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一、安装

https://docs.influxdata.com/influxdb/v2/install/?t=Windows

解压后使用cmd运行

访问 localhost:8086

配置

第一次登入会初始化

配置登入账号

保存TOKEN

这个TOKEN用于后期代码链接访问数据库，忘记了只能删除重新生成

点击QUCK START进入管理页面

默认配置文件

windows:在用户文件夹下 C:\Users\Administrator.influxdbv2
linux: /etc/influxdb/influxdb.conf

二、C#调用

Load Data>Sources 选择c# 查看配置示例

创建一个控制台程序

安装InfluxDB客户端

创建链接

using System.Linq;
using System.Threading.Tasks;
using InfluxDB.Client;
using InfluxDB.Client.Api.Domain;
using InfluxDB.Client.Core;
using InfluxDB.Client.Writes;namespace Examples
{public class Examples{public static async Task Main(string[] args){// You can generate an API token from the "API Tokens Tab" in the UIvar token = Environment.GetEnvironmentVariable("INFLUX_TOKEN")!;const string bucket = "Test";const string org = "CC";using var client = new InfluxDBClient("http://127.0.0.1:8086", token);}}
}

写入数据

//方式一、使用WriteRecord
const string data = "mem,host=host1 used_percent=23.43234543";
using (var writeApi = client.GetWriteApi())
{writeApi.WriteRecord(data,bucket, org, WritePrecision.Ns );
}//方式二、使用WritePoint
var point = PointData.Measurement("mem").Tag("host", "host1").Field("used_percent", 23.43234543).Timestamp(DateTime.UtcNow, WritePrecision.Ns);using (var writeApi = client.GetWriteApi())
{writeApi.WritePoint(point,bucket, org);
}//方式三、使用实体类
var mem = new Mem { Host = "host1", UsedPercent = 23.43234543, Time = DateTime.UtcNow };using (var writeApi = client.GetWriteApi())
{writeApi.WriteMeasurement( mem,bucket, org, WritePrecision.Ns);
}[Measurement("mem")]
private class Mem
{[Column("host", IsTag = true)] public string Host { get; set; }[Column("used_percent")] public double? UsedPercent { get; set; }[Column(IsTimestamp = true)] public DateTime Time { get; set; }
}

最终测试代码

// See https://aka.ms/new-console-template for more information
using InfluxDB.Client;
using InfluxDB.Client.Api.Domain;
using InfluxDB.Client.Writes;Console.WriteLine("Hello, World!");
Environment.SetEnvironmentVariable("INFLUX_TOKEN", "O9I2Kpeg...kLPSrQLWhTiJCQPWy6HJFjN9hK33UoLnG34vfFdqZ5KmoDLS-kkw==");var token = Environment.GetEnvironmentVariable("INFLUX_TOKEN")!;
const string bucket = "Test";
const string org = "CC";using (var client = new InfluxDBClient("http://localhost", token))
{using (var writeApi = client.GetWriteApi()){while (true){var randon = new Random();var point = PointData.Measurement("mem").Tag("host", "host1").Field("used_percent", randon.Next(10, 100)) //可以添加多个字段.Field("memory_percent",randon.Next(0,10)).Timestamp(DateTime.UtcNow, WritePrecision.Ns);writeApi.WritePoint(point, bucket, org);Thread.Sleep(2000);}}
}

在管理页面查看数据