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meibuyu-micro
Commits
a099775c
Commit
a099775c
authored
Jun 28, 2020
by
jiangkebao
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数字转字母函数
parent
c19a1298
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functions.php
src/functions.php
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src/functions.php
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a099775c
...
...
@@ -660,4 +660,23 @@ if (!function_exists('make_has_relation_function')) {
}
if
(
!
function_exists
(
'int_to_chr'
))
{
/**
* 数字转字母 (类似于Excel列标)
* @param $index 索引值
* @param int $start 字母起始值
* @return string 返回字母
*/
function
int_to_chr
(
$index
,
$start
=
65
)
{
$str
=
''
;
if
(
floor
(
$index
/
26
)
>
0
)
{
$str
.=
int_to_chr
(
floor
(
$index
/
26
)
-
1
);
}
return
$str
.
chr
(
$index
%
26
+
$start
);
}
}
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