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增加sql_update,sql_update_by_post

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This commit is contained in:
hyzboy 2016-09-08 22:24:58 +04:00
parent 9674473d85
commit cc54b3bc06
1 changed files with 66 additions and 16 deletions
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82
tools_sql.php
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@ -25,7 +25,7 @@
// class SQLSelect
// {
// private $field_list=null;
// private $field_array=null;
//
// private $where=null;
// private $limit_start=0;
@ -40,7 +40,7 @@
// private $table_name=null;
// private $insert_id=0;
//
// private $field_list=null;
// private $field_array=null;
//
// public function __construct($s,$tn)
// {
@ -50,8 +50,8 @@
//
// public function get_field_list()
// {
// if($field_list)
// return $field_list;
// if($field_array)
// return $field_array;
//
// $sql_result=$this->sql->query("DESC ".$this->table_name);
//
@ -93,18 +93,18 @@
if(!$sql_result)
return null;
$field_list=array();
$field_array=array();
while ($row = $sql_result->fetch_object())
$field_list[] = $row->Field;
$field_array[] = $row->Field;
return $field_list;
return $field_array;
}
function select_table()//$sql,$table_name,$field_list,$where,$start,$count)
function select_table()//$sql,$table_name,$field_array,$where,$start,$count)
{
$sql =func_get_arg(0);
$table_name =func_get_arg(1);
$field_list =func_get_arg(2);
$field_array =func_get_arg(2);
if(func_num_args()>3)$where=func_get_arg(3);else $where=null;
if(func_num_args()>4)
@ -122,17 +122,17 @@
$sql_string="SELECT";
if($field_list==null)
if($field_array==null)
{
$sql_string=$sql_string." * FROM ".$table_name;
}
else
{
for($i=0;$i<count($field_list);$i++)
for($i=0;$i<count($field_array);$i++)
if($i==0)
$sql_string=$sql_string.' '.$field_list[$i];
$sql_string=$sql_string.' '.$field_array[$i];
else
$sql_string=$sql_string.','.$field_list[$i];
$sql_string=$sql_string.','.$field_array[$i];
$sql_string=$sql_string." FROM ".$table_name;
}
@ -152,11 +152,11 @@
return null;
}
function select_table_to_array()//$sql,$table_name,$field_list,$where,$start,$count)
function select_table_to_array()//$sql,$table_name,$field_array,$where,$start,$count)
{
$sql =func_get_arg(0);
$table_name =func_get_arg(1);
$field_list =func_get_arg(2);
$field_array =func_get_arg(2);
if(func_num_args()>3)$where=func_get_arg(3);
if(func_num_args()>4)
@ -170,7 +170,7 @@
$count=0;
}
$sql_result=select_table($sql,$table_name,$field_list,$where,$start,$count);
$sql_result=select_table($sql,$table_name,$field_array,$where,$start,$count);
if(!$sql_result)return(null);
@ -273,4 +273,54 @@
return sql_insert($sql,$table_name,$data_array,$resultmode);
}
function sql_update($sql,$table_name,$where,$field_array)
{
if(!$sql)return null;
if(!$where||strlen($where)<3)return null;
if(!$field_array||!is_array($field_array)||count($field_array)<=0)return null;
$sql_string='UPDATE '.$table_name.' SET ';
$first_field=true;
foreach($field_array as $field=>$value)
{
if(!$first_field)
$sql_string.=',';
else
$first_field=false;
$sql_string.=$field.'="'.$value.'"';
}
$sql_string.=" WHERE ".$where;
// echo 'SQL Update SQLString: '.$sql_string.'<br/>';
$sql_result=$sql->query($sql_string);
if($sql_result)
return $sql_result;
echo 'SQL Update error,SQLString: '.$sql_string.'<br/>';
echo 'SQL Error: '.$sql->error;
return null;
}
function sql_update_by_post($sql,$table_name,$where,$field_array)
{
if(!$sql)return null;
if(!$where||strlen($where)<3)return null;
if(!$field_array||!is_array($field_array)||count($field_array)<=0)return null;
$data_array=array();
foreach($field_array as $field)
{
if(isset($_POST[$field])&&strlen($_POST[$field])>0)
$data_array[$field]=$_POST[$field];
}
return sql_update($sql,$table_name,$where,$data_array);
}
?>