宠物有狗和企鹅。
狗的属性有：编号、名称、亲密值、健康值、品种、所属主人编号。
企鹅的属性有：编号、名称、亲密值、健康值、性别、所属主人编号。
该系统中主人可以领养宠物，主人的属性有：编号、用户名、密码、姓名、地址、电话。
要求将狗和企鹅的数据保存到同一张表中除所属主人编号、品种、性别外，其余列均不允许为空。主人编号为空表示该宠物未被人领养。
创建宠物表与主人表，狗和企鹅、主人各初始化5条以上的记录用于测试。
编写程序实现以下功能：
1. 主人可以登录到系统中完成下列操作：
2. 主人可以查看当前系统中未被领养的宠物
3. 主人可以领养宠物
4. 主人可以查看自己已领养的所有宠物的信息
5. 主人可以根据编号查询宠物信息
6. 主人可以弃养自己已领养的宠物
7. 退出系统
我是java的初学者，中间代码也有可能有错误的，或是不够简洁的。。。
辅助类
1 package test;
2
3 /**
4 * DAO模式
5 * 第一步 辅助类
6 *
7 * @author acer
8 *
9 */
10 import java.io.File;
11 import java.sql.Connection;
12 import java.sql.DriverManager;
13 import java.sql.PreparedStatement;
14 import java.sql.ResultSet;
15 import java.sql.SQLException;
16 import java.util.Iterator;
17 import java.util.List;
18
19 import org.dom4j.Document;
20 import org.dom4j.Element;
21 import org.dom4j.io.SAXReader;
22
23 /**
24 *
25 * JDBC编程步骤：
26 * 1 加载驱动 Class.forName("字符串")
27 * 2 建立Connection对象
28 * 3 通过Connetion创建PreparedStatement对象
29 * 4 执行SQL语句
30 * 5 处理结果
31 * 6 释放资源
32 * @author acer
33 *
34 */
35 public class JdbcUtil {
36
37 private static String driver;// 驱动
38 private static String url;// 连接字符串
39 private static String user;// 用户名
40 private static String password;// 密码
41
42 private static Connection conn;// Connection对象
43 private static PreparedStatement ptmt;// PreparedStatement对象
44 private static ResultSet rs;// ResultSet对象
45
46 /* 加载数据库驱动 */
47 static {
48 try {
49 loadDatabase();
50 } catch (Exception e1) {
51 e1.printStackTrace();
52 }
53 try {
54 Class.forName(driver);
55 } catch (ClassNotFoundException e) {
56 throw new RuntimeException(e);
57 }
58 }
59
60 private JdbcUtil() {
61
62 }
63
64 /**
65 * 读取配置文件
66 *
67 * @throws Exception
68 */
69
70 private static void loadDatabase() throws Exception {
71 // 创建SAXReader对象
72 SAXReader reader = new SAXReader();
73 // 创建Document对象
74 Document document = reader.read(new File("src/test/database.xml"));
75 List list = document.selectNodes("/database/driver");
76 // 迭代
77 Iterator it = list.iterator();
78 while (it.hasNext()) {
79 Element item = (Element) it.next();
80 driver = item.getText();
81 }
82
83 list = document.selectNodes("/database/url");
84 it = list.iterator();
85 while (it.hasNext()) {
86 Element item = (Element) it.next();
87 url = item.getText();
88 }
89
90 list = document.selectNodes("/database/user");
91 it = list.iterator();
92 while (it.hasNext()) {
93 Element item = (Element) it.next();
94 user = item.getText();
95 }
96
97 list = document.selectNodes("/database/password");
98 it = list.iterator();
99 while (it.hasNext()) {
100 Element item = (Element) it.next();
101 password = item.getText();
102 }
103 }
104
105 /**
106 * 获取数据库连接
107 *
108 * @return 连接对象
109 */
110 public static Connection getConnection() {
111 try {
112 return conn = DriverManager.getConnection(url, user, password);
113 } catch (SQLException e) {
114 throw new RuntimeException(e);
115 }
116 }
117
118 /**
119 * 释放ResultSet资源
120 *
121 * @param rs
122 */
123 public static void close(ResultSet rs) {
124 try {
125 if (null != rs)
126 rs.close();
127 } catch (SQLException e) {
128 throw new RuntimeException(e);
129 }
130 }
131
132 /**
133 * 释放PreparedStatement资源
134 *
135 * @param ptmt
136 */
137 public static void close(PreparedStatement ptmt) {
138 try {
139 if (null != ptmt)
140 ptmt.close();
141 } catch (SQLException e) {
142 throw new RuntimeException(e);
143 }
144 }
145
146 /**
147 * 释放Connection资源
148 *
149 * @param conn
150 */
151 public static void close(Connection conn) {
152 try {
153 if (null != conn)
154 conn.close();
155 } catch (SQLException e) {
156 throw new RuntimeException(e);
157 }
158 }
159
160 /**
161 * 释放所有资源
162 */
163 public static void close() {
164 try {
165 if (null != rs && !rs.isClosed()) {
166 rs.close();
167 }
168 rs = null;
169 } catch (SQLException e) {
170 throw new RuntimeException(e);
171 } finally {
172 try {
173 if (null != ptmt && !ptmt.isClosed()) {
174 ptmt.close();
175 }
176 ptmt = null;
177 } catch (SQLException e) {
178 throw new RuntimeException(e);
179 } finally {
180 try {
181 System.out.println(conn);
182 if (null != conn && !conn.isClosed()) {
183 conn.close();
184 }
185 conn = null;
186 } catch (SQLException e) {
187 throw new RuntimeException(e);
188 }
189 }
190 }
191 }
192
193 /**
194 * 执行增删改
195 *
196 * @param sql
197 * 待执行的SQL语句
198 * @param params
199 * SQL语句中?占位符的参数
200 * @return 受影响的行数
201 */
202 public static int executeUpdate(String sql, Object... params) {
203 try {
204 if (null == conn)
205 getConnection();
206 ptmt = conn.prepareStatement(sql);
207 if (null != params) { // 为SQL语句中?占位符设置参数
208 for (int i = 0; i < params.length; i++) {
209 ptmt.setObject(i + 1, params[i]);
210 }
211 }
212 int cnt = ptmt.executeUpdate();
213 return cnt;
214 } catch (SQLException e) {
215 throw new RuntimeException(e);
216 }
217 }
218
219 /**
220 * 执行查询操作
221 *
222 * @param sql
223 * @param params
224 * @return 查询出来的结果集
225 */
226 public static ResultSet executeQuery(String sql, Object... params) {
227 try {
228 ptmt = conn.prepareStatement(sql);
229 if (null != params) {
230 for (int i = 0; i < params.length; i++) { // 为每个?占位符设置参数
231 ptmt.setObject(i + 1, params[i]);
232 }
233 }
234 return rs = ptmt.executeQuery();
235 } catch (SQLException e) {
236 throw new RuntimeException("执行查询操作失败", e);
237 }
238 }
239
240 /**
241 * 查询
242 */
243 public static ResultSet executeQuery(String sql) {
244
245 try {
246 ptmt = conn.prepareStatement(sql);
247 } catch (SQLException e1) {
248 e1.printStackTrace();
249 }
250 try {
251 return rs = ptmt.executeQuery();
252 } catch (SQLException e) {
253 e.printStackTrace();
254 }
255 return rs;
256
257 }
258
259 }
1 package test;
2
3 import java.sql.ResultSet;
4 import java.util.Scanner;
5
6 import test.dao.PetDao;
7 import test.dao.impl.PetDaoMySQLImpl;
8 import test.entity.Master;
9 import test.entity.Pet;
10
11 /**
12 * 用户的能力
13 * @author acer
14 *
15 */
16 public class MasterManger {
17 /**
18 * 登录主菜单
19 * @throws Exception
20 */
21 public void frist() throws Exception{
22 Scanner input = new Scanner(System.in);
23 System.out.println("欢迎来到宠物上世界！");
24 System.out.println("请选择。。。。。\n1 登录 2 注册 3退出");
25 int choose = input.nextInt();
26 switch(choose){
27 case 1:
28 login();
29 break;
30 case 2:
31 register();
32 break;
33 case 3:
34 System.exit(0);
35 }
36 }
37 /**
38 *
39 * 新用户注册
40 * @throws Exception
41 */
42 public void register() throws Exception{
43 Scanner input=new Scanner(System.in);
44 System.out.print("请注册你的用户名：");
45 String username = input.next();
46 System.out.print("请注册你的密码：");
47 String password = input.next();
48 System.out.print("请注册你的名字：");
49 String name = input.next();
50 System.out.print("请注册你的地址：");
51 String address = input.next();
52 System.out.print("请注册你的电话号码：");
53 int phone = input.nextInt();
54 Master master=new Master(username,password,name,address,phone);
55 //保存到数据库中
56 PetDao dao=new PetDaoMySQLImpl();
57 int cnt=dao.save(master);
58 System.out.println("注册成功！\n您可以登录了！！！");
59 login();
60 }
61
62
63 /**
64 * 主人登录
65 * @throws Exception
66 */
67 public void login() throws Exception{
68 Scanner input = new Scanner(System.in);
69 System.out.print("请输入你的用户名：");
70 String username= input.next();
71 System.out.print("请输入你的密码：");
72 String password = input.next();
73 String sql="select * from master where username=? and password=?";
74 JdbcUtil.getConnection();
75 //执行查询
76 ResultSet rs=JdbcUtil.executeQuery(sql,username,password);
77 if(rs.next()){
78 System.out.println("主人登录成功！");
79 System.out.println("主人的基本信息：");
80 System.out.println("编码："+rs.getInt("id")+"\n姓名："+rs.getString("name")+
81 "\n地址："+rs.getString("address")+"\n电话："+rs.getInt("phone"));
82 menu();
83 }
84 else{
85 System.out.println("1 用户名或密码错误");
86 System.out.println("2 还是您还没有注册呢！");
87 int start=input.nextInt();
88 if(start==1){
89 login() ;
90 }
91 else if(start==2){
92 register();
93 }
94
95 }
96 }
97
98 /**
99 * 4 根据id号查询宠物信息
100 * @throws Exception
101 */
102
103 public void findPetById() throws Exception{
104 Scanner input=new Scanner(System.in);
105 System.out.println("请输入你查询的宠物id号：");
106 int id=input.nextInt();
107 String sql="select * from pet where id=?";
108 JdbcUtil.getConnection();
109 ResultSet rs=JdbcUtil.executeQuery(sql, id);
110 System.out.println("这是你查找的宠物信息！！");
111 if(rs.next()){
112 if(rs.getString("gender").equals("无")){
113 System.out.println("宠物狗");
114 System.out.println("编号："+rs.getInt("id")+"\t名字："+rs.getString("name")+"\t亲密值："
115 +rs.getInt("love")+"\t健康值："+rs.getInt("health")+"\t品种："+rs.getString("varietiess"));
116 }
117 else{
118 System.out.println("\n宠物企鹅");
119 System.out.println("编号："+rs.getInt("id")+"\t名字："+rs.getString("name")+"\t亲密值："
120 +rs.getInt("love")+"\t健康值："+rs.getInt("health")+"\t性别："+rs.getString("gender"));
121 }
122 }
123
124
125
126 }
127
128 /**
129 * 1 查询所有没有被领养的宠物
130 * @throws Exception
131 */
132
133 public void findAllNoMaster() throws Exception{
134 String sql="select * from pet where masterId=0";
135 JdbcUtil.getConnection();
136 ResultSet rs=JdbcUtil.executeQuery(sql);
137 System.out.println("这些是还没有被领养的宠物");
138 while(rs.next()){
139 if(rs.getString("gender").equals("无")){
140 System.out.println("宠物狗");
141 System.out.println("编号："+rs.getInt("id")+"\t名字："+rs.getString("name")+"\t亲密值："
142 +rs.getInt("love")+"\t健康值："+rs.getInt("health")+"\t品种："+rs.getString("varietiess"));
143 }
144 else{
145 System.out.println("\n宠物企鹅");
146 System.out.println("编号："+rs.getInt("id")+"\t名字："+rs.getString("name")+"\t\t亲密值："
147 +rs.getInt("love")+"\t健康值："+rs.getInt("health")+"\t性别："+rs.getString("gender"));
148 }
149 }
150
151
152 }
153
154 /**
155 * 2 查询自己所养的宠物
156 * @throws Exception
157 */
158
159 public void myPet() throws Exception{
160 Scanner input = new Scanner(System.in);
161 System.out.println("请输入你的ID号：");
162 int id=input.nextInt();
163 String sql="select * from pet where masterId=?";
164 JdbcUtil.getConnection();
165 ResultSet rs = JdbcUtil.executeQuery(sql,id);
166 System.out.println("这是您的宠物信息！！");
167 while(rs.next()){
168 if(rs.getString("gender").equals("无")){
169 System.out.println("宠物狗");
170 System.out.println("编号："+rs.getInt("id")+"\t名字："+rs.getString("name")+"\t亲密值："
171 +rs.getInt("love")+"\t健康值："+rs.getInt("health")+"\t品种："+rs.getString("varietiess"));
172 }
173 else{
174 System.out.println("宠物企鹅");
175 System.out.println("编号："+rs.getInt("id")+"\t名字："+rs.getString("name")+"\t\t亲密值："
176 +rs.getInt("love")+"\t健康值："+rs.getInt("health")+"\t性别："+rs.getString("gender"));
177 }
178 }
179 }
180
181
182 /**
183 * 领养宠物
184 */
185 public void adoptPet(){
186
187 Scanner input = new Scanner(System.in);
188 System.out.println("请输入你的编号：");
189 int id=input.nextInt();
190 System.out.println("请输入你要领养宠物的编号：");
191 int num=input.nextInt();
192 Pet pet=new Pet(id,num);
193 PetDao dao=new PetDaoMySQLImpl();
194 int cnt=dao.adoptPet(pet);
195
196 if(cnt==1){
197 System.out.println("领养成功！！");
198 }else{
199 System.out.println("领养失败！");
200 }
201 }
202
203 /**
204 * 弃养自己的宠物
205 */
206
207 public void updatePet(){
208 Scanner input = new Scanner(System.in);
209 System.out.println("请输入你要弃养宠物的名字：");
210 String name=input.next();
211 System.out.println("请确认你所弃养的宠物编号：");
212 int id=input.nextInt();
213 Pet pet=new Pet(name,id);
214 PetDao dao=new PetDaoMySQLImpl();
215 int cnt=dao.updatePet(pet);
216 if(cnt==1){
217 System.out.println("就这样放弃了您的宠物！！！");
218 }else{
219 System.out.println("弃养宠物失败！");
220 }
221
222 }
223
224 /**
225 *
226 * 功能主菜单
227 * @throws Exception
228 */
229 public void menu() throws Exception{
230 Scanner input =new Scanner(System.in);
231 System.out.println("\n请选择。。。");
232 while (true){
233 System.out.println("1 查看当前系统中未被领养的宠物\n2 查看自己已领养的所有宠物的信息\n3"
234 + " 根据编号查询宠物信息\n4 弃养自己已领养的宠物\n5 可以领养宠物\n6 退出系统");
235 int choose=input.nextInt();
236 switch(choose){
237 case 1:
238 findAllNoMaster();
239 break;
240 case 2:
241 myPet();
242 break;
243 case 3:
244 findPetById();
245 break;
246 case 4:
247 myPet();
248 updatePet();
249 break;
250 case 5:
251 findAllNoMaster();
252 adoptPet();
253 break;
254 case 6:
255 System.exit(0);
256 }
257 }
258 }
259
260
261
262
263 }
测试类
1 package test;
2
3 public class Test {
4 public static void main(String[] args) throws Exception {
5 MasterManger u=new MasterManger();
6 u.frist();
7 }
8 }
实体类
1 package test.entity;
2 /**
3 * 第二步 实体
4 * 宠物类
5 * @author acer
6 *
7 */
8 public class Pet {
9
10 private int id;//编号
11 private String name;//名称
12 private int love;//亲密值
13 private int health;//健康值
14 private int masterId;//所属主人编号
15 public Pet() {
16 super();
17 }
18 public Pet(int id, String name, int love, int health, int masterId) {
19 super();
20 this.id = id;
21 this.name = name;
22 this.love = love;
23 this.health = health;
24 this.masterId = masterId;
25 }
26
27 public Pet(int masterId) {
28 super();
29 this.masterId = masterId;
30 }
31
32 public Pet(String name) {
33 super();
34 this.name = name;
35 }
36
37 public Pet(int masterId, int id ) {
38 super();
39 this.id = id;
40 this.masterId = masterId;
41 }
42 public int getId() {
43 return id;
44 }
45 public void setId(int id) {
46 this.id = id;
47 }
48 public String getName() {
49 return name;
50 }
51 public void setName(String name) {
52 this.name = name;
53 }
54 public int getLove() {
55 return love;
56 }
57 public void setLove(int love) {
58 this.love = love;
59 }
60 public int getHealth() {
61 return health;
62 }
63 public void setHealth(int health) {
64 this.health = health;
65 }
66 public int getMasterId() {
67 return masterId;
68 }
69 public void setMasterId(int masterId) {
70 this.masterId = masterId;
71 }
72
73
74 public Pet(String name,int id ) {
75 super();
76 this.id = id;
77 this.name = name;
78 }
79 @Override
80 public String toString() {
81 return "Pet [id=" + id + ", name=" + name + ", love=" + love
82 + ", health=" + health + ", masterId=" + masterId + "]";
83 }
84
85
86 }
1 package test.entity;
2 /**
3 * 宠物狗
4 * @author acer
5 *
6 */
7 public class Dogs extends Pet {
8 public String varieties;//品种
9
10 public Dogs(){
11 }
12
13 public Dogs(int id, String name, int love, int health, int masterId,
14 String varieties) {
15 super(id, name, love, health, masterId);
16 this.varieties = varieties;
17 }
18
19 public String getVarieties() {
20 return varieties;
21 }
22
23 public void setVarieties(String varieties) {
24 this.varieties = varieties;
25 }
26
27 @Override
28 public String toString() {
29 return "Dogs [varieties=" + varieties + "+ super.toString() + ";
30 }
31
32
33 }
1 package test.entity;
2 /**
3 * 主人类
4 * @author acer
5 *
6 */
7 public class Master {
8
9 private int id;
10 private String username;
11 private String password;
12 private String name;
13 private String address;
14 private int phone;
15
16 public Master(int id) {
17 super();
18 this.id = id;
19 }
20
21 public Master(String username, String password, String name,
22 String address, int phone) {
23 super();
24 this.username = username;
25 this.password = password;
26 this.name = name;
27 this.address = address;
28 this.phone = phone;
29 }
30
31 public Master(int id, String username, String password, String name,
32 String address, int phone) {
33 super();
34 this.id = id;
35 this.username = username;
36 this.password = password;
37 this.name = name;
38 this.address = address;
39 this.phone = phone;
40 }
41
42 public int getId() {
43 return id;
44 }
45
46 public void setId(int id) {
47 this.id = id;
48 }
49
50 public String getUsername() {
51 return username;
52 }
53
54 public void setUsername(String username) {
55 this.username = username;
56 }
57
58 public String getPassword() {
59 return password;
60 }
61
62 public void setPassword(String password) {
63 this.password = password;
64 }
65
66 public String getName() {
67 return name;
68 }
69
70 public void setName(String name) {
71 this.name = name;
72 }
73
74 public String getAddress() {
75 return address;
76 }
77
78 public void setAddress(String address) {
79 this.address = address;
80 }
81
82 public int getPhone() {
83 return phone;
84 }
85
86 public void setPhone(int phone) {
87 this.phone = phone;
88 }
89
90 @Override
91 public String toString() {
92 return "Master [id=" + id + ", username=" + username + ", password="
93 + password + ", name=" + name + ", address=" + address
94 + ", phone=" + phone + "]";
95 }
96
97
98
99
100
101
102 }
1 package test.entity;
2 /**
3 * 企鹅类
4 * @author acer
5 *
6 */
7 public class Penguin extends Pet{
8 private String gender;
9 public Penguin(){
10
11 }
12 public Penguin(int id, String name, int love, int health, int masterId,
13 String gender) {
14 super(id, name, love, health, masterId);
15 this.gender = gender;
16 }
17 public String getGender() {
18 return gender;
19 }
20 public void setGender(String gender) {
21 this.gender = gender;
22 }
23 @Override
24 public String toString() {
25 return "Penguin [gender=" + gender + "" + super.toString()
26 + "]";
27 }
28
29
30 }
DAO接口
1 package test.dao;
2 /**
3 * 第三步： DAO接口
4 */
5 import java.sql.ResultSet;
6 import test.entity.Master;
7 import test.entity.Pet;
8
9 public interface PetDao {
10 /**
11 * 用于注册新的用户
12 * @param master
13 * @return
14 */
15
16 int save(Master master);
17 /**
18 * 2 查看没有被领养的宠物
19 *
20 * @return 宠物
21 */
22 ResultSet noMasterPet();
23
24 /**
25 * 根据编号查询宠物信息
26 */
27 ResultSet getPetById(int id);
28 /**
29 * 查看自己的宠物
30 */
31 ResultSet myPet(int id);
32 /**
33 * 领养宠物
34 */
35 int adoptPet(Pet pet);
36 /**
37 *
38 * 弃养自己的宠物
39 */
40 int updatePet(Pet pet);
41 }
DAO接口实现类
1 package test.dao.impl;
2
3 /**
4 * 第四步 DAO接口实现类
5 *
6 */
7 import java.sql.ResultSet;
8
9 import test.JdbcUtil;
10 import test.dao.PetDao;
11 import test.entity.Master;
12 import test.entity.Pet;
13
14 public class PetDaoMySQLImpl implements PetDao {
15 /**
16 * 注册 成功
17 */
18 @Override
19 public int save(Master master) {
20 // 1 SQL语句
21 String sql = "insert into master(username,password,name,address,phone) values (?,?,?,?,?)";
22 // 2 建立连接
23 JdbcUtil.getConnection();
24 // 3 执行操作
25 int cnt = JdbcUtil.executeUpdate(sql, master.getUsername(),
26 master.getPassword(), master.getName(), master.getAddress(),
27 master.getPhone());
28 // 4 释放资源
29 JdbcUtil.close();
30 return cnt;
31 }
32
33 /**
34 * 没有被领养的宠物 成功
35 */
36 @Override
37 public ResultSet noMasterPet() {
38 String sql = "select * from pet where masterId =0";
39 JdbcUtil.getConnection();
40 ResultSet rs = JdbcUtil.executeQuery(sql);
41 JdbcUtil.close();
42 return rs;
43 }
44
45 /**
46 * 根据id号查找宠物 成功
47 */
48 @Override
49 public ResultSet getPetById(int id) {
50 String sql = "select * form pet where id=?";
51 JdbcUtil.getConnection();
52 ResultSet rs = JdbcUtil.executeQuery(sql, id);
53 JdbcUtil.close();
54 return rs;
55 }
56
57 /**
58 * 查询自己的宠物 成功
59 *
60 */
61 @Override
62 public ResultSet myPet(int id) {
63 String sql = "select * from pet where masterId=?";
64 JdbcUtil.getConnection();
65 ResultSet rs = JdbcUtil.executeQuery(sql, id);
66 JdbcUtil.close();
67 return rs;
68
69 }
70
71 /**
72 * 领养宠物
73 *
74 */
75 @Override
76 public int adoptPet(Pet pet) {
77 String sql = "update pet set masterId=? where id=?";
78 JdbcUtil.getConnection();
79 int cnt = JdbcUtil.executeUpdate(sql, pet.getMasterId(), pet.getId());
80 JdbcUtil.close();
81 return cnt;
82 }
83
84 /**
85 *
86 * 弃养自己的宠物
87 */
88 @Override
89 public int updatePet(Pet pet) {
90 String sql = "update pet set masterId=0 WHERE name=? and id=?";
91 JdbcUtil.getConnection();
92 int cnt = JdbcUtil.executeUpdate(sql, pet.getName(), pet.getId());
93 JdbcUtil.close();
94 return cnt;
95 }
96
97 }
数据库内容
1 create table pet( 2 id int not null primary key auto_increment, 3 name varchar(50) not null, 4 love int not null, 5 health int not null, 6 varietiess varchar(20), 7 gender varchar(10), 8 masterId int 9 ); 10 11 create table master( 12 id int not null primary key auto_increment, 13 username varchar(50) not null, 14 password varchar(50) not null, 15 name varchar(50) not null, 16 address varchar(100) not null, 17 phone int not null 18 ); 19 20 insert into pet values (null,'小狗one',90,90,'牧羊犬','无',1); 21 insert into pet values (null,'小狗two',90,90,'牧羊犬','无',2); 22 insert into pet values (null,'小狗three',90,90,'牧羊犬','无',3); 23 insert into pet values (null,'小狗four',90,90,'牧羊犬','无',0); 24 insert into pet values (null,'小狗five',90,90,'牧羊犬','无',0); 25 insert into pet values (null,'小狗six',90,90,'牧羊犬','无',0); 26 27 insert into pet values (null,'企鹅1',89,89,'无','男',1); 28 insert into pet values (null,'企鹅2',89,89,'无','女',0); 29 insert into pet values (null,'企鹅3',89,89,'无','男',0); 30 insert into pet values (null,'企鹅4',89,89,'无','女',0); 31 insert into pet values (null,'企鹅5',89,89,'无','男',2); 32 33 insert into master values (null,'one','one1','张三','四川成都',4914676); 34 insert into master values (null,'two','two2','李四','四川成都',4914671); 35 insert into master values (null,'three','three3','王五','四川成都',4914672); 36 insert into master values (null,'four','four4','小明','四川成都',4914673); 37 insert into master values (null,'five','five5','小鬼','四川成都',4914674);
时间： 2024-10-24 18:41:22