作者：萧鸿锵_976 | 来源：互联网 | 2024-11-02 08:49
本研究基于Java语言开发了一款功能全面的电话簿应用程序，实现了与数据库的高效连接。该应用不仅支持添加、查询和删除联系人信息，还具备输出最大和最小ID号的功能，并能够对用户输入的ID号进行有效性验证，确保数据的准确性和完整性。详细实现方法可参阅相关文档。
//该程序需要连接数据库。根据word文档要求所有功能均已实现。
//大部分方法基本差不多，
//在查询修改的时候能输出 最大ID号 和最小ID号，并且可以对输入的ID号进行判断是否存在（具体方法请查看 修改电话号码， 其他修改方法暂时没有相对完善，
只针对修改电话号码的方法进行了修改，方便后期对编写程序思路的查看）。
package 电话薄1;
public class Menu {
//主菜单
public void mainMenu()
{
for(int i = 0 ; i >= 0 ; i ++ )
{
System.out.println("***********************\n** 1.添加记录 **\n"
+ "** 2.查找记录 **\n"
+ "** 3.修改记录 **\n"
+ "** 4.删除记录 **\n"
+ "** 5.排序记录 **\n"
+ "** 6.退出系统 ** \n"
+ "***********************");
System.out.println("请输入正确的数字，最小是：1 最大是：6");
TelNoteRegex rtn = new TelNoteRegex();
Operate a = new Operate();
switch(rtn.menuRegex(1, 6))
{
case 1:
a.addLogic();
break;
case 2:
a.searchLogic();
break;
case 3:
a.modifyLogicLogic();
break;
case 4:
a.deleteLogic();
break;
case 5:
a.orderLogic();
break;
case 6:
System.out.println("程序已关闭，欢迎下次使用");
i=-2;
break;
}
}
}
//添加用户菜单
public void addMenu() {
System.out.println("***********************\n"
+ "** 1.添加新记录 **\n"
+ "** 2.查看全记录 **\n"
+ "** 3.返回上一级 **\n"
+ "***********************");
System.out.println("请输入正确的数字，最小是：1 最大是：3");
}
//查找用户菜单
void searchMenu() {
System.out.println("***********************\n"
+ "** 1.按姓名查找 **\n"
+ "** 2.按年龄查找 **\n"
+ "** 3.按性别查找 **\n"
+ "** 4.按号码查找 **\n"
+ "** 5.按住址查找 **\n"
+ "** 6.查看全记录 **\n"
+ "** 7.返回上一级 **\n"
+ "***********************");
System.out.println("请输入正确的数字，最小是：1 最大是：7");
}
//修改用户信息菜单
void modifyMenu()
{
System.out.println("***********************\n"
+ "** 1.查看全记录 **\n"
+ "** 2.修改指定记录 **\n"
+ "** 3.返回上一级 **\n"
+ "***********************");
System.out.println("请输入正确的数字，最小是：1 最大是：3");
}
//修改用户信息子菜单
void subModifyMenu ()
{
System.out.println("***********************\n"
+ "** 1.修改姓名 **\n"
+ "** 2.修改年龄 **\n"
+ "** 3.修改性别 **\n"
+ "** 4.修改号码 **\n"
+ "** 5.修改住址 **\n"
+ "** 6.返回上一级 **\n"
+ "***********************");
System.out.println("请输入正确的数字，最小是：1 最大是：6");
}
//删除用户信息菜单
void deleteMenu ()
{
System.out.println("***********************\n"
+ "** 1.查看全记录 **\n"
+ "** 2.删除指定记录 **\n"
+ "** 3.删除全部记录 **\n"
+ "** 4.返回上级 **\n"
+ "************************");
System.out.println("请输入正确的数字，最小是：1 最大是：6");
}
//排序用户信息菜单
void orderMenu ()
{
System.out.println("***********************\n"
+ "** 1.按姓名排序 **\n"
+ "** 2.按年龄排序 **\n"
+ "** 3.按性别排序 **\n"
+ "** 4.查看全部记录 **\n"
+ "** 5.返回上一级 **\n"
+ "***********************");
System.out.println("请输入正确的数字，最小是：1 最大是：6");
}
}
package 电话薄1;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import com.mchange.v2.c3p0.ComboPooledDataSource;
public class Operate {
// 连接池
ComboPooledDataSource cp = new ComboPooledDataSource("helloc3p0");
// 用户添加信息业务逻辑控制
public void addLogic() {
TelNoteRegex rtn = new TelNoteRegex();
Operate i = new Operate();
Menu m = new Menu();
m.addMenu();
switch (rtn.menuRegex(1, 3)) {
case 1:
addOperation();
// break;
case 2:
List lb = i.showAll();
// break;
}
}
// 用户查询信息业务逻辑控制
public void searchLogic() {
TelNoteRegex rtn = new TelNoteRegex();
Menu m = new Menu();
m.searchMenu();
switch (rtn.menuRegex(1, 7)) {
case 1:
searchByName();
break;
case 2:
searchByAge();
break;
case 3:
searchBySex();
break;
case 4:
searchByTelNum();
break;
case 5:
searchByAdd();
break;
case 6:
showAll();
break;
}
}
// 修改信息业务逻辑控制
public void modifyLogicLogic() {
TelNoteRegex rtn = new TelNoteRegex();
Menu m = new Menu();
m.modifyMenu();
switch (rtn.menuRegex(1, 3)) {
case 1:
showAll();
case 2:
modify();
break;
}
}
// 修改指定记录信息
public void modify() {
TelNoteRegex rtn = new TelNoteRegex();
Menu m = new Menu();
m.subModifyMenu();
switch (rtn.menuRegex(1, 6)) {
case 1:
modName();
break;
case 2:
modAge();
break;
case 3:
modSex();
break;
case 4:
modTelNum();
break;
case 5:
modAdd();
break;
case 6:
modifyLogicLogic();
break;
}
}
// 删除信息业务逻辑控制
public void deleteLogic() {
TelNoteRegex rtn = new TelNoteRegex();
Menu m = new Menu();
m.deleteMenu();
switch (rtn.menuRegex(1, 4)) {
case 1:
showAll();
break;
case 2:
delete();
break;
case 3:
deleteAll();
break;
}
}
// 排序信息业务逻辑控制
public void orderLogic() {
TelNoteRegex rtn = new TelNoteRegex();
Menu m = new Menu();
m.orderMenu();
switch (rtn.menuRegex(1, 5)) {
case 1:
orderName();
break;
case 2:
orderAge();
break;
case 3:
orderSex();
break;
case 4:
showAll();
break;
}
}
// 添加新用户信息
public List addOperation() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 输入姓名并判断
TelNoteRegex name1 = new TelNoteRegex();
String name = name1.nameRegex();
// 输入年龄并判断
TelNoteRegex age1 = new TelNoteRegex();
String age = age1.ageRegex();
// 输入性别并判断
TelNoteRegex sex1 = new TelNoteRegex();
String sex = sex1.sexRegex();
// 输入电话号码并判断
TelNoteRegex telnum1 = new TelNoteRegex();
String telnum = telnum1.telnumRegex();
// 输入地址
TelNoteRegex address1 = new TelNoteRegex();
String address = address1.addressRegex();
String sql = "insert into person values(sq_person.nextval,?,?,?,?,?)";
PreparedStatement ps = conn.prepareStatement(sql);
ps.setString(1, name);
ps.setString(2, age);
ps.setString(3, sex);
ps.setString(4, telnum);
ps.setString(5, address);
ps.executeUpdate();
System.out.println("添加成功");
ps.close();
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 查询全部用户信息
public List showAll() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
ResultSet rs = st.executeQuery("select * from person");
// 遍历结果集
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 按姓名查找
public List searchByName() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 输入姓名并判断
TelNoteRegex name1 = new TelNoteRegex();
String name = name1.nameRegex();
String sql = "select * from person where name = '" + name + "'";
ResultSet rs = st.executeQuery(sql);
// 遍历结果集
if (!rs.next()) {
System.out.println("没有相关数据");
} else {
rs = st.executeQuery(sql);
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 按年龄查找
public List searchByAge() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 输入年龄并判断
TelNoteRegex age1 = new TelNoteRegex();
String age = age1.ageRegex();
String sql = "select * from person where age = '" + age + "'";
ResultSet rs = st.executeQuery(sql);
// 遍历结果集
if (!rs.next()) {
System.out.println("没有相关数据");
} else {
rs = st.executeQuery(sql);
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 按性别查询
public List searchBySex() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 输入性别并判断
TelNoteRegex sex1 = new TelNoteRegex();
String sex = sex1.sexRegex();
String sql = "select * from person where sex = '" + sex + "'";
ResultSet rs = st.executeQuery(sql);
// 遍历结果集
if (!rs.next()) {
System.out.println("没有相关数据");
} else {
rs = st.executeQuery(sql);
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 按号码查找
public List searchByTelNum() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 输入号码并判断
TelNoteRegex telnum1 = new TelNoteRegex();
String telnum = telnum1.telnumRegex();
String sql = "select * from person where telnum = '" + telnum + "'";
ResultSet rs = st.executeQuery(sql);
// 遍历结果集
if (!rs.next()) {
System.out.println("没有相关数据");
} else {
rs = st.executeQuery(sql);
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 按号码查找
public List searchByAdd() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 输入地址并判断
TelNoteRegex address1 = new TelNoteRegex();
String address = address1.addressRegex();
String sql = "select * from person where address = '" + address + "'";
ResultSet rs = st.executeQuery(sql);
// 遍历结果集
if (!rs.next()) {
System.out.println("没有相关数据");
} else {
rs = st.executeQuery(sql);
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 修改姓名
public void modName() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 获取ID的最小值
ResultSet rs1 = st.executeQuery("select min(id) from person");
int min = 0;
rs1.next();
min = rs1.getInt(1);
// 获取ID的最大值
ResultSet rs2 = st.executeQuery("select max(id) from person");
int max = 0;
rs2.next();
max = rs2.getInt(1);
System.out.println("请输入要修改的ID号,最小ID号为：" + min + "最大ID号为：" + max);
Scanner scan = new Scanner(System.in);
int id = scan.nextInt();
// 输入姓名并判断
TelNoteRegex name1 = new TelNoteRegex();
String name = name1.nameRegex();
String sql = "update person set name = '" + name + "' where id = '" + id + "'";
ResultSet rs = st.executeQuery(sql);
ResultSet rs5 = st.executeQuery("select * from person where id = '" + id + "'");
// 遍历结果集
if (!rs5.next()) {
System.out.println("没有相关数据，系统退回到主菜单");
} else {
rs = st.executeQuery(sql);
System.out.println("修改成功");
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return;
}
// 修改年龄
public void modAge() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 获取ID的最小值
ResultSet rs1 = st.executeQuery("select min(id) from person");
int min = 0;
rs1.next();
min = rs1.getInt(1);
// 获取ID的最大值
ResultSet rs2 = st.executeQuery("select max(id) from person");
int max = 0;
rs2.next();
max = rs2.getInt(1);
System.out.println("请输入要修改的ID号,最小ID号为：" + min + "最大ID号为：" + max);
Scanner scan = new Scanner(System.in);
int id = scan.nextInt();
// 输入姓名并判断
TelNoteRegex age1 = new TelNoteRegex();
String age = age1.ageRegex();
String sql = "update person set age = '" + age + "' where id = '" + id + "'";
ResultSet rs = st.executeQuery(sql);
ResultSet rs5 = st.executeQuery("select * from person where id = '" + id + "'");
// 遍历结果集
if (!rs5.next()) {
System.out.println("没有相关数据，系统退回到主菜单");
} else {
rs = st.executeQuery(sql);
System.out.println("修改成功");
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return;
}
// 修改性别
public void modSex() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 获取ID的最小值
ResultSet rs1 = st.executeQuery("select min(id) from person");
int min = 0;
rs1.next();
min = rs1.getInt(1);
// 获取ID的最大值
ResultSet rs2 = st.executeQuery("select max(id) from person");
int max = 0;
rs2.next();
max = rs2.getInt(1);
System.out.println("请输入要修改的ID号,最小ID号为：" + min + "最大ID号为：" + max);
Scanner scan = new Scanner(System.in);
int id = scan.nextInt();
// 输入性别并判断
TelNoteRegex sex1 = new TelNoteRegex();
String sex = sex1.sexRegex();
String sql = "update person set sex = '" + sex + "' where id = '" + id + "'";
ResultSet rs = st.executeQuery(sql);
ResultSet rs5 = st.executeQuery("select * from person where id = '" + id + "'");
// 遍历结果集
if (!rs5.next()) {
System.out.println("没有相关数据，系统退回到主菜单");
} else {
rs = st.executeQuery(sql);
System.out.println("修改成功");
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return;
}
// 修改号码
public void modTelNum() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 获取ID的最小值
ResultSet rs1 = st.executeQuery("select min(id) from person");
int min = 0;
rs1.next();
min = rs1.getInt(1);
// 获取ID的最大值
ResultSet rs2 = st.executeQuery("select max(id) from person");
int max = 0;
rs2.next();
max = rs2.getInt(1);
System.out.println("请输入要修改的ID号,最小ID号为：" + min + "最大ID号为：" + max);
Scanner scan = new Scanner(System.in);
int id = scan.nextInt();
ResultSet rs5 = st.executeQuery("select * from person where id = '" + id + "'");
if (!rs5.next()) {
System.out.println("没有相关数据，系统退回到主菜单");
// 遍历结果集
} else {
// 输入号码并判断
TelNoteRegex telnum1 = new TelNoteRegex();
String telnum = telnum1.telnumRegex();
String sql = "update person set telnum = '" + telnum + "' where id = '" + id + "'";
ResultSet rs = st.executeQuery(sql);
rs = st.executeQuery(sql);
System.out.println("修改成功");
}
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return;
}
// 修改地址
public void modAdd() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
// 获取ID的最小值
ResultSet rs1 = st.executeQuery("select min(id) from person");
int min = 0;
rs1.next();
min = rs1.getInt(1);
// 获取ID的最大值
ResultSet rs2 = st.executeQuery("select max(id) from person");
int max = 0;
rs2.next();
max = rs2.getInt(1);
System.out.println("请输入要修改的ID号,最小ID号为：" + min + "最大ID号为：" + max);
Scanner scan = new Scanner(System.in);
int id = scan.nextInt();
// 输入地址并判断
TelNoteRegex add1 = new TelNoteRegex();
String add = add1.addressRegex();
String sql = "update person set address = '" + add + "' where id = '" + id + "'";
ResultSet rs = st.executeQuery(sql);
ResultSet rs5 = st.executeQuery("select * from person where id = '" + id + "'");
// 遍历结果集
if (!rs5.next()) {
System.out.println("没有相关数据，系统退回到主菜单");
} else {
rs = st.executeQuery(sql);
System.out.println("修改成功");
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return;
}
// 删除指定用户信息
public void delete() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
ResultSet rs1 = st.executeQuery("select min(id) from person");
ResultSet rs2 = st.executeQuery("select max(id) from person");
System.out.println(rs1);
System.out.println("请输入要删除的ID");
Scanner scan = new Scanner(System.in);
int id = scan.nextInt();
String sql = "delete from Person where id = '" + id + "'";
ResultSet rs = st.executeQuery(sql);
rs = st.executeQuery(sql);
System.out.println("删除成功");
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return;
}
// 删除全部记录
public void deleteAll() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
String sql = "truncate table person";
ResultSet rs = st.executeQuery(sql);
rs = st.executeQuery(sql);
System.out.println("全部数据已经清空");
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return;
}
// 按用户姓名排序
public List orderName() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
ResultSet rs = st.executeQuery("select * from person order by name");
// 遍历结果集
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 按用户年龄排序
public List orderAge() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
ResultSet rs = st.executeQuery("select * from person order by age");
// 遍历结果集
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
// 按用户性别排序
public List orderSex() {
List rtn = new ArrayList<>();
try {
Connection conn = cp.getConnection();
Statement st = conn.createStatement();
ResultSet rs = st.executeQuery("select * from person order by sex");
// 遍历结果集
while (rs.next()) {
Person pe = new Person();
pe.setId(rs.getInt("id"));
pe.setName(rs.getString("name"));
pe.setAge(rs.getString("age"));
pe.setSex(rs.getString("sex"));
pe.setTelNum(rs.getString("telnum"));
pe.setAddress(rs.getString("address"));
rtn.add(pe);
System.out.println(pe);
}
rs.close();
st.close();
cp.close();
} catch (Exception e) {
e.printStackTrace();
}
return rtn;
}
}
package 电话薄1;
public class Person {
private int id; //用户ID 属性
private String name; // 用户姓名属性
private String age; //用户年龄属性
private String sex; //用户性别属性
private String telNum; // 用户电话号码属性
private String address; //用户地址属性
//有参数构造方法
public Person(int id, String name, String age, String sex, String telNum, String address) {
this.id = id;
this.name = name;
this.age = age;
this.sex = sex;
this.telNum = telNum;
this.address = address;
}
//无参构造方法
public Person() {
super();
// TODO 自动生成的构造函数存根
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getTelNum() {
return telNum;
}
public void setTelNum(String telNum) {
this.telNum = telNum;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
@Override
public String toString() {
return "[序号=" + id + ", 姓名=" + name + ", 年龄=" + age + ", 性别=" + sex + ", 号码=" + telNum
+ ", 地址=" + address + "]";
}
}
package 电话薄1;
import java.util.Scanner;
public class TelNoteRegex {
//对菜单输入选项的验证
public int menuRegex (int min, int max )
{
Scanner scan = new Scanner(System.in);
int z = 0;
try{
while(true)
{
z = scan.nextInt();
if(z>=min && z<=max)
{
break;
}
else{
System.out.println("输入有误，请重新输入"+min+"到"+max);
}
}
return z;
}
catch(Exception e){
System.out.println("输入错误");
}
return z ;
}
//对用户输入姓名的验证
public String nameRegex()
{
System.out.println("请输入姓名,1-10位字母");
Scanner scan = new Scanner(System.in);
String name = "";
while(true)
{
name= scan.nextLine();
if(name.matches("[A-Za-z]{1,10}"))
{
break;
}
else
{
System.out.println("输入错误，请重新输入1-10位字母");
}
}
return name;
}
//对用户输入年龄的验证
public String ageRegex()
{
System.out.println("请输入年龄,1-100+");
Scanner scan = new Scanner(System.in);
String age = "";
while(true)
{
age= scan.nextLine();
if(age.matches("[0-9]{1,2}"))
{
break;
}
else
{
System.out.println("输入错误，请重新输入1-100");
}
}
return age;
}
//对用户输入性别的验证
public String sexRegex()
{
System.out.println("输入性别，（男 m or M） （女 f or F）");
Scanner scan = new Scanner(System.in);
String sex = "";
while(true)
{
sex= scan.nextLine();
if(sex.matches("男|女|m|M|f|F"))
{
break;
}
else
{
System.out.println("输入错误，请重新输入性别，（男 m or M） （女 f or F）");
}
}
return sex;
}
//对用户输入年龄的验证
public String telnumRegex ()
{
System.out.println("输入电话号码，6-11位数字");
Scanner scan = new Scanner(System.in);
String telNum = "";
while(true)
{
telNum= scan.nextLine();
if(telNum.matches("[0-9]{6,11}"))
{
break;
}
else
{
System.out.println("输入错误，请重新输入电话号码，6-11位数字");
}
}
return telNum;
}
//对用户输入地址的验证
public String addressRegex ()
{
System.out.println("输入地址，1-50位字母或数字");
Scanner scan = new Scanner(System.in);
String address = "";
while(true)
{
address= scan.nextLine();
if(address.matches("[A-Za-z0-9]{1,50}"))
{
break;
}
else
{
System.out.println("输入错误，请重新输入地址，1-50位字母或数字");
}
}
return address;
}
}
京公网安备 11010802041100号 | 京ICP备19059560号-4 | PHP1.CN 第一PHP社区 版权所有