

<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 ">
&LT;TITLE&GT;JSP database Operations routines-stored procedures-Jdbc-odbc-sql server</title>
<body>

<%=strWelcome%><br>
I'm a <%=strMyName%><br>
The return value is <%=intReturn%>

</body>

<%
}
%>

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Related Keywords:
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