{"id":62,"date":"2013-12-14T14:41:14","date_gmt":"2013-12-14T14:41:14","guid":{"rendered":""},"modified":"2013-12-14T14:41:14","modified_gmt":"2013-12-14T14:41:14","slug":"","status":"publish","type":"post","link":"http:\/\/weizn.net\/?p=62","title":{"rendered":"MSSQL_Connector"},"content":{"rendered":"
#include <stdio.h>\r\n#include <string.h>\r\n#include <windows.h>\r\n#include <conio.h>\r\n#include <sql.h>\r\n#include <sqlext.h>\r\n#include <sqltypes.h>\r\n#include <odbcss.h>\r\n\r\n#define MAXBUFLEN 255\r\n\r\nSQLHENV henv = SQL_NULL_HENV;\r\nSQLHDBC hdbc = SQL_NULL_HDBC;\r\nSQLHSTMT hstmt = SQL_NULL_HSTMT;\r\n\r\nint Connect_SQLServer()\r\n{\r\n    RETCODE retcode;\r\n \r\n    SQLCHAR ConnStrIn[MAXBUFLEN]=\"DRIVER={SQL Server};SERVER=127.0.0.1;UID=wayne;PWD=305859616;DATABASE=master;\";\r\n    \/\/1.\u8fde\u63a5\u6570\u636e\u6e90\r\n    \/\/1.\u73af\u5883\u53e5\u67c4\r\n    retcode=SQLAllocHandle(SQL_HANDLE_ENV,SQL_NULL_HANDLE ,&henv);\r\n    retcode=SQLSetEnvAttr(henv,SQL_ATTR_ODBC_VERSION,(SQLPOINTER)SQL_OV_ODBC3,SQL_IS_INTEGER);\r\n    \/\/2.\u8fde\u63a5\u53e5\u67c4\r\n    retcode=SQLAllocHandle(SQL_HANDLE_DBC,henv,&hdbc);\r\n    retcode=SQLDriverConnect(hdbc,NULL,ConnStrIn,SQL_NTS,NULL,NULL,NULL,SQL_DRIVER_NOPROMPT);\r\n    \/\/\u5224\u65ad\u8fde\u63a5\u662f\u5426\u6210\u529f\r\n    if((retcode!=SQL_SUCCESS)&&(retcode!=SQL_SUCCESS_WITH_INFO))\r\n        return 0;\r\n return 1;\r\n}\r\n\r\nint ChangeDB(char *DBN)\r\n{\r\n RETCODE retcode;\r\n SQLHSTMT  hstmt;\r\n char SQL_CMD[100];\r\n \r\n memset(SQL_CMD,NULL,sizeof(SQL_CMD));\r\n    sprintf(SQL_CMD,\"use %s;\",DBN);\r\n retcode= SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt);\r\n if(retcode!=SQL_SUCCESS && retcode!=SQL_SUCCESS_WITH_INFO)\r\n  return 0;\r\n SQLFreeStmt(hstmt,SQL_CLOSE);\r\n retcode=SQLExecDirect(hstmt,(unsigned char *)SQL_CMD,SQL_NTS);\r\n if(retcode!=SQL_SUCCESS && retcode!=SQL_SUCCESS_WITH_INFO)\r\n  return 0;\r\n \r\n return 1;\r\n}\r\n\r\nint QueryDB(SQLHSTMT *hstmt,char *SQL_CMD)\r\n{\r\n RETCODE retcode;\r\n \r\n\r\n retcode= SQLAllocHandle(SQL_HANDLE_STMT, hdbc, hstmt);\r\n if(retcode!=SQL_SUCCESS && retcode!=SQL_SUCCESS_WITH_INFO)\r\n  return 0;\r\n SQLFreeStmt(*hstmt,SQL_CLOSE);\r\n retcode=SQLExecDirect(*hstmt,(unsigned char *)SQL_CMD,SQL_NTS);\r\n if(retcode!=SQL_SUCCESS && retcode!=SQL_SUCCESS_WITH_INFO)\r\n  return 0;\r\n \r\n return 1;\r\n}\r\n\r\nint show_results(SQLHSTMT hstmt)\r\n{\r\n RETCODE retcode;\r\n SQLINTEGER RowCount;\r\n char data[100];\r\n    SQLCHAR   buff[50];\r\n    SQLINTEGER  len;\r\n int flag=0;\r\n\r\n    retcode=SQLRowCount(hstmt,&RowCount);\r\n if(retcode!=SQL_SUCCESS && retcode!=SQL_SUCCESS_WITH_INFO)\r\n  return 0;\r\n\r\n while(1)\r\n {\r\n  memset(data, 0, sizeof(data));\r\n  retcode = SQLFetch(hstmt);\r\n  if (retcode==SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)\r\n  {\r\n   memset(buff,NULL,sizeof(buff));\r\n   SQLGetData(hstmt,(UWORD)2,SQL_C_CHAR,buff,sizeof(buff)-1, &len);  \/\/\u7b2c\u4e8c\u4e2a\u53c2\u6570\u8868\u793a\u5217\r\n\r\n\/\/    if(!strncmp((char *)buff,\"3\",1) || !strncmp((char *)buff,\"2\",1) \\\r\n\/\/     || !strncmp((char *)buff,\"1\",1))\r\n\/\/     flag=1;\r\n\/\/    else\r\n\/\/     flag=0;\r\n   strcat(data,(char *)buff);\r\n\r\n   strcat(data, \"\\t\");\r\n   memset(buff,NULL,sizeof(buff));\r\n   SQLGetData(hstmt,(UWORD)3,SQL_C_CHAR,buff,sizeof(buff)-1,&len);\r\n   strcat(data,(char *)buff);\r\n\r\n   strcat(data, \"\\t\");\r\n   memset(buff,NULL,sizeof(buff));\r\n   SQLGetData(hstmt,(UWORD)4,SQL_C_CHAR,buff,sizeof(buff)-1,&len);\r\n\/\/    if(!strcmp((char *)buff,\"17\") && flag==1)\r\n\/\/     flag=1;\r\n\/\/    else\r\n\/\/     flag=0;\r\n   strcat(data,(char *)buff);\r\n\r\n   strcat(data, \"\\t\");\r\n   memset(buff,NULL,sizeof(buff));\r\n   SQLGetData(hstmt,(UWORD)5,SQL_C_CHAR,buff,sizeof(buff)-1,&len);\r\n   if(!strcmp((char *)buff,\"0\"))\r\n       strcat(data,\"\u7537\");\r\n   else\r\n    strcat(data,\"\u5973\");\r\n\r\n   strcat(data, \"\\t\");\r\n   memset(buff,NULL,sizeof(buff));\r\n   SQLGetData(hstmt,(UWORD)7,SQL_C_CHAR,buff,sizeof(buff)-1,&len);\r\n   strcat(data,(char *)buff);\r\n  }\r\n  else\r\n   return 1;\r\n\/\/  if(flag)\r\n      printf(\"%s\\n\",data);\r\n }\r\n}\r\n\r\nint main()\r\n{\r\n    SQLHSTMT hstmt;\r\n    char buff[100];\r\n    char query[100];\r\n char choose[10];\r\n int tmp;\r\n    int i,j;\r\n \r\n    system(\"color a\");\r\n    if(!Connect_SQLServer())\r\n    {\r\n        printf(\"\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25\\n\");\r\n        getch();\r\n        return -1;\r\n    }\r\n    printf(\"\u6570\u636e\u5e93\u8fde\u63a5\u6210\u529f\\n\");\r\n printf(\"\u8bf7\u8f93\u5165\u68c0\u7d22\u65b9\u5f0f:\\n1.QQ\u53f7\\t2.\u59d3\u540d\\t3.\u7fa4\u53f7\\n\");\r\n fflush(stdin);\r\n if(scanf(\"%d\",&tmp)!=1) return -1;\r\n memset(choose,NULL,sizeof(choose));\r\n switch (tmp)\r\n {\r\n case 1:\r\n  strcat(choose,\"QQNum\");\r\n  break;\r\n case 2:\r\n  strcat(choose,\"Nick\");\r\n  break;\r\n case 3:\r\n  strcat(choose,\"QunNum\");\r\n  break;\r\n default:\r\n  return -1;\r\n }\r\n\r\n \r\n    printf(\"\u8bf7\u8f93\u5165\u8981\u67e5\u8be2\u7684\u5185\u5bb9:\");\r\n    memset(query,NULL,sizeof(query));\r\n    fflush(stdin);\r\n    gets(query);\r\n \r\n printf(\"QQNum\\t\\tName\\tAge\\tSex\\tQunNum\\n\");\r\n    for(i=1,j=1; i<=11; i++)\r\n    {\r\n  \/\/printf(\"\u6b63\u5728\u67e5\u8be2\u7b2c%d\u4e2a\u6570\u636e\u5e93\u3002\\n\",i);\r\n        memset(buff,NULL,sizeof(buff));\r\n        sprintf(buff,\"GroupData%d\",i);\r\n        if(!ChangeDB(buff))\r\n            break;\r\n        for(;; j++)\r\n        {\r\n   \/\/printf(\"\u6b63\u5728\u67e5\u8be2\u7b2c%d\u4e2a\u8868\u3002\\n\",j);\r\n   memset(buff,NULL,sizeof(buff));\r\n   sprintf(buff,\"select * from Group%d where %s like '%%%s%%';\",j,choose,query);\r\n            if(!QueryDB(&hstmt,buff))\r\n    break;\r\n   \r\n            show_results(hstmt);\r\n        }\r\n    }\r\n printf(\"\u67e5\u8be2\u5b8c\u6210\u3002\\n\");\r\n system(\"pause\");\r\n \r\n    return 0;\r\n}<\/pre>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
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\n#include <string.h>
\n#include <windows.h>
\n#include <conio.h>
\n#include <sql.h>
\n#include <sqlext.h>
\n#include <sqltypes.h>
\n#include <…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[324],"tags":[],"class_list":["post-62","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"\nMSSQL_Connector - Wayne's Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/weizn.net\/?p=62\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MSSQL_Connector - Wayne's Blog\" \/>\n<meta property=\"og:description\" content=\"#include <stdio.h> #include <string.h> #include <windows.h> #include <conio.h> #include <sql.h> #include <sqlext.h> #include <sqltypes.h> #include <...\" \/>\n<meta property=\"og:url\" content=\"http:\/\/weizn.net\/?p=62\" \/>\n<meta property=\"og:site_name\" content=\"Wayne's Blog\" \/>\n<meta property=\"article:published_time\" content=\"2013-12-14T14:41:14+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"zinan\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"http:\/\/weizn.net\/#website\",\"url\":\"http:\/\/weizn.net\/\",\"name\":\"Wayne's Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/weizn.net\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/weizn.net\/?p=62#webpage\",\"url\":\"http:\/\/weizn.net\/?p=62\",\"name\":\"MSSQL_Connector - 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