java.lang.NullPointerException www.goods.sech(goods.java:26) org.apache.jsp.Success_jsp._jspServicepublic goods sech(){goods goods=null;con=conn.getcon();try {String sql2 ="select * from wareTable where wareName='yyyyyy'";pt = con.prepareStatement(sq

java.lang.NullPointerException www.goods.sech(goods.java:26) org.apache.jsp.Success_jsp._jspServicepublic goods sech(){goods goods=null;con=conn.getcon();try {String sql2 ="select * from wareTable where wareName='yyyyyy'";pt = con.prepareStatement(sq
java.lang.NullPointerException www.goods.sech(goods.java:26) org.apache.jsp.Success_jsp._jspService
public goods sech(){
goods goods=null;
con=conn.getcon();
try {
String sql2 ="select * from wareTable where wareName='yyyyyy'";
pt = con.prepareStatement(sql2);
rs = pt.executeQuery();
while (rs.next()) {
goods.setWareName(rs.getString(1));
goods.setWareSort(rs.getInt(2));
goods.setWareAmount(rs.getInt(3));
}这里是第26行,头痛的就是这里,
}
catch (SQLException ex) {
ex.printStackTrace();
System.out.println("查询失败!");
}finally{
conn.closeset(rs);
conn.closestate(pt);
conn.closeCon(con);
}
return goods;
}
前面是指针异常错误的事件,但不知道那里错了,
java.lang.NullPointerException
www.goods.sech(goods.java:26)
org.apache.jsp.Success_jsp._jspService(Success_jsp.java:58)

java.lang.NullPointerException www.goods.sech(goods.java:26) org.apache.jsp.Success_jsp._jspServicepublic goods sech(){goods goods=null;con=conn.getcon();try {String sql2 ="select * from wareTable where wareName='yyyyyy'";pt = con.prepareStatement(sq
在while(rs.next()){
goods = new Goods();
}