import java.util.Scanner;
import java.util.regex.Pattern;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
class Person {
private int id;
private String name;
private String age;
private String sex;
private String telNum;
private String address;
public Person(String name, String age, String sex, String telNum, String address) {
this.name = name;
this.age = age;
this.sex = sex;
this.telNum = telNum;
this.address = address;
}
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; }
public String toString() {
return String.
format("序号 %d# 姓名 %s 年龄%s 性别%s 电话号码 %s 住址%s",
id, name, age, sex, telNum, address);
}
}
class TelNoteRegex {
private Scanner scanner;
public TelNoteRegex() {
this.scanner = new Scanner(System.in);
}
public int menuRegex(int min, int max) {
while (true) {
try {
System.out.printf("请输入正确的数字,最小是:%d最大是:%d\n", min, max);
String input = scanner.nextLine();
int choice = Integer.parseInt(input);
if (choice >= min && choice <= max) {
return choice;
} else {
System.out.println("输入错误，请重新输入！");
}
} catch (Number
FormatException e) {
System.out.println("请输入有效的数字！");
}
}
}
public String nameRegex() {
while (true) {
System.out.print("输入姓名，1-10位字母: ");
String name = scanner.nextLine().trim();
if (Pattern.matches("^[a-zA-Z]{1,10}$", name)) {
return name;
} else {
System.out.println("输入姓名错误，请检查");
}
}
}
public String ageRegex() {
while (true) {
System.out.print("输入年龄（1-120）: ");
String age = scanner.nextLine().trim();
try {
int ageNum = Integer.parseInt(age);
if (ageNum >= 1 && ageNum <= 120) {
return age;
} else {
System.out.println("年龄范围错误！");
}
} catch (Number
FormatException e) {
System.out.println("请输入有效的数字！");
}
}
}
public String sexRegex() {
while (true) {
System.out.print("输入性别（M-男, F-女）: ");
String sex = scanner.nextLine().trim().toUpperCase();
if (sex.equals("M") || sex.equals("F")) {
return sex;
} else {
System.out.println("性别输入错误！");
}
}
}
public String telNumRegex() {
while (true) {
System.out.print("输入电话号码（1-15位数字）: ");
String telNum = scanner.nextLine().trim();
if (Pattern.matches("^\\d{1,15}$", telNum)) {
return telNum;
} else {
System.out.println("电话号码格式错误！");
}
}
}
public String addressRegex() {
while (true) {
System.out.print("输入地址（1-50位字符）: ");
String address = scanner.nextLine().trim();
if (address.length() >= 1 && address.length() <= 50) {
return address;
} else {
System.out.println("地址长度错误！");
}
}
}
public int getIdInput(String prompt) {
while (true) {
try {
System.out.print(prompt);
String input = scanner.nextLine();
return Integer.parseInt(input);
} catch (Number
FormatException e) {
System.out.println("请输入有效的数字ID！");
}
}
}
}
class Operate {
private List<Person> persons;
private int nextId;
private TelNoteRegex regex;
public Operate() {
this.persons = new ArrayList<>();
this.nextId = 1;
this.regex = new TelNoteRegex();
}
public void add
Logic() {
System.out.println("\n===
添加新联系人 ===");
String name = regex.nameRegex();
String age = regex.ageRegex();
String sex = regex.sexRegex();
String telNum = regex.telNumRegex();
String address = regex.addressRegex();
Person person = new Person(name, age, sex, telNum, address);
person.setId(nextId++);
persons.add(person);
System.out.println("✓ 联系人
添加成功！");
showAll();
}
public void
searchLogic() {
boolean inSearchMenu = true;
while (inSearchMenu) {
System.out.println("\n=== 查找联系人 ===");
System.out.println("***1按姓名查找**2按年龄查找**3按性别查找**4按号码查找**5按住址查找**6查看全记录**7返回上一级***");
int choice = regex.menuRegex(1, 7);
switch (choice) {
case 1: searchByName(); break;
case 2: searchByAge(); break;
case 3: searchBySex(); break;
case 4: searchByTelNum(); break;
case 5: searchByAddress(); break;
case 6: showAll(); break;
case 7: inSearchMenu = false; break;
}
}
}
private void searchByName() {
System.out.print("输入姓名: ");
String name = regex.nameRegex();
boolean found = false;
for (Person person : persons) {
if (person.getName().equalsIgnoreCase(name)) {
System.out.println(person);
found = true;
}
}
if (!found) {
System.out.println("未找到姓名为 " + name + " 的联系人");
}
}
private void searchByAge() {
System.out.print("输入年龄: ");
String age = regex.ageRegex();
boolean found = false;
for (Person person : persons) {
if (person.getAge().equals(age)) {
System.out.println(person);
found = true;
}
}
if (!found) {
System.out.println("未找到年龄为 " + age + " 的联系人");
}
}
private void searchBySex() {
System.out.print("输入性别: ");
String sex = regex.sexRegex();
boolean found = false;
for (Person person : persons) {
if (person.getSex().equalsIgnoreCase(sex)) {
System.out.println(person);
found = true;
}
}
if (!found) {
System.out.println("未找到性别为 " + sex + " 的联系人");
}
}
private void searchByTelNum() {
System.out.print("输入电话号码: ");
String telNum = regex.telNumRegex();
boolean found = false;
for (Person person : persons) {
if (person.getTelNum().equals(telNum)) {
System.out.println(person);
found = true;
}
}
if (!found) {
System.out.println("未找到电话号码为 " + telNum + " 的联系人");
}
}
private void searchByAddress() {
System.out.print("输入地址关键词: ");
String keyword = regex.addressRegex();
boolean found = false;
for (Person person : persons) {
if (person.getAddress().toLowerCase().contains(keyword.toLowerCase())) {
System.out.println(person);
found = true;
}
}
if (!found) {
System.out.println("未找到地址包含 " + keyword + " 的联系人");
}
}
public void modify
Logic() {
if (persons.isEmpty()) {
System.out.println("电话簿为空，无法修改");
return;
}
showAll();
int id = regex.getIdInput("请输入要修改的联系人ID: ");
Person target = findPersonById(id);
if (target != null) {
modifyPerson(target);
} else {
System.out.println("未找到ID为 " + id + " 的联系人");
}
}
private void modifyPerson(Person person) {
System.out.println("当前信息: " + person);
System.out.println("请选择修改项目: 1.姓名 2.年龄 3.性别 4.电话 5.地址 6.全部修改");
int choice = regex.menuRegex(1, 6);
switch (choice) {
case 1: person.setName(regex.nameRegex()); break;
case 2: person.setAge(regex.ageRegex()); break;
case 3: person.setSex(regex.sexRegex()); break;
case 4: person.setTelNum(regex.telNumRegex()); break;
case 5: person.setAddress(regex.addressRegex()); break;
case 6:
person.setName(regex.nameRegex());
person.setAge(regex.ageRegex());
person.setSex(regex.sexRegex());
person.setTelNum(regex.telNumRegex());
person.setAddress(regex.addressRegex());
break;
}
System.out.println("✓ 修改成功！新信息: " + person);
}
public void delete
Logic() {
boolean inDeleteMenu = true;
while (inDeleteMenu) {
System.out.println("\n=== 删除联系人 ===");
System.out.println("***1查看全记录**2删除指定记录**3删除全部记录**4返回上一级***");
int choice = regex.menuRegex(1, 4);
switch (choice) {
case 1: showAll(); break;
case 2: deleteById(); break;
case 3: deleteAll(); break;
case 4: inDeleteMenu = false; break;
}
}
}
private void deleteById() {
if (persons.isEmpty()) {
System.out.println("电话簿为空，无法删除");
return;
}
showAll();
int id = regex.getIdInput("请输入要删除的联系人ID: ");
Person target = findPersonById(id);
if (target != null) {
persons.remove(target);
reorganizeIds();
System.out.println("✓ 删除成功！");
showAll();
} else {
System.out.println("未找到ID为 " + id + " 的联系人");
}
}
private void deleteAll() {
if (persons.isEmpty()) {
System.out.println("电话簿已为空");
return;
}
persons.clear();
nextId = 1;
System.out.println("✓ 电话簿内容已清空");
}
public void order
Logic() {
boolean inOrderMenu = true;
while (inOrderMenu) {
System.out.println("\n=== 排序联系人 ===");
System.out.println("***1按姓名排序**2按年龄排序**3按性别排序**4返回上一级***");
int choice = regex.menuRegex(1, 4);
switch (choice) {
case 1: orderByName(); break;
case 2: orderByAge(); break;
case 3: orderBySex(); break;
case 4: inOrderMenu = false; break;
}
}
}
private void orderByName() {
persons.sort(Comparator.comparing((Person p) -> p.getName()));
System.out.println("✓ 按姓名排序完成");
showAll();
}
private void orderByAge() {
persons.sort(Comparator.comparing( p-> Integer.parseInt(p.getAge())));
System.out.println("✓ 按年龄排序完成");
showAll();
}
private void orderBySex() {
persons.sort(Comparator.comparing((Person p) -> p.getSex()));
System.out.println("✓ 按性别排序完成");
showAll();
}
public void showAll() {
if (persons.isEmpty()) {
System.out.println("电话簿为空");
return;
}
System.out.println("\n=== 所有联系人 ===");
for (Person person : persons) {
System.out.println(person);
}
}
private Person findPersonById(int id) {
for (Person person : persons) {
if (person.getId() == id) {
return person;
}
}
return null;
}
private void reorganizeIds() {
nextId = 1;
for (Person person : persons) {
person.setId(nextId++);
}
}
}
class Menu {
private Operate operate;
public Menu() {
this.operate = new Operate();
}
public void mainMenu() {
TelNoteRegex regex = new TelNoteRegex();
boolean running = true;
System.out.println("=== 欢迎使用电话簿程序 ===");
while (running) {
System.out.println("\n" + "＊".repeat(50));
System.out.println("＊＊＊1
添加记录＊＊＊2查找记录＊＊＊3修改记录＊＊＊4删除记录＊＊＊5排序记录＊＊＊6退出系统＊＊＊");
System.out.println("＊".repeat(50));
int choice = regex.menuRegex(1, 6);
switch (choice) {
case 1: addMenu(); break; // 进入
添加菜单
case 2: searchMenu(); break; // 进入查找菜单
case 3: modifyMenu(); break; // 进入修改菜单
case 4: deleteMenu(); break; // 进入删除菜单
case 5: orderMenu(); break; // 进入排序菜单
case 6:
running = false;
System.out.println("感谢使用电话簿程序，再见！");
break;
}
}
}
private void addMenu() {
TelNoteRegex regex = new TelNoteRegex();
boolean inAddMenu = true;
while (inAddMenu) {
System.out.println("\n===
添加联系人菜单 ===");
System.out.println("***1
添加新记录**2查看全记录**3返回上一级***");
int choice = regex.menuRegex(1, 3);
switch (choice) {
case 1:
operate.add
Logic();
break;
case 2:
operate.showAll();
break;
case 3:
inAddMenu = false;
break;
}
}
}
private void searchMenu() {
operate.
searchLogic();
}
private void modifyMenu() {
operate.modify
Logic();
}
private void deleteMenu() {
operate.delete
Logic();
}
private void orderMenu() {
operate.order
Logic();
}
}
public class App {
public static void main(String[] args) {
Menu menu = new Menu();
menu.mainMenu();
}
}翻译
本文介绍了一种简化Rails应用中搜索表单的方法。通过修改form_for和remote_form_for方法，可以自动将搜索请求设置为GET方法，并调整参数作用域。这种方法提高了表单处理效率。
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