前台页面例如
<form action="sql.php?action=insert" method="post">
<input type="text" name="name" />
<input type="text" name="pwd" />
<input type="submit" value="Submit" />
</form>后台操作
$action = $_GET['action']; //操作
switch = ('action'){
case "select":
$mysql = new pass();
$mysqli=$mysql->db();
$res = array();
$hasList = false;
$sql_select = "select id,name from user";
if($result = $mysqli -> query($sql_select )){
while($row = $result -> fetch_assoc()){
$res[] = $row;
}
$result -> close();
}
if(!empty($res)){
$hasList = true;
}
$arr = array(
'code' => 1,
'hasList' => $hasList,
'count' => "5",
'data' => $res,
);
echo json_encode($arr);
break;
case "insert":
$mysql = new pass();
$mysqli=$mysql->db();
$res = array();
$hasList = false;
$sql_insert = "insert into user (name , pwd) values ('aidis' , '123')";
if($mysqli -> query($sql_insert ) === true){
echo = 1;
}else{
echo = 0;
}
$result -> close();
break;
case "update":
$mysql = new pass();
$mysqli=$mysql->db();
$arr = $_POST;
$id = $arr['id'];
$name = $arr['name'];
$pwd = $arr['pwd'];
$sql_update = "update user set name = '$name' , pwd = '$pwd' where id = $id";
if($mysqli -> query($sql_update ) === true){
echo = 1;
}else{
echo = 0;
}
$result -> close();
break;
case "delete":
$mysql = new pass();
$mysqli=$mysql->db();
$id = $_GET['id'];
$sql_delete = "delete from user where id = $id";
if($mysqli -> query($sql_delete ) === true){
echo = 1;
}else{
echo = 0;
}
$result -> close();
break;
}
class pass{
function dbset(){
$host='localhost';
$user='root';
$pass='password';
$dbname='dbname';
$mysqli=new mysqli($host,$user,$pass,$dbname);
$mysqli->query('set names utf8');
if ($mysqli->connect_errno) {
printf("Connect failed: %s\n", $mysqli->connect_error);
exit();
}
return $mysqli;
}
function db(){
$mysqli=$this->dbset();
return $mysqli;
}
}