function query($sql) {
$this->sql = $sql;
$result = mysql_query($sql,$this->conn)または die(mysql_error());
if (!$result) {
$this->show("错误SQL语句",$sql);
} else {
$this- >result = $result;
}
}
function select($table, $columnName = "*", $condition = '') {
$condition = $condition ? ' どこ ' 。 $condition : NULL;
$this->query("SELECT $columnName FROM $table $condition");
}
function fetch_array() {
if(!mysql_fetch_array($this- >result)){
$this->show("错误执行");
}else{
return mysql_fetch_array($this->result);
}
}
-----解决方案---------
PHP コード
関数 fetch_array() {
if(! $this->result){
$this->show("错误行");
}それ以外{
return mysql_fetch_array($this->$result);
<div class="clear"></div>
ログイン後にコピー