74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "bank.h"
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// 初始化日志队列
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void InitLogQueue() {
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g_logQueue.front = 0;
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g_logQueue.rear = 0;
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}
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// 检查队列是否满
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int IsLogQueueFull() {
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return (g_logQueue.rear + 1) % MAX_LOGS == g_logQueue.front;
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}
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// 检查队列是否空
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int IsLogQueueEmpty() {
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return g_logQueue.front == g_logQueue.rear;
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}
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// 获取当前时间字符串
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void GetCurrentTimeStr(char* buf) {
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time_t t = time(NULL);
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struct tm tm = *localtime(&t);
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sprintf(buf, "%04d-%02d-%02d %02d:%02d:%02d",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min, tm.tm_sec);
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}
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// 入队操作：记录交易
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// 参数: 账户ID, 类型("Deposit"/"Withdraw"), 交易金额, 交易后余额
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int EnqueueLog(int id, const char* type, double amt, double bal) {
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// 如果队列满，通过移动 front 指针覆盖最旧的日志 (环形队列特性)
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if (IsLogQueueFull()) {
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// 覆盖旧数据，队头自动出队
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g_logQueue.front = (g_logQueue.front + 1) % MAX_LOGS;
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}
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// 准备日志条目
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int pos = g_logQueue.rear;
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g_logQueue.logs[pos].account_id = id;
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strcpy(g_logQueue.logs[pos].type, type);
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g_logQueue.logs[pos].amount = amt;
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g_logQueue.logs[pos].balance = bal;
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GetCurrentTimeStr(g_logQueue.logs[pos].timestamp);
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strcpy(g_logQueue.logs[pos].location, "四川省 德阳市"); // 根据你的需求固定地点
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// 队尾指针后移
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g_logQueue.rear = (g_logQueue.rear + 1) % MAX_LOGS;
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return 1; // 成功
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}
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// 显示所有日志 (从队头到队尾)
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void ShowTransactionLogs() {
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if (IsLogQueueEmpty()) {
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printf("暂无交易日志记录。\n");
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return;
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}
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printf("\n=== 交易流水日志 ===\n");
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printf("%-5s %-8s %-10s %-10s %-15s %-20s\n", "ID", "操作", "金额", "余额", "时间", "地点");
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printf("--------------------------------------------------------------\n");
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int i = g_logQueue.front;
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while (i != g_logQueue.rear) {
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LogEntry e = g_logQueue.logs[i];
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printf("%-5d %-8s %-10.2f %-10.2f %-15s %-20s\n",
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e.account_id, e.type, e.amount, e.balance, e.timestamp, e.location);
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i = (i + 1) % MAX_LOGS;
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}
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}
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