package com.jbit.client;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import com.jbit.entity.Student;
import com.jbit.entity.Teacher;
import com.jbit.util.Datas;
import com.jbit.util.SysConstants;
import com.jbit.util.Tools;
/**
* 客户端业务类
*/
public class ClientBIZ {
Socket socket=null;
ObjectInputStream objectInputStream=null;
ObjectOutputStream objectOutputStream=null;
private void initSocket(){
//实例化Socket相关对象
String hosthome=Tools.getValue(SysConstants.SYS_HOSTNAME);
int port=Integer.parseInt(Tools.getValue(SysConstants.SYS_LISTENERPORT));
try {
Socket socket=new Socket(hosthome,port);
objectOutputStream=new ObjectOutputStream(socket.getOutputStream());
objectInputStream=new ObjectInputStream(socket.getInputStream());
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void closeSocket(){
//关闭Socket相关对象
try {
objectOutputStream.close();
objectInputStream.close();
socket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public Datas doLogin(String username,String password){
//登录方法:通过Socket调用服务器的登录服务
try {
initSocket();
Teacher teacher=new Teacher();
teacher.setUsername(username);
teacher.setPassword(password);
Datas datas=new Datas();
datas.setTeacher(teacher);
datas.setFlag(SysConstants.SYS_LOGIN);
objectOutputStream.writeObject(datas);
datas=(Datas)objectInputStream.readObject();
return datas;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
closeSocket();
}
return null;
}
public Datas doFind(int teacherid){
//查询学员信息方法:通过调用Socket调用服务器的查询学员信息服务
try {
initSocket();
Datas datas=new Datas();
datas.setFlag(SysConstants.SYS_FIND);
Teacher teacher=new Teacher();
teacher.setId(teacherid);
datas.setTeacher(teacher);
objectOutputStream.writeObject(datas);
datas=(Datas) objectInputStream.readObject();
return datas;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public Datas doUpdate(int stuid,String comments){
//修改学员信息方法:通过调用Socket调用服务器的修改学员信息服务
try {
initSocket();
Datas datas=new Datas();
datas.setFlag(SysConstants.SYS_UPDATE);
Student student=new Student();
student.setStuid(stuid);
datas.setStudent(student);
objectOutputStream.writeObject(datas);
datas=(Datas) objectInputStream.readObject();
return datas;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public Datas doDelete(int stuid){
//删除学员信息方法:通过调用Socket调用服务器的删除询学员信息服务
try {
initSocket();
Datas datas=new Datas();
datas.setFlag(SysConstants.SYS_DELETE);
Student student=new Student();
student.setStuid(stuid);
datas.setStudent(student);
objectOutputStream.writeObject(datas);
datas=(Datas) objectInputStream.readObject();
return datas;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
closeSocket();
}
return null;
}
}
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tercherproj.zip (23个子文件)
tercherproj
bin
com
jbit
client
ClientBIZ.class 4KB
Client.class 4KB
server
ServerContextListener.class 4KB
ServerService.class 3KB
entity
Teacher.class 1KB
Student.class 2KB
util
Datas.class 2KB
SysConstants.class 707B
Tools.class 992B
sys.properties 27B
.settings
org.eclipse.jdt.core.prefs 629B
src
com
jbit
client
ClientBIZ.java 4KB
Client.java 4KB
server
ServerContextListener.java 3KB
ServerService.java 2KB
entity
Teacher.java 805B
Student.java 1KB
util
Tools.java 511B
SysConstants.java 568B
Datas.java 950B
sys.properties 27B
.project 387B
.classpath 301B
共 23 条
- 1
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