获取

描述

整数/数组 history.get(object parameters)

该方法允许根据给定的参数检索历史数据 参考: known issues

参数

(object) 定义期望输出的参数.

该方法支持以下参数:

参数 类 描述
history 整数 要 回的历史对象类型.

可能的值:
0 - 数字浮点;
1 - 字符串;
2 - 日志;
3 - 无符号数字;
4 - 文本.

默认值: 3.
hostids 字符串/数组 只返回给 主机的历史记录
itemids 字符串/数组 只返回给 监控项的历史记录
time_from 时间戳 仅返 在给定时间时或之后收到的值
time_till 时间戳 仅返 在给定时间时或之前收到的值
sortfield 字符串/数组 按照给定 属性对结果进行排序

可能的值: itemidclock
countOutput 布尔值 这些 数对于所有get方法都是通用的,详细描述可参考: reference commentary
editable 布尔值 ::
excludeSearch 布尔值 ::
filter 对象 : :
limit 整数 : :
output 查询 : :
search 对象 : :
searchByAny 布尔值 ::
searchWildcardsEnabled 布尔值 ::
sortorder 字符串/数组 :::
startSearch 布尔值 ::

返回值

(整数/数组) 返回:

  • 一组对象
  • 如果使用了countOutput参数,返回检索对象的数量

示例

获取监控项历史数据

从数字(浮点)监控项中获取最近10条数据

请求:

{
           "jsonrpc": "2.0",
           "method": "history.get",
           "params": {
               "output": "extend",
               "history": 0,
               "itemids": "23296",
               "sortfield": "clock",
               "sortorder": "DESC",
               "limit": 10
           },
           "auth": "038e1d7b1735c6a5436ee9eae095879e",
           "id": 1
       }

响应:

{
           "jsonrpc": "2.0",
           "result": [
               {
                   "itemid": "23296",
                   "clock": "1351090996",
                   "value": "0.0850",
                   "ns": "563157632"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090936",
                   "value": "0.1600",
                   "ns": "549216402"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090876",
                   "value": "0.1800",
                   "ns": "537418114"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090816",
                   "value": "0.2100",
                   "ns": "522659528"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090756",
                   "value": "0.2150",
                   "ns": "507809457"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090696",
                   "value": "0.2550",
                   "ns": "495509699"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090636",
                   "value": "0.3600",
                   "ns": "477708209"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090576",
                   "value": "0.3750",
                   "ns": "463251343"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090516",
                   "value": "0.3150",
                   "ns": "447947017"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090456",
                   "value": "0.2750",
                   "ns": "435307141"
               }
           ],
           "id": 1
       }

来源

CHistory::get() in frontends/php/include/classes/api/services/CHistory.php.