//For example, the stored procedure to be called is gxtj(a,b)
$db= new mysqli("localhost","ssss","aaaaa","bbbb");
mysqli_query($db,"SET NAMES utf8");
$result=$db->query("call gxtj($year,$jd)"); // gxtj is the stored procedure name of mysql [color=gray][/color]
while( $row = $result->fetch_array(MYSQLI_ASSOC)) //Complete Take a row from the returned result set
{
while ($key=key($row)){ //Get the field names in sequence
$value=current($row); //Get the field values in sequence
}
}
Example 1: Stored procedure without parameters
$conn = mysql_connect('localhost ','root','root') or die ("Data connection error!!!");
mysql_select_db('test',$conn);
$sql = "
create procedure myproce( )
begin
INSERT INTO user (id, username, sex) VALUES (NULL, 's', '0');
end;
";
mysql_query($sql); //Create a stored procedure of myproce
$sql = "call test.myproce();";
mysql_query($sql);//Call the stored procedure of myproce, and a new record will be added to the database.
Example 2: Stored procedure passing in parameters
$sql = "
create procedure myproce2(in score int)
begin
if score >= 60 then
select 'pass';
else
select 'no';
end if;
end;
";
mysql_query($sql);//Create a myproce2 stored procedure
$sql = "call test.myproce2(70);";
mysql_query($sql );//Call the stored procedure of myproce2, but you can’t see the effect. You can see the result under cmd.
Example 3: Stored procedure for outgoing parameters
$sql = "
create procedure myproce3(out score int)
begin
set score=100;
end;
";
mysql_query($sql);//Create a myproce3 stored procedure
$sql = "call test.myproce3(@score);";
mysql_query($sql);//Call the stored procedure of myproce3
$result = mysql_query('select @score;');
$array = mysql_fetch_array($result);
echo '
';print_r($array);<br>
Example 4: Inout stored procedure for outgoing parameters
$sql = "
create procedure myproce4(inout sexflag int)
begin
SELECT * FROM user WHERE sex = sexflag;
end;
";
mysql_query($sql);//Create a myproce4 Stored procedure
$sql = "set @sexflag = 1";
mysql_query($sql);//Set the gender parameter to 1
$sql = "call test.myproce4(@sexflag);" ;
mysql_query($sql);//Call the stored procedure of myproce4 and see the effect under cmd
Example 5: Stored procedure using variables
$sql = "
create procedure myproce5(in a int,in b int)
begin
declare s int default 0;
set s=a+b;
select s;
end;
" ;
mysql_query($sql);//Create a myproce5 stored procedure
$sql = "call test.myproce5(4,6);";
mysql_query($sql);//Call myproce5 Stored procedure, see the effect below cmd
Example 6: case syntax
$sql = "
create procedure myproce6(in score int)
begin
case score
when 60 then select 'pass';
when 80 then select 'and good';
when 100 then select 'excellent';
else select 'unknown score';
end case;
end;
";
mysql_query($sql);//Create a myproce6 stored procedure
$sql = "call test.myproce6(100);";
mysql_query($sql);//Call the stored procedure of myproce6 and see the effect under cmd
Example 7: Loop statement
$sql = "
create procedure myproce7()
begin
declare i int default 0;
declare j int default 0;
while iset j=j+i;
set i=i+1;
end while;
select j;
end;
";
mysql_query($sql);//Create a myproce7 stored procedure
$sql = "call test.myproce7();";
mysql_query($sql);//Call the stored procedure of myproce7 and see the effect under cmd
Example 8: repeat statement
$sql = "
create procedure myproce8()
begin
declare i int default 0;
declare j int default 0;
repeat
set j=j+i;
set i=i+1;
until j>=10
end repeat;
select j;
end;
";
mysql_query($sql);//Create a myproce8 stored procedure
$sql = "call test.myproce8() ;";
mysql_query($sql);//Call the stored procedure of myproce8 and see the effect under cmd
Example 9: loop statement
$sql = "
create procedure myproce9()
begin
declare i int default 0;
declare s int default 0;
loop_label:loop
set s=s+i;
set i=i+1;
if i>=5 then
leave loop_label;
end if;
end loop;
select s;
end;
";
mysql_query($sql);//Create a myproce9 stored procedure
$sql = "call test.myproce9(); ";
mysql_query($sql);//Call the stored procedure of myproce9 and see the effect under cmd
Example 10: Delete stored procedure
mysql_query("drop procedure if exists myproce");//Delete the stored procedure of test
Example 10: Cursor in the stored procedure
Summary.

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。


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