{"id":38426,"date":"2025-05-20T13:02:25","date_gmt":"2025-05-20T05:02:25","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/38426.html"},"modified":"2025-05-20T13:02:25","modified_gmt":"2025-05-20T05:02:25","slug":"%e3%80%90%e8%87%aa%e7%84%b6%e8%af%ad%e8%a8%80%e5%a4%84%e7%90%86%e4%b8%8e%e5%a4%a7%e6%a8%a1%e5%9e%8b%e3%80%91%e5%90%91%e9%87%8f%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%9amilvus%e4%bd%bf%e7%94%a8%e6%8c%87","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/38426.html","title":{"rendered":"\u3010\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4e0e\u5927\u6a21\u578b\u3011\u5411\u91cf\u6570\u636e\u5e93\uff1aMilvus\u4f7f\u7528\u6307\u5357"},"content":{"rendered":"

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Milvus \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5411\u91cf\u6570\u636e\u5e93，Milvus Lite \u662f Milvus \u5411\u91cf\u6570\u636e\u5e93\u7684\u8f7b\u91cf\u7ea7\u7248\u672c，\u80fd\u4e3a AI \u5e94\u7528\u63d0\u4f9b\u5411\u91cf\u76f8\u4f3c\u6027\u641c\u7d22\u529f\u80fd\u3002\u5b83\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5feb\u901f\u539f\u578b\u5f00\u53d1\u3001\u8d44\u6e90\u6709\u9650\u7684\u73af\u5883\u3002<\/p>\n

\u5b89\u88c5<\/h2>\n

# \u5b89\u88c5 milvus \u8981\u6c42Python 3.8+
\npip install "pymilvus[model]" <\/p>\n

\u4f7f\u7528<\/h2>\n

from pymilvus import MilvusClient
\nfrom pymilvus import model<\/p>\n

# \u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef
\nclient = MilvusClient(".\/milvus_demo.db") # \u6307\u5b9a\u4e00\u4e2a\u5b58\u50a8\u6240\u6709\u6570\u636e\u7684\u6587\u4ef6\u8def\u5f84<\/p>\n

# \u52a0\u8f7d\u672c\u5730\u7684\u8bcd\u5d4c\u5165\u5411\u91cf\u6a21\u578b
\n"""
\n\u5982\u679c\u4f60\u5b89\u88c5\u4e86，model\u4f9d\u8d56\u5219\u9ed8\u8ba4\u503c\u4e3aall-MiniLM-L6-v2
\n"""
\nsentence_transformer_ef = model.dense.SentenceTransformerEmbeddingFunction(
\n model_name='all-MiniLM-L6-v2', # \u6307\u5b9a\u6a21\u578b\u8def\u5f84
\n device='cpu' # \u6307\u5b9a\u8981\u4f7f\u7528\u7684\u8bbe\u5907，\u4f8b\u5982\u201ccpu\u201d\u6216\u201ccuda:0\u201d
\n)<\/p>\n

# \u521b\u5efa\u4e00\u4e2a\u96c6\u5408
\n# \u68c0\u67e5\u540d\u4e3a"demo_collection"\u7684\u96c6\u5408\u662f\u5426\u5b58\u5728
\nif client.has_collection(collection_name="demo_collection"):
\n # \u5982\u679c\u5b58\u5728\u5219\u5220\u9664\u8be5\u96c6\u5408
\n client.drop_collection(collection_name="demo_collection")<\/p>\n

client.create_collection(
\n collection_name="demo_collection",
\n dimension=768, # \u6307\u5b9a\u5411\u91cf\u7684\u7ef4\u5ea6
\n)<\/p>\n

docs = [
\n "Artificial intelligence was founded as an academic discipline in 1956.",
\n "Alan Turing was the first person to conduct substantial research in AI.",
\n "Born in Maida Vale, London, Turing was raised in southern England.",
\n]<\/p>\n

# \u5c06\u6587\u6863\u5411\u91cf\u5316
\nvectors = sentence_transformer_ef.encode_documents(docs)<\/p>\n

# \u6253\u5370embedding\u540e\u7684\u6587\u6863
\nprint("Embeddings:", vectors)
\nprint("Dim:", sentence_transformer_ef.dim, vectors[0].shape)<\/p>\n

data = [
\n {"id": i, "vector": vectors[i], "text": docs[i], "subject": "history"}
\n for i in range(len(docs))
\n]<\/p>\n

# \u63d2：\u5c06\u6570\u636e\u63d2\u5165\u5411\u91cf\u6570\u636e\u5e93
\nclient.insert("demo_collection", data)<\/p>\n

# \u67e5：search\u76f8\u4f3c\u5ea6\u641c\u7d22 \u6216 query\u5173\u952e\u5b57\u5339\u914d
\nres = client.search(
\n collection_name="demo_collection",
\n data=[vectors[0]],
\n filter="subject == 'history'", # \u8fc7\u6ee4\u6761\u4ef6
\n limit=2, # \u6700\u76f8\u4f3c\u76842\u6761
\n output_fields=["text", "subject"]
\n)
\nprint(res)<\/p>\n

res = client.query(
\n collection_name="demo_collection",
\n filter="subject == 'history'", # \u8fc7\u6ee4\u6761\u4ef6
\n output_fields=["text", "subject"] # \u53ea\u5c55\u793a\u7684\u5b57\u6bb5
\n)
\nprint(res)<\/p>\n

# \u6539：\u4fee\u6539\u5176\u4e2did=1\u6587\u6863
\nupdate_docs = ["Artificial intelligence research began in mid-20th century"]
\nupdate_vectors = sentence_transformer_ef.encode_documents(update_docs)
\nupdate_data = [{
\n "id": 1, # \u6307\u5b9a\u8981\u66f4\u65b0\u7684\u6587\u6863ID
\n "text": "Artificial intelligence research began in mid-20th century", # \u65b0\u6587\u672c
\n "vector": update_vectors[0], # \u65b0\u5411\u91cf
\n "subject": "computer_science" # \u65b0\u5206\u7c7b
\n}]
\nres = client.upsert(
\n collection_name="demo_collection",
\n data=[update_data] # \u6ce8\u610f\u6570\u636e\u9700\u8981\u662f\u5217\u8868\u683c\u5f0f
\n)
\nprint(res)<\/p>\n

# \u5220：\u5220\u9664\u4e00\u4e2a\u6587\u6863
\nres = client.delete(
\n collection_name="demo_collection",
\n filter="subject == 'history'" # \u8fc7\u6ee4\u6761\u4ef6
\n)
\nprint(res) <\/p>\n

\u66f4\u591a\u6848\u4f8b\u6559\u5b66\u53ef\u4ee5\u67e5\u770b\u5b98\u65b9\u7684\u6559\u7a0b：<\/p>\n

Milvus\u5b98\u65b9\u6587\u6863<\/span>https:\/\/milvus.io\/docs\/zh\/quickstart.md<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb254\u6b21\u3002Milvus\u4f7f\u7528\u6307\u5357<\/p>\n","protected":false},"author":2,"featured_media":38425,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3367,1741,50,224],"topic":[],"class_list":["post-38426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-3367","tag-milvus","tag-50","tag-224"],"yoast_head":"\n\u3010\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4e0e\u5927\u6a21\u578b\u3011\u5411\u91cf\u6570\u636e\u5e93\uff1aMilvus\u4f7f\u7528\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\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.wsisp.com\/helps\/38426.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4e0e\u5927\u6a21\u578b\u3011\u5411\u91cf\u6570\u636e\u5e93\uff1aMilvus\u4f7f\u7528\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb254\u6b21\u3002Milvus\u4f7f\u7528\u6307\u5357\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/38426.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-20T05:02:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250520050224-682c0ce0000fe.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/38426.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/38426.html\",\"name\":\"\u3010\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4e0e\u5927\u6a21\u578b\u3011\u5411\u91cf\u6570\u636e\u5e93\uff1aMilvus\u4f7f\u7528\u6307\u5357 - 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