替换文档

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import { MongoClient } from "mongodb";
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// Replace the uri string with your MongoDB deployment's connection string.
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const uri = "<connection string uri>";
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const client = new MongoClient(uri);
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async function run() {
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  try {
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    // Get the database and collection on which to run the operation
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    const database = client.db("sample_mflix");
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    const movies = database.collection("movies");
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    // Create a query for documents where the title contains "The Cat from"
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    const query = { title: { $regex: "The Cat from" } };
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    // Create the document that will replace the existing document
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    const replacement = {
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      title: `The Cat from Sector ${Math.floor(Math.random() * 1000) + 1}`,
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    };
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    // Execute the replace operation
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    const result = await movies.replaceOne(query, replacement);
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    // Print the result 
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    console.log(`Modified ${result.modifiedCount} document(s)`);
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  } finally {
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    await client.close();
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  }
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}
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run().catch(console.dir);

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import { MongoClient } from "mongodb";
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// Replace the uri string with your MongoDB deployment's connection string.
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const uri = "<connection string uri>";
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const client = new MongoClient(uri);
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interface Movie {
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  title: string;
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}
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async function run() {
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  try {
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    const database = client.db("sample_mflix");
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    const movies = database.collection<Movie>("movies");
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    const result = await movies.replaceOne(
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      { title: { $regex: "The Cat from" } },
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      {
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        title: `The Cat from Sector ${Math.floor(Math.random() * 1000) + 1}`,
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      }
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    );
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    console.log(`Modified ${result.modifiedCount} document(s)`);
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  } finally {
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    await client.close();
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  }
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}
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run().catch(console.dir);