更新文档

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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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    const database = client.db("sample_mflix");
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    const movies = database.collection("movies");
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    // create a filter for a movie to update
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    const filter = { title: "Random Harvest" };
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    // this option instructs the method to create a document if no documents match the filter
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    const options = { upsert: true };
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    // create a document that sets the plot of the movie
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    const updateDoc = {
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      $set: {
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        plot: `A harvest of random numbers, such as: ${Math.random()}`
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      },
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    };
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    const result = await movies.updateOne(filter, updateDoc, options);
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    console.log(
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      `${result.matchedCount} document(s) matched the filter, updated ${result.modifiedCount} document(s)`,
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    );
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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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  plot: string;
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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.updateOne(
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      { title: "Random Harvest" },
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      {
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        $set: {
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          plot: `A harvest of random numbers, such as: ${Math.random()}`,
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        },
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      },
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      { upsert: true }
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    );
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    console.log(
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      `${result.matchedCount} document(s) matched the filter, updated ${result.modifiedCount} document(s)`
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    );
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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);