📄 delete.jsp
字号:
<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import="java.sql.*" %>
<HTML>
<BODY bgcolor=cyan><Font size=4>
<%
String driver="com.microsoft.jdbc.sqlserver.SQLServerDriver";
String url1= "jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=tengfei";
//获取提交的学号：
String number=request.getParameter("number");
if(number==null)
{number="";
}
byte b[]=number.getBytes("ISO-8859-1");
number=new String(b);
Connection con=null;
Statement sql=null;
ResultSet rs=null;
try{Class.forName(driver);
}
catch(ClassNotFoundException event){}
try {con=DriverManager.getConnection(url1,"sa","");
sql=con.createStatement();
//删除操作：
String deleteAll="DELETE FROM CJ WHERE 学号"+" = "+"'"+number+"'";
sql.executeUpdate(deleteAll);
%>
<P>删除记录后的表：
<%
rs=sql.executeQuery("SELECT * FROM CJ ORDER BY 学号 ");
out.print("<Table Border>");
out.print("<TR>");
out.print("<TH width=100>"+"学号");
out.print("<TH width=100>"+"姓名");
out.print("<TH width=100>"+"高等数学成绩");
out.print("<TH width=100>"+"英语成绩");
out.print("<TH width=100>"+"法律成绩");
out.print("</TR>");
while(rs.next())
{ out.print("<TR>");
String n=rs.getString(1);
out.print("<TD >"+n+"</TD>");
String xingming=rs.getString(2);
out.print("<TD >"+xingming+"</TD>");
int math=rs.getInt("高等数学成绩");
out.print("<TD >"+math+"</TD>");
int english=rs.getInt("英语成绩");
out.print("<TD >"+english+"</TD>");
int physics=rs.getInt("法律成绩");
out.print("<TD >"+physics+"</TD>");
out.print("</TR>") ;
}
out.print("</Table>");
con.close();
}
catch(SQLException event)
{out.print(""+event);
}
%>
</FONT>
</BODY>
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