这篇关于insert_update和insert区别的文章，主要介绍PHP新手用的Insert和Update语句构造类，觉得挺不错的，感兴趣的php开发者可以参考下，希望对大家在学习php的成长路上有所帮助！
比较适合PHP新手学习用的Insert和Update语句构造类，具体代码如下：
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;
}
} 使用方法如下：
$mysql = new sqlstr("table1");
$mysql->set("name","value");
$mysql->set("name","1",true);
echo $mysql->insertSql();总结
以上就是关于insert_update和insert区别全部内容，希望这篇PHP新手用的Insert和Update语句构造类文章能够帮你解决如相关的PHP问题，更多请关注PHP栏目的其它相关文章！