struts2入门实例2 经典入门必备

package com.validate.action; import java.util.Calendar; import java.util.Date; import com.opensymphony.xwork2.ActionSupport; public class ValidateAction extends ActionSupport{ private String name; private String password; private String password2; private Date birthday; private int age; public int getAge() { return age; } public void setAge(int age) { this.age = age; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getPassword2() { return password2; } public void setPassword2(String password2) { this.password2 = password2; } public Date getBirthday() { return birthday; } public void setBirthday(Date birthday) { this.birthday = birthday; } public String execute() throws Exception{ System.out.println("execute runs"); return "success"; } public void ValidateName(){ //用户名判断 if("".equals(this.getName())){ this.addFieldError("name", "name can be null!"); }else if (name.length()>30||name.length()<4) { this.addFieldError("name", "the length of name should between 4 and 30"); } } @Override public void validate() { //密码判断 if("".equals(password)){ this.addFieldError("password", "password is null "); }else if ("".equals(password2)) { this.addFieldError("password2", "password2 is null"); }else if(!password.equals(password2)){ this.addFieldError("password2", "password is not equal password2"); } //出生日期的判断1900-1-1 ---现在 if(birthday==null){ this.addFieldError("birthday", "birthday is null"); }else{ Calendar startDate = Calendar.getInstance(); Calendar endDate =Calendar.getInstance(); startDate.set(1900, 01, 01); if(birthday.after(endDate.getTime())||birthday.before(startDate.getTime())){ this.addFieldError("birthday", "birthday is illegal"); } } //年龄判断 if(age<0||age>140){ this.addFieldError("age", "age is illegal"); } } public String method() throws Exception{ System.out.println("validateMethod runs"); return "success"; } }