方法一:action类成员做对象成员,加getter,setter.例如:
public class RegAction extends ActionSupport { private Login logindata;//传一个对象 public Login getLogindata() { return logindata; } public void setLogindata(Login logindata) { this.logindata = logindata; } private List<Login> list;//传一个集合 public List<Login> getList() { return list; } public void setList(List<Login> list) { this.list = list; } private String name;//传一个属性 public String getName() { return name; } public void setName(String name) { this.name = name; } }
在jsp中接收如下:
//接收对象 ${logindata.userName } ${logindata.name } ${logindata.password } ${logindata.account } //接收遍历集合 <c:forEach items="${list }" var="data"> ${data.userName } ${data.name } ${data.password } ${data.account } </c:forEach> //接收属性 ${userName } ${name } ${password } ${account }
方法二:在Action类中操作request,session
public String detail(){ //通过request ServletActionContext.getRequest().setAttribute("sex", "男"); //通过session ServletActionContext.getRequest().getSession().setAttribute("address", "北京"); //通过session ActionContext.getContext().getSession().put("postcode", "1234567"); return "detail"; }
方法三:在Action类中使用接口操作request,session
public class RegAction extends ActionSupport implements RequestAware,SessionAware{ //定义两个成员变量 private Map<String,Object> session; private Map<String,Object> request; //重写接口中的方法。 @Override public void setRequest(Map<String, Object> arg0) { this.request = arg0; } @Override public void setSession(Map<String, Object> arg0) { this.session = arg0; } }