deleteuseraction.java

这是《Struts网络编程实例》一书zhogn 的源代码部分

package org.ithinking.strutsExample.Action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.ithinking.strutsExample.entity.Userinfo;
import org.ithinking.strutsExample.service.ServiceFactory;
import org.ithinking.strutsExample.service.UserInfoService;
import org.ithinking.utils.IntegerUtil;

public class DeleteUserAction extends Action {

	// 删除用户的操作
	public ActionForward execute(ActionMapping actionMapping,
			ActionForm actionForm, HttpServletRequest httpServletRequest,
			HttpServletResponse httpServletResponse) {

		if (httpServletRequest.getParameter("id") == null
				|| (!IntegerUtil.isInteger((String) httpServletRequest
						.getParameter("id")))) {

			ActionErrors errors = new ActionErrors();
			errors.add(ActionErrors.GLOBAL_ERROR, new ActionError(
					"global.findusererror"));
			saveErrors(httpServletRequest, errors);
			return actionMapping.findForward("deleteuser");
		}
		UserInfoService userInfoservice = ServiceFactory.getUserinfService();
		Userinfo userInfo = userInfoservice.getUserInfoById(Integer
				.valueOf((String) httpServletRequest.getParameter("id")));
		if(userInfo==null)
		{
			ActionErrors errors = new ActionErrors();
			errors.add(ActionErrors.GLOBAL_ERROR, new ActionError(
					"global.errors.usernotexit"));
			saveErrors(httpServletRequest, errors);
			return actionMapping.findForward("deleteuser");
		}
		try {
			if (userInfoservice.deleteUser(userInfo)) {
				ActionErrors errors = new ActionErrors();
				errors.add(ActionErrors.GLOBAL_ERROR, new ActionError(
						"global.deletesuccess"));
				saveErrors(httpServletRequest, errors);
				return actionMapping.findForward("deleteuser");
			} else {
				ActionErrors errors = new ActionErrors();
				errors.add(ActionErrors.GLOBAL_ERROR, new ActionError(
						"global.deletefail"));
				saveErrors(httpServletRequest, errors);
				return actionMapping.findForward("deleteuser");
			}
		} catch (Exception ex) {
			ex.printStackTrace();
			ActionErrors errors = new ActionErrors();
			errors.add(ActionErrors.GLOBAL_ERROR, new ActionError(
					"global.errors.general"));
			saveErrors(httpServletRequest, errors);
			return actionMapping.findForward("error");
		}
	}
}