PHP 根据查询MYSQL获得结果的列数和行数示例

对PHP MYSQL – 根据查询获得结果的列数和行数感兴趣的小伙伴，下面一起跟随编程之家 jb51.cc的小编两巴掌来看看吧！
mysql_num_fields用于获得查询结果的列数，如果执行成功返回列数，执行失败，返回boolean值

/**
 * PHP MYSQL – 根据查询获得结果的列数和行数
 *
 * @param 
 * @arrange 512-笔记网： jb51.cc
 **/
<?php
$UserName = 'abc';
$Password = '1234';
$DbHandle = mysql_connect ('localhost',$UserName,$Password);
if (!$DbHandle) {
  die 'No database connection could be established.';
}
$DBName = 'w3db;
if (!mysql_select_db ($DBName,$DbHandle)) {
  die 'Database could not be selected.';
}
$Query = SELECT ISBN,Title,Author FROM articles;
$articles = mysql_query ($Query,$DbHandle));
$RowCount = mysql_num_rows ($articles);
$FieldCount = mysql_num_fields ($articles);
$I = 0;
while ($I < $RowCount) {
  $Row = mysql_fetch_assoc ($articles);
  echo Row $I<br />\n;
  $J = 0;
  while ($J < $FieldCount) {
	echo $Row[$J]<br />\n;
	++$J;
  }
  ++$I;
}
mysql_close ($DbHandle);
?>
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