本文实例为大家分享了java聊天工具的具体制作代码，供大家参考，具体内容如下

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首先建立一个工程，导入数据库驱动

工程图

解释一下 entity包是 bin目录 Message包下 和 User包下 是对象相关的操作

Message

package com.FakeQQ.entity;

import java.util.Date;

public class Message {

  //需要序列化发送，所以要继承Serializable接口
    private int id;
    private String content;
    private int sender;
    private int receiver;
    private Date sendTime;
    private Date receiveTime;
    private int state;
    private int ip;

    public int getIp() {
      return ip;
    }
    public void setIp(int ip) {
      this.ip = ip;
    }
    public int getId() {
      return id;
    }
    public void setId(int id) {
      this.id = id;
    }
    public String getContent() {
      return content;
    }
    public void setContent(String content) {
      this.content = content;
    }
    public int getSender() {
      return sender;
    }
    public void setSender(int sender) {
      this.sender = sender;
    }
    public int getReceiver() {
      return receiver;
    }
    public void setReceiver(int receiver) {
      this.receiver = receiver;
    }
    public Date getSendTime() {
      return sendTime;
    }
    public void setSendTime(Date sendTime) {
      this.sendTime = sendTime;
    }
    public Date getReceiveTime() {
      return receiveTime;
    }
    public void setReceiveTime(Date receiveTime) {
      this.receiveTime = receiveTime;
    }
    public int getState() {
      return state;
    }
    public void setState(int state) {
      this.state = state;
    }
  }

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