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c48cf12d
编写于
2年前
作者:
W
wusongqing
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差异文件
updated docs
Signed-off-by:
N
wusongqing
<
wusongqing@huawei.com
>
上级
1632d97f
master
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en/application-dev/reference/apis/js-apis-zlib.md
en/application-dev/reference/apis/js-apis-zlib.md
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未找到文件。
en/application-dev/reference/apis/js-apis-zlib.md
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c48cf12d
# Zip Module (JavaScript SDK APIs)
## Constraints
None
## Modules to Import
```
javascript
...
...
@@ -9,7 +7,7 @@ import zlib from '@ohos.zlib';
```
## zlib.zipFile
zipFile(inFile:string, outFile:string, options: Options): Promise
<void>
;
zipFile(inFile:string, outFile:string, options: Options): Promise
\<
void>
Zips a file. This API uses a promise to return the result.
**System capability**
: SystemCapability.BundleManager.Zlib
...
...
@@ -36,17 +34,14 @@ Zips a file. This API uses a promise to return the result.
import
zlib
from
'
@ohos.zlib
'
var
inFile
=
"
/xxx/filename.xxx
"
;
var
outFile
=
"
/xxx/xxx.zip
"
;
var
options
=
{};
options
.
level
=
zlib
.
CompressLevel
.
COMPRESS_LEVEL_DEFAULT_COMPRESSION
;
options
.
memLevel
=
zlib
.
MemLevel
.
MEM_LEVEL_DEFAULT
;
options
.
strategy
=
zlib
.
CompressStrategy
.
COMPRESS_STRATEGY_DEFAULT_STRATEGY
;
var
options
=
{
level
:
zlib
.
CompressLevel
.
COMPRESS_LEVEL_DEFAULT_COMPRESSION
,
memLevel
:
zlib
.
MemLevel
.
MEM_LEVEL_DEFAULT
,
strategy
:
zlib
.
CompressStrategy
.
COMPRESS_STRATEGY_DEFAULT_STRATEGY
};
zlib
.
zipFile
(
inFile
,
outFile
,
options
).
then
((
data
)
=>
{
if
(
data
==
zlib
.
ErrorCode
.
ERROR_CODE_OK
)
{
console
.
log
(
"
zipFile OK
"
);
}
else
{
console
.
log
(
"
zipFile NG
"
);
}
console
.
log
(
"
zipFile result:
"
+
data
);
}).
catch
((
err
)
=>
{
console
.
log
(
"
catch((err)=>
"
+
err
);
});
...
...
@@ -60,17 +55,14 @@ zlib.zipFile(inFile, outFile, options).then((data) => {
import zlib from '@ohos.zlib'
var inFile = "/xxx/xxx";
var outFile = "/xxx/xxx.zip";
var options = {};
options.level = zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION;
options.memLevel = zlib.MemLevel.MEM_LEVEL_DEFAULT;
options.strategy = zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY;
zlib.zipFile(inFile , unzipDir, options).then((data) => {
if (data == zlib.ErrorCode.ERROR_CODE_OK) {
console.log("zipFile OK");
} else {
console.log("zipFile NG");
}
var options = {
level: zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION,
memLevel: zlib.MemLevel.MEM_LEVEL_DEFAULT,
strategy: zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY
};
zlib.zipFile(inFile , outFile, options).then((data) => {
console.log("zipFile result: " + data);
}).catch((err)=>{
console.log("catch((err)=>" + err);
});
...
...
@@ -78,7 +70,7 @@ zlib.zipFile(inFile , unzipDir, options).then((data) => {
## zlib.unzipFile
unzipFile(inFile:string, outFile:string, options: Options): Promise
<void>
;
unzipFile(inFile:string, outFile:string, options: Options): Promise
\<
void>
Unzips a file. This API uses a promise to return the result.
...
...
@@ -88,7 +80,7 @@ Unzips a file. This API uses a promise to return the result.
| Name | Type | Mandatory| Description |
| ------- | ----------------------------------- | ---- | ----------------------------------- |
| inFile | string | Yes | Path of the
file to unzip. The file name extension is .
zip.|
| inFile | string | Yes | Path of the
.zip file to un
zip.|
| outFile | string | Yes | Path of the unzipped file. |
| options |
[
Options
](
#options
)
| No | Optional parameters for the unzip operation. |
...
...
@@ -106,30 +98,26 @@ import zlib from '@ohos.zlib'
var
inFile
=
"
/xx/xxx.zip
"
;
var
outFile
=
"
/xxx
"
;
var
options
=
{};
options
.
level
=
zlib
.
CompressLevel
.
COMPRESS_LEVEL_DEFAULT_COMPRESSION
;
options
.
memLevel
=
zlib
.
MemLevel
.
MEM_LEVEL_DEFAULT
;
options
.
strategy
=
zlib
.
CompressStrategy
.
COMPRESS_STRATEGY_DEFAULT_STRATEGY
;
let
options
=
{
level
:
zlib
.
CompressLevel
.
COMPRESS_LEVEL_DEFAULT_COMPRESSION
,
memLevel
:
zlib
.
MemLevel
.
MEM_LEVEL_DEFAULT
,
strategy
:
zlib
.
CompressStrategy
.
COMPRESS_STRATEGY_DEFAULT_STRATEGY
};
zlib
.
unzipFile
(
inFile
,
outFile
,
options
).
then
((
data
)
=>
{
if
(
data
==
zlib
.
ErrorCode
.
ERROR_CODE_OK
)
{
console
.
log
(
"
unzipFile OK
"
);
}
else
{
console
.
log
(
"
unzipFile NG
"
);
}
console
.
log
(
"
unzipFile result:
"
+
data
);
}).
catch
((
err
)
=>
{
console
.
log
(
"
catch((err)=>
"
+
err
);
})
```
##
o
ptions
##
O
ptions
| Name | Description |
| --------------------------- | ------------------------------------------------------------ |
| level?: CompressLeve | See
[
zip.CompressLevel
](
#
#zipcompresslevel
)
.
|
| memLevel?: MemLevel | See
[
zip.MemLevel
](
#zipmemlevel
)
|
| strategy?: CompressStrategy | See
[
zip.CompressStrategy
](
#zipcompressstrategy
)
|
| level?: CompressLeve | See
[
zip.CompressLevel
](
#
zipcompresslevel
)
.
|
| memLevel?: MemLevel | See
[
zip.MemLevel
](
#zipmemlevel
)
.
|
| strategy?: CompressStrategy | See
[
zip.CompressStrategy
](
#zipcompressstrategy
)
.
|
## zip.MemLevel
...
...
@@ -143,24 +131,24 @@ zlib.unzipFile(inFile, outFile, options).then((data) => {
| Name | Description |
| --------------------------------------- | ----------------- |
| COMPRESS_LEVEL_NO_COMPRESSION
: 0 | Compress level 0 that indicates uncompressed.|
| COMPRESS_LEVEL_BEST_SPEED
: 1
| Compression level 1 that gives the best speed. |
| COMPRESS_LEVEL_BEST_COMPRESSION
:9
| Compression level 9 that gives the best compression. |
| COMPRESS_LEVEL_DEFAULT_COMPRESSION
: -1| Default compression level. |
| COMPRESS_LEVEL_NO_COMPRESSION: 0 | Compress level 0 that indicates uncompressed.|
| COMPRESS_LEVEL_BEST_SPEED
: 1
| Compression level 1 that gives the best speed. |
| COMPRESS_LEVEL_BEST_COMPRESSION
: 9
| Compression level 9 that gives the best compression. |
| COMPRESS_LEVEL_DEFAULT_COMPRESSION: -1| Default compression level. |
## Zip.CompressStrategy
| Name | Description |
| -------------------------------------- | ------------------------ |
| COMPRESS_STRATEGY_DEFAULT_STRATEGY
: 0 | Default compression strategy. |
| COMPRESS_STRATEGY_FILTERED
: 1
| Filtered compression strategy.|
| COMPRESS_STRATEGY_HUFFMAN_ONLY
: 2
| Huffman coding compression strategy. |
| COMPRESS_STRATEGY_RLE
: 3
| RLE compression strategy. |
| COMPRESS_STRATEGY_FIXED
: 4
| Fixed compression strategy. |
| COMPRESS_STRATEGY_DEFAULT_STRATEGY: 0 | Default compression strategy. |
| COMPRESS_STRATEGY_FILTERED
: 1
| Filtered compression strategy.|
| COMPRESS_STRATEGY_HUFFMAN_ONLY
: 2
| Huffman coding compression strategy. |
| COMPRESS_STRATEGY_RLE
: 3
| RLE compression strategy. |
| COMPRESS_STRATEGY_FIXED
: 4
| Fixed compression strategy. |
## zip.ErrorCode
| Name | Description |
| -------------------- | ------------ |
| ERROR_CODE_OK: 0
| The API is successfully called.|
| ERROR_CODE_ERRNO:
- 1
| Failed to call the API.|
| ERROR_CODE_OK: 0 | The API is successfully called.|
| ERROR_CODE_ERRNO:
-1
| Failed to call the API.|
This diff is collapsed.
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