ins.java

hehe wosgisodf wo fdslfasofd dslf asodfa

package ser;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import b.Handle;
import b.IdentifyVo;
public class ins extends HttpServlet {
	public ins() {
		super();
	}
	public void destroy() {
		super.destroy();
	}
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html");
		request.setCharacterEncoding("gb2312");
		Handle  handle = new Handle();		
		//增加
		PrintWriter out = response.getWriter();
		String name = request.getParameter("text_name");
		if(name!=""&&name!=null){
			IdentifyVo iv = new IdentifyVo();
			iv.setName(name);			
			 handle.voInsert(iv);
			}else{
				out.println("<script language='javascript'>");
				out.println("alert('名字不能为空')");
				out.println("</script >");
			}
		//删除
		try {		
		      handle.voDelete(Integer.parseInt(request.getParameter("id")));
			} catch (Exception e) {
				e.getStackTrace();
			}
		
		//查询
		try {
			
			request.setAttribute("name", handle.voSelect());
			RequestDispatcher p = request.getRequestDispatcher("/qin.jsp");
			p.forward(request, response);
			// response.sendRedirect("/qin.jsp");
		} catch (Exception e) {
			e.getStackTrace();
		}
       // 改	
		
		   //返回要更改的值传到显示层
		try {				  
			IdentifyVo iv=handle.selectOne(Integer.parseInt(request.getParameter("id")));
			request.setAttribute("iv_name",iv);
			RequestDispatcher rd=request.getRequestDispatcher("/modify.jsp");
			rd.forward(request,response);
			} catch (Exception e) {
				e.getStackTrace();
			}
		  //取得显示层更改后传进来的值并封装到vo里去 
		try {				 
		IdentifyVo iv=new IdentifyVo();
			iv.setId(Integer.parseInt(request.getParameter("text_id")));		
		    iv.setName(request.getParameter("text_name_modify"));
		   handle.voModify(iv);
			} catch (Exception e) {
				e.getStackTrace();
			}	
		}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {		
	}
	public void init() throws ServletException {
	}
}