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啓奏各位大神
為了實現 HTTP POST (因為幾乎沒有人再用 CGI 了嘛 .... )，所以小弟參考了這個文件 http://blog.csdn.net/pugu12/article/details/41943565 可是小弟初學軟件，明明照抄一個字都沒錯，卻編譯不出來，一堆錯誤，都急的哭出來了！ 口有大神願意出手相救？ 拜謝，付費求解我都願意！ err_t httpd_post_begin(void *connection, const char *uri, const char *http_request, u16_t http_request_len, int content_len, char *response_uri, u16_t response_uri_len, u8_t *post_auto_wnd) { #if LWIP_HTTPD_CGI int i = 0; #endif struct http_state *hs = (struct http_state *)connection; if(!uri || (uri[0] == ' ')) { return ERR_ARG; } hs->cgi_handler_index = -1; // 此变量为本人自己在struct http_state 添加 用于保存CGI handler 索引 为-1表示无CGI handler索引 hs->response_file = NULL; // 此变量为本人自己在struct http_state 添加 用于保存 CGI handler 处理完后返回的响应uri. #if LWIP_HTTPD_CGI if (g_iNumCGIs && g_pCGIs) { for (i = 0; i < g_iNumCGIs; i++) { if (strcmp(uri, g_pCGIs.pcCGIName) == 0) { hs->cgi_handler_index = i; // 找到响应的 CGI handler 将其保存在cgi_handler_index 以便在httpd_post_receive_data中使用 break; } } } if(i == g_iNumCGIs) { return ERR_ARG; // 未找到CGI handler } #endif return ERR_OK; } #define LWIP_HTTPD_POST_MAX_PAYLOAD_LEN 512 static char http_post_payload[LWIP_HTTPD_POST_MAX_PAYLOAD_LEN]; static u16_t http_post_payload_len = 0; err_t httpd_post_receive_data(void *connection, struct pbuf *p) { struct http_state *hs = (struct http_state *)connection; struct pbuf *q = p; int count; u32_t http_post_payload_full_flag = 0; while(q != NULL) // 缓存接收的数据至http_post_payload { if(http_post_payload_len + q->len <= LWIP_HTTPD_POST_MAX_PAYLOAD_LEN) { MEMCPY(http_post_payload+http_post_payload_len, q->payload, q->len); http_post_payload_len += q->len; } else { // 缓存溢出 置溢出标志位 http_post_payload_full_flag = 1; break; } q = q->next; } pbuf_free(p); // 释放pbuf if(http_post_payload_full_flag) // 缓存溢出 则丢弃数据 { http_post_payload_full_flag = 0; http_post_payload_len = 0; hs->cgi_handler_index = -1; hs->response_file = NULL; } else if(hs->post_content_len_left == 0) { // POST数据已经接收完毕 则处理 if(hs->cgi_handler_index != -1) { count = extract_uri_parameters(hs, http_post_payload); // 解析 hs->response_file = g_pCGIs[hs->cgi_handler_index].pfnCGIHandler(hs->cgi_handler_index, count, hs->params, hs->param_vals); // 调用解析函数 http_post_payload_len = 0; } else { hs->response_file = NULL; http_post_payload_len = 0; } } return ERR_OK; } void httpd_post_finished(void *connection, char *response_uri, u16_t response_uri_len) { struct http_state *hs = (struct http_state *)connection; if(hs->response_file != NULL) { strncpy(response_uri, hs->response_file,response_uri_len); // 拷贝uri 用于给浏览器响应相应的请求 } } ************************************************************************************** 錯誤訊息： *** Using Compiler 'V5.06 update 4 (build 422)', folder: 'C:Keil_v5ARMARMCCBin' Build target 'Target 1' compiling httpd.c... ..LWIPlwip_appweb_server_demohttpd.c(2243): error: #136: struct "http_state" has no field "cgi_handler_index" hs->cgi_handler_index = -1; // 森曹講峈掛ｳ赻撩婓struct http_state 氝樓 蚚衾悵湔CGI handler 坰竘 峈-1桶尨拸CGI handler坰竘 ..LWIPlwip_appweb_server_demohttpd.c(2244): error: #136: struct "http_state" has no field "response_file" hs->response_file = NULL; // 森曹講峈掛ｳ赻撩婓struct http_state 氝樓 蚚衾悵湔 CGI handler 揭燴俇綴殿隙腔砒茼uri. ..LWIPlwip_appweb_server_demohttpd.c(2251): error: #136: struct "http_state" has no field "cgi_handler_index" hs->cgi_handler_index = i; // 梑善砒茼腔 CGI handler 蔚［悵湔婓cgi_handler_index 眕晞婓httpd_post_receive_data笢妏蚚 ..LWIPlwip_appweb_server_demohttpd.c(2291): error: #136: struct "http_state" has no field "cgi_handler_index" hs->cgi_handler_index = -1; ..LWIPlwip_appweb_server_demohttpd.c(2292): error: #136: struct "http_state" has no field "response_file" hs->response_file = NULL; ..LWIPlwip_appweb_server_demohttpd.c(2295): error: #136: struct "http_state" has no field "cgi_handler_index" if(hs->cgi_handler_index != -1) { ..LWIPlwip_appweb_server_demohttpd.c(2297): error: #136: struct "http_state" has no field "response_file" hs->response_file = g_pCGIs[hs->cgi_handler_index].pfnCGIHandler(hs->cgi_handler_index, count, hs->params, ..LWIPlwip_appweb_server_demohttpd.c(2297): error: #136: struct "http_state" has no field "cgi_handler_index" hs->response_file = g_pCGIs[hs->cgi_handler_index].pfnCGIHandler(hs->cgi_handler_index, count, hs->params, ..LWIPlwip_appweb_server_demohttpd.c(2297): error: #136: struct "http_state" has no field "cgi_handler_index" hs->response_file = g_pCGIs[hs->cgi_handler_index].pfnCGIHandler(hs->cgi_handler_index, count, hs->params, ..LWIPlwip_appweb_server_demohttpd.c(2302): error: #136: struct "http_state" has no field "response_file" hs->response_file = NULL; ..LWIPlwip_appweb_server_demohttpd.c(2312): error: #136: struct "http_state" has no field "response_file" if(hs->response_file != NULL) { ..LWIPlwip_appweb_server_demohttpd.c(2313): error: #136: struct "http_state" has no field "response_file" strncpy(response_uri, hs->response_file,response_uri_len); // 蕭探uri 蚚衾跤銡擬け砒茼眈茼腔ワ*** ..LWIPlwip_appweb_server_demohttpd.c: 0 warnings, 12 errors compiling httpd_cgi_ssi.c... compiling main.c... "..OBJTemplate.axf" - 12 Error(s), 0 Warning(s). Target not created. Build Time Elapsed: 00:00:01 
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3个回答
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同样的问题，帮顶
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hs->cgi_handler_index = -1; // 此变量为本人自己在struct http_state 添加 用于保存CGI handler 索引 为-1表示无CGI handler索引
hs->response_file = NULL; // 此变量为本人自己在struct http_state 添加 用于保存 CGI handler 处理完后返回的响应uri. 这两句话，你去 http_state 结构体定义的地方加上 response_file 和 cgi_handler_index 的定义试试 |
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