package com.action; import com.bean.StudentBean; import com.dao.StudentDao; import com.opensymphony.xwork2.ActionSupport; import org.apache.struts2.ServletActionContext; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.PrintWriter; import java.util.List; public class StudentAddSave extends ActionSupport { //下面是Action内用于封装用户请求参数的属性 private String Student_Username ; private String Student_Password ; private String Student_Name ; private String Student_Sex ; private String Student_Class ; public String getStudent_Username() { return Student_Username; } public void setStudent_Username(String studentUsername) { Student_Username = studentUsername; } public String getStudent_Password() { return Student_Password; } public void setStudent_Password(String studentPassword) { Student_Password = studentPassword; } public String getStudent_Name() { return Student_Name; } public void setStudent_Name(String studentName) { Student_Name = studentName; } public String getStudent_Sex() { return Student_Sex; } public void setStudent_Sex(String studentSex) { Student_Sex = studentSex; } public String getStudent_Class() { return Student_Class; } public void setStudent_Class(String studentClass) { Student_Class = studentClass; } //处理用户请求的execute方法 public String execute() throws Exception { //解决乱码,用于页面输出 HttpServletResponse response=null; response=ServletActionContext.getResponse(); response.setContentType("text/html;charset=UTF-8"); response.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); //创建session对象 HttpSession session = ServletActionContext.getRequest().getSession(); //验证是否正常登录 if(session.getAttribute("id")==null){ out.print(""); out.flush();out.close();return null; } //查询用户名是否存在 List list=new StudentDao().GetList("Student_Username='"+Student_Username+"'", ""); if(list.size()>0) { out.print(""); out.flush();out.close();return null; } //添加 StudentBean cnbean=new StudentBean(); cnbean.setStudent_Username(Student_Username); cnbean.setStudent_Password(Student_Password); cnbean.setStudent_Name(Student_Name); cnbean.setStudent_Sex(Student_Sex); cnbean.setStudent_Class(Student_Class); cnbean.setStudent_State("未入住"); cnbean.setStudent_DomitoryID(1); new StudentDao().Add(cnbean); //跳转 out.print(""); out.flush();out.close();return null; } //判断是否空值 private boolean isInvalid(String value) { return (value == null || value.length() == 0); } //测试 public static void main(String[] args) { System.out.println(); } }