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你这个CIPSNTPTIME返回的时间字符串格式本质上就是ctime()风格例如Wed Feb 4 10:14:03 2026其中周固定是 3 字母英文缩写月固定是 3 字母英文缩写下面把“周 / 月”的枚举以及字符串表给你整理好顺便附一个最常用的解析/映射写法。

周Weekday枚举 字符串周的缩写一共 7 个从周日开始Sun, Mon, Tue, Wed, Thu, Fri, Sat常见做法对齐struct tm.tm_wday习惯0Suntypedef enum { WEEK_SUN 0, WEEK_MON, WEEK_TUE, WEEK_WED, WEEK_THU, WEEK_FRI, WEEK_SAT, WEEK_INVALID 0xFF } weekday_t; static const char* const WEEK_STR[7] { Sun, Mon, Tue, Wed, Thu, Fri, Sat };月Month枚举 字符串月的缩写一共 12 个Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec常见做法对齐struct tm.tm_mon习惯0Jantypedef enum { MON_JAN 0, MON_FEB, MON_MAR, MON_APR, MON_MAY, MON_JUN, MON_JUL, MON_AUG, MON_SEP, MON_OCT, MON_NOV, MON_DEC, MON_INVALID 0xFF } month_t; static const char* const MONTH_STR[12] { Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec };字符串 → 枚举/数字 映射函数推荐直接用#include string.h #include stdint.h static weekday_t weekday_from_str(const char *w) { for (int i 0; i 7; i) { if (strcmp(w, WEEK_STR[i])

return (weekday_t)i; } return WEEK_INVALID; } static month_t month_from_str(const char *m) { for (int i 0; i 12; i) { if (strcmp(m, MONTH_STR[i])

return (month_t)i; } return MON_INVALID; }从Wed Feb 4 10:14:03 2026解析出周/月示例注意日期前可能有双空格Feb␠␠4%d能正确处理#include stdio.h typedef struct { weekday_t wday; //

.6, Sun..Sat month_t mon; //

.11, Jan..Dec int day; //

.31 int hour, min, sec; int year; // e.g. 2026 } ntp_time_t; int parse_cipsntptime(const char *s, ntp_time_t *out) { char w[4] {0}, m[4] {0}; int day, hh, mm, ss, yy; // 只解析形如: Wed Feb 4 10:14:03 2026 if (sscanf(s, %3s %3s %d %d:%d:%d %d, w, m, day, hh, mm, ss, yy) !

{ return -1; } out-wday weekday_from_str(w); out-mon month_from_str(m); out-day day; out-hour hh; out-min mm; out-sec ss; out-year yy; if (out-wday WEEK_INVALID || out-mon MON_INVALID) return -2; return 0; }

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