from langchain_core.messages import HumanMessage
from langchain_google_genai import ChatGoogleGenerativeAI

image_url = "https://images.ctfassets.net/hrltx12pl8hq/vfJfws5pq5PK8xSX6I1bV/d542f5862da3701e2afe687e9efbeff6/hero-image-robot-.jpg?fit=fill&w=840&h=473&fm=webp"
llm = ChatGoogleGenerativeAI(model="gemini-pro-vision", google_api_key="AIzaSyCCpv_xFewWVEAK__vNyRIsT-PZQH1TJsk",
                             transport="rest")

message = HumanMessage(
    content=[
        {
            "type": "text",
            "text": "这幅图描绘的是什么?"

        }, {
            "type": "image_url",
            "image_url": image_url
        }
    ]
)

invoke = llm.invoke([message])
print(invoke.content)