444 lines
11 KiB
C++
444 lines
11 KiB
C++
#include <iostream>
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#include "AddList.h"
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#include "Hash.h"
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#include "ArrayHash.h"
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using namespace std;
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typedef enum {Phone, Name} HashType;
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HashType hash_type;
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HashTable hash_table;
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bool PutRecord(HashTable &hash_tabe, const char *key, AddList add, AddList &old_add, unsigned int (*Hash)(const char *key, int table_size) = ShiftHash) {
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return Put(hash_tabe, key, add, old_add, Hash);
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}
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bool GetRecord(HashTable &hash_table, const char *key, AddList &add, unsigned int (*Hash)(const char *key, int table_size) = ShiftHash) {
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return Get(hash_table, key, add, Hash);
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}
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bool RemoveRecord(HashTable &hash_table, const char *key, AddList &add, unsigned int (*Hash)(const char *key, int table_size) = ShiftHash) {
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return Remove(hash_table, key, add, Hash);
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}
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void PrintLine() {
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cout << "----------------------------------------------------" << endl;
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}
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void ClearTerminal() {
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system("clear");
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}
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void PrintRecord(AddList add) {
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cout << "---------------------------------------" << endl;
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cout << "电话：" << add.phone_num << endl;
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cout << "姓名：" << add.name << endl;
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cout << "地址：" << add.address << endl;
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cout << "---------------------------------------" << endl;
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}
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void AddRecordForm() {
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ClearTerminal();
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cout << "\n添加通讯录\n" << endl;
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char phone_num[MAXPHONENUM];
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char name[MAXNAME];
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char address[MAXADDRESS];
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char right[10];
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cout << "\n电话号码：";
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cin >> phone_num;
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cout << "\n姓名：";
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cin >> name;
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cout << "\n通讯住址：";
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cin >> address;
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cout << "\n是否添加(Y 或 N)：";
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cin >> right;
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if (right[0] == 'Y' || right[0] == 'y') {
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AddList add(phone_num, name, address);
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AddList old_add;
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if (hash_type == Phone)
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PutRecord(hash_table, add.phone_num, add, old_add);
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else
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PutRecord(hash_table, add.name, add, old_add);
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cout << "\n已添加新记录：\n" << endl;
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PrintRecord(add);
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char continue_add[10];
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cout << "\n是否继续添加(Y 或 N)：";
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cin >> continue_add;
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if (continue_add[0] == 'Y' || continue_add[0] == 'y')
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AddRecordForm();
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else
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MainForm();
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} else
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MainForm();
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}
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void QueryRecordForm() {
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ClearTerminal();
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cout << "\n查询通讯录\n" << endl;
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cout << "1) 搜索电话\n" << endl;
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cout << "2) 搜索姓名\n" << endl;
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cout << "q) 返回\n" << endl;
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cout << "\n> ";
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char choose[10];
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cin >> choose;
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if (choose[0] == '1')
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QueryRecordByPhoneNum();
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else if (choose[0] == '2')
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QueryRecordByName();
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else
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MainForm();
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}
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char g_phone[MAXNAME];
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bool has_phone = false;
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void TraverseFindPhone(AddList add) {
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if (!strcmp(g_phone, add.phone_num)) {
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PrintRecord(add);
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has_phone = true;
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}
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}
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void QueryRecordByPhoneNum() {
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ClearTerminal();
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cout << "\n输入电话号码查询记录\n" << endl;
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char phone_num[MAXPHONENUM];
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AddList add;
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cout << "电话号码：";
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cin >> phone_num;
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if (hash_type == Phone) {
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if (GetRecord(hash_table, phone_num, add)) {
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cout << endl;
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PrintRecord(add);
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cout << endl;
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} else {
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cout << "\n该电话不存在\n" << endl;
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}
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} else {
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strcpy(g_phone, phone_num);
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TraverseHashTable(hash_table, TraverseFindPhone);
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if (!has_phone)
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cout << "\n该电话不存在\n" << endl;
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}
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char choose[10];
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cout << "是否继续查询(Y 或 N)：";
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cin >> choose;
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if (choose[0] == 'Y' || choose[0] == 'y')
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QueryRecordByPhoneNum();
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else
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QueryRecordForm();
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}
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char g_name[MAXNAME];
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bool has_name = false;
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void TraverseFindName(AddList add) {
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if (!strcmp(g_name, add.name)) {
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PrintRecord(add);
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has_name = true;
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}
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}
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void QueryRecordByName()
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{
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ClearTerminal();
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cout << "\n输入姓名查询记录\n" << endl;
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char name[MAXPHONENUM];
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AddList add;
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cout << "姓名：";
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cin >> name;
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if (hash_type == Name) {
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if (GetRecord(hash_table, name, add)) {
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cout << endl;
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PrintRecord(add);
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cout << endl;
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} else {
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cout << "\n该姓名不存在\n" << endl;
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}
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} else {
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strcpy(g_name, name);
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TraverseHashTable(hash_table, TraverseFindName);
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if (!has_name)
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cout << "\n该姓名不存在\n" << endl;
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}
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char choose[10];
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cout << "是否继续查询(Y 或 N)：";
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cin >> choose;
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if (choose[0] == 'Y' || choose[0] == 'y')
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QueryRecordByName();
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else
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QueryRecordForm();
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}
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void VisitRecord(AddList add) {
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printf(" %-15s%-20s%-30s\n", add.phone_num, add.name, add.address);
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}
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void DisplayAllRecord() {
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ClearTerminal();
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PrintLine();
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printf(" %-15s %-20s%-30s\n\n", "电话号码", "姓名", "通讯地址");
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TraverseHashTable(hash_table, VisitRecord);
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PrintLine();
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cout << "\n\n按任意键返回..." << endl;
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getchar();
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getchar();
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MainForm();
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}
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void ImportRecordsFromFile() {
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ClearTerminal();
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FILE* file = fopen("./records.txt", "r");
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if (file) {
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while (!feof(file)) {
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AddList record, old_record;
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fscanf(file, "%s%s%s", record.phone_num, record.name, record.address);
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if (hash_type == Phone)
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PutRecord(hash_table, record.phone_num, record, old_record);
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else
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PutRecord(hash_table, record.name, record, old_record);
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}
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cout << "\n导入成功" << endl;
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fclose(file);
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} else {
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cout << "\n导入失败..." << endl;
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}
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cout << "\n\n按任意键返回..." << endl;
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getchar();
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getchar();
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MainForm();
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}
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void GenerateRandomRecords(int total_num, AddList Records[]) {
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const char char_set[] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
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'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2',
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'3', '4', '5', '6', '7', '8', '9', '\0'};
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int char_set_len = strlen(char_set);
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srand(time(NULL));
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for (int i = 0; i < total_num; i++) {
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char key[MAXKEYLEN] = {'\0'};
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int len = rand() % MAX_RANDOM_STR_SIZE + 1;
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for (int i = 0; i < len; i++) {
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int ci = rand() % char_set_len;
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key[i] = char_set[ci];
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}
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AddList add(key, key, key);
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Records[i] = add;
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}
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}
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void HashFuncCompare() {
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ClearTerminal();
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cout << "\n不同哈希函数性能对比\n" << endl;
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int total_num;
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double sum_asl = 0, shift_asl = 0, elf_asl = 0;
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double sum_size = 0, shift_size = 0, elf_size = 0;
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cout << "输入随机生成数据个数：";
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cin >> total_num;
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if (total_num <= 0)
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total_num = 100;
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AddList *Records = new AddList[total_num], old_add;
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GenerateRandomRecords(total_num, Records);
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HashTable sum_hash, shift_hash, elf_hash;
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InitHashTable(sum_hash, 32);
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InitHashTable(shift_hash, 32);
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InitHashTable(elf_hash, 32);
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for (int i = 0; i < total_num; i++) {
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Put(sum_hash, Records[i].phone_num, Records[i], old_add, SumHash);
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Put(shift_hash, Records[i].phone_num, Records[i], old_add, ShiftHash);
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Put(elf_hash, Records[i].phone_num, Records[i], old_add, ELFHash);
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}
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sum_size = sum_hash.size;
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shift_size = shift_hash.size;
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elf_size = elf_hash.size;
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sum_asl = GetASL(sum_hash, SumHash);
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shift_asl = GetASL(shift_hash, ShiftHash);
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elf_asl = GetASL(elf_hash, ELFHash);
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DelHashTable(sum_hash);
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DelHashTable(shift_hash);
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DelHashTable(elf_hash);
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cout << "\n统计结果：\n" << endl;
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PrintLine();
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printf("%10s\t%10s\t%10s\n", "Hash Fun", "Size", "ASL");
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PrintLine();
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printf("%10s\t%10.2f\t%10.2f\n", "SumHash", sum_size, sum_asl);
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printf("%10s\t%10.2f\t%10.2f\n", "ShiftHash", shift_size, shift_asl);
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printf("%10s\t%10.2f\t%10.2f\n", "ELFHash", elf_size, elf_asl);
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PrintLine();
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cout << "\n\n按任意键返回..." << endl;
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getchar();
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getchar();
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MainForm();
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}
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void ConflictMethodCompare() {
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ClearTerminal();
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cout << "\n不同哈希函数性能对比\n" << endl;
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int total_num;
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double list_asl = 0, array_asl = 0;
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double list_size = 0, array_size = 0;
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cout << "输入随机生成数据个数：";
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cin >> total_num;
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if (total_num <= 0)
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total_num = 100;
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AddList *Records = new AddList[total_num], old_add;
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GenerateRandomRecords(total_num, Records);
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HashTable list_hash;
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ArrayHashTable array_hash;
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InitHashTable(list_hash, 32);
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InitArrayHashTable(array_hash, total_num);
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for (int i = 0; i < total_num; i++) {
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Put(list_hash, Records[i].phone_num, Records[i], old_add, ShiftHash);
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LinearPut(array_hash, Records[i].phone_num, Records[i], old_add);
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}
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list_size = list_hash.size;
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array_size = array_hash.size;
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list_asl = GetASL(list_hash, ShiftHash);
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int sum = 0;
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for (int i = 0; i < total_num; i++) {
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int num;
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AddList add;
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LinearGetNum(array_hash, Records[i].phone_num, add, num);
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sum += num;
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}
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array_asl = 1.0*sum / total_num;
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DelHashTable(list_hash);
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DelArrayHashTable(array_hash);
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cout << "\n统计结果：\n" << endl;
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PrintLine();
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printf("%10s\t%10s\t%10s\n", "Conflict Method", "Size", "ASL");
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PrintLine();
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printf("%10s\t%10.2f\t%10.2f\n", "List Hash", list_size, list_asl);
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printf("%10s\t%10.2f\t%10.2f\n", "Linear Hash", array_size, array_asl);
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PrintLine();
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cout << "\n\n按任意键返回..." << endl;
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getchar();
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getchar();
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MainForm();
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}
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void MainForm() {
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ClearTerminal();
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PrintLine();
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cout << "\n\n1) 添加通讯录\n" << endl;
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cout << "2) 查询通讯录\n" << endl;
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cout << "3) 查看全部通讯录\n" << endl;
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cout << "4) 批量导入通讯录\n" << endl;
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cout << "5) 不同哈希函数比较\n" << endl;
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cout << "6) 不同冲突解决方法比较\n" << endl;
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cout << "q) 退出\n\n" << endl;
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PrintLine();
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cout << "\n> ";
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char op[10];
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cin >> op;
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if (op[0] == '1')
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AddRecordForm();
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else if (op[0] == '2')
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QueryRecordForm();
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else if (op[0] == '3')
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DisplayAllRecord();
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else if (op[0] == '4')
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ImportRecordsFromFile();
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else if (op[0] == '5')
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HashFuncCompare();
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else if (op[0] == '6')
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ConflictMethodCompare();
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else
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return;
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}
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void ChooseHashType() {
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ClearTerminal();
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PrintLine();
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cout << "\n\n选择建立哈希索引类型\n" << endl;
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cout << "1) 以 电话号码 建立\n" << endl;
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cout << "2) 以 姓名 建立\n" << endl;
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cout << "q) 退出\n\n" << endl;
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PrintLine();
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cout << "\n> ";
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char op[10];
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cin >> op;
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if (op[0] == '1')
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hash_type = Phone;
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else if (op[0] == '2')
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hash_type = Name;
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else
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return;
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InitHashTable(hash_table, 30);
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MainForm();
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}
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void WelcomeForm() {
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ClearTerminal();
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PrintLine();
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cout << "\n\n 哈希电话号码查找系统 \n\n";
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cout << " 高天 \n\n";
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cout << " 软件1601 \n\n";
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cout << " 201616030213 \n\n";
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PrintLine();
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getchar();
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ChooseHashType();
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}
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int main()
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{
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WelcomeForm();
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return 0;
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}
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