modifyclassservlet.java

固定资产管理系统包括一个基本的部分

package com.shenlong.assetmanage.control;

import java.io.IOException;
import java.sql.SQLException;

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

import com.shenlong.assetmanage.domain.AssetClass1;
import com.shenlong.assetmanage.domain.AssetClass2;
import com.shenlong.assetmanage.service.AssetClass2Service;
import com.shenlong.assetmanage.service.AssetClassService;

public class ModifyClassServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ModifyClassServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		String id=(String)request.getParameter("class_id").trim();
        String classId=(String)request.getParameter("class1name").trim();
        String name=(String)request.getParameter("class2_name").trim();
        String memo=(String)request.getParameter("class_memo").trim();
        
        name=new String(name.getBytes("ISO-8859-1"),"gb2312");
        memo=new String(memo.getBytes("ISO-8859-1"),"gb2312");
        AssetClass1 class1=new AssetClass1();
        AssetClass2 class2=new AssetClass2();
        AssetClassService class1service=new AssetClassService();
        AssetClass2Service class2service=new AssetClass2Service();
        if(classId.equals("")){
        	class1.setId(new Integer(id));
        	class1.setName(name);
        	class1.setMemo(memo);
        	int flag=0;
    		try {

             flag=class1service.modifyAssetClass1(class1);
    		} catch (SQLException e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		}
    		if(flag==0){
    			 request.setAttribute("login","error");
    			 RequestDispatcher pa=this.getServletContext().getRequestDispatcher("/modifyClass.jsp");
    			 pa.forward(request, response);
    		}else{
    			 request.setAttribute("id",id);
    			 RequestDispatcher pa=this.getServletContext().getRequestDispatcher("/modifyClass.jsp");
    			 pa.forward(request, response);
    		}
        }else{
        	class2.setId(new Integer(id));
        	class2.setMemo(memo);
        	class2.setParentId(new Integer(classId));
        	class2.setName(name);
		int flag=0;
		try {

         flag=class2service.modifyAssetClass2(class2);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if(flag==0){
			 request.setAttribute("login","error");
			 RequestDispatcher pa=this.getServletContext().getRequestDispatcher("/modifyClass.jsp");
			 pa.forward(request, response);
		}else{
			 request.setAttribute("id",id);
			 RequestDispatcher pa=this.getServletContext().getRequestDispatcher("/modifyClass.jsp");
			 pa.forward(request, response);
		}}
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}