百度智能小程序 FileSystemManager
FileSystemManager
解释：文件管理器。
Web 态说明：受浏览器限制，Web 态不支持文件系统相关功能，调用该对象的方法会执行失败回调函数或抛出一个标准的Error对象。
方法列表
示例
代码示例
<view class="wrap">
<button type="primary" bindtap="access">access</button>
<button type="primary" bindtap="accessSync">accessSync</button>
<button type="primary" bindtap="appendFile">appendFile</button>
<button type="primary" bindtap="appendFileSync">appendFileSync</button>
<button type="primary" bindtap="copyFile">copyFile</button>
<button type="primary" bindtap="copyFileSync">copyFileSync</button>
<button type="primary" bindtap="getFileInfo">getFileInfo</button>
<button type="primary" bindtap="getSavedFileList">getSavedFileList</button>
<button type="primary" bindtap="mkdir">mkdir</button>
<button type="primary" bindtap="mkdirSync">mkdirSync</button>
<button type="primary" bindtap="readdir">readdir</button>
<button type="primary" bindtap="readdirSync">readdirSync</button>
<button type="primary" bindtap="readFile">readFile</button>
<button type="primary" bindtap="readFileSync">readFileSync</button>
<button type="primary" bindtap="removeSavedFile">removeSavedFile</button>
<button type="primary" bindtap="rename">rename</button>
<button type="primary" bindtap="renameSync">renameSync</button>
<button type="primary" bindtap="rmdir">rmdir</button>
<button type="primary" bindtap="rmdirSync">rmdirSync</button>
<button type="primary" bindtap="saveFile">saveFile</button>
<button type="primary" bindtap="saveFileSync">saveFileSync</button>
<button type="primary" bindtap="stat">stat</button>
<button type="primary" bindtap="statSync">statSync</button>
<button type="primary" bindtap="unlink">unlink</button>
<button type="primary" bindtap="unlinkSync">unlinkSync</button>
<button type="primary" bindtap="unzip">unzip</button>
<button type="primary" bindtap="writeFile">writeFile</button>
<button type="primary" bindtap="writeFileSync">writeFileSync</button>
</view>
Page({
onLoad() {
const fs = swan.getFileSystemManager();
this.fs = fs;
},
access() {
this.fs.access({
path: `${swan.env.USER_DATA_PATH}/demo.txt`,
success: res => {
console.log('access success', res);
},
fail: err => {
console.log('access fail', err);
}
});
},
accessSync() {
try {
let result = this.fs.accessSync(
`${swan.env.USER_DATA_PATH}/demo.txt`
);
console.log('accessSync success', result);
}
catch (err) {
console.log('accessSync fail', err);
}
},
appendFile() {
this.fs.appendFile({
filePath: `${swan.env.USER_DATA_PATH}/demo.txt`,
data: 'appendFile',
success: res => {
console.log('appendFile success', res);
},
fail: err => {
console.log('appendFile fail', err)
}
});
},
appendFileSync() {
try {
let result = this.fs.appendFileSync(
`${swan.env.USER_DATA_PATH}/demo.txt`,
'appendFileSync'
);
console.log('appendFileSync success', result);
}
catch (err) {
console.log('appendFileSync fail', err);
}
},
copyFile() {
this.fs.copyFile({
srcPath: `${swan.env.USER_DATA_PATH}/demo.txt`,
destPath: `${swan.env.USER_DATA_PATH}/destPath.txt`,
success: res => {
console.log('copyFile success', res);
},
fail: err => {
console.log('copyFile fail', err);
}
});
},
copyFileSync() {
try {
let result = this.fs.copyFileSync(
`${swan.env.USER_DATA_PATH}/demo.txt`,
`${swan.env.USER_DATA_PATH}/copyFileSync.txt`
);
console.log('copyFileSync success', result);
}
catch (err) {
console.log('copyFileSync fail', err);
}
},
getFileInfo() {
this.fs.getFileInfo({
filePath: `${swan.env.USER_DATA_PATH}/demo.txt`,
success: res => {
console.log('getFileInfo success', res);
},
fail: err => {
console.log('getFileInfo fail', err);
}
});
},
getSavedFileList() {
this.fs.getSavedFileList({
success: res => {
console.log('getSavedFileList success', res);
},
fail: err => {
console.log('getSavedFileList fail', err)
}
});
},
mkdir() {
this.fs.mkdir({
dirPath: `${swan.env.USER_DATA_PATH}/mkdir`,
success: res => {
console.log('mkdir success', res);
},
fail: err => {
console.log('mkdir fail', err);
}
});
},
mkdirSync() {
try {
let result = this.fs.mkdirSync(
`${swan.env.USER_DATA_PATH}/mkdirSyc`
);
console.log('mkdirSync success', result);
}
catch (err) {
console.log('mkdirSync fail', err);
}
},
readdir() {
this.fs.readdir({
dirPath: `${swan.env.USER_DATA_PATH}/readdir`,
success: res => {
console.log('readdir success', res);
},
fail: err => {
console.log('readdir fail', err);
}
});
},
readdirSync() {
try {
let result = this.fs.readdirSync(
`${swan.env.USER_DATA_PATH}/readdirSyc'`
);
console.log('readdirSync success', result);
}
catch (err) {
console.log('readdirSync fail', err);
}
},
readFile() {
this.fs.readFile({
filePath: `${swan.env.USER_DATA_PATH}/demo.txt`,
encoding: 'utf8',
success: res => {
console.log('readFile success', res);
},
fail: err => {
console.log('readFile fail', err);
}
});
},
readFileSync() {
try {
let result = this.fs.readFileSync(
`${swan.env.USER_DATA_PATH}/demo.txt`
);
console.log('readFileSync success', result);
}
catch (err) {
console.log('readFileSync fail', err);
}
},
removeSavedFile() {
this.fs.removeSavedFile({
filePath: `${swan.env.USER_DATA_PATH}/demo.txt`,
encoding: 'utf8',
success: res => {
console.log('removeSavedFile success', res);
},
fail: err => {
console.log('removeSavedFile fail', err)
}
});
},
rename() {
this.fs.rename({
oldPath: `${swan.env.USER_DATA_PATH}/demo.txt`,
newPath: `${swan.env.USER_DATA_PATH}/rename/demo.txt`,
encoding: 'utf8',
success: res => {
console.log('rename success', res);
},
fail: err => {
console.log('readdir fail', err);
}
});
},
renameSync() {
try {
let result = this.fs.renameSync(
`${swan.env.USER_DATA_PATH}/demo.txt`,
`${swan.env.USER_DATA_PATH}/renameSync/demo.txt`
);
console.log('renameSync success', result);
}
catch (err) {
console.log('renameSync fail', err);
}
},
rmdir() {
this.fs.rmdir({
dirPath: `${swan.env.USER_DATA_PATH}/rmdir`,
success: res => {
console.log('rmdir success', res);
},
fail: err => {
console.log('rmdir fail', err);
}
});
},
rmdirSync() {
try {
let result = this.fs.rmdirSync(
`${swan.env.USER_DATA_PATH}/rmdirSync`
);
console.log('rmdirSync success', result);
}
catch (err) {
console.log('rmdirSync fail', err);
}
},
saveFile() {
this.fs.saveFile({
tempFilePath: '/usr/temp.txt', // 仅为示例，实际上请传真实临时路径地址，如 swan.downloadFile 的 tempFilePath 返回参数
filePath: `${swan.env.USER_DATA_PATH}/`,
success: res => {
console.log('saveFile success', res);
},
fail: err => {
console.log('saveFile fail', err);
}
});
},
saveFileSync() {
try {
let result = this.fs.saveFileSync(
'/usr/temp.txt', // 仅为示例，实际上请传真实临时路径地址，如 swan.downloadFile 的 tempFilePath 返回参数
`${swan.env.USER_DATA_PATH}/`
);
console.log('saveFileSync success', result);
}
catch (err) {
console.log('saveFileSync fail', err);
}
},
stat() {
this.fs.stat({
path: `${swan.env.USER_DATA_PATH}/demo.txt`,
success: res => {
console.log('stat success', res);
},
fail: err => {
console.log('stat fail', err);
}
});
},
statSync() {
try {
let result = this.fs.statSync(
`${swan.env.USER_DATA_PATH}/demo.txt`
);
console.log('statSync success', result);
}
catch (err) {
console.log('statSync fail', err);
}
},
unlink() {
this.fs.unlink({
filePath: `${swan.env.USER_DATA_PATH}/demo.txt`,
success: res => {
console.log('unlink success', res);
},
fail: err => {
console.log('unlink fail', err);
}
});
},
unlinkSync() {
try {
let result = this.fs.unlinkSync(
`${swan.env.USER_DATA_PATH}/demo.txt`
);
console.log('unlinkSync success', result);
}
catch (err) {
console.log('unlinkSync fail', err);
}
},
unzip() {
this.fs.unzip({
zipFilePath: `${swan.env.USER_DATA_PATH}/demo/a.zip`,
targetPath: `${swan.env.USER_DATA_PATH}/demo/b`,
success: res => {
console.log('unzip success', res);
},
fail: err => {
console.log('unzip fail', err);
}
});
},
writeFile() {
this.fs.writeFile({
filePath: `${swan.env.USER_DATA_PATH}/demo.txt`,
data: 'writeFile',
success: res => {
console.log('writeFile success', res);
},
fail: err => {
console.log('writeFile fail', err);
}
});
},
writeFileSync() {
try {
let result = this.fs.writeFileSync(
`${swan.env.USER_DATA_PATH}/demo.txt`,
'writeFileSync'
);
console.log('writeFileSync success', result);
}
catch (err) {
console.log('writeFileSync fail', err);
}
}