Npm 数据库和电子(windows环境)
在玩Electron(在Windows下)时,我尝试使用PockDB。不幸的是,它似乎对我不起作用 在我的例子中,package.json如下所示:Npm 数据库和电子(windows环境),npm,electron,pouchdb,Npm,Electron,Pouchdb,在玩Electron(在Windows下)时,我尝试使用PockDB。不幸的是,它似乎对我不起作用 在我的例子中,package.json如下所示: "devDependencies": { "electron": "^1.4.12", "electron-rebuild": "^1.4.0" }, "dependencies": { ... "electron-reload": "^0.2.0", "pouchdb": "*", "pouch
"devDependencies": {
"electron": "^1.4.12",
"electron-rebuild": "^1.4.0"
},
"dependencies": {
...
"electron-reload": "^0.2.0",
"pouchdb": "*",
"pouchdb-adapter-node-websql": "*",
"pouchdb-find": "*",
...
}
和js代码本身:
var pouch = require('pouchdb');
var db = new pouch('mydb-websql');
console.log(db)
结果如下所示:
> PouchDB$5 { __opts: { name: 'mydb-websql', adapter: 'leveldb' },
> auto_compaction: undefined, prefix: '_pouch_', name:
> 'mydb-websql', _adapter: 'leveldb', domain: null, _events: {},
> _eventsCount: 0, _maxListeners: undefined, taskqueue: TaskQueue$1 {
> isReady: false,
> failed:
> Error: Error: Could not locate the bindings file. Tried:
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \build\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \build\Debug\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \build\Release\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \out\Debug\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \Debug\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \out\Release\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \Release\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \build\default\leveldown.node
> Ôćĺ c:\learning\electron\node_modules\pouchdb\node_modules\leveldown
> \compiled\6.5.0\win32\x64\leveldown.node: unable to import leveldown
> at requireLeveldown (c:\learning\electron\node_modules\pouchdb\li b\index.js:5173:12)
> at PouchDB$5.LevelDownPouch (c:\learning\electron\node_modules\po uchdb\lib\index.js:5373:17)
> at new PouchDB$5 (c:\learning\electron\node_modules\pouchdb\lib\i ndex.js:2753:36)
> at Object.<anonymous> (c:\learning\electron\main.js:6:10)
> at Module._compile (module.js:556:32)
> at Object.Module._extensions..js (module.js:565:10)
> at Module.load (module.js:473:32)
> at tryModuleLoad (module.js:432:12)
> at Function.Module._load (module.js:424:3)
> at loadApplicationPackage (C:\Users\adam\AppData\Roaming\npm\node_modu
> les\electron\dist\resources\default_app.asar\main.js:280:12),
> queue: [] }, adapter: 'leveldb' }
>pookDB$5{{uuu选项:{name:'mydb websql',adapter:'leveldb'},
>自动压缩:未定义,前缀:''u邮袋',名称:
>'mydb websql',_适配器:'leveldb',域:null,_事件:{},
>\u eventsCount:0,\u maxListeners:undefined,taskqueue:taskqueue$1{
>伊斯雷迪:错,
>失败:
>错误:错误:找不到绑定文件。已尝试:
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\build\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\build\Debug\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\build\Release\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\out\Debug\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\Debug\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\out\Release\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\Release\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\build\default\leveldown.node
>Ôćĺc:\learning\electron\node_modules\pockDB\node_modules\leveldown
>\compiled\6.5.0\win32\x64\leveldown.node:无法导入leveldown
>在requireLeveldown(c:\learning\electron\node\u modules\pockdb\li b\index.js:5173:12)
>在PockDB$5.levelDownPock(c:\learning\electron\node\u modules\po uchdb\lib\index.js:5373:17)
>新的PockDB$5(c:\learning\electron\node\u modules\PockDB\lib\i ndex.js:2753:36)
>对象。(c:\learning\electron\main.js:6:10)
>在模块处编译(Module.js:556:32)
>在Object.Module._extensions..js(Module.js:565:10)
>在Module.load(Module.js:473:32)
>在TryModule加载时(module.js:432:12)
>在Function.Module.\u加载(Module.js:424:3)
>在loadApplicationPackage(C:\Users\adam\AppData\Roaming\npm\node\u modu
>les\electron\dist\resources\default\u app.asar\main.js:280:12),
>队列:[]},适配器:'leveldb'}
当我使用websql适配器时,结果甚至更糟:
App threw an error during load
Error: Invalid Adapter: websql
at new PouchDB$5 (c:\learning\electron\node_modules\pouchdb\lib\index.j
s:2745:11)
at Object.<anonymous> (c:\learning\electron\main.js:6:10)
at Module._compile (module.js:556:32)
at Object.Module._extensions..js (module.js:565:10)
at Module.load (module.js:473:32)
at tryModuleLoad (module.js:432:12)
at Function.Module._load (module.js:424:3)
at loadApplicationPackage (C:\Users\adam\AppData\Roaming\npm\node_modules\el
ectron\dist\resources\default_app.asar\main.js:280:12)
at Object.<anonymous> (C:\Users\adam\AppData\Roaming\npm\node_modules\electr
on\dist\resources\default_app.asar\main.js:322:5)
at Module._compile (module.js:556:32)
应用程序在加载过程中抛出错误
错误:无效适配器:websql
新的PockDB$5(c:\learning\electron\node\u modules\PockDB\lib\index.j
s:2745:11)
反对。(c:\learning\electron\main.js:6:10)
在模块处编译(Module.js:556:32)
在Object.Module._extensions..js(Module.js:565:10)
在Module.load(Module.js:473:32)
在TryModule加载时(module.js:432:12)
在Function.Module.\u加载(Module.js:424:3)
在loadApplicationPackage(C:\Users\adam\AppData\Roaming\npm\node\U modules\el
ectron\dist\resources\default\u app.asar\main.js:280:12)
反对。(C:\Users\adam\AppData\Roaming\npm\node\u modules\electr
on\dist\resources\default\u app.asar\main.js:322:5)
在模块处编译(Module.js:556:32)
我必须承认,我试图重建一切,我尝试了所有适配器,但没有取得好的结果。我尝试另外安装sqlite3,但再次失败
你是否有其他想法,它会出什么问题,或者我可能会在哪里犯错误
我在linux下尝试了相同的代码,有适配器和没有适配器,但都失败了。我认为它不依赖于操作系统。好的,我发现了问题。这个问题与操作系统有关,而且都是围绕着重新编译sqlite3。实际上,我需要添加windows工具包,并在以后设置python的路径(我从错误中读取)。在检查过linux下一切都很顺利后,我发现这一点 也许把我的操作系统改成linux会更安全,但实际上我需要为windows开发。我需要找到平衡的方法;)