Tool - Googlesearch

tool, err := NewGoogleSearchTool(ctx, &Config{
    APIKey:         "your-api-key",        // Google API 密钥
    SearchEngineID: "your-engine-id",      // 搜索引擎 ID
    BaseURL:        "custom-base-url",     // 可选：自定义 API 基础 URL, default: https://customsearch.googleapis.com
    Num:            5,                    // 可选：每页结果数量
    Lang:           "zh-CN",               // 可选：搜索界面语言
    ToolName:       "google_search",       // 可选：工具名称
    ToolDesc:       "google search tool",  // 可选：工具描述
})

type SearchRequest struct {
    Query  string `json:"query"`   // 搜索关键词
    Num    int    `json:"num"`     // 返回结果数量
    Offset int    `json:"offset"`  // 结果起始位置
    Lang   string `json:"lang"`    // 搜索语言
}

package main

import (
    "context"
    
    "github.com/cloudwego/eino-ext/components/tool/googlesearch"
    "github.com/cloudwego/eino/components/tool"
)

func main() {
    ctx := context.Background()
    
    // 初始化搜索工具
    searchTool, err := googlesearch.NewGoogleSearchTool(ctx, &googlesearch.Config{
        APIKey:         "your-api-key",
        SearchEngineID: "your-engine-id",
        Lang:           "zh-CN",
        Num:           5,
    })
    if err != nil {
        panic(err)
    }
    
    // 准备搜索请求
    request := map[string]any{
        "query": "Golang concurrent programming",
        "num":   3,
        "lang":  "en",
    }
    
    // 执行搜索
    result, err := searchTool.Invoke(ctx, request)
    if err != nil {
        panic(err)
    }
    
    // 处理搜索结果
    println(result) // JSON 格式的搜索结果
}

{
    "query": "Golang concurrent programming",
    "items": [
        {
            "link": "https://example.com/article1",
            "title": "Go 并发编程实践",
            "snippet": "这是一篇关于 Go 语言并发编程的文章...",
            "desc": "详细介绍了 Go 语言中的 goroutine 和 channel..."
        },
        {
            "link": "https://example.com/article2",
            "title": "Understanding Concurrency in Go",
            "snippet": "A comprehensive guide to concurrent programming...",
            "desc": "Learn about Go's concurrency model and best practices..."
        }
    ]
}