做笔记
1. 定义一个pojo类
好处:定义一个普通的java类即可 不具有侵入性
public class helloAction {
public String
execute()
{
System.
out.println(
"ok ok");
return "success";
}
}
2. 实现action接口
好处:使得我们编写的代码更加规范
public class hello1action implements Action{
public String
execute()
throws Exception {
System.out.println(
"ok 2 ok");
return SUCCESS;
}
}
3. 继承Actionsupport 类
好处:可以继承一些Actionsupport实现的功能;如验证
public class hello2action extends ActionSupport{
public String
execute()
throws Exception {
System.out.println(
"ok 3 ok");
return SUCCESS;
}
}
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