mysql_options(mysql, MYSQL_OPT_RECONNECT, &reconnect); mysql_options(mysql, MYSQL_SET_CHARSET_NAME, "gbk"); 3.mysql_query int mysql_query(MYSQL *mysql, const char *query) mysql_affected_rows mysql_store_result mysql_num_fields mysql_num_rows mysql_fetch_field mysql_fetch_row mysql_free_r...
5.4.19 mysql_fetch_fields() MYSQL_FIELD*mysql_fetch_fields(MYSQL_RES*result) Description Returns an array of allMYSQL_FIELDstructures for a result set. Each structure provides the field definition for one column of the result set. Return Values ...
9.mysql_num_fields() 1 unsigned int mysql_num_fields(MYSQL_RES *result); 返回值:结果集的列数。 10.mysql_fetch_row() 1 MYSQL_ROW mysql_fetch_row(MYSQL_RES *result) ; 描述: 检索结果集的下一行。在mysql_store_result()之后使用时,如果没有要检索的行,mysql_fetch_row()返回NULL。在mysql...
mysql_fetch_field()Type of the next table field mysql_fetch_field_direct()Table field type for given field number mysql_fetch_fields()Return array of all field structures mysql_fetch_lengths()Return lengths of all columns in current row ...
mysql_fetch_row 获得结果集中的域的属性: MYSQL_FIELD *mysql_fetch_field(MYSQL_RES *result) 获得域属性数组: MYSQL_FIELD *mysql_fetch_fields(MYSQL_RES *result) 查询被update、delete、insert等受影响的行: my_ulonglong mysql_affected_rows(MYSQL *mysql) ...
store_result()得到的返回值//MYSQL_FIELD对应的是一个结构体MYSQL_FIELD*fields=mysql_fetch_fields(...
cols = mysql_num_fields(res); MYSQL_ROW row;while( row = mysql_fetch_row(res) ) {for(inti =0; i < cols; i++ ) {if(row[i] !=NULL) {// To display correctly. use chcp 65001.SetConsoleOutputCP(65001);size_tnSize =strlen(row[i]);char*pC = (char*)malloc(sizeof(char) * n...
Dev-C++连接mysql数据库 01-前期准备 1、下载并安装好 MySQL 2、确保 MySQL 服务正常运行,且能通过如下命令启动MySQL: mysql -h localhost -uroot -p 3、知道 MySQL 安装位置,比如: C:\Program Files\MySQL\MySQL Server 8.0 1. 2. 3. 4. 5. ...
= NULL) { //printf("num=%d\n",mysql_num_fields(res));//列数 for (t = 0; t < mysql_num_fields(res); t++) printf("%8s ", row[t]); printf("\n"); } } mysql_free_result(res); } mysql_close(conn); //断开数据库 system("pause"); return 0; } 运行结果 进行CRUD操作...
MYSQL_ROW row;//设置行结果容器 while(row = mysql_fetch_row(res)){//获取行结果 for(int t = 0;t < mysql_num_fields(res);t++)//将行结果分列输出 printf("%s\t", row[t]); printf("\n"); } mysql_free_result(res);//释放结果集 ...