日期:2014-05-20  浏览次数:20701 次

struts2连接数据库时报错,Detected AnnotationActionValidatorManager, initializing it...
貌似是泛类型错误,具体的真的不知道是怎么回事

goodsAction

package sale.action;

import java.sql.SQLException;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import sale.domain.Goods;
import sale.service.GoodsFacade;
import sale.service.GoodsFacadeImpl;



public class GoodsAction {

  private GoodsFacade goodsFacade;

Goods goods;
private int goodsId;
private List<Goods> list;
public GoodsAction() {
goodsFacade = new GoodsFacadeImpl();
}


public GoodsFacade getGFacade() {
return goodsFacade;
}


public void setGFacade(GoodsFacade facade) {
goodsFacade = facade;
}


public Goods getGoods() {
return goods;
}


public void setGoods(Goods goods) {
this.goods = goods;
}


public int getGoodsId() {
return goodsId;
}


public void setGoodsId(int goodsId) {
this.goodsId = goodsId;
}


public List<Goods> getList() {
return list;
}


public void setList(List<Goods> list) {
this.list = list;
}


public String addGoods() throws SQLException{

Goods goods=getGoods();
try{
goodsFacade.addGoods(goods);
setGoods(goods);
return"goodsSuccess";
}catch(Exception e){
e.printStackTrace();
return"goodsError";
}

}

}
---------------------------------------------
add.jsp页面

<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  <s:head theme="ajax"/>
  </head>
  
  <body>
  <div align="center">
  <center>
<%-- 请求regValidate这个Action来进行处理,并且设置执行客户端校验--%>
<s:form action="goodsAction" method="addGoods" validate="false">
<%--加入token标签,避免重复提交--%>
<s:token />
<%--文本框标签,其中name属性指定传值参数,label属性指定该文本框标签名--%>
<s:textfield name="goods.name" label="商品名称" />
<s:textfield name="goods.warehouseId" label="仓库号" />
<s:textfield name="goods.description" label="商品描述" />
<s:textfield name="goods.number" label="数量" />
<s:textfield name="goods.cost" label="成本价" />
<s:submit value="确定" />
<s:reset value="重置" />
</s:form>
</center>
  <br>
  </div>
  </body>
</html>
---------------------------------------------
goodADOIml


package sale.persistence;

import java.sql.SQLException;
import java.util.Date;
import java.sql.*;



import sale.domain.Goods;
import sale.util.DBConnection;
import sale.util.Time;


public class GoodsDAOImpl implements GoodsDAO {

Connection conn=null;

Time now=new Time();

Statement st=null;
PreparedStatement psmt1=null;