?? updatecategoryservlet.java
字號(hào):
package hbu.david.cmc.servlet;
import hbu.david.cmc.bean.*;
import hbu.david.cmc.work.*;
import hbu.david.cmc.util.*;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class for Servlet: UpdateCategoryServlet
*
*/
public class UpdateCategoryServlet extends hbu.david.cmc.http.MyHttpServlet
implements javax.servlet.Servlet {
static final long serialVersionUID = 1L;
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#HttpServlet()
*/
public UpdateCategoryServlet() {
super();
}
@Override
public void doExecute(HttpServletRequest request,
HttpServletResponse response) throws IOException, ServletException {
// TODO Auto-generated method stub
int id=ParseRequest.parseInt(request, "id", 0);
String name=request.getParameter("categoryName");
String introduce=request.getParameter("categoryIntroduce");
if(StringUtil.isStringEmpty(name)||StringUtil.isStringEmpty(introduce)){
//request.setAttribute("errorMessage", "不允許有空數(shù)據(jù)!");
response.getWriter().print("不允許有空數(shù)據(jù)!");
//request.setAttribute("returnUrl", "GotoUpdateCategoryServlet?categoryId="+id);
//request.getRequestDispatcher("error.jsp").forward(request, response);
}else{
Category category=new Category();
category.setId(id);
category.setName(name);
category.setIntroduce(introduce);
if(CategoryBean.updateCategory(category)){
response.getWriter().print("更新成功!");
//request.setAttribute("errorMessage", "更新成功!");
//request.setAttribute("returnUrl", "GetCategoriesServlet");
//request.getRequestDispatcher("error.jsp").forward(request, response);
}else{
response.getWriter().print("更新失敗!");
//request.setAttribute("errorMessage", "更新失敗!");
//request.setAttribute("returnUrl", "GotoUpdateCategoryServlet?categoryId="+id);
//request.getRequestDispatcher("error.jsp").forward(request, response);
}
}
}
}
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