{"id":29883,"date":"2023-08-12T01:18:00","date_gmt":"2022-12-05T00:39:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90mongodb%e3%80%91mongoose%e5%a4%87%e5%bf%98%e5%8d%95\/"},"modified":"2025-08-12T16:23:43","modified_gmt":"2025-08-12T08:23:43","slug":"%e3%80%90mongodb%e3%80%91mongoose%e5%a4%87%e5%bf%98%e5%8d%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90mongodb%e3%80%91mongoose%e5%a4%87%e5%bf%98%e5%8d%95\/","title":{"rendered":"\u3010mongoDB\u3011Mongoose\u5907\u5fd8\u5355"},"content":{"rendered":"

\u732b\u9f2c\u6307\u7684\u662f\u4ec0\u4e48\uff1f\u53ef\u4ee5\u6784\u5efa\u5177\u6709\u5b9a\u4e49\u4fdd\u5b58\u54ea\u79cd\u7c7b\u578b\u6570\u636e\u7684”\u6a21\u5f0f”\u7684\u6a21\u578b\u3002
\n\u6a21\u578b\u7c7b\u4f3c\u4e8eJavaScript\u4e2d\u7684\u7c7b\u3002
\n\u4f7f\u7528Mongoose\u7684\u6a21\u578b\u53ef\u4ee5\u7ec4\u7ec7\u6570\u636e\u5e93\u67e5\u8be2\u3002<\/p>\n

\u7ecf\u5e38\u4f7f\u7528\u7684\u67e5\u8be2\u65b9\u6cd5<\/p>\n
find<\/span> :<\/span> \u30de\u30c3\u30c1\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u914d\u5217\u3092\u8fd4\u3059<\/span>\u3002<\/span>\r\n\r\nHuman<\/span>.<\/span>find<\/span>({<\/span>name<\/span>:<\/span>\"<\/span>taro<\/span>\"<\/span> },<\/span> (<\/span>err<\/span>,<\/span> result<\/span>)<\/span>=><\/span> {<\/span>\r\n  \/\/\u51e6\u7406\u7d50\u679c<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
findOne: \u8fd4\u56de\u4e00\u4e2a\u4e0d\u662f\u6570\u7ec4\u800c\u662f\u4e00\u4e2a\u6587\u6863\u3002\u4f8b\u5982\uff1aHuman.findOne({name: “Taro”})<\/p>\n
findById: \u8fd4\u56de\u4e0e\u7ed9\u5b9a\u7684ObjectIde\u76f8\u5339\u914d\u7684\u5bf9\u8c61\u3002\u4f8b\u5982\uff1aHuman.findOne(“kjfkajjdfkjagkja”)<\/p>\n
remove: \u5220\u9664\u6570\u636e\u5e93\u4e2d\u7684\u6587\u6863\u3002<\/p>\n
find().pretty(): \u901a\u8fc7\u6dfb\u52a0.pretty()\u6765\u5bf9\u7ed3\u679c\u8fdb\u884c\u7f29\u8fdb\u3002<\/p>\n
\u8fd9\u4e9b\u67e5\u8be2\u8fd4\u56de\u7684\u662f\u4e00\u4e2aPromise\uff0c\u6240\u4ee5\u5728\u7ed3\u679c\u5904\u7406\u4e2d\u9700\u8981\u4f7f\u7528then\u6216catch\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n
\u5728Node.js\u5e94\u7528\u7a0b\u5e8f\u4e2d\u914d\u7f6eMongoose\u3002<\/p>\n
\/\/mongoose\u3092\u30ed\u30fc\u30c9<\/span>\r\nconst<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>mongoose<\/span>\"<\/span>);<\/span>\r\n\/\/\u30c7\u30fc\u30bf\u30fc\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u8a2d\u5b9a<\/span>\r\nmongoose<\/span>.<\/span>connect<\/span>(<\/span>\r\n  \"<\/span>mongodb:\/\/<username>:<password>@localhost:27017\/<dbname><\/span>\"<\/span>,<\/span>\r\n  {<\/span>userNewParser<\/span>:<\/span>true<\/span>}<\/span>\r\n);<\/span>\r\n\r\nmongoose<\/span>.<\/span>set<\/span>(<\/span>\"<\/span>useCreateIndex<\/span>\"<\/span>,<\/span> true<\/span>);<\/span>\r\n\r\n\/\/\u30c7\u30fc\u30bf\u30fc\u30d9\u30fc\u30b9\u3092db\u5909\u6570\u306b\u4ee3\u5165<\/span>\r\nconst<\/span> db<\/span> =<\/span> mongoose<\/span>.<\/span>connection<\/span>;<\/span>\r\n\r\n\/\/\u63a5\u7d9a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ed\u30b0\u306b\u51fa\u529b\u3059\u308b<\/span>\r\ndb<\/span>.<\/span>once<\/span>(<\/span>\"<\/span>open<\/span>\"<\/span>,()<\/span>=><\/span>{<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>success connect<\/span>\"<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u6a21\u5f0f\u901a\u8fc7\u5728mongoose.Schema\u65b9\u6cd5\u7684\u6784\u9020\u51fd\u6570\u4e2d\u63d0\u4f9b\u53c2\u6570\uff08\u5bf9\u8c61\uff09\uff0c\u53ef\u4ee5\u6784\u5efa\u6a21\u5f0f\u5bf9\u8c61\u3002<\/p>\n
const<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>mongoose<\/span>\"<\/span>);<\/span>\r\nconst<\/span> humanSchema<\/span> =<\/span> new<\/span> mongoose<\/span>.<\/span>Schema<\/span>({<\/span>\r\n  name<\/span>:<\/span>String<\/span>,<\/span>\r\n  age<\/span>:<\/span>Number<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
\u5173\u4e8e\u6a21\u5f0f\u6570\u636e\u7c7b\u578b<\/p>\n
\u8bbe\u5b9a\u865a\u62df\u5c5e\u6027<\/p>\n
const<\/span> humanSchema<\/span> =<\/span> new<\/span> mongoose<\/span>.<\/span>Schema<\/span>({<\/span>\r\n  name<\/span>:<\/span>String<\/span>,<\/span>\r\n  age<\/span>:<\/span>Number<\/span>\r\n});<\/span>\r\n\r\nhumanSchema<\/span>.<\/span>virtual<\/span>(<\/span>\"<\/span>info<\/span>\"<\/span>).<\/span>get<\/span>(<\/span>function<\/span> ()<\/span> {<\/span> \/\/\u5b9f\u969b\u306e\u5c5e\u6027\u3068\u3057\u3066\u306f\u30c7\u30fc\u30bf\u30fc\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u306a\u3044\u304c\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u53d6\u308a\u51fa\u305b\u308b\u3002<\/span>\r\n  return<\/span> `<\/span>${<\/span>this<\/span>.<\/span>name<\/span>}<\/span> ${<\/span>this<\/span>.<\/span>age<\/span>}<\/span>`<\/span>;<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
\u8bbe\u5b9a\u9a8c\u8bc1<\/p>\n
\"<\/span>use strict<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>mongoose<\/span>\"<\/span>);<\/span>\r\n\r\nconst<\/span> humanSchema<\/span> =<\/span> new<\/span> mongoose<\/span>.<\/span>Schema<\/span>({<\/span>\r\n  name<\/span>:<\/span> {<\/span>  \/\/name\u306e\u30d0\u30ea\u30e5\u30fc\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u6e21\u3059\u3002<\/span>\r\n    type<\/span>:<\/span> String<\/span>,<\/span>\r\n    required<\/span>:<\/span> true<\/span>,<\/span>  \/\/\u5fc5\u9808<\/span>\r\n    unique<\/span>:<\/span> true<\/span>     \/\/\u30e6\u30cb\u30fc\u30af<\/span>\r\n  },<\/span>\r\n  age<\/span>:<\/span> {<\/span>\r\n    type<\/span>:<\/span> Number<\/span>,<\/span>\r\n    min<\/span>:<\/span> [<\/span>18<\/span>,<\/span> \"<\/span>Too short<\/span>\"<\/span>],<\/span>\/\/\u6700\u5c0f\u5024\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8 \u3092\u8a2d\u5b9a<\/span>\r\n    max<\/span>:<\/span> 99<\/span> \/\/\u6700\u5927\u5024<\/span>\r\n  }<\/span>\r\n});<\/span>\r\n\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> mongoose<\/span>.<\/span>model<\/span>(<\/span>\"<\/span>Human<\/span>\"<\/span>,<\/span> humanSchema<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u5c06\u6a21\u5f0f\u5e94\u7528\u4e8e\u6a21\u578b\u3002<\/p>\n
const<\/span> Human<\/span> =<\/span> mongoose<\/span>.<\/span>model<\/span>(<\/span>\"<\/span>Human<\/span>\"<\/span>,<\/span> humanSchema<\/span>)<\/span>\r\n\/\/mongoose.model\u30e1\u30bd\u30c3\u30c9\u306b(\"\u30e2\u30c7\u30eb\u540d\", \u30b9\u30ad\u30fc\u30de)\u3092\u5f15\u6570\u306b\u4e0e\u3048\u3066\u3001\u5b9f\u4f53\u5316\u3057\u3066Human\u306b\u683c\u7d0d\u3059\u308b\u3002<\/span>\r\n<\/code><\/pre>\n
\u51fa\u53e3<\/p>\n
module<\/span>.<\/span>exports<\/span> =<\/span> mongoose<\/span>.<\/span>model<\/span>(<\/span>\"<\/span>Human<\/span>\"<\/span>,<\/span> humanSchema<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u5728\u6a21\u5f0f\u4e2d\u8bbe\u7f6e\u5b9e\u4f8b\u65b9\u6cd5\uff08\u8bbe\u7f6e\u540d\u4e3a”getInfo”\u7684\u65b9\u6cd5\uff09\u3002<\/p>\n
humanSchema<\/span>.<\/span>methods<\/span>.<\/span>getInfo<\/span> =<\/span> function<\/span> ()<\/span> {<\/span>\r\n  return<\/span> `Name: <\/span>${<\/span>this<\/span>.<\/span>name<\/span>}<\/span> Age: <\/span>${<\/span>this<\/span>.<\/span>age<\/span>}<\/span>`<\/span>;<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u4ece\u6a21\u578b\u521b\u5efa\u5bf9\u8c61\u3002<\/p>\n
\u65b0\u7684 \u2192 \u4fdd\u5b58\u7684\u65b9\u5f0f<\/p>\n
let<\/span> human1<\/span> =<\/span> new<\/span> Human<\/span>({<\/span> \/\/new\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3002<\/span>\r\n  name<\/span>:<\/span> \"<\/span>Taro<\/span>\"<\/span>,<\/span>\r\n  age<\/span>:<\/span>20<\/span>\r\n});<\/span>\r\nhuman1<\/span>.<\/span>save<\/span>((<\/span>error<\/span>,<\/span> savedDocument<\/span>)<\/span> =><\/span> {<\/span>  \/\/save\u30e1\u30bd\u30c3\u30c9\u3067\u4fdd\u5b58<\/span>\r\n  \/\/\u5f15\u6570\u306b\u3001\u30a8\u30e9\u30fc\u51e6\u7406\u3001\u307e\u305f\u306f\u8fd4\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30fc\u306e\u51e6\u7406\u3092\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u6e21\u3059\u3002<\/span>\r\n  if<\/span> (<\/span>error<\/span>){<\/span>\r\n   console<\/span>.<\/span>log<\/span>(<\/span>error<\/span>)<\/span>\r\n  }<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>savedDocument<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u7684\u65b9\u6cd5<\/p>\n
Human<\/span>.<\/span>create<\/span>({<\/span>\r\n  name<\/span>:<\/span> \"<\/span>Taro<\/span>\"<\/span>,<\/span>\r\n  age<\/span>:<\/span>20<\/span>\r\n  },<\/span>\r\n  function<\/span>(<\/span>error<\/span>,<\/span>savedDocument<\/span>){<\/span>\r\n  if<\/span> (<\/span>error<\/span>){<\/span>\r\n   console<\/span>.<\/span>log<\/span>(<\/span>error<\/span>)<\/span>\r\n  }<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>savedDocument<\/span>);<\/span>\r\n  }<\/span>\r\n};<\/span>\r\n\/\/create\u306f\u3001new\u3068save\u3092\u4e00\u6c17\u306b\u884c\u3046\u3002(\u30d1\u30e9\u30e1\u30fc\u30bf, \u30b3\u30fc\u30eb\u30d0\u30c3\u30af)\u304c\u5f15\u6570\u3002<\/span>\r\n<\/code><\/pre>\n
\u8bbe\u7f6e\u94a9\u5b50\u3002<\/p>\n
humanSchema<\/span>.<\/span>pre<\/span>(<\/span>\"<\/span>save<\/span>\"<\/span>,<\/span> function<\/span>(<\/span>next<\/span>)<\/span> {<\/span>\r\n  \/\/save\u3055\u308c\u308b\u524d\u306b\u5b9f\u65bd\u3059\u308b\u51e6\u7406<\/span>\r\n  \/\/\u3053\u306e\u4e2d\u3067\u306ethis\u306f\u547c\u3073\u51fa\u3057\u5143\u3001\u3064\u307e\u308ahumanSchema\u304c\u683c\u7d0d\u3055\u308c\u308b\u3002<\/span>\r\n  next<\/span>();<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5c06\u6a21\u578b\u8fdb\u884c\u7ec4\u7ec7\u5316
\n\u5728\u6a21\u578b\u6587\u4ef6\u4e2d\u5b9a\u4e49\u6a21\u5f0f\u548c\u6a21\u578b\u3002<\/p>\n
const<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>mongoose<\/span>\"<\/span>);<\/span>\r\n\r\nconst<\/span> humanSchema<\/span> =<\/span> mongoose<\/span>.<\/span>Schema<\/span>({<\/span> \/\/mongoose.Schema\u30e1\u30bd\u30c3\u30c9\u3067\u30b9\u30ad\u30fc\u30de\u3092\u4f5c\u308b<\/span>\r\n  name<\/span>:<\/span>String<\/span>,<\/span>\r\n  age<\/span>:<\/span>Number<\/span>\r\n});<\/span>\r\n\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> mongoose<\/span>.<\/span>model<\/span>(<\/span>\"<\/span>Human<\/span>\"<\/span>,<\/span> humanSchema<\/span>);<\/span> \r\n\/\/mongoose.model\u30e1\u30bd\u30c3\u30c9\u3067\u30b9\u30ad\u30fc\u30de\u3092Human\u30e2\u30c7\u30eb\u306b\u9069\u7528\u3057\u30a8\u30af\u30b9\u30dd\u30fc\u30c8<\/span>\r\n<\/code><\/pre>\n
\u4ece\u5176\u4ed6\u6587\u4ef6\u4e2d\u8c03\u7528Human\u6a21\u578b\u3002<\/p>\n
const<\/span> Human<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>.\/models\/human<\/span>\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u5efa\u7acb\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb<\/p>\n
\"<\/span>use strict<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>mongoose<\/span>\"<\/span>);<\/span>\r\n\r\nconst<\/span> humanSchema<\/span> =<\/span> new<\/span> mongoose<\/span>.<\/span>Schema<\/span>({<\/span>\r\n  name<\/span>:<\/span> {<\/span>\r\n    type<\/span>:<\/span> String<\/span>,<\/span>\r\n    required<\/span>:<\/span> true<\/span>,<\/span>\r\n    unique<\/span>:<\/span> true<\/span>\r\n  },<\/span>\r\n  age<\/span>:<\/span> {<\/span>\r\n    type<\/span>:<\/span> Number<\/span>,<\/span>\r\n    min<\/span>:<\/span> [<\/span>18<\/span>,<\/span> \"<\/span>Too short<\/span>\"<\/span>],<\/span>\r\n    max<\/span>:<\/span> 99<\/span> \/\/\u6700\u5927\u5024<\/span>\r\n  }<\/span>\r\n  father<\/span>:<\/span> {<\/span> \/\/Father\u30e2\u30c7\u30eb\u306b\u6240\u5c5e\/\/\u5358\u6570\u5f62<\/span>\r\n    type<\/span>:<\/span> mongoose<\/span>.<\/span>Schema<\/span>.<\/span>Types<\/span>.<\/span>ObjectId<\/span>,<\/span> \/\/\u5916\u90e8\u30ad\u30fc<\/span>\r\n    ref<\/span>:<\/span> \"<\/span>Father<\/span>\"<\/span> \/\/\u53c2\u7167\u30e2\u30c7\u30eb<\/span>\r\n    }<\/span>\r\n  children<\/span>:<\/span> [{<\/span> \/\/Child\u30e2\u30c7\u30eb\u3092\u6240\u6709\/\/\u8907\u6570\u5f62\/\/\u914d\u5217\u30ea\u30c6\u30e9\u30eb\u3067\u56f2\u3080<\/span>\r\n    type<\/span>:<\/span> mongoose<\/span>.<\/span>Scheme<\/span>.<\/span>Types<\/span>.<\/span>ObnectId<\/span>,<\/span>\r\n    ref<\/span>:<\/span> \"<\/span>Child<\/span>\"<\/span>\r\n    }]<\/span>\r\n});<\/span>\r\n\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> mongoose<\/span>.<\/span>model<\/span>(<\/span>\"<\/span>Human<\/span>\"<\/span>,<\/span> humanSchema<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u5b9e\u9645\u4e0a\u5c06\u6587\u6863\u4e92\u76f8\u5173\u8054<\/p>\n
\/\/\u6240\u6709\u306e\u5834\u5408<\/span>\r\nhuman1<\/span>.<\/span>children<\/span>.<\/span>push<\/span>(<\/span>child1<\/span>);<\/span>\r\nhuman1<\/span>.<\/span>save<\/span>();<\/span>\r\n \/\/human1\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306echildren\u30d7\u30ed\u30d1\u30c6\u30a3\u306bchild1\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8ffd\u52a0<\/span>\r\n\/\/\u3082\u3057\u304f\u306f\u3001\u76f4\u63a5ObjectID\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/span>\r\nhuman1<\/span>.<\/span>children<\/span>.<\/span>push<\/span>(<\/span>\"<\/span>\u30aa\u30d6\u30b8\u30a7\u30c8ID<\/span>\"<\/span>);<\/span>\r\nhuman1<\/span>.<\/span>save<\/span>();<\/span>\r\n\r\n\/\/\u6240\u5c5e\u306e\u5834\u5408<\/span>\r\nhuman1<\/span>.<\/span>father<\/span> =<\/span> father1<\/span>;<\/span>\r\nhuman1<\/span>.<\/span>save<\/span>();<\/span>\r\n<\/code><\/pre>\n
\u83b7\u53d6\u76f8\u5173\u7684\u6587\u4ef6\u3002<\/p>\n
Human<\/span>.<\/span>populate<\/span>(<\/span>human1<\/span>,<\/span> \"<\/span>children<\/span>\"<\/span>);<\/span> \/\/human1\u306b\u7d10\u3065\u304fchild\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u9023\u7d50\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5316\u3059\u308b\u3002<\/span>\r\n<\/code><\/pre>\n
\u9009\u62e9\u5173\u8054\u7684\u6587\u4ef6\uff0c\u5e76\u6307\u5b9a\u76f8\u5173\u8054\u7684\u4eb2\u5c5e\u3002<\/p>\n
Human<\/span>.<\/span>findOne<\/span>({<\/span> name<\/span>:<\/span> \"<\/span>taro<\/span>\"<\/span> }).<\/span>populate<\/span>({<\/span>\"<\/span>children<\/span>\"<\/span> }).<\/span>exec<\/span>((<\/span>error<\/span>,<\/span> data<\/span>)<\/span> =><\/span> {<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>data<\/span>);<\/span>\r\n}<\/span>\r\n)<\/span>\r\n<\/code><\/pre>\n
\u5728\u6570\u636e\u5e93\u4e2d\u641c\u7d22\u6587\u6863\u3002<\/p>\n
const<\/span> Human<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>.\/models\/human<\/span>\"<\/span>);<\/span>\r\n\r\nHuman<\/span>.<\/span>findOne<\/span>({<\/span>name<\/span>:<\/span>\"<\/span>Taro<\/span>\"<\/span>}).<\/span>where<\/span>(<\/span>\"<\/span>age<\/span>\"<\/span>:<\/span>20<\/span>);<\/span>\r\n\/\/findOne(\u5408\u81f4\u3059\u308b\u3082\u306e\u3092\u53d6\u5f97).where(\u7d5e\u308a\u8fbc\u307f\u6761\u4ef6);<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u67e5\u8be2<\/p>\n
let<\/span> query<\/span> =<\/span> Human<\/span>.<\/span>findOne<\/span>({<\/span>name<\/span>:<\/span>\"<\/span>Taro<\/span>\"<\/span>}).<\/span>where<\/span>(<\/span>\"<\/span>age<\/span>\"<\/span>:<\/span>20<\/span>);<\/span>\r\n\r\nquery<\/span>.<\/span>exec<\/span>((<\/span>error<\/span>,<\/span> data<\/span>)<\/span>=><\/span>{<\/span>  \/\/exec\u3067\u5b9f\u884c\u3057\u3001\u51e6\u7406\u3092\u5f15\u6570\u306b\u3068\u308b\u3002\u8fd4\u308b\u30c7\u30fc\u30bf\u306fdata\u306b\u6e21\u3059\u3002<\/span>\r\n  if<\/span>(<\/span>data<\/span>){<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>data<\/span>.<\/span>name<\/span>)<\/span>\r\n  }<\/span>\r\n);<\/span>\r\n<\/code><\/pre>\n
\u540c\u65f6\u8fdb\u884c\u641c\u7d22\u548c\u66f4\u65b0<\/p>\n
 <<\/span>\u30e2\u30c7\u30eb<\/span>><\/span>.<\/span>findByIdAndUpdate<\/span>(<\/span><<\/span>id<\/span>><\/span>,<\/span> {<\/span>\r\n      $set<\/span>:<\/span> <<\/span>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/span>><\/span>\/\/$set\u306e\u30d0\u30ea\u30e5\u30fc\u306e\u5024\u3067\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/span>\r\n    })<\/span>\r\n<\/code><\/pre>\n
\u540c\u65f6\u8fdb\u884c\u641c\u7d22\u548c\u5220\u9664<\/p>\n
<<\/span>\u30e2\u30c7\u30eb<\/span>><\/span>.<\/span>findByIdAndRemove<\/span>(<\/span><<\/span>id<\/span>><\/span>)<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528Promise\u7684\u8bbe\u7f6e<\/p>\n
mongoose<\/span>.<\/span>Promise<\/span> =<\/span> global<\/span>.<\/span>Promise<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u79cd\u5b50\u6a21\u5757<\/p>\n
const<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>mongoose<\/span>\"<\/span>);<\/span> \/\/\u30e2\u30b8\u30e5\u30fc\u30eb\u30ed\u30fc\u30c9<\/span>\r\n\r\nconst<\/span> Human<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>.\/models\/Human.js<\/span>\"<\/span>);<\/span>\r\n\/\/\u4fdd\u5b58\u3059\u308b\u30e2\u30c7\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u5fc5\u8981<\/span>\r\n\r\nmongoose<\/span>.<\/span>connect<\/span>(<\/span>  \/\/\u63a5\u7d9a\u8a2d\u5b9a<\/span>\r\n  \"<\/span>mongodb:\/\/localhost:27017\/my_db<\/span>\"<\/span>,<\/span>\r\n  {<\/span>userNewParser<\/span>:<\/span>true<\/span>}<\/span>\r\n);<\/span>\r\n\r\nmongoose<\/span>.<\/span>set<\/span>(<\/span>\"<\/span>useCreateIndex<\/span>\"<\/span>,<\/span> true<\/span>);<\/span>\r\n\r\nmongoose<\/span>.<\/span>connection<\/span>;<\/span>\r\n\r\nconst<\/span> humans<\/span> =<\/span> [<\/span> \/\/\u30b7\u30fc\u30c9\u30c7\u30fc\u30bf\u30fc<\/span>\r\n  {<\/span>name<\/span>:<\/span>\"<\/span>Taro<\/span>\"<\/span>,<\/span>\r\n   age<\/span>:<\/span>20<\/span>\r\n  },<\/span>\r\n  {<\/span>name<\/span>:<\/span>\"<\/span>Ken<\/span>\"<\/span>,<\/span>\r\n   age<\/span>:<\/span>30<\/span>\r\n  },<\/span>\r\n  {<\/span>name<\/span>:<\/span>\"<\/span>Jiro<\/span>\"<\/span>,<\/span>\r\n   age<\/span>:<\/span>40<\/span>\r\n  }<\/span>\r\n];<\/span>\r\n\r\nHuman<\/span>.<\/span>deleteMany<\/span>()<\/span> \/\/\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u3092\u30af\u30ea\u30a2<\/span>\r\n  .<\/span>exec<\/span>()<\/span>\r\n  .<\/span>then<\/span>(()<\/span> =><\/span> {<\/span>\r\n     console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>Empty<\/span>\"<\/span>);<\/span> \/\/\u78ba\u8a8d\u7528\u30ed\u30b0<\/span>\r\n  });<\/span>\r\n\r\nlet<\/span> commands<\/span> =<\/span> [];<\/span> \/\/\u30b7\u30fc\u30c0\u30fc\u914d\u5217\u7528<\/span>\r\n\r\nhumans<\/span>.<\/span>forEeach<\/span>((<\/span>c<\/span>)<\/span>=><\/span> {<\/span> \/\/commands\u914d\u5217\u306b\u30b7\u30fc\u30c0\u30fc\u3092\u30eb\u30fc\u30d7\u3067\u5168\u3066\u8ffd\u52a0<\/span>\r\n  commands<\/span>.<\/span>push<\/span>(<\/span>Human<\/span>.<\/span>create<\/span>({<\/span>\r\n    name<\/span>:<\/span>c<\/span>.<\/span>name<\/span>,<\/span>\r\n    email<\/span>:<\/span>c<\/span>.<\/span>age<\/span>\r\n    }));<\/span>\r\n});<\/span>\r\n\r\nPromise<\/span>.<\/span>all<\/span>(<\/span>commands<\/span>)<\/span> \/\/\u5168\u3066\u306e\u30d7\u30ed\u30df\u30b9\u89e3\u6c7a\u5f8c\u306e\u51e6\u7406<\/span>\r\n  .<\/span>then<\/span>(<\/span>r<\/span> =><\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>JSON<\/span>.<\/span>stringify<\/span>(<\/span>r<\/span>));<\/span>\r\n    mongoose<\/span>.<\/span>connection<\/span>.<\/span>close<\/span>();<\/span>\r\n  })<\/span>\r\n  .<\/span>catch<\/span>(<\/span>error<\/span> =><\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>$error<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u732b\u9f2c\u6307\u7684\u662f\u4ec0\u4e48\uff1f\u53ef\u4ee5\u6784\u5efa\u5177\u6709\u5b9a\u4e49\u4fdd\u5b58\u54ea\u79cd\u7c7b\u578b\u6570\u636e\u7684”\u6a21\u5f0f”\u7684\u6a21\u578b\u3002 \u6a21\u578b\u7c7b\u4f3c\u4e8eJava […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29883","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u3010mongoDB\u3011Mongoose\u5907\u5fd8\u5355 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010mongoDB\u3011Mongoose\u5907\u5fd8\u5355\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010mongodb\u3011mongoose\u5907\u5fd8\u5355\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010mongoDB\u3011Mongoose\u5907\u5fd8\u5355\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010mongoDB\u3011Mongoose\u5907\u5fd8\u5355\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010mongodb\u3011mongoose\u5907\u5fd8\u5355\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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