System Prompt 与多轮对话

System Prompt

Python

from openai import OpenAI

client = OpenAI(api_key="your-api-key", base_url="https://www.cheapertoken.work/v1")

response = client.chat.completions.create(
    model="gemini-2.5-flash",
    messages=[
        {"role": "system", "content": "你是一个专业的Python编程助手，回答简洁准确。"},
        {"role": "user", "content": "如何读取一个文件？"},
    ],
)
print(response.choices[0].message.content)

JavaScript

import OpenAI from "openai";

const client = new OpenAI({ apiKey: "your-api-key", baseURL: "https://www.cheapertoken.work/v1" });

const response = await client.chat.completions.create({
  model: "gemini-2.5-flash",
  messages: [
    { role: "system", content: "你是一个专业的Python编程助手，回答简洁准确。" },
    { role: "user", content: "如何读取一个文件？" },
  ],
});
console.log(response.choices[0].message.content);

curl

curl https://www.cheapertoken.work/v1/chat/completions \
  -H "Authorization: Bearer your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-2.5-flash",
    "messages": [
      {"role": "system", "content": "你是一个专业的Python编程助手，回答简洁准确。"},
      {"role": "user", "content": "如何读取一个文件？"}
    ]
  }'

多轮对话

Python

from openai import OpenAI

client = OpenAI(api_key="your-api-key", base_url="https://www.cheapertoken.work/v1")
messages = [{"role": "system", "content": "你是一个友好的助手。"}]

def chat(user_input):
    messages.append({"role": "user", "content": user_input})
    response = client.chat.completions.create(model="gemini-2.5-flash", messages=messages)
    reply = response.choices[0].message.content
    messages.append({"role": "assistant", "content": reply})
    return reply

print(chat("我叫小明"))
print(chat("你还记得我叫什么吗？"))

JavaScript

import OpenAI from "openai";

const client = new OpenAI({ apiKey: "your-api-key", baseURL: "https://www.cheapertoken.work/v1" });
const messages = [{ role: "system", content: "你是一个友好的助手。" }];

async function chat(userInput) {
  messages.push({ role: "user", content: userInput });
  const response = await client.chat.completions.create({ model: "gemini-2.5-flash", messages });
  const reply = response.choices[0].message.content;
  messages.push({ role: "assistant", content: reply });
  return reply;
}

console.log(await chat("我叫小明"));
console.log(await chat("你还记得我叫什么吗？"));

curl

curl https://www.cheapertoken.work/v1/chat/completions \
  -H "Authorization: Bearer your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-2.5-flash",
    "messages": [
      {"role": "system", "content": "你是一个友好的助手。"},
      {"role": "user", "content": "我叫小明"},
      {"role": "assistant", "content": "你好，小明！"},
      {"role": "user", "content": "你还记得我叫什么吗？"}
    ]
  }'