本文是一个PHP 实现的Insert和Update语句构造类,感兴趣的同学参考下. 使用方法 $mysql = new sqlstr("table1"); $mysql->set("name","value"); $mysql->set("name","1",true); echo $mysql->insertSql(); class sqlstr { private $param=array(); private $tablename; function sqlstr($tablename) { $this->tablename = $tablename; } public function set($name,$value,$isnum=false){ $value = str_replace("'","''",$value); $this-
本文是一个PHP 实现的Insert和Update语句构造类,感兴趣的同学参考下.
使用方法
$mysql = new sqlstr("table1");
$mysql->set("name","value");
$mysql->set("name","1",true);
echo $mysql->insertSql();
class sqlstr
{
private $param=array();
private $tablename;
function sqlstr($tablename)
{
$this->tablename = $tablename;
}
public function set($name,$value,$isnum=false){
$value = str_replace("'","''",$value);
$this->param[$name]=array($value,$isnum);
}
public function insertSql(){
$keys="";
$values="";
foreach($this->param as $key =>$value){
$keys = $keys . $key . ",";
if($value[1]){
$values = $values . $value[0] . ",";
}else{
$values = $values . "'" . $value[0] . "',";
}
}
if($keys!=""){$keys=substr($keys,0,strlen($keys)-1) ;}
if($values!=""){$values=substr($values,0,strlen($values)-1) ;}
return "insert into " .$this->tablename ."($keys) values($values)";
}
public function updateSql($cond){
$group="";
foreach($this->param as $key =>$value){
$group .= $key . "=";
if($value[1]){
$group.= $value[0] . ",";
}else{
$group.= "'" . $value[0] . "',";
}
}
if($group!=""){$group=substr($group,0,strlen($group)-1) ;}
return "update " . $this->tablename ." set $group where " . $cond;
}
}
标签: PHP 实现 Insert Update 语句 构造
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