<h3><m:student_start name="Joe Jones" /><hr />
(Just doStartTag()) - The Students information is Name: Joe Jones Year: Senior Grade: 85
package mytags;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;
import java.sql.*;
public class GetStudentstart extends TagSupport {
private String name;
static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
static final String DB_URL = "jdbc:mysql://localhost/cs4010";
static final String USER = "cs4010";
static final String PASS = "cs4010";
public void setName(String name) { //A convention for naming the setter.
this.name = name;
}
public int doStartTag() throws JspException {
JspWriter out=pageContext.getOut();
try {
out.print("(Just doStartTag()) - The Students information is "+TheStudent(name));
} catch (Exception e) {
e.printStackTrace();
}
return SKIP_BODY;
}
public String TheStudent(String who){
Connection conn = null;
Statement stmt = null;
String theReturn="";
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection(DB_URL,USER,PASS);
stmt = conn.createStatement();
String this_query="SELECT name, year, test FROM student where name=\"";
this_query=this_query+who+"\";";
ResultSet rs = stmt.executeQuery(this_query);
while (rs.next()) {
String the_name = rs.getString("name");
String the_year = rs.getString("year");
int the_grade = rs.getInt("test");
theReturn="Name: " + the_name + " Year: "+the_year+" Grade: "+the_grade;
}
rs.close();
stmt.close();
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
return theReturn;
}
}