LoginAction
public class LoginAction extends ActionSupport {private UserService userService; private User user; public User getUser() { return user; } public void setUser(User user) { this.user = user; }...
login.jsp
<body style="text-align: center;">
<s:form action="Login!login" validate="true">
<s:textfield name="user.admin_name" label="name" />
<s:password name="user.admin_key" label="pwd" />
<s:submit value="login" />
</s:form>
</body>
LoginAction-validation.xml
<validators>
<field name="user.admin_name">
<field-validator type="requiredstring">
<message> This string is required </message>
</field-validator>
</field>
<field name="user.admin_key">
<field-validator type="requiredstring">
<message> This string is required </message>
</field-validator>
</field>
</validators>
这样会报错，不知道怎么验证User这个对象
