SoilAdd中:
public class SoilAdd implements ActionInterface { public String process(HttpServletRequest request,
HttpServletResponse response) {
// TODO Auto-generated method stub
Connection con;
String forward = null;
try {
con = DataSourceFactory.getDataSource().getConnection();
SoilDAO sDAO = DAOFactory.getSoilDAO(con);
String getsTrace = request.getParameter("sTrace");
String getsId = request.getParameter("sId");
String getsPrivider = request.getParameter("sPrivider");
String getsNo = request.getParameter("sNo"); PartDTO partDTO = sDAO.findPartBid(getsTrace);
if(partDTO==null){
con.close();
forward = "/soilList.files/NotExistsStraceInSoil_tab.jsp";
}else {
BOMDTO bomDTO = sDAO.checkExistsBidAndSidInBOM(partDTO.getBid(),
getsId);
if (bomDTO == null) {
con.close();
forward = "/soilList.files/NotExistsBidAndSidInBOM.jsp";
} else {
SoilDTO sDTO = new SoilDTO(getsTrace, getsId, getsPrivider,
getsNo);
sDAO.add(sDTO);
con.close();
forward = "SoilList.do?param=getsTrace";
//本想把从添加页面中获取的getsTrace的值传递到SoilList中以进行相应的处理,但是在SoilList中获取param的值是getsTrace,而并不是getsTrace这个变量的值。 }
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} return forward;
}
SoilList中:
public String process(HttpServletRequest request,
HttpServletResponse response) {
// TODO Auto-generated method stub
String getsTrace=request.getParameter("param");
System.out.println(getsTrace); //输出的是getsTrace,而不是getsTrace的值;
return "/index.jsp";
}
public class SoilAdd implements ActionInterface { public String process(HttpServletRequest request,
HttpServletResponse response) {
// TODO Auto-generated method stub
Connection con;
String forward = null;
try {
con = DataSourceFactory.getDataSource().getConnection();
SoilDAO sDAO = DAOFactory.getSoilDAO(con);
String getsTrace = request.getParameter("sTrace");
String getsId = request.getParameter("sId");
String getsPrivider = request.getParameter("sPrivider");
String getsNo = request.getParameter("sNo"); PartDTO partDTO = sDAO.findPartBid(getsTrace);
if(partDTO==null){
con.close();
forward = "/soilList.files/NotExistsStraceInSoil_tab.jsp";
}else {
BOMDTO bomDTO = sDAO.checkExistsBidAndSidInBOM(partDTO.getBid(),
getsId);
if (bomDTO == null) {
con.close();
forward = "/soilList.files/NotExistsBidAndSidInBOM.jsp";
} else {
SoilDTO sDTO = new SoilDTO(getsTrace, getsId, getsPrivider,
getsNo);
sDAO.add(sDTO);
con.close();
forward = "SoilList.do?param=getsTrace";
//本想把从添加页面中获取的getsTrace的值传递到SoilList中以进行相应的处理,但是在SoilList中获取param的值是getsTrace,而并不是getsTrace这个变量的值。 }
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} return forward;
}
SoilList中:
public String process(HttpServletRequest request,
HttpServletResponse response) {
// TODO Auto-generated method stub
String getsTrace=request.getParameter("param");
System.out.println(getsTrace); //输出的是getsTrace,而不是getsTrace的值;
return "/index.jsp";
}
可以装到,ActionForm里,ActionForm af=(ActionForm).setXXX(); 可以装到session里,requeset.setAttribute(); 都可以传
哦写错了 ActionForm af=(ActionForm)form; af.setXXX();
在SoilList中:String getsTrace=request.getParameter("param"); 改为:String getsTrace=request.getParameter("getsTrace");
最简单的方式是通过?varName=value
第二种方式:通过表传递取参数。
第三种方式:通过setAttribute("name",value)与getAttribute(name value)传递参数
楼主可以去我博客看一下这个文章:
”Servlet(Action)之间的数据传递“
路径”
http://blog.csdn.net/yinyuan1987/archive/2008/11/01/3202393.aspx
最简单的方式是通过?varName=value
在通过request.getRequestDispatcher("你要转到的servlet的路径,是在web.xml配置的路径").forward(request, response);这样你就将getsTrace穿到了你要的servlet中,在这个servlet中再通过request.getAttribute("getsTrace")就可以得到getsTrace的值了。
2.你也可以把这个存到session里,request.getSession().setAttribute("getsTrace",getsTrace);
后面的传递过程跟上面的一样,在目的servlet中通过request.getSession().getAttribute("getsTrace")得到getsTrace
在通过request.getRequestDispatcher("你要转到的servlet的路径,是在web.xml配置的路径").forward(request, response);这样你就将getsTrace穿到了你要的servlet中,在这个servlet中再通过request.getAttribute("getsTrace")就可以得到getsTrace的值了。
2.你也可以把这个存到session里,request.getSession().setAttribute("getsTrace",getsTrace);
后面的传递过程跟上面的一样,在目的servlet中通过request.getSession().getAttribute("getsTrace")得到getsTrace
楼主可以封装在actionForm中 然后通过request或者session的getAttribute()方法获得actionForm
eg:
action1:
yanzhengmaForm.setYanzhengma(this.yanzhengma);
action2:
YanzhengmaForm yanzhengmaForm = (YanzhengmaForm)session.getAttribute("yanzhengmaForm");
String yanzhengma = yanzhengmaForm.getYanzhengma();
方法应该还有不少 呵呵
至于servlet之间传递值那就更方便了 把值存在request 或者 response中就行了
或setAttribute("name",value)和getAttribute(name value)
request.setAttribute("para",para);