go v1.20 使用influxdb1.2.4 老版本 查询数据

package main

import (
    "encoding/json"
    "fmt"
    "github.com/gin-gonic/gin"
    client "github.com/influxdata/influxdb1-client/v2"
    "net/http"
    "os"
    "time"
)

// 创建一个client
func ExampleClient()client.Client {
    // NOTE: this assumes you've setup a user and have setup shell env variables,
    // namely INFLUX_USER/INFLUX_PWD. If not just omit Username/Password below.
    cli, err := client.NewHTTPClient(client.HTTPConfig{
        Addr:     "http://10.xx.x5.x5:8086",
        Username: os.Getenv("ltx"),
        Password: os.Getenv("x6xxx"),
    })
    if err != nil {
        fmt.Println("Error creating InfluxDB Client: ", err.Error())
    }
    return cli
}

// 把数据写入influxdb
func ExampleClient_write(cli client.Client) {
    // Make client
    c, err := client.NewHTTPClient(client.HTTPConfig{
        Addr: "http://10.xx.x5.x5:8086",
    })
    if err != nil {
        fmt.Println("Error creating InfluxDB Client: ", err.Error())
    }
    defer c.Close()

    // Create a new point batch
    bp, _ := client.NewBatchPoints(client.BatchPointsConfig{
        Database:  "BumbleBeeTuna",//数据库名
        Precision: "s",//时间精度秒
    })
    // Create a point and add to batch
    tags := map[string]string{"cpu": "cpu-total"}//查询的索引
    fields := map[string]interface{}{
        "idle":   10.1,
        "system": 53.3,
        "user":   46.6,
    }//记录值
    pt, err := client.NewPoint("cpu_usage", tags, fields, time.Now())//将创建的表名为cpu_usage的表以及内容字段放入pt
    if err != nil {
        fmt.Println("Error: ", err.Error())
    }
    bp.AddPoint(pt)//把表放入创建的point中

    // Write the batch
    c.Write(bp)//写入创建的client中
}
// 查询
func ExampleClient_query(cli client.Client) []client.Result {
    // Make client
    c, err := client.NewHTTPClient(client.HTTPConfig{
        Addr: "http://10.xx.x5.x5:8086",
    })
    if err != nil {
        fmt.Println("Error creating InfluxDB Client: ", err.Error())
    }
    defer c.Close()

    q := client.NewQuery("SELECT * FROM ipad_electricitytable where time > now() - 3m and electricity 

服务器托管，北京服务器托管，服务器租用 http://www.fwqtg.net