📄 isadmin.java
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package servlet;
import blog.*;
import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.FilterChain;
import java.io.IOException;
public class isAdmin implements Filter {
public void init(FilterConfig parm1) throws ServletException {
}
public void doFilter(ServletRequest req, ServletResponse res,
FilterChain chain) throws IOException, ServletException {
String sqlStr = "select userID from userInfo where property >5;
DataBase db = new DataBase();
java.sql.Connection conn = db.getconn();
java.sql.PreparedStatement pstmt = conn.prepareStatement(sqlStr);
chain.doFilter(req,res);
}
public void destroy() {
}
}
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