
# 预览消息模板邮件格式 - ListNotificationTemplate
#### 功能介绍
该接口用于预览消息模板邮件格式
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-lts/lts_api_0003.html)。
#### 授权信息
账号具备所有API的调用权限，如果使用账号下的IAM用户调用当前API，该IAM用户需具备调用API所需的权限。
- 如果使用角色与策略授权，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-lts/lts_api_0046.html)。
- 如果使用身份策略授权，需具备如下身份策略权限。
  
  | 授权项                          | 访问级别 | 资源类型（\*为必须） | 条件键 | 别名                    | 依赖的授权项 |
  |:---|:---|:---|:---|:---|:---|
  | lts:alarmNoticeTemplate:list | List | -           | -   | lts:sqlalarmrules:get | -      |
     
  
 
#### URI
POST /v2/{project_id}/{domain_id}/lts/events/notification/templates/view
表1路径参数 
| 参数         | 是否必选 | 参数类型   | 描述                                                                                                      |
|:---|:---|:---|:---|
| project_id | 是    | String | 项目ID，可以从调用API处获取，也可以从控制台获取。获取方式请参见：[获取项目ID](https://support.huaweicloud.com/api-lts/lts_api_0006.html)。 |
| domain_id  | 是    | String | 账号ID，获取方式请参见：[获取账号ID](https://support.huaweicloud.com/api-lts/lts_api_0012.html)                        |
   
#### 请求参数
表2请求Header参数 
| 参数           | 是否必选 | 参数类型   | 描述                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|:---|:---|:---|:---|
| X-Auth-Token | 是    | String | **参数解释：** 从IAM服务获取的用户Token，获取方式请参见：[获取用户Token](https://support.huaweicloud.com/api-lts/lts_api_0004.html)。 **约束限制：** 不涉及。 **取值范围：** 不涉及。 **默认取值：** 不涉及。 |
| Content-Type | 是    | String | **参数解释：** 用于定义消息体的格式，该字段填为：application/json;charset=utf8。 **约束限制：** 不涉及。 **取值范围：** 不涉及。 **默认取值：** 不涉及。                                                  |
   
表3请求Body参数 
| 参数        | 是否必选 | 参数类型   | 描述                 |
|:---|:---|:---|:---|
| templates | 是    | String | 邮件模板内容             |
| language  | 是    | String | 语言 zh-cn中文，en-us英文 |
| source    | 是    | String | 来源，只能填LTS          |
   
#### 响应参数
**状态码：200**
表4响应Body参数 
| 参数       | 参数类型   | 描述                     |
|:---|:---|:---|
| template | String | 为一个html文本，需要进行相应的解析后展示 |
   
#### 请求示例
预览消息模板邮件格式
```
POST https://{endpoint}/v2/{project_id}/{domain_id}/lts/events/notification/templates/view
{
  "templates" : "告警级别：${event_severity};\n发生时间：${starts_at};\n告警源：$event.metadata.resource_provider;\n资源类型：$event.metadata.resource_type;\n资源标识：${resources};\n统计类型：关键词统计;\n表达式：$event.annotations.condition_expression;\n当前值: $event.annotations.current_value;\n告警描述：$event.annotations.alarm_rule_desc;\n统计周期：$event.annotations.frequency;\n查询时间：$event.annotations.results[0].time;\n查询日志：$event.annotations.results[0].raw_results;",
  "language" : "zh-cn",
  "source" : "LTS"
}
```
#### 响应示例
**状态码：200**
请求响应成功。
```
{
  "template" : "<style>    span {        display: inline-block;        float: left;        font-size: 14px;    }    b {        display: inline-block;        float: left;        color: #252B3A;        font-size: 14px    }</style><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\"       style=\"font-family:HuaweiFont,Helvetica,Arial,PingFangSC-Regular,Hiragino Sans GB;border-spacing:0px 14px;font-size:14px;padding-left: 30px;line-height:25px;\">    <thead>    <tr style=\"font-size:14px;\">        <td colspan=\"2\" style=\"line-height:28px;color:#6e6e6e;font-size:14px\">            <b>尊敬的&nbsp;</b>            <b>华为云用户</b>            <b>&nbsp;，您好！</b>        </td>    </tr>    </thead>    <tr>        <td colspan=\"2\">            <span>您在&nbsp;</span>            <b>华北-北京一</b>            <span>&nbsp;区域设置的告警规则</span>            <b>&nbsp;&nbsp;</b>            <span>新增</span>            <span>&nbsp;1&nbsp;条运维通知</span>            <span>。更多信息请登录LTS。</span>            <br>            <br>        </td>    </tr>    <tr style=\"font-size:14px;\">        <td colspan=\"2\">            <p style=\"margin-bottom: -20px; margin-top: -26px;\">                <span style=\"color:#252B3A;line-height:24px\">详细信息如下，请您查阅：</span>            </p>        </td>    </tr>    <td><div>告警级别：严重;<br>发生时间：2022-03-21 18:23:20 GMT+08:00;<br>告警源：NA;<br>资源类型：NA;<br>资源标识：CCE;<br>统计类型：关键词统计;<br>表达式：NA;<br>当前值: NA;<br>告警描述：NA;<br>统计周期：NA;<br>查询时间：NA;<br>查询日志：NA;<br><div/></td>  </table>"
}
```
#### SDK代码示例
SDK代码示例如下。
- [Java]
  预览消息模板邮件格式
  ```
  package com.huaweicloud.sdk.test;
  import com.huaweicloud.sdk.core.auth.ICredential;
  import com.huaweicloud.sdk.core.auth.BasicCredentials;
  import com.huaweicloud.sdk.core.exception.ConnectionException;
  import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
  import com.huaweicloud.sdk.core.exception.ServiceResponseException;
  import com.huaweicloud.sdk.lts.v2.region.LtsRegion;
  import com.huaweicloud.sdk.lts.v2.*;
  import com.huaweicloud.sdk.lts.v2.model.*;
  public class ListNotificationTemplateSolution {
      public static void main(String[] args) {
          // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
          // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
          String ak = System.getenv("CLOUD_SDK_AK");
          String sk = System.getenv("CLOUD_SDK_SK");
          ICredential auth = new BasicCredentials()
                  .withAk(ak)
                  .withSk(sk);
          LtsClient client = LtsClient.newBuilder()
                  .withCredential(auth)
                  .withRegion(LtsRegion.valueOf("<YOUR REGION>"))
                  .build();
          ListNotificationTemplateRequest request = new ListNotificationTemplateRequest();
          request.withDomainId("{domain_id}");
          PreviewTemplateBody body = new PreviewTemplateBody();
          body.withSource("LTS");
          body.withLanguage(PreviewTemplateBody.PreviewTemplateBody.fromValue("zh-cn"));
          body.withTemplates("告警级别:${event_severity};
  发生时间:${starts_at};
  告警源:$event.metadata.resource_provider;
  资源类型:$event.metadata.resource_type;
  资源标识:${resources};
  统计类型:关键词统计;
  表达式:$event.annotations.condition_expression;
  当前值: $event.annotations.current_value;
  告警描述:$event.annotations.alarm_rule_desc;
  统计周期:$event.annotations.frequency;
  查询时间:$event.annotations.results[0].time;
  查询日志:$event.annotations.results[0].raw_results;");
          request.withBody(body);
          try {
              ListNotificationTemplateResponse response = client.listNotificationTemplate(request);
              System.out.println(response.toString());
          } catch (ConnectionException e) {
              e.printStackTrace();
          } catch (RequestTimeoutException e) {
              e.printStackTrace();
          } catch (ServiceResponseException e) {
              e.printStackTrace();
              System.out.println(e.getHttpStatusCode());
              System.out.println(e.getRequestId());
              System.out.println(e.getErrorCode());
              System.out.println(e.getErrorMsg());
          }
      }
  }
  ```
- [Python]
  预览消息模板邮件格式
  ```
  # coding: utf-8
  import os
  from huaweicloudsdkcore.auth.credentials import BasicCredentials
  from huaweicloudsdklts.v2.region.lts_region import LtsRegion
  from huaweicloudsdkcore.exceptions import exceptions
  from huaweicloudsdklts.v2 import *
  if __name__ == "__main__":
      # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
      # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
      ak = os.environ["CLOUD_SDK_AK"]
      sk = os.environ["CLOUD_SDK_SK"]
      credentials = BasicCredentials(ak, sk)
      client = LtsClient.new_builder() \
          .with_credentials(credentials) \
          .with_region(LtsRegion.value_of("<YOUR REGION>")) \
          .build()
      try:
          request = ListNotificationTemplateRequest()
          request.domain_id = "{domain_id}"
          request.body = PreviewTemplateBody(
              source="LTS",
              language="zh-cn",
              templates="告警级别:${event_severity};
  发生时间:${starts_at};
  告警源:$event.metadata.resource_provider;
  资源类型:$event.metadata.resource_type;
  资源标识:${resources};
  统计类型:关键词统计;
  表达式:$event.annotations.condition_expression;
  当前值: $event.annotations.current_value;
  告警描述:$event.annotations.alarm_rule_desc;
  统计周期:$event.annotations.frequency;
  查询时间:$event.annotations.results[0].time;
  查询日志:$event.annotations.results[0].raw_results;"
          )
          response = client.list_notification_template(request)
          print(response)
      except exceptions.ClientRequestException as e:
          print(e.status_code)
          print(e.request_id)
          print(e.error_code)
          print(e.error_msg)
  ```
- [Go]
  预览消息模板邮件格式
  ```
  package main
  import (
  "fmt"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
      lts "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2/model"
      region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2/region"
  )
  func main() {
      // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
      // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
      ak := os.Getenv("CLOUD_SDK_AK")
      sk := os.Getenv("CLOUD_SDK_SK")
      auth, err := basic.NewCredentialsBuilder().
          WithAk(ak).
          WithSk(sk).
          SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      hcClient, err := lts.LtsClientBuilder().
           WithRegion(region.ValueOf("<YOUR REGION>")).
           WithCredential(auth).
           SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      client := lts.NewLtsClient(hcClient)
      request := &model.ListNotificationTemplateRequest{}
  request.DomainId = "{domain_id}"
  request.Body = &model.PreviewTemplateBody{
  Source: "LTS",
  Language: model.GetPreviewTemplateBodyLanguageEnum().ZH_CN,
  Templates: "告警级别:${event_severity};
  发生时间:${starts_at};
  告警源:$event.metadata.resource_provider;
  资源类型:$event.metadata.resource_type;
  资源标识:${resources};
  统计类型:关键词统计;
  表达式:$event.annotations.condition_expression;
  当前值: $event.annotations.current_value;
  告警描述:$event.annotations.alarm_rule_desc;
  统计周期:$event.annotations.frequency;
  查询时间:$event.annotations.results[0].time;
  查询日志:$event.annotations.results[0].raw_results;",
  }
  response, err := client.ListNotificationTemplate(request)
  if err == nil {
          fmt.Printf("%+v\n", response)
      } else {
          fmt.Println(err)
      }
  }
  ```
- [更多]
  更多编程语言的SDK代码示例，请参见[API Explorer](https://console.huaweicloud.com/apiexplorer/#/openapi/LTS/sdk?api=ListNotificationTemplate)的代码示例页签，可生成自动对应的SDK代码示例。
#### 状态码
| 状态码 | 描述      |
|:---|:---|
| 200 | 请求响应成功。 |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-lts/ErrorCode.html)。
