{"id":17036,"date":"2021-09-03T18:33:39","date_gmt":"2021-09-03T09:33:39","guid":{"rendered":"https:\/\/itport.cloud\/?p=17036"},"modified":"2021-09-03T18:33:40","modified_gmt":"2021-09-03T09:33:40","slug":"post-17036","status":"publish","type":"post","link":"https:\/\/itport.cloud\/?p=17036","title":{"rendered":"(\u7b2c4\u56de)Electron\u3067\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u958b\u767a\u3057\u3088\u3046\uff08\u88fd\u9020\u7de8\u2462\uff09"},"content":{"rendered":"\n

\u76ee\u6b21<\/h2>\n\n\n\n

\u306f\u3058\u3081\u306b<\/a>
NeDB<\/a>
NeDB\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/a>
DB\u3078\u306e\u4fdd\u5b58<\/a>
\u4fdd\u5b58\u30c7\u30fc\u30bf\u306e\u8868\u793a<\/a>
\u6b21\u56de\u4e88\u544a<\/a><\/p>\n\n\n\n

\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n

\u524d\u56de\u306f\u3001jKanban\u3092\u4f7f\u7528\u3057\u3066\u304b\u3093\u3070\u3093\u30a2\u30d7\u30ea\u306e\u753b\u9762\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002
\u4eca\u56de\u306f\u3001\u30bf\u30b9\u30af\u306e\u4fdd\u5b58\u3068\u4fdd\u5b58\u30c7\u30fc\u30bf\u306e\u8868\u793a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

NeDB<\/h2>\n\n\n\n

\u4eca\u56de\u306f\u30bf\u30b9\u30af\u3092\u4fdd\u5b58\u3057\u3066\u3001\u6b21\u56de\u8d77\u52d5\u6642\u306b\u4fdd\u5b58\u3057\u305f\u30bf\u30b9\u30af\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u306e\u3067\u3001NeDB\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002
NeDB\u306fJavaScript\u3067\u52d5\u4f5c\u3059\u308b\u7d44\u307f\u8fbc\u307f\u7528\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3001\u5225\u9014DB\u7528\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u4e0d\u8981\u3067JavaScript\u3092\u5b9f\u884c\u3067\u304d\u308b\u74b0\u5883\u3067\u3042\u308c\u3070\u52d5\u4f5c\u3057\u307e\u3059\u3002
NeDB\uff1ahttps:\/\/github.com\/louischatriot\/nedb<\/a><\/p>\n\n\n\n

\u203bNeDB\u306f2015\u5e74\u304b\u3089\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <\/p>\n\n\n\n

\u307e\u305a\u306f\u3001 NeDB\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306bnpm install\u3067\u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002 <\/p>\n\n\n

\nnpm install nedb\n<\/pre><\/div>\n\n\n
 \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u5b9f\u969b\u306bDB\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 
 NeDB\u3067\u306f\u30a4\u30f3\u30e1\u30e2\u30ea\u3068DB\u30d5\u30a1\u30a4\u30eb\u306e2\u30d1\u30bf\u30fc\u30f3\u306e\u5229\u7528\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002
 \u4eca\u56de\u306f\u3001\u30c4\u30fc\u30eb\u3092\u518d\u8d77\u52d5\u3057\u3066\u3082\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3067DB\u3092\u7528\u610f\u3057\u307e\u3059\u3002
 \u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u30e1\u30a4\u30f3\u753b\u9762\uff08index.html\uff09\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3068\u540c\u968e\u5c64\u306bdata\u30d5\u30a9\u30eb\u30c0\u3092\u4f5c\u6210\u3057\u3001kanban.nedb\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c\u81ea\u52d5\u3067\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002 
<\/p>\n\n\n
\nconst db = new Datastore({ filename: 'kanban.nedb', autoload: true })\n<\/pre><\/div>\n\n\n
NeDB\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n\n\n\n
 NeDB\u306eAPI\u306fMongoDB\u306eAPI\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u306a\u306e\u3067\u3001MongoDB\u3068\u540c\u3058\u4f7f\u3044\u65b9\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n\n\n\n
\u8ffd\u52a0<\/h3>\n\n\n
\ndb.insert(doc)\ndb.insert(doc, (error, newDoc) => {})\n<\/pre><\/div>\n\n\n
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306f\u3001insert<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002
doc<\/strong>\u3000\u8ffd\u52a0\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3057\u307e\u3059
newDoc<\/strong>\u3000DB\u767b\u9332\u5f8c\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c816\u6587\u5b57\u304b\u3089\u306a\u308b_id<\/strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n\n\n\n
\u66f4\u65b0<\/h3>\n\n\n
\ndb.update(query, doc, option, (error, numOfDocs) =>{});\n<\/pre><\/div>\n\n\n
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001update<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002
query\u3000<\/strong>\u66f4\u65b0\u5bfe\u8c61\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6307\u5b9a\u3000 \u6b63\u898f\u8868\u73fe\u306b\u3088\u3063\u3066\u90e8\u5206\u4e00\u81f4\u306a\u3069\u3082\u53ef\u80fd 
\u3000\u3000\u3000\u3000\u4f8b\u3000ID\u3092\u6307\u5b9a\u3057\u3066\u691c\u7d22\u3059\u308b\u5834\u5408\u306fvar query = {_id:”xxxxxxxxxxxxxxxx”}\u3000<\/strong> \u306e\u3088\u3046\u306b\u3057\u307e\u3059 
doc\u3000<\/strong>\u66f4\u65b0\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3000insert\u3068\u540c\u69d8\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3059\u308b
option\u3000<\/strong>\u8907\u6570\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u66f4\u65b0\u3001\u4e00\u81f4\u3059\u308b\u3082\u306e\u304c\u306a\u3044\u5834\u5408\u306b\u66f4\u65b0\u306a\u3069\u3067\u5229\u7528\u3000\u4eca\u56de\u306f\u4f7f\u7528\u3057\u307e\u305b\u3093
numOfDocs\u3000<\/strong>\u66f4\u65b0\u3057\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4ef6\u6570\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059<\/p>\n\n\n\n
\u524a\u9664<\/h3>\n\n\n
\ndb.remove(query, options, (error, numOfDocs) => {})\n<\/pre><\/div>\n\n\n
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001remove<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002
query\u3000<\/strong>\u524a\u9664\u5bfe\u8c61\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6307\u5b9a
options\u3000<\/strong>\u8907\u6570\u524a\u9664\u3067\u5229\u7528 
numOfDocs\u3000<\/strong>\u66f4\u65b0\u3057\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4ef6\u6570\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059 <\/p>\n\n\n\n
query\u3000<\/strong>\u524a\u9664\u5bfe\u8c61\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6307\u5b9a
options\u3000<\/strong>\u8907\u6570\u524a\u9664\u3067\u5229\u7528 
numOfDocs\u3000<\/strong>\u66f4\u65b0\u3057\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4ef6\u6570\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059 <\/p>\n\n\n\n
\u691c\u7d22<\/h3>\n\n\n
\ndb.find(query, (error, docs){})\ndb.findOne(query, (error, doc){})\n<\/pre><\/div>\n\n\n
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u691c\u7d22\u3059\u308b\u5834\u5408\u306f\u3001find<\/strong>\u307e\u305f\u306ffindOne<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002
 find\u3000<\/strong>\u30af\u30a8\u30ea\u306b\u4e00\u81f4\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8fd4\u3059 
query\u3000<\/strong>\u691c\u7d22\u5bfe\u8c61\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6307\u5b9a \u3000 \u6b63\u898f\u8868\u73fe\u306b\u3088\u3063\u3066\u90e8\u5206\u4e00\u81f4\u306a\u3069\u3082\u53ef\u80fd 
\u3000\u3000\u3000\u3000\u4f8b\u3000ID\u3092\u6307\u5b9a\u3057\u3066\u691c\u7d22\u3059\u308b\u5834\u5408\u306fvar query = {_id:”xxxxxxxxxxxxxxxx”}\u3000<\/strong> \u306e\u3088\u3046\u306b\u3057\u307e\u3059 
findOne\u3000<\/strong>\u30af\u30a8\u30ea\u306b\u4e00\u81f4\u3057\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u3046\u3061\u3001\uff11\u3064\u3092\u8fd4\u3059<\/p>\n\n\n\n
DB\u3078\u306e\u4fdd\u5b58<\/h2>\n\n\n\n
NeDB\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3001kanban\u64cd\u4f5c\u6642\u306b\u30c7\u30fc\u30bf\u3092NeDB\u3078\u4fdd\u5b58\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002
\u307e\u305a\u3001jKanban\u304b\u3089\u4fdd\u5b58\u7528\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570\u3092\u7528\u610f\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n\/\/ kanban\u304b\u3089db\u767b\u9332\u7528\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\nfunction getBoardItem(boardid) {\n    var target = kanban.getBoardElements(boardid);\/\/ kanban\u304b\u3089\u6307\u5b9a\u3057\u305f\u30dc\u30fc\u30c9ID\u306e\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\n    var items = Array.from(target).map(x => ({ title: x.textContent }));\/\/ \u53d6\u5f97\u3057\u305f\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\n    \/\/ DB\u767b\u9332\u7528\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\n    var board = {\n        boardid: boardid,\n        item: items\n    }\n    return board;\n}\n<\/pre><\/div>\n\n\n
  \u6b21\u306b\u3001\u53d6\u5f97\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092DB\u306b\u4fdd\u5b58\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u610f\u3057\u307e\u3059\u3002 <\/p>\n\n\n
\nfunction saveBoard() {\n    for (var i = 1; i <= 4; i++) {\/\/\u30dc\u30fc\u30c9\u6570\u5206\u306e\u30eb\u30fc\u30d7\n        var boardid = `board-${i}`;\n        var query = { 'boardid': boardid };\n        var board = getBoardItem(boardid);\/\/ DB\u767b\u9332\u7528\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092kanban\u304b\u3089\u53d6\u5f97\n        var options = { upsert: true };\/\/ query\u306e\u5bfe\u8c61\u304c\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u66f4\u65b0\u3067\u306f\u306a\u304f\u8ffd\u52a0\n        db.update(query, board, options, function (err, numOfDocs) {\n            console.log(board, numOfDocs);\n        });\n    }\n}\n<\/pre><\/div>\n\n\n
\u5148\u307b\u3069\u7d39\u4ecb\u3057\u305fdb.update<\/strong>\u3092\u4f7f\u3063\u3066kanban\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092DB\u306b\u767b\u9332\u3057\u307e\u3059\u3002
option<\/strong>\u3067upsert<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u8ffd\u52a0\u30fb\u66f4\u65b0\u30921\u6587\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
 \u6b21\u306b\u3001kanban\u64cd\u4f5c\u6642\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u305f\u3044\u306e\u3067\u3001kanban\u306e\u5404\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3067\u4e0a\u8a18\u306esaveBoard\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002 <\/p>\n\n\n
\n        var kanban = new jKanban({\n            element: \"#kanban\",     \/\/\u30dc\u30fc\u30c9\u8868\u793a\u5bfe\u8c61\u306e\u8981\u7d20\n            gutter: '5px',         \/\/\u30dc\u30fc\u30c9\u540c\u58eb\u306e\u9593\u9694\n            widthBoard: '250px',    \/\/\u30dc\u30fc\u30c9\u306e\u30b5\u30a4\u30ba\n            boards: boards,         \/\/\u521d\u671f\u30c7\u30fc\u30bf\n            dragBoards: false,       \/\/\u30dc\u30fc\u30c9\u306e\u30c9\u30e9\u30c3\u30b0\n            itemAddOptions: {       \/\/\u30bf\u30b9\u30af\u8ffd\u52a0\u7528\u306e\u30dc\u30bf\u30f3\u3092\u8868\u793a\n                enabled: true,                                      \/\/ \u8ffd\u52a0\u30dc\u30bf\u30f3\u8868\u793a\n                content: '+',                                       \/\/ \u30dc\u30bf\u30f3\u30c6\u30ad\u30b9\u30c8\n                class: 'kanban-title-button btn btn-light btn-sm',  \/\/ \u30dc\u30bf\u30f3\u306b\u8a2d\u5b9a\u3059\u308bclass\n                footer: false                                       \/\/ \u8868\u793a\u4f4d\u7f6e\n            },\n            click: function (el) {\n\n            },\n            buttonClick: function (el, boardId) {\n                \/\/ \u5165\u529b\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u6210\u3057\u3066\u30dc\u30fc\u30c9\u306b\u8ffd\u52a0\n                const formItem = document.createElement('form');\n                formItem.innerHTML = ''\n                formItem.innerHTML += '