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19 lines
554 B
C#
19 lines
554 B
C#
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using MongoDB.Bson;
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using MongoDB.Driver;
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace MongoDb.Ado.data
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{
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public class FindHandler : IMongoOperationHandler
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{
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public int Handle(IMongoCollection<BsonDocument> collection, string json)
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{
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var filter = string.IsNullOrWhiteSpace(json) ? FilterDefinition<BsonDocument>.Empty : BsonDocument.Parse(json);
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var result = collection.Find(filter).FirstOrDefault();
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return 0; // 查询不改变数据库
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}
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}
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}
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