$sql = "insert into limove(name,order) values('aa',11)";
$rst = $MysqLi->query($sql);

$sql = "delete from limove where id = 221";
$rst = $MysqLi->query($sql);

if($rst === false)
{
ee($MysqLi->errno);
ee($MysqLi->error);
}

影响条数

ee($MysqLi->affected_rows);

插入的id

ee($MysqLi->insert_id);

ee($MysqLi);

$sql = "select * from limove as limove_as";

$result = $MysqLi->query($sql);
if($result === false)
{
ee($MysqLi->errno);
ee($MysqLi->error);
}

行数

ee($result->num_rows);

列数

ee($result->field_count);

字段个数

ee($result->field_count);

获取所有字段的信息

$field_arr = $result->fetch_fields();

移动字段的指针

// $result->field_seek(1);

依次获取字段的信息

while($field = $result->fetch_field())
{
ee($field);
}

移动记录指针

$result->data_seek(1);

一次获取所有数据

$data = $result->fetch_all(MysqLI_ASSOC);

关联数组方式获取结果集

$data = array();

$result->data_seek(0); #重置指针到起始
while($row = $result->fetch_assoc())
{
$data[] = $row;
}

ee($data);

$result->free();
$MysqLi->close();

$sql_arr = array(
'insert into limove(id,name,order) values(null,1,2)','insert into limove(id,222)','delete from limove where order = 2',);

$sql = implode(';',$sql_arr);

$result = $MysqLi->multi_query($sql);
if($result === false)
{
ee($MysqLi->errno);
ee($MysqLi->error);
}

$MysqLi->close();

$sql_arr = array(
'show tables','desc select * from limove','show create table limove',$sql_arr);

$rst = $MysqLi->multi_query($sql);

if($rst === false)
{
ee($MysqLi->errno);
ee($MysqLi->error);
}

do{
$result = $MysqLi->store_result();#获取当前光标所在的结果集

$data = $result->fetch_all();

ee($data);

}while($MysqLi->next_result());#光标移动到下一个结果集

$MysqLi->close();

$error=true;

$price=50;

$sql="update zh set ye=ye-{$price} where name='zhangsan'";

$result=$MysqLi->query($sql);

if(!$result){
$error=false;
echo "从张三转出失败
";
}else{
if($MysqLi->affected_rows==0){
$error=false;
echo "张三的钱没有变化";
}else{
echo "从张三账号中转出成功!
";
}
}

$sql="update zh set ye=ye+{$price} where name='lisi1'";

$result=$MysqLi->query($sql);

if(!$result){
$error=false;
echo "从李四转入失败
";
}else{
if($MysqLi->affected_rows==0){
$error=false;
echo "李四的钱没有变化";
}else{
echo "向李四账号中转入成功!
";
}
}

if($error){
echo "转账成功!";
$MysqLi->commit();
}else{
echo "转账失败!";
$MysqLi->rollback();
}

$MysqLi->autocommit(1);
$MysqLi->close();

//只能用函数来判断是否连接成功
if(mysqli_connect_errno())
{
echo mysqli_connect_error();
die;
}

$mysqli->set_charset('utf8');

$sql = "insert into limove values(?,?,?)"; //语句一样值不相同情况

//MysqLi中有直接的方法可用
$stmt = $MysqLi->prepare($sql);

//绑定参数
$stmt->bind_param('iss',$id,$name,$order);

for($i=0;$i<5;$i++){
$id = 0;
$name = 'name';
$order = mt_rand(1,1000);
$stmt->execute();

}

//最后id
ee($stmt->insert_id);

//影响的行数 注:最后一条执行的
ee($stmt->affected_rows);

//错误号
ee($stmt->errno);

//错误信息
ee($stmt->error);

//stmt对象中可以看到更多的信息
ee($stmt);

eee($MysqLi);

//只能用函数来判断是否连接成功
if(mysqli_connect_errno())
{
echo mysqli_connect_error();
die;
}

$mysqli->set_charset('utf8');

$sql = "select * from limove where id