e.getNewd()
private Set<Newd> newd;
public Set<Newd> getNewd() {
return newd;
}
这样只是返回的set数组啊!要e.getNewd().get(Index)才得到Newd对象接着再getId()
private Set<Newd> newd;
public Set<Newd> getNewd() {
return newd;
}
这样只是返回的set数组啊!要e.getNewd().get(Index)才得到Newd对象接着再getId()
return newd;
}
getNewd 获取到的是 Set<Newd>
拿到后,需要再从Set中遍历Newd 对象
Iterator it = newd.iterator();
while (it.hasNext()) {
Newd newD = it.Next();
newD.getId()
}
public Set<Newd> getNewd() {
return newd;
}
public void setNewd(Set<Newd> newd) {
this.newd = newd;
}
现在测试页面中
...
....
while(it.hasNext()) {News e = it.next();
System.out.println("ID:"+e.getNewd());
/*
此处可得到Newd对象,只是我再用e.getNewd().getId();就得不到内容,现问,我如果取到Newd对象中的属性值 呢
*/
}
----------------------------------------------------------------------------------------------
e.getNewd();返回的是一个set<Newd>的set集合啊 想要获取id 得继续遍历啊