action加了System.out.println(article.getTitle());就空指针了
<body>
<s:form action="article!add">
<s:textfield name="article.title" label="title"/>
<s:submit value="sumbit"/>
</s:form>
</body>
public class Article1 {
private String title;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
@Action(value="article" ,results={
@Result (name="success" ,location="/loginFailer.jsp")
})
public class ArticleAction extends ActionSupport{
private Article1 article;
private User user;
public String add(){
return "success";
}
}
没看到你任何初始化article的代码，当然是空指针了。
没有看到你代码里面有System.out.println(article.getTitle());
你不实例化你的article，你去调用article.getTitle()肯定是报null异常了