Question

是否可以从struts2中的Action类调用validate方法？所以基本上我们想要在动作类中控制之后在struts 1中验证字段我们可以通过以下方式实现：

@Override
    public ActionForward saveUser(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
            HttpServletResponse response) throws IOException {
        UserForm form = (UserForm ) actionForm;
        ActionErrors errors = actionForm.validate(mapping, request);
        if (!errors.get("password").hasNext() && form.getPassword() != null
...
...
...

Answer 1

您可以使用以下内容：

public class Login extends ActionSupport {

private String userName;
private String password;

public Login() {
}

public String execute() {
    return SUCCESS;
}

public void validate() {
    if (getUserName().length() == 0) {
        addFieldError("userName", "User Name is required");
    } else if (!getUserName().equals("Eswar")) {
        addFieldError("userName", "Invalid User");
    }
    if (getPassword().length() == 0) {
        addFieldError("password", getText("password.required"));
    }
}

public String getUserName() {
    return userName;
}

public void setUserName(String userName) {
    this.userName = userName;
}

public String getPassword() {
    return password;
}

public void setPassword(String password) {
    this.password = password;
}
}

还有一个很好的教程https://dzone.com/tutorials/java/struts-2/struts-2-example/struts-2-validation-example-1.html

我们可以从struts2中的action类调用form validate方法吗？

1 个答案: