百度上传文件到写入数据库之三

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package cn.toher.DataImport;

import cn.toher.bean.User;
import cn.toher.connection.DBConnectionManager;
import static cn.toher.util.common.ReadTxtImport.readTxtFile;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;

/**
 *
 * @author Administrator
 */
@WebServlet(name = "DataImportServlet", urlPatterns = {"/tohersystem/dataimport"})
public class DataImportServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            /* 1,上传文件
             * 2,获取路径
               3,处理
             */
            String path = request.getParameter("filePath");
            String filePath = request.getSession().getServletContext().getRealPath("/") +path;
            System.out.println("DataImportServlet_51: "+filePath);
            DBConnectionManager pool =null;
            Connection conn = null;
            pool = DBConnectionManager.getInstance();
            conn = pool.getConnection("db");
//            String filePath = "F:\MigrationData.txt";
            User user = (User)request.getSession().getAttribute("Suser");
            String parentNo = (user.getParentNo() != null ? user.getParentNo() : user.getUserNo());
            MigrationData migrationData = new MigrationData();
            Object[] a = {parentNo};
            String result = readTxtFile(filePath,"calls_item_package",migrationData,conn,"GBK",a);
            if(StringUtils.isNumeric(result)){
                out.print("success");
            }else
                out.print(result);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
原文地址:https://www.cnblogs.com/itchenfirst/p/7285435.html