一. 有输入参数,输出参数并返回结果集的存储过程
存储过程如下:
CREATE DEFINER=`root`@`127.0.0.1` PROCEDURE `sp_test_page`(
$pageIndex INT, #查询页码
$pageSize INT, #每页记录数
OUT $totalRows INT, #总记录数
OUT $totalPages INT #总页数
)
BEGIN
#计算起始行号
SET @startRow = $pageSize * ($pageIndex - 1);
SET @pageSize = $pageSize;
#合并字符串
SET @sqlstr = CONCAT('select sql_calc_found_rows id from test where 1=1 order by id asc limit ',@startRow,',',@pageSize);
PREPARE sqlstr FROM @sqlstr;#定义预处理语句
EXECUTE sqlstr; #执行预处理语句
DEALLOCATE PREPARE sqlstr; #删除定义
#通过 sql_calc_found_rows 记录没有使用 limit 语句的记录,使用 found_rows() 获取行数
SET $totalRows = FOUND_ROWS();
#计算总页数
IF $totalRows <= $pageSize THEN
SET $totalPages = 1;
ELSEIF $totalRows % $pageSize > 0 THEN
SET $totalPages = $totalRows / $pageSize + 1;
ELSE
SET $totalPages = $totalRows / $pageSize;
END IF;
END
1. 面向过程
$conn = mysqli_connect('127.0.0.1','root','begin110','ifel');
$stmt = mysqli_query($conn, "call sp_test_page(1, 5, @totalRows, @totalPages)");
$rss = array();
$rs = array();
while($row = mysqli_fetch_array($stmt, MYSQL_ASSOC))
{
array_push($rs, $row);
}
array_push($rss, $rs);
mysqli_free_result($stmt);
mysqli_next_result($conn);
$stmt = mysqli_query($conn, "select @totalRows as totalRows, @totalPages as totalPages;");
$rs = array();
while($row = mysqli_fetch_array($stmt, MYSQL_ASSOC))
{
array_push($rs, $row);
}
array_push($rss, $rs);
mysqli_close($conn);
var_dump($rss);
$mysqli = new mysqli('127.0.0.1','root','begin110','ifel');
$rss = array();
$results = $mysqli->query("call sp_test_page(1, 5, @totalRows, @totalPages)");
$rs = array();
while($row=$results->fetch_object())
{
array_push($rs, $row);
}
array_push($rss, $rs);
$results->free_result();
$mysqli->next_result();
$res = $mysqli->query("select @totalRows as totalRows, @totalPages as totalPages;");
$rs = array();
while($row=$res->fetch_object())
{
array_push($rs, $row);
}
array_push($rss, $rs);
$mysqli->close();
var_dump($rss);
存储过程如下:
CREATE DEFINER=`root`@`127.0.0.1` PROCEDURE `sp_get_user_list`(
in $uid int
)
BEGIN
if $uid>0
then
select * from tb_user where uid=$uid;
select * from tb_user where uid=$uid;
select * from tb_user where uid=$uid;
else
select * from test;
select * from test;
select * from test;
end if;
END
1.面向过程
$conn = mysqli_connect('127.0.0.1','root','begin110','ifel');
$i = 1;
$sp = "call sp_get_user_list($i)";
$rss = array();
if(mysqli_multi_query($conn, $sp))
{
do
{
$rs = array();
if($result = mysqli_store_result($conn))
{
while($row = mysqli_fetch_assoc($result))
{
$rs[] = $row;
}
mysqli_free_result($result);
$rss[] = $rs;
}
}
while(mysqli_more_results($conn) && mysqli_next_result($conn));
}
echo "
";
var_dump($rss[0]);
echo "
";
var_dump($rss[1]);
echo "
";
var_dump($rss[2]);
$mysqli = new mysqli('127.0.0.1','root','begin110','ifel');
$i = 1;
$sp = "call sp_get_user_list($i)";
$rss = array();
if($mysqli->multi_query($sp))
{
do
{
$rs = array();
if($result = $mysqli->use_result())
{
while($row = $result->fetch_array(MYSQL_ASSOC))
{
$rs[] = $row;
}
$result->close();
$rss[] = $rs;
}
}
while($mysqli->more_results() && $mysqli->next_result());
$mysqli->close();
}
echo "
";
var_dump($rss[0]);
echo "
";
var_dump($rss[1]);
echo "
";
var_dump($rss[2]);
三.输出参数
存储过程:
CREATE DEFINER=`root`@`127.0.0.1` PROCEDURE `sp_test_out`(OUT msg VARCHAR(50))
BEGIN
SELECT "Hi!" INTO msg;
END
1.面向对象
$mysqli = new mysqli('127.0.0.1','root','begin110','ifel');
$mysqli->query("call sp_test_out(@msg)");
$res = $mysqli->query("SELECT @msg as msg");
$row = $res->fetch_assoc();
echo $row['msg'];
四.输入参数,并返回结果集
存储过程:
CREATE DEFINER=`root`@`127.0.0.1` PROCEDURE `sp_test_in`(IN id_val INT)
BEGIN
declare mid int;
set mid = (select max(id)+1 from test);
INSERT INTO test(id) VALUES(mid);
select * from test;
END
$conn = mysqli_connect('127.0.0.1','root','begin110','ifel');
$id = 8;
$sp = "call sp_test_in($id)";
$stmt = mysqli_query($conn, $sp);
$rs = array();
while($row = mysqli_fetch_array($stmt, MYSQL_ASSOC))
{
array_push($rs, $row);
}
mysqli_close($conn);
var_dump($rs);