changertypename.java

ftp管理。构造网络路径部分比较好。内部有数据库截图。。

package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import common.*;
import java.sql.*;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ChangerTypeName extends HttpServlet {

	/** 
	* @author 隋玉杰  E-mail: [e-mail]
	* @version 创建时间：Nov 19, 2008 5:35:30 AM 
	* 修改分类 
	*/ 


	public ChangerTypeName() {
		super();
	}

	public void destroy() {
		super.destroy(); 
	}

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("GBK");
		String typeid=request.getParameter("typeid");
		String newname=request.getParameter("typename").trim();
		String descrebe=request.getParameter("c_describe").trim();
		String oldpath=this.getServletContext().getRealPath("/")+GetUrl.geturl(Integer.parseInt(typeid));
		String filename=null;
		String newpath=null;
		int c_fid=0;
		Connection conn=DAO.getConnection();
		try {
			Statement stmt=conn.createStatement();
			ResultSet rs=stmt.executeQuery("select c_type_name ,c_fid from t_type where c_id="+typeid);
			if(rs.next()){
				filename=rs.getString(1);
				c_fid=rs.getInt(2);
			}
			stmt.executeUpdate("update t_type set c_type_name='"+newname+"',c_describe='"+descrebe+"' where c_id="+typeid);
			rs.close();
			stmt.close();
			conn.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		
		newpath=oldpath.substring(0,oldpath.indexOf(filename))+newname+"\\";
		
		
		FileOperate fo=new FileOperate();
		fo.renameFolder(oldpath, newpath);
		response.sendRedirect("model/admin/adminindex.jsp?typeid="+c_fid);

	}

	
	public void init() throws ServletException {
	}

}