2、配置你的Action继承json-default [//2]
3、返回json类型 [//3]
示例：
[java]
@ParentPackage(value="json-default") //2
public class IndexAction extends ActionSupport {
private List list = new ArrayList();
@Action(value="/index",results={@Result(name=SUCCESS,type="json")}) //3
public String execute(){
list = CategoryDao.getInstance().getCategorys();
//System.out.println(list);
//System.out.println(list.size());
return SUCCESS;
}
public List getList() {
return list;
}
public void setList(List list) {
this.list = list;
}
}
注意：你的请求中
"content-type"必须是 "application/json"
json相关