{"id":644,"date":"2023-12-06T21:52:28","date_gmt":"2022-10-05T22:20:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/mongodb%e7%9a%84findandmodify%e5%87%bd%e6%95%b0%e7%a4%ba%e4%be%8b\/"},"modified":"2025-08-03T00:42:50","modified_gmt":"2025-08-02T16:42:50","slug":"mongodb%e7%9a%84findandmodify%e5%87%bd%e6%95%b0%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb%e7%9a%84findandmodify%e5%87%bd%e6%95%b0%e7%a4%ba%e4%be%8b\/","title":{"rendered":"\u638c\u63e1MongoDB findAndModify()\u51fd\u6570\uff1a5\u4e2a\u5b9e\u7528\u793a\u4f8b\u6559\u7a0b"},"content":{"rendered":"

MongoDB\u7684findAndModify()\u65b9\u6cd5\u6839\u636e\u8f93\u5165\u7684\u9009\u62e9\u6761\u4ef6\u4fee\u6539\u5e76\u8fd4\u56de\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u6863\u3002\u8fd4\u56de\u7684\u6587\u6863\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u663e\u793a\u66f4\u65b0\u540e\u7684\u5185\u5bb9\u3002\u5982\u679c\u6570\u636e\u5e93\u4e2d\u4e0d\u5b58\u5728\u6ee1\u8db3\u6761\u4ef6\u7684\u8bb0\u5f55\uff0c\u5e76\u4e14upsert\u53c2\u6570\u8bbe\u7f6e\u4e3atrue\uff0c\u5c06\u4f1a\u63d2\u5165\u4e00\u6761\u65b0\u7684\u8bb0\u5f55\u3002<\/p>\n

MongoDB\u7684findAndModify()\u51fd\u6570<\/h2>\n

mongodb\u7684findAndModify\u65b9\u6cd5\u7684\u8bed\u6cd5\u5982\u4e0b\u3002<\/p>\n

db.collection.findAndModify({\r\n    query: <document>,\r\n    sort: <document>,\r\n    new: <boolean>,\r\n    fields: <document>,\r\n    upsert: <boolean>\r\n})\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u53c2\u6570\u7684\u63cf\u8ff0\u3002<\/p>\n
    \n
  • \u67e5\u8be2(query)\uff1a<\/strong>\u5b9a\u4e49\u4e86\u9700\u8981\u4fee\u6539\u7684\u8bb0\u5f55\u7684\u9009\u62e9\u6761\u4ef6\u3002<\/li>\n
  • \u6392\u5e8f(sort)\uff1a<\/strong>\u786e\u5b9a\u5f53\u9009\u62e9\u6761\u4ef6\u68c0\u7d22\u5230\u591a\u4e2a\u6587\u6863\u65f6\u5e94\u8be5\u4fee\u6539\u54ea\u4e2a\u6587\u6863\u3002<\/li>\n
  • \u65b0\u5efa(new)\uff1a<\/strong>\u8868\u793a\u5c06\u663e\u793a\u4fee\u6539\u540e\u7684\u6587\u6863\u3002<\/li>\n
  • \u5b57\u6bb5(fields)\uff1a<\/strong>\u6307\u5b9a\u8981\u8fd4\u56de\u7684\u5b57\u6bb5\u96c6\u3002<\/li>\n
  • \u63d2\u5165\u66f4\u65b0(upsert)\uff1a<\/strong>\u5982\u679c\u9009\u62e9\u6761\u4ef6\u672a\u80fd\u68c0\u7d22\u5230\u6587\u6863\uff0c\u5219\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u6863\u3002<\/li>\n<\/ul>\n
    MongoDB findAndModify\u7684\u91cd\u8981\u70b9\u5982\u4e0b\uff1a<\/h3>\n
      \n
    • findAndModify\u662f\u4e00\u4e2a\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5728\u5355\u4e2a\u64cd\u4f5c\u4e2d\u627e\u5230\u5e76\u4fee\u6539\u6587\u6863\u3002<\/li>\n
    • \u5b83\u53ef\u4ee5\u7528\u6765\u66f4\u65b0\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u503c\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u66ff\u6362\u6574\u4e2a\u6587\u6863\u3002<\/li>\n
    • \u901a\u8fc7\u6307\u5b9a\u67e5\u8be2\u6761\u4ef6\uff0c\u53ef\u4ee5\u9650\u5b9a\u8981\u66f4\u6539\u7684\u6587\u6863\u8303\u56f4\u3002<\/li>\n
    • \u64cd\u4f5c\u53ef\u4ee5\u8fd4\u56de\u4fee\u6539\u524d\u7684\u6587\u6863\u6216\u4fee\u6539\u540e\u7684\u6587\u6863\uff0c\u4e5f\u53ef\u4ee5\u53ea\u8fd4\u56de\u4fee\u6539\u524d\/\u540e\u7684\u67d0\u4e9b\u5b57\u6bb5\u3002<\/li>\n
    • findAndModify\u53ef\u4ee5\u4fdd\u8bc1\u5728\u5e76\u53d1\u60c5\u51b5\u4e0b\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n
    • \u5b83\u8fd8\u652f\u6301\u5bf9\u591a\u4e2a\u6587\u6863\u8fdb\u884c\u6279\u91cf\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u9009\u9879\u6765\u6307\u5b9a\u5177\u4f53\u7684\u6392\u5e8f\u548c\u9650\u5236\u6761\u4ef6\u3002<\/li>\n<\/ul>\n
      \u4f7f\u7528findAndModify MongoDB\u8c03\u7528\u65f6\u9700\u8981\u8bb0\u4f4f\u7684\u4e00\u4e9b\u4e8b\u9879\u6709\uff1a<\/p>\n
        \n
      • \u5982\u679c\u8f93\u5165\u7684\u9009\u62e9\u6761\u4ef6\u6ca1\u6709\u83b7\u53d6\u5230\u4efb\u4f55\u6587\u6863\uff0c\u5e76\u4e14upsert\u8bbe\u7f6e\u4e3atrue\uff0c\u90a3\u4e48\u6307\u5b9a\u7684\u503c\u5c06\u88ab\u63d2\u5165\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u6863\u3002<\/li>\n
      • \u5982\u679c\u5728\u6267\u884c\u66f4\u65b0\u6216\u5220\u9664\u64cd\u4f5c\u65f6\uff0c\u8f93\u5165\u7684\u9009\u62e9\u6761\u4ef6\u6ca1\u6709\u83b7\u53d6\u5230\u4efb\u4f55\u6587\u6863\uff0c\u5219\u8fd4\u56de\u7684\u8f93\u51fa\u4e3anull\u3002<\/li>\n
      • \u5982\u679cnew\u9009\u9879\u8bbe\u7f6e\u4e3afalse\u4e14\u672a\u63d0\u53ca\u6392\u5e8f\u64cd\u4f5c\uff0c\u5219\u8fd4\u56de\u7684\u8f93\u51fa\u4e3anull\u3002<\/li>\n
      • \u5982\u679cnew\u9009\u9879\u8bbe\u7f6e\u4e3afalse\u4e14\u6307\u5b9a\u4e86\u6392\u5e8f\u64cd\u4f5c\uff0c\u5219\u8f93\u51fa\u4e3a\u7a7a\u3002<\/li>\n<\/ul>\n
        MongoDB\u67e5\u627e\u548c\u4fee\u6539\u793a\u4f8b<\/h3>\n
        \u73b0\u5728\u8ba9\u6211\u4eec\u770b\u4e00\u4e9b\u4f7f\u7528findAndModify API\u7684\u793a\u4f8b\u3002\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e9b\u6d4b\u8bd5\u6570\u636e\u6765\u5f00\u59cb\u3002\u6211\u4eec\u5c06\u901a\u8fc7mongo\u63a7\u5236\u53f0\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u540d\u5b57\u3001\u989c\u8272\u3001\u8f66\u724c\u53f7\u3001\u901f\u5ea6\u548c\u5236\u9020\u56fd\u5bb6\u5b57\u6bb5\u7684\u65b0\u8f66\u6587\u6863\u3002<\/p>\n
        db.car.insert(\r\n[\r\n{ _id: 1, name: \"Alto\", color: \"Red\",cno: \"H410\",speed:40,mfdcountry: \"India\"},\r\n{ _id: 2, name: \"Polo\", color: \"White\",cno: \"H411\",speed:45,mfdcountry: \"Japan\" },\r\n{ _id: 3, name: \"Audi\", color: \"Black\",cno: \"H412\",speed:50,mfdcountry: \"Germany\" }\r\n]\r\n)\r\n<\/code><\/pre>\n
        \u8ba9\u6211\u4eec\u73b0\u5728\u4f7f\u7528MongoDB\u7684\u67e5\u627e\u529f\u80fd\u6765\u9a8c\u8bc1\u6570\u636e\u662f\u5426\u786e\u5b9e\u88ab\u63d2\u5165\u4e86\u3002<\/p>\n
        db.car.find()\r\n{ \"_id\" : 1, \"name\" : \"Alto\", \"color\" : \"Red\", \"cno\" : \"H410\", \"speed\" : 40, \"mfdcountry\" : \"India\" }\r\n{ \"_id\" : 2, \"name\" : \"Polo\", \"color\" : \"White\", \"cno\" : \"H411\", \"speed\" : 45, \"mfdcountry\" : \"Japan\" }\r\n{ \"_id\" : 3, \"name\" : \"Audi\", \"color\" : \"Black\", \"cno\" : \"H412\", \"speed\" : 50, \"mfdcountry\" : \"Germany\" }\r\n<\/code><\/pre>\n
        \u8f6c\u5230 find \u548c modify \u7684\u5b9e\u9645\u7528\u6cd5\uff0c\u6211\u4eec\u63cf\u8ff0\u4e86\u4e0d\u540c\u7684\u53ef\u80fd\u6027\u3002\u60c5\u51b51\uff1a\u8be5\u6587\u6863\u5728\u6570\u636e\u5e93\u4e2d\u5b58\u5728\u3002<\/p>\n
        db.car.findAndModify({\r\nquery: { name: \"Alto\" },\r\nsort: { cno: 1 },\r\nupdate: { $inc: { speed: 10 } },\r\n})\r\n<\/code><\/pre>\n
          \n
        1. \u67e5\u8be2\u5728\u6c7d\u8f66\u96c6\u5408\u4e2d\u627e\u5230\u4e00\u4e2aname\u5b57\u6bb5\u503c\u4e3aAlto\u7684\u6587\u6863\u3002<\/li>\n
        2. \u6392\u5e8f\u6309\u67e5\u8be2\u7ed3\u679c\u5347\u5e8f\u6392\u5217\u3002\u5982\u679c\u6709\u591a\u4e2a\u6587\u6863\u6ee1\u8db3\u67e5\u8be2\u6761\u4ef6\uff0c\u8be5\u65b9\u6cd5\u5c06\u9009\u62e9\u6309\u6b64\u6392\u5e8f\u987a\u5e8f\u8fdb\u884c\u4fee\u6539\u7684\u7b2c\u4e00\u4e2a\u6587\u6863\u3002<\/li>\n
        3. \u66f4\u65b0\u5c06speed\u5b57\u6bb5\u7684\u503c\u589e\u52a010\u3002<\/li>\n
        4. \u8be5\u65b9\u6cd5\u8fd4\u56de\u88ab\u9009\u4e2d\u8fdb\u884c\u6b64\u6b21\u66f4\u65b0\u7684\u539f\u59cb\u6587\u6863\u3002<\/li>\n<\/ol>\n
          \u8f93\u51fa:<\/p>\n
          {\r\n\"_id\" : 1,\r\n\"name\" : \"Alto\",\r\n\"color\" : \"Red\",\r\n\"cno\" : \"H410\",\r\n\"speed\" : 40,\r\n\"mfdcountry\" : \"India\"\r\n}\r\n<\/code><\/pre>\n
          \u60c5\u51b52\uff1a\u65b0\u7684\u9009\u9879\u8bbe\u7f6e\u4e3a\u771f\uff08\u8fd4\u56de\u66f4\u65b0\u540e\u7684\u6570\u636e\u96c6\uff09<\/p>\n
          db.car.findAndModify({\r\nquery: { name: \"HondaCity\", color: \"Silver\", cno:\"H415\" ,speed: 25 },\r\nsort: { cno: 1 },\r\nupdate: { $inc: { speed: 20 } },\r\nupsert: true,\r\nnew: true\r\n})\r\n<\/code><\/pre>\n
          \u8f93\u51fa\uff1a<\/p>\n
          {\r\n\"_id\" : ObjectId(\"546c9f347256eabc40c9da1c\"),\r\n\"cno\" : \"H415\",\r\n\"color\" : \"Silver\",\r\n\"name\" : \"HondaCity\",\r\n\"speed\" : 45\r\n}\r\n<\/code><\/pre>\n
          \u8bf7\u6ce8\u610f\uff0c\u901f\u5ea6\u663e\u793a\u7684\u503c\u4e3a45\uff0c\u8fd9\u662f\u6211\u4eec\u5c06new\u8bbe\u7f6e\u4e3atrue\u540e\u7684\u66f4\u65b0\u503c\u3002\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u7684\u8bdd\uff0c\u901f\u5ea6\u5b57\u6bb5\u5c06\u663e\u793a\u4e3a20\uff0c\u5373\u4f7f\u5b83\u5728\u6570\u636e\u5e93\u4e2d\u5f97\u5230\u4e86\u66f4\u65b0\u3002<\/p>\n
          \u60c5\u51b53\uff1a\u8bbe\u7f6eupsert\u4e3atrue\u3002<\/p>\n
          db.car.findAndModify({\r\nquery: { name: \"WagonR\" },\r\nsort: { cno: 1 },\r\nupdate: { $inc: { speed: 5 } },\r\nupsert: true<\/strong>\r\n})\r\n<\/code><\/pre>\n
          \u7ed3\u679c\uff1a<\/p>\n
          db.car.find();\r\n{ \"_id\" : 1, \"name\" : \"Alto\", \"color\" : \"Red\", \"cno\" : \"H410\", \"speed\" : 50, \"mfdcountry\" : \"India\" }\r\n{ \"_id\" : 2, \"name\" : \"Polo\", \"color\" : \"White\", \"cno\" : \"H411\", \"speed\" : 45, \"mfdcountry\" : \"Japan\" }\r\n{ \"_id\" : 3, \"name\" : \"Audi\", \"color\" : \"Black\", \"cno\" : \"H412\", \"speed\" : 50, \"mfdcountry\" : \"Germany\" }\r\n{ \"_id\" : ObjectId(\"546c7c7d6be0faf69ee36546\"), \"name\" : \"WagonR\", \"speed\" : 5 }\r\n<\/code><\/pre>\n
          \u5982\u679c\u6570\u636e\u5e93\u4e2d\u6ca1\u6709WagonR\u7684\u8f66\u540d\uff0c\u5219\u4f1a\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u6863\u3002\u5982\u679c\u6307\u5b9a\u4e86\u6392\u5e8f\u9009\u9879\uff0c\u8be5\u65b9\u6cd5\u5c06\u8fd4\u56de\u4e00\u4e2a\u7a7a\u6587\u6863{}\u3002\u5982\u679c\u4e0d\u5305\u542b\u6392\u5e8f\u9009\u9879\uff0c\u5219\u8be5\u65b9\u6cd5\u5c06\u8fd4\u56denull\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8fdb\u884c\u6392\u5e8f\u548c\u5220\u9664\u64cd\u4f5c\u3002\u5982\u679c\u5c06\u5220\u9664\u5b57\u6bb5\u8bbe\u7f6e\u4e3atrue\uff0c\u5219\u5c06\u4ece\u6570\u636e\u5e93\u4e2d\u5220\u9664\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u7684\u8f66\u540d\u3002<\/p>\n
          db.car.findAndModify(\r\n{\r\nquery: { name: \"Alto\" },\r\nsort: { cno: 1 },\r\nremove: true\r\n}\r\n)\r\n<\/code><\/pre>\n
          \u8f93\u51fa\uff1a<\/p>\n
          {\r\n\"_id\" : 1,\r\n\"name\" : \"Alto\",\r\n\"color\" : \"Red\",\r\n\"cno\" : \"H410\",\r\n\"speed\" : 50,\r\n\"mfdcountry\" : \"India\"\r\n}\r\n<\/code><\/pre>\n
          \u5f53remove\u5b57\u6bb5\u8bbe\u7f6e\u4e3atrue\u65f6\uff0c\u540d\u79f0\u4e3a”Alto”\u7684\u6587\u6863\u5c06\u4ece\u6570\u636e\u5e93\u4e2d\u88ab\u5220\u9664\u3002<\/p>\n
          MongoDB findAndModify Java \u793a\u4f8b<\/h3>\n
          \u4e0a\u8ff0\u64cd\u4f5c\u5b8c\u5168\u662f\u4f7f\u7528Mongo Shell\u624b\u52a8\u6267\u884c\u7684\u3002\u540c\u6837\u7684\u64cd\u4f5c\u4e5f\u53ef\u4ee5\u5728Java\u7a0b\u5e8f\u4e2d\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u5b8c\u6210\uff0c\u5177\u4f53\u5982\u4e0b\u3002\u9996\u5148\uff0c\u4e0b\u8f7dMongo\u9a71\u52a8\u7a0b\u5e8fjar\u6587\u4ef6\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u7c7b\u8def\u5f84\u4e2d\u3002\u7136\u540e\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Mongo\u5ba2\u6237\u7aef\u5efa\u7acb\u4e0eMongoDB\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002\u8fde\u63a5\u65f6\u9700\u8981\u6307\u5b9a\u6570\u636e\u5e93\u7684\u540d\u79f0\u4f5c\u4e3a\u53c2\u6570\u3002\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5c06\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93\u3002\u4e4b\u540e\uff0c\u6211\u4eec\u5c06\u5411\u6570\u636e\u5e93\u6dfb\u52a0\u4e00\u4e9b\u8bb0\u5f55\uff0c\u5e76\u8fdb\u884c”findAndModify”\u64cd\u4f5c\uff0c\u7136\u540e\u9a8c\u8bc1\u8bb0\u5f55\u662f\u5426\u88ab\u5b9e\u9645\u66f4\u65b0\u3002\u4ee5\u4e0b\u7a0b\u5e8f\u9002\u7528\u4e8eMongo Java\u9a71\u52a8\u7a0b\u5e8f\u7248\u672c2.x\u3002<\/p>\n
          package com.Olivia.mongodb;\r\n\r\nimport java.net.UnknownHostException;\r\n\r\nimport com.mongodb.BasicDBObject;\r\nimport com.mongodb.DB;\r\nimport com.mongodb.DBCollection;\r\nimport com.mongodb.DBCursor;\r\nimport com.mongodb.DBObject;\r\nimport com.mongodb.MongoClient;\r\n\r\npublic class MongoDBFindAndModify {\r\n\r\n\tpublic static void main(String[] args) throws UnknownHostException {\r\n\t\t\/\/ \u83b7\u53d6\u65b0\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5047\u8bbe\u6570\u636e\u5e93\u6b63\u5728\u8fd0\u884c\r\n\t\tMongoClient mongoClient = new MongoClient(\"localhost\");\r\n\t\t\/\/ \u4f7f\u7528test\u4f5c\u4e3a\u6570\u636e\u5e93\u540d\u3002\u5728\u8fd9\u91cc\u4f7f\u7528\u4f60\u81ea\u5df1\u7684\u6570\u636e\u5e93\u3002\r\n\t\tDB db = mongoClient.getDB(\"test\");\r\n\r\n\t\tDBCollection coll = db.getCollection(\"car\");\r\n\t\t\r\n\t\t\/\/ \u63d2\u5165\u4e00\u4e9b\u6d4b\u8bd5\u6570\u636e\u4f5c\u4e3a\u5f00\u59cb\r\n\t\tBasicDBObject obj = new BasicDBObject();\r\n\t\tobj.append(\"name\", \"Volkswagen\");\r\n\t\tobj.append(\"color\", \"JetBlue\");\r\n\t\tobj.append(\"cno\", \"H672\");\r\n\t\tobj.append(\"speed\", 62);\r\n\t\tobj.append(\"mfdcountry\", \"Italy\");\r\n\t\tcoll.insert(obj);\r\n\t\t\r\n\t\t\/\/ findAndModify\u64cd\u4f5c\u3002\u5c06\u901f\u5ea6\u5c0f\u4e8e45\u7684\u6c7d\u8f66\u7684\u989c\u8272\u66f4\u65b0\u4e3a\u84dd\u8272\r\n\t\tDBObject query = new BasicDBObject(\"speed\",\r\n\t\t\t\tnew BasicDBObject(\"$lt\", 45));\r\n\t\tDBObject update = new BasicDBObject();\r\n\t\tupdate.put(\"$set\", new BasicDBObject(\"color\", \"Blue\"));\r\n\t\tDBCursor cursor = coll.find();\r\n\t\ttry {\r\n\t\t\twhile (cursor.hasNext()) {\r\n\t\t\t\tSystem.out.println(cursor.next());\r\n\t\t\t}\r\n\t\t} finally {\r\n\t\t\tcursor.close();\r\n\t\t}\r\n\t\tcoll.findAndModify(query, update);\r\n\t}\r\n}\r\n<\/code><\/pre>\n
          \u8f93\u51fa\uff1a<\/p>\n
          \/\/\u63d2\u5165\u524d\u7684\u6d4b\u8bd5\u6570\u636e\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n\r\n\r\n\/\/\u63d2\u5165\u540e\u7684\u6d4b\u8bd5\u6570\u636e\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n{ \"_id\" : { \"$oid\" : \"546cc76093f404729e2e946e\"} , \"name\" : \"Volkswagen\" , \"color\" : \"JetBlue\" , \"cno\" : \"H672\" , \"speed\" : 62 , \"mfdcountry\" : \"Italy\"}\r\n\r\n\r\n\/\/findAndModify\u64cd\u4f5c\u524d\u7684\u6d4b\u8bd5\u6570\u636e\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n{ \"_id\" : { \"$oid\" : \"546cc76093f404729e2e946e\"} , \"name\" : \"Volkswagen\" , \"color\" : \"JetBlue\" , \"cno\" : \"H672\" , \"speed\" : 62 , \"mfdcountry\" : \"Italy\"}\r\n{ \"_id\" : { \"$oid\" : \"546c7c7d6be0faf69ee36546\"} , \"name\" : \"WagonR\" , \"speed\" : 5.0}\r\n\r\n\r\n\/\/findAndModify\u64cd\u4f5c\u540e\u7684\u6d4b\u8bd5\u6570\u636e\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n{ \"_id\" : { \"$oid\" : \"546cc76093f404729e2e946e\"} , \"name\" : \"Volkswagen\" , \"color\" : \"JetBlue\" , \"cno\" : \"H672\" , \"speed\" : 62 , \"mfdcountry\" : \"Italy\"}\r\n{ \"_id\" : { \"$oid\" : \"546c7c7d6be0faf69ee36546\"} , \"name\" : \"WagonR\" , \"speed\" : 5.0 , \"color\" : \"Blue\"}\r\n<\/code><\/pre>\n
          \u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528MongoDB\u7684Java\u9a71\u52a8\u7a0b\u5e8f\u7248\u672c3.x\uff0c\u90a3\u4e48\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5e8f\u3002<\/p>\n
          package com.Olivia.mongodb.main;\r\n\r\nimport java.net.UnknownHostException;\r\n\r\nimport org.bson.Document;\r\nimport org.bson.conversions.Bson;\r\n\r\nimport com.mongodb.MongoClient;\r\nimport com.mongodb.client.FindIterable;\r\nimport com.mongodb.client.MongoCollection;\r\nimport com.mongodb.client.MongoDatabase;\r\n \r\npublic class MongoDBFindAndModify {\r\n \r\n    public static void main(String[] args) throws UnknownHostException {\r\n        \/\/ \u83b7\u53d6\u6570\u636e\u5e93\u7684\u65b0\u8fde\u63a5\uff0c\u5047\u8bbe\u6570\u636e\u5e93\u6b63\u5728\u8fd0\u884c\r\n        MongoClient mongoClient = new MongoClient(\"localhost\");\r\n        \r\n        \/\/ \u4f7f\u7528test\u4f5c\u4e3a\u6570\u636e\u5e93\u3002\u5728\u8fd9\u91cc\u4f7f\u7528\u4f60\u7684\u6570\u636e\u5e93\u3002\r\n        MongoDatabase db = mongoClient.getDatabase(\"test\");\r\n \r\n        MongoCollection<Document> coll = db.getCollection(\"car\");\r\n         \r\n        \/\/ \u9996\u5148\u63d2\u5165\u4e00\u4e9b\u6d4b\u8bd5\u6570\u636e\r\n        Document obj = new Document();\r\n        obj.append(\"name\", \"Volkswagen\");\r\n        obj.append(\"color\", \"JetBlue\");\r\n        obj.append(\"cno\", \"H672\");\r\n        obj.append(\"speed\", 62);\r\n        obj.append(\"mfdcountry\", \"Italy\");\r\n        coll.insertOne(obj);\r\n         \r\n        \/\/ findAndModify\u64cd\u4f5c\u3002\u5c06\u901f\u5ea6\u5927\u4e8e45\u7684\u6c7d\u8f66\u7684\u989c\u8272\u66f4\u65b0\u4e3a\u84dd\u8272\r\n        Bson query = new Document(\"speed\",\r\n                new Document(\"$gt\", 45));\r\n        Bson update = new Document(\"$set\", \r\n\t\t\t\t\tnew Document(\"color\", \"Blue\"));\r\n        \r\n        System.out.println(\"\u66f4\u65b0\u524d\");\r\n        findAndPrint(coll);\r\n        \r\n        coll.findOneAndUpdate(query, update);\r\n        \r\n        System.out.println(\"\u66f4\u65b0\u989c\u8272\u5b57\u6bb5\u540e\");\r\n        findAndPrint(coll);\r\n        \r\n        mongoClient.close();\r\n\r\n    }\r\n\r\n\tprivate static void findAndPrint(MongoCollection<Document> coll) {\r\n\t\tFindIterable<Document> cursor = coll.find();\r\n        \r\n\t\tfor (Document d : cursor)\r\n\t\t\tSystem.out.println(d);\r\n\t}\r\n}\r\n<\/code><\/pre>\n
          \n                            \"mongodb\n                        <\/div>\n","protected":false},"excerpt":{"rendered":"
          MongoDB\u7684findAndModify()\u65b9\u6cd5\u6839\u636e\u8f93\u5165\u7684\u9009\u62e9\u6761\u4ef6\u4fee\u6539\u5e76\u8fd4\u56de\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u6863\u3002\u8fd4\u56de\u7684\u6587\u6863\u9ed8\u8ba4\u60c5 […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1802,907,706,1803,1122],"class_list":["post-644","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-findandmodify","tag-mongodb","tag-nosql","tag-1803","tag-1122"],"yoast_head":"\n\u638c\u63e1MongoDB findAndModify()\u51fd\u6570\uff1a5\u4e2a\u5b9e\u7528\u793a\u4f8b\u6559\u7a0b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdMongoDB\u7684findAndModify()\u51fd\u6570\uff0c\u63d0\u4f9b5\u4e2a\u5b9e\u7528\u793a\u4f8b\u5e2e\u52a9\u60a8\u638c\u63e1\u8fd9\u4e00\u5f3a\u5927\u529f\u80fd\u3002\u4ece\u57fa\u7840\u8bed\u6cd5\u5230\u5b9e\u9645\u5e94\u7528\u573a\u666f\uff0c\u5168\u9762\u89e3\u6790findAndModify()\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u6ce8\u610f\u4e8b\u9879\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u9002\u5408MongoDB\u521d\u5b66\u8005\u548c\u8fdb\u9636\u7528\u6237\u9605\u8bfb\u3002\" \/>\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\/mongodb\u7684findandmodify\u51fd\u6570\u793a\u4f8b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u638c\u63e1MongoDB findAndModify()\u51fd\u6570\uff1a5\u4e2a\u5b9e\u7528\u793a\u4f8b\u6559\u7a0b\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdMongoDB\u7684findAndModify()\u51fd\u6570\uff0c\u63d0\u4f9b5\u4e2a\u5b9e\u7528\u793a\u4f8b\u5e2e\u52a9\u60a8\u638c\u63e1\u8fd9\u4e00\u5f3a\u5927\u529f\u80fd\u3002\u4ece\u57fa\u7840\u8bed\u6cd5\u5230\u5b9e\u9645\u5e94\u7528\u573a\u666f\uff0c\u5168\u9762\u89e3\u6790findAndModify()\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u6ce8\u610f\u4e8b\u9879\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u9002\u5408MongoDB\u521d\u5b66\u8005\u548c\u8fdb\u9636\u7528\u6237\u9605\u8bfb\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/mongodb\u7684findandmodify\u51fd\u6570\u793a\u4f8b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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