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Commit
f66e079a
authored
Mar 19, 2019
by
hank
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parent
3c4bd8a4
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5 changed files
with
532 additions
and
0 deletions
+532
-0
html/index.html
+0
-0
js/rem.js
+78
-0
style/common.css
+1
-0
style/index.css
+453
-0
style/index.less
+0
-0
No files found.
html/index.html
View file @
f66e079a
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js/rem.js
0 → 100644
View file @
f66e079a
(
function
(
designWidth
,
maxWidth
)
{
var
doc
=
document
,
win
=
window
;
var
docEl
=
doc
.
documentElement
;
var
metaEl
,
metaElCon
;
var
styleText
,
remStyle
=
document
.
createElement
(
"style"
);
var
tid
;
function
refreshRem
()
{
// var width = parseInt(window.screen.width); // uc有bug
var
width
=
docEl
.
getBoundingClientRect
().
width
;
if
(
!
maxWidth
)
{
maxWidth
=
540
;
};
if
(
width
>
maxWidth
)
{
// 淘宝做法:限制在540的屏幕下,这样100%就跟10rem不一样了
width
=
maxWidth
;
}
var
rem
=
width
*
100
/
designWidth
;
// var rem = width / 10; // 如果要兼容vw的话分成10份 淘宝做法
//docEl.style.fontSize = rem + "px"; //旧的做法,在uc浏览器下面会有切换横竖屏时定义了font-size的标签不起作用的bug
remStyle
.
innerHTML
=
'html{font-size:'
+
rem
+
'px;}'
;
}
// 设置 viewport ,有的话修改 没有的话设置
metaEl
=
doc
.
querySelector
(
'meta[name="viewport"]'
);
// 20171219修改:增加 viewport-fit=cover ,用于适配iphoneX
metaElCon
=
"width=device-width,initial-scale=1,maximum-scale=1.0,user-scalable=no,viewport-fit=cover"
;
if
(
metaEl
)
{
metaEl
.
setAttribute
(
"content"
,
metaElCon
);
}
else
{
metaEl
=
doc
.
createElement
(
"meta"
);
metaEl
.
setAttribute
(
"name"
,
"viewport"
);
metaEl
.
setAttribute
(
"content"
,
metaElCon
);
if
(
docEl
.
firstElementChild
)
{
docEl
.
firstElementChild
.
appendChild
(
metaEl
);
}
else
{
var
wrap
=
doc
.
createElement
(
"div"
);
wrap
.
appendChild
(
metaEl
);
doc
.
write
(
wrap
.
innerHTML
);
wrap
=
null
;
}
}
//要等 wiewport 设置好后才能执行 refreshRem,不然 refreshRem 会执行2次;
refreshRem
();
if
(
docEl
.
firstElementChild
)
{
docEl
.
firstElementChild
.
appendChild
(
remStyle
);
}
else
{
var
wrap
=
doc
.
createElement
(
"div"
);
wrap
.
appendChild
(
remStyle
);
doc
.
write
(
wrap
.
innerHTML
);
wrap
=
null
;
}
win
.
addEventListener
(
"resize"
,
function
()
{
clearTimeout
(
tid
);
//防止执行两次
tid
=
setTimeout
(
refreshRem
,
300
);
},
false
);
win
.
addEventListener
(
"pageshow"
,
function
(
e
)
{
if
(
e
.
persisted
)
{
// 浏览器后退的时候重新计算
clearTimeout
(
tid
);
tid
=
setTimeout
(
refreshRem
,
300
);
}
},
false
);
if
(
doc
.
readyState
===
"complete"
)
{
doc
.
body
.
style
.
fontSize
=
"16px"
;
}
else
{
doc
.
addEventListener
(
"DOMContentLoaded"
,
function
(
e
)
{
doc
.
body
.
style
.
fontSize
=
"16px"
;
},
false
);
}
})(
750
,
750
);
\ No newline at end of file
style/common.css
View file @
f66e079a
...
...
@@ -24,6 +24,7 @@ html, body {
/* max-width:1900px; */
margin
:
0
auto
;
width
:
100%
;
font-size
:
14px
;
}
body
{
...
...
style/index.css
View file @
f66e079a
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style/index.less
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f66e079a
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