sessionScope整体的意思是获得存放在session.setAttrbute(key,value)的值
本文转载自熊佳佳《sessionScope整体的意思是获得存放在session.setAttrbute(key,value)的值》
package
com.demo.struts2;
import com.opensymphony.xwork2.ActionContext;
import
com.opensymphony.xwork2.ActionSupport;
public class LoginAction
extends ActionSupport {
private String
username;
private String password;
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;
}
@Override
public String execute() throws Exception
{
// TODO Auto-generated method
stub
if(getUsername().equals("admin")&&getPassword().equals("admin")){
ActionContext.getContext().getSession().put("user",
getUsername());
return SUCCESS;
}else{
return
ERROR;
}
}
}
--------------------------------------------------------------------------------------------
<%@
taglib prefix="s" uri="/struts-tags" %>
<body>
<s:text name="succTip">
<s:param>${sessionScope.user}</s:param>
</s:text>
</body>
========================================================
package
com.demo.struts2;
import com.opensymphony.xwork2.ActionContext;
import
com.opensymphony.xwork2.ActionSupport;
public class LoginAction
extends ActionSupport {
private String
username;
private String password;
public String getUsername() {
return
username;
}
public void
setUsername(String username) {
this.username = username;
}
public
String getPassword() {
return
password;
}
public void
setPassword(String password) {
this.password = password;
}
@Override
public String execute() throws Exception
{
// TODO Auto-generated method
stub
ActionContext ctx=ActionContext.getContext();
Integer
counter=(Integer)ctx.getApplication().get("counter");
if(counter==null){
counter=1;
}else{
counter=counter+1;
}
ctx.getApplication().put("counter", counter);
ctx.getSession().put("user",
getUsername());
if(getUsername().equals("root")&&getPassword().equals("admin")){
ctx.put("tip",
"服务器提示：您已经成功登陆");
return SUCCESS;
}else{
ctx.put("tip",
"服务器提示：登陆失败");
return ERROR;
}
}
}
--------------------------------------------------------------------------------------------
<%@
taglib prefix="s" uri="/struts-tags" %>
<body>
本站访问次数：${applicationScope.counter}<br>
${sessionScope.user
}您已经登陆<br>
${request.tip }<br>
</body>
sessionScope整体的意思是获得存放在session.setAttrbute(key,value)的值