SSH2整合+分页+ajax+js校验用户名
1 action：
FriendAction
package com.ipanel.action;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import com.ipanel.entity.Friend;
import com.ipanel.service.FriendService;
import com.opensymphony.xwork2.ActionSupport;
@SuppressWarnings("serial")
public class FriendAction extends ActionSupport {
private Friend friend;
private FriendService friendService;
private String phone;
private String name;
private String sex;

public String getPhone() {
return phone;
}

public void setPhone(String phone) {
this.phone = phone;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getSex() {
return sex;
}

public void setSex(String sex) {
this.sex = sex;
}

public Friend getFriend() {
return friend;
}

public void setFriend(Friend friend) {
this.friend = friend;
}

public FriendService getFriendService() {
return friendService;
}

public void setFriendService(FriendService friendService) {
this.friendService = friendService;
}

// 删除好友
public String delete() {
friend = this.friendService.findByName(friend.getName());

this.friendService.delete(friend);

return "deletefriend";
}
// 添加好友
public String save() {
System.out.println(name+";"+phone+";"+sex);
if(name==null||"".equals(name.trim())){
this.addFieldError(getName(), "用户名不能为空");
}else{
friend = new Friend();
friend.setName(name);
friend.setPhone(Integer.parseInt(phone));
friend.setSex(sex);
      this.friendService.save(friend);
}

        return "save";
}
// // 查询好友
// public String find(Friend friend){
// friend=this.friendService.findByName(name);
// return "findfriend";
// }
// // 修改好友
// public String update(Friend friend){
// friend=this.friendService.findByName(name);
// friend.setName(name);
// friend.setPhone(phone);
// friend.setSex(sex);
// this.friendService.save(friend);
//           return "save";
// }
//验证用户名
public String checkUserName() throws IOException{ 
HttpServletResponse response = ServletActionContext.getResponse();
PrintWriter out = response.getWriter();
System.out.println("jsgfs");
friend=friendService.findByName(name);
System.out.println(name);
if(friend==null)
{
out.print(1);
}
else
{
out.print(0);
}
return null;
}
@Override
public String execute() throws Exception {
return "input";
}
}
PcookAction
package com.ipanel.action;
import java.io.UnsupportedEncodingException;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.ServletActionContext;
import com.ipanel.entity.Pcook;
import com.ipanel.service.PcookService;
import com.opensymphony.xwork2.ActionSupport;
public class PcookAction extends ActionSupport {
private Pcook pcook;
private PcookService pcookService;
private String name;
private String percent;

private List<Pcook> list;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPercent() {
return percent;
}
public