admin/server/mcp/current_time.go

82 lines
1.9 KiB
Go
Raw Normal View History

2025-06-19 21:53:00 +08:00
package mcpTool
import (
"context"
"errors"
"fmt"
"github.com/mark3labs/mcp-go/mcp"
"time"
)
func init() {
RegisterTool(&CurrentTime{})
}
type CurrentTime struct {
}
// 获取当前系统时间
func (t *CurrentTime) Handle(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
// 获取当前系统时间
timezone, ok := request.GetArguments()["timezone"].(string)
if !ok {
return nil, errors.New("参数错误timezone 必须是字符串类型")
}
// 根据timezone参数加载对应时区
loc, err := loadTimeZone(timezone)
if err != nil {
return nil, err
}
// 获取当前时间并转换为指定时区
currentTime := time.Now().In(loc).Format("2006-01-02 15:04:05")
//返回
return &mcp.CallToolResult{
Content: []mcp.Content{
mcp.TextContent{
Type: "text",
Text: fmt.Sprintf("%s 时区的当前时间是:%s", timezone, currentTime),
},
},
}, nil
}
func (t *CurrentTime) New() mcp.Tool {
return mcp.NewTool("currentTime",
mcp.WithDescription("获取当前系统时间"),
mcp.WithString("timezone",
mcp.Required(),
mcp.Description("时区"),
mcp.Enum("UTC", "CST", "PST", "EST", "GMT", "CET", "JST", "MST", "IST", "AST", "HST"),
))
}
// 将简写时区转换为IANA标准时区
func loadTimeZone(timezone string) (*time.Location, error) {
// 时区映射表
timezoneMap := map[string]string{
"UTC": "UTC",
"CST": "Asia/Shanghai", // 中国标准时间
"PST": "America/Los_Angeles",
"EST": "America/New_York",
"GMT": "GMT",
"CET": "Europe/Paris",
"JST": "Asia/Tokyo",
"MST": "America/Denver",
"IST": "Asia/Kolkata",
"AST": "Asia/Riyadh", // 阿拉伯标准时间
"HST": "Pacific/Honolulu",
}
// 获取标准时区名称
tzName, exists := timezoneMap[timezone]
if !exists {
return nil, errors.New("不支持的时区: " + timezone)
}
// 加载时区
return time.LoadLocation(tzName)
}