# 图像内容审核（V3）
1. 本章节对图像内容审核AK/SK方式使用SDK进行示例说明。 示例代码中可以使用Url或Image配置图像信息(代表使用url或者图像的base64)，示例中以url为例配置完成后运行即可。
   ```
   const core = require('@huaweicloud/huaweicloud-sdk-core');
   const moderation = require("@huaweicloud/huaweicloud-sdk-moderation");
   // 认证用的ak和sk硬编码到代码中或者明文存储都有很大的安全风险，建议在配置文件或者环境变量中密文存放，使用时解密，确保安全；
   // 本示例以ak和sk保存在环境变量中来实现身份验证为例，运行本示例前请先在本地环境中设置环境变量HUAWEICLOUD_SDK_AK和HUAWEICLOUD_SDK_SK、HUAWEICLOUD_SDK_PROJECT_ID。 
   const ak = process.env.HUAWEICLOUD_SDK_AK;
   const sk = process.env.HUAWEICLOUD_SDK_SK;
   const projectId = process.env.HUAWEICLOUD_SDK_PROJECT_ID;
   const endpoint = "https://moderation.cn-north-4.myhuaweicloud.com"; //把cn-north-4替换成服务所在的区域。
   const credentials = new core.BasicCredentials()
                        .withAk(ak)
                        .withSk(sk)
                        .withProjectId(projectId)
   const client = moderation.v3.ModerationClient.newBuilder()
                               .withCredential(credentials)
                               .withEndpoint(endpoint)
                               .build();
   const request = new moderation.v3.CheckImageModerationRequest();
   const body = new moderation.v3.ImageDetectionReq();
   const listbodyCategories = new Array();
   listbodyCategories.push("porn");
   body.withUrl("http://www.xxxx.xxxx");
   body.withCategories(listbodyCategories);
   body.withEventType("head_image");
   request.withBody(body);
   const result = client.checkImageModeration(request);
   result.then(result => {
       console.log("JSON.stringify(result)::" + JSON.stringify(result));
   }).catch(ex => {
       console.log("exception:" + JSON.stringify(ex));
   });
   ```
   
2. 审核结果输出到控制台表示执行成功，[图像内容审核结果](https://support.huaweicloud.com/api-moderation/moderation_03_0086.html#section4)输出到控制台。
   ```
   JSON.stringify(result)::{"request_id": "69b424920668cb15e6d25eef879a023b", "result": {"suggestion": "block", "category": "image_text", "details": [{"suggestion": "block", "category": "image_text", "confidence": 1.0, "qr_location": {"top_left_x": 74, "top_left_y": 66, "bottom_right_x": 151, "bottom_right_y": 142}, "qr_content": "http://xxxxxx/xxxxx", "label": "qr_code"}, {"suggestion": "block", "category": "image_text", "confidence": 0.98779297, "label": "ad"}, {"suggestion": "block", "category": "image_text", "confidence": 1.0, "label": "qr_code"}], "ocr_text": "xxxxxxxxx"}}
   ```