?? session_ex2.c
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#include <stdio.h>#include <string.h>#include <stdlib.h>#include <cgi.h>#include <session.h>int main(){ char *action; cgi_init(); cgi_process_form(); // session id will be stored in a cookie called "MY_COOKIE" cgi_session_cookie_name("MY_COOKIE"); // tell LibCGI to store session files into "session_files" directory cgi_session_save_path("session_files/"); // Starts the session cgi_session_start(); // What is to do?? action = cgi_param("action"); if (action) { // login if (!strcasecmp("login", action) && cgi_param("str")) cgi_session_register_var("str", cgi_param("str")); // logoff else if (!strcasecmp("logoff", action)) cgi_session_destroy(); } cgi_init_headers(); // write initial html code puts("<html><body>"); // includes the description for this example cgi_include("session_ex2_desc.html"); // The user is logged? if (cgi_session_var_exists("str")) { // yep, let's show him some things printf("" "<br><b>Congratulations, you've logged</b><br>" "If you want to finish the session, <a href='session_ex2.cgi?action=logoff'>click here</a>!" "<br><br>" "You pass phrase was <b>%s</b><br>" "", cgi_session_var("str")); } // Nope, he isn't else { puts("" "<form action='session_ex2.cgi' method='get'>" " Pass phrase: <input type='text' name='str'>" " <input type='submit' name='submit' value='Click to login'>" " <input type='hidden' name='action' value='login'>" "</form>" ""); } // Print session configuration directives printf("Session configuration options: <br>" "saving session files at: <b>%s</b> directory<br>" "name of the (personalized) cookie: <b>%s</b><br>", SESSION_SAVE_PATH, SESSION_COOKIE_NAME); puts("</body></thml>"); if (action) free(action); cgi_end(); return 0;}?? 快捷鍵說明
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