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体验新版 GitCode,发现更多精彩内容 >>
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30aba2ce
编写于
4月 26, 2022
作者:
O
openharmony_ci
提交者:
Gitee
4月 26, 2022
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差异文件
!3451 update fileio api
Merge pull request !3451 from zhangxingxia/master
上级
4d3ab971
79e4b716
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
28 addition
and
25 deletion
+28
-25
zh-cn/application-dev/reference/apis/js-apis-fileio.md
zh-cn/application-dev/reference/apis/js-apis-fileio.md
+28
-25
未找到文件。
zh-cn/application-dev/reference/apis/js-apis-fileio.md
浏览文件 @
30aba2ce
...
...
@@ -503,9 +503,7 @@ mkdir(path: string, mode: number, callback: AsyncCallback<void>): void
-
示例:
```
js
fileio
.
mkdir
(
path
,
function
(
err
)
{
if
(
!
err
)
{
// do something
}
console
.
info
(
"
mkdir successfully
"
);
});
```
...
...
@@ -639,7 +637,8 @@ read(fd: number, buffer: ArrayBuffer, options?: {
let
fd
=
fileio
.
openSync
(
path
,
0o2
);
let
buf
=
new
ArrayBuffer
(
4096
);
fileio
.
read
(
fd
,
buf
).
then
(
function
(
readout
){
console
.
info
(
"
read file data successfully:
"
+
JSON
.
stringify
(
readout
));
console
.
info
(
"
read file data successfully
"
);
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)));
}).
catch
(
function
(
error
){
console
.
info
(
"
read file data failed with error:
"
+
error
);
});
...
...
@@ -671,8 +670,9 @@ read(fd: number, buffer: ArrayBuffer, options: {
let
fd
=
fileio
.
openSync
(
path
,
0o2
);
let
buf
=
new
ArrayBuffer
(
4096
);
fileio
.
read
(
fd
,
buf
,
function
(
err
,
readOut
)
{
if
(
!
err
)
{
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)))
if
(
readOut
)
{
console
.
info
(
"
read file data successfully
"
);
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)));
}
});
```
...
...
@@ -756,6 +756,7 @@ rmdir(path: string, callback:AsyncCallback<void>): void
```
js
fileio
.
rmdir
(
path
,
function
(
err
){
// do something
console
.
info
(
"
rmdir successfully
"
);
});
```
...
...
@@ -824,9 +825,7 @@ unlink(path:string, callback:AsyncCallback<void>): void
-
示例:
```
js
fileio
.
unlink
(
path
,
function
(
err
)
{
if
(
!
err
)
{
// do something
}
console
.
info
(
"
remove file successfully
"
);
});
```
...
...
@@ -879,7 +878,7 @@ write(fd: number, buffer: ArrayBuffer | string, options?: {
```
js
let
fd
=
fileio
.
openSync
(
fpath
,
0o100
|
0o2
,
0o666
);
fileio
.
write
(
fd
,
"
hello, world
"
).
then
(
function
(
number
){
console
.
info
(
"
write data to file successfully:
"
+
number
);
console
.
info
(
"
write data to file successfully
and size is
:
"
+
number
);
}).
catch
(
function
(
err
){
console
.
info
(
"
write data to file failed with error:
"
+
err
);
});
...
...
@@ -911,8 +910,8 @@ write(fd: number, buffer: ArrayBuffer | string, options: {
```
js
let
fd
=
fileio
.
openSync
(
path
,
0o100
|
0o2
,
0o666
);
fileio
.
write
(
fd
,
"
hello, world
"
,
function
(
err
,
bytesWritten
)
{
if
(
!
err
)
{
console
.
log
(
bytesWritten
)
if
(
bytesWritten
)
{
console
.
info
(
"
write data to file successfully and size is:
"
+
bytesWritten
);
}
});
```
...
...
@@ -997,8 +996,8 @@ hash(path: string, algorithm: string, callback: AsyncCallback<string>): vo
-
示例:
```
js
fileio
.
hash
(
fpath
,
"
sha256
"
,
function
(
err
,
hashStr
)
{
if
(
!
er
r
)
{
console
.
log
(
hashStr
)
if
(
hashSt
r
)
{
console
.
info
(
"
calculate file hash successfully:
"
+
hashStr
);
}
});
```
...
...
@@ -1486,7 +1485,8 @@ read(buffer: ArrayBuffer, options?: {
-
示例:
```
js
fileio
.
read
(
new
ArrayBuffer
(
4096
)).
then
(
function
(
readout
){
console
.
info
(
"
read file data successfully:
"
+
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readout
.
buffer
)));
console
.
info
(
"
read file data successfully
"
);
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)));
}).
catch
(
function
(
err
){
console
.
info
(
"
read file data failed with error:
"
+
err
);
});
...
...
@@ -1516,8 +1516,9 @@ read(buffer: ArrayBuffer, options: {
```
js
let
buf
=
new
ArrayBuffer
(
4096
);
fileio
.
read
(
buf
,
function
(
err
,
readOut
)
{
if
(
!
err
)
{
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)))
if
(
readOut
)
{
console
.
info
(
"
read file data successfully
"
);
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)));
}
});
```
...
...
@@ -2731,7 +2732,7 @@ write(buffer: ArrayBuffer | string, options?: {
```
js
let
ss
=
fileio
.
createStreamSync
(
fpath
,
"
r+
"
);
ss
.
write
(
"
hello, world
"
,{
offset
:
1
,
length
:
5
,
position
:
5
,
encoding
:
'
utf-8
'
}).
then
(
function
(
number
){
console
.
info
(
"
write successfully:
"
+
number
);
console
.
info
(
"
write successfully
and size is
:
"
+
number
);
}).
catch
(
function
(
err
){
console
.
info
(
"
write failed with error:
"
+
err
);
});
...
...
@@ -2762,9 +2763,9 @@ write(buffer: ArrayBuffer | string, options: {
```
js
let
ss
=
fileio
.
createStreamSync
(
fpath
,
"
r+
"
);
ss
.
write
(
"
hello, world
"
,
{
offset
:
1
,
length
:
5
,
position
:
5
,
encoding
:
'
utf-8
'
},
function
(
err
,
bytesWritten
)
{
if
(
!
err
)
{
if
(
bytesWritten
)
{
// do something
console
.
log
(
bytesWritten
);
console
.
info
(
"
write successfully and size is:
"
+
bytesWritten
);
}
});
```
...
...
@@ -2829,6 +2830,7 @@ read(buffer: ArrayBuffer, options?: {
let
ss
=
fileio
.
createStreamSync
(
fpath
,
"
r+
"
);
ss
.
read
(
new
ArrayBuffer
(
4096
),
{
offset
:
1
,
length
:
5
,
position
:
5
}).
then
(
function
(
readout
){
console
.
info
(
"
read data successfully
"
);
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)));
}).
catch
(
function
(
err
){
console
.
info
(
"
read data failed with error:
"
+
err
);
});
...
...
@@ -2858,8 +2860,9 @@ read(buffer: ArrayBuffer, options: {
```
js
let
ss
=
fileio
.
createStreamSync
(
fpath
,
"
r+
"
);
ss
.
read
(
new
ArrayBuffer
(
4096
),{
offset
:
1
,
length
:
5
,
position
:
5
},
function
(
err
,
readOut
)
{
if
(
!
err
)
{
// do something
if
(
readOut
)
{
console
.
info
(
"
read data successfully
"
);
console
.
log
(
String
.
fromCharCode
.
apply
(
null
,
new
Uint8Array
(
readOut
.
buffer
)));
}
});
```
...
...
@@ -2917,7 +2920,7 @@ read(): Promise<Dirent>
```
js
let
dir
=
fileio
.
opendirSync
(
path
);
dir
.
read
().
then
(
function
(
dirent
){
console
.
info
(
"
read successfully:
"
+
dirent
.
name
);
console
.
log
(
"
read successfully:
"
+
JSON
.
stringify
(
dirent
)
);
}).
catch
(
function
(
err
){
console
.
info
(
"
read failed with error:
"
+
err
);
});
...
...
@@ -2941,9 +2944,9 @@ read(callback: AsyncCallback<Dirent>): void
```
js
let
dir
=
fileio
.
opendirSync
(
path
);
dir
.
read
(
function
(
err
,
dirent
)
{
if
(
!
err
)
{
if
(
dirent
)
{
// do something
console
.
log
(
dirent
.
name
)
console
.
log
(
"
read successfully:
"
+
JSON
.
stringify
(
dirent
));
}
});
```
...
...
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