ft,这还需要什么代码吗?如果你的指针代表的数据类型为AreaNode的话,那么在AreaNode类中加上这样一个函数 public String toString(){
return"这是我的子节点"; } //JTree自动会调用这个toString函数的。
呵呵,多谢指教,学Java不久,我定义的AreaNode类如下,return该怎么写?谢谢!!! public class AreaNode { public String areaID = ""; public String areaName = ""; public String areaPID = ""; public int area_type_id = -2; public String annotate = ""; }
return该怎么写? 你想让每个节点显示什么字符,就return什么呗,这还有什么好说的吗?
多谢!多谢!应该是return areaName;该学的东西太多了,努力ing 如下: public class AreaNode { public String areaID = ""; public String areaName = ""; public String areaPID = ""; public int area_type_id = -2; public String annotate = ""; public String toString() { return areaName; } }
public String toString(){
}
//JTree自动会调用这个toString函数的。
public class AreaNode
{
public String areaID = "";
public String areaName = "";
public String areaPID = "";
public int area_type_id = -2;
public String annotate = "";
}
你想让每个节点显示什么字符,就return什么呗,这还有什么好说的吗?
如下:
public class AreaNode
{
public String areaID = "";
public String areaName = "";
public String areaPID = "";
public int area_type_id = -2;
public String annotate = "";
public String toString()
{ return areaName;
}
}