使用js语言提取"{"activityId":"91678340474946068480","activityName":"20230710主流程积分主活动","activityNumber":1000,"activityScene":"6","createDate":"20230710","createOperator":"PJK","createOperatorName":"裴健凯","dailyLimit":100,"effectTime":"20230710","expireTime":"20230710","fixPointLimit":10,"frequencyUnit":"D","grantPlanFlag":"0","grantType":"0","isTask":"1","issuerName":"裴哈哈发行方","issuerNo":"PJK0325","issuerType":"M","merchantList":[{"merchantId":"PJK001","merchantName":"PJK商户1号"},{"merchantId":"PJK002","merchantName":"PJK商户2号"}],"obtainFrequency":"0","pointExpireType":"1","pointValueRatio":0.001,"stepPoint":"-1","subActivityDescribe":"20230710主流程积分子活动描述","subActivityName":"20230710主流程积分子活动","subActivityShortName":"20230710主流程积分子活动简称","subActivityStatus":"1","subActivityType":"P","whitelistSwitch":"1"}"中的activityName
时间: 2023-07-17 12:59:48 浏览: 197
activitystreams-aeson:使用 Activity Streams 的基本库
您可以使用以下JavaScript代码来提取给定字符串中的"activityName"值:
```javascript
const jsonString = '{"activityId":"91678340474946068480","activityName":"20230710主流程积分主活动","activityNumber":1000,"activityScene":"6","createDate":"20230710","createOperator":"PJK","createOperatorName":"裴健凯","dailyLimit":100,"effectTime":"20230710","expireTime":"20230710","fixPointLimit":10,"frequencyUnit":"D","grantPlanFlag":"0","grantType":"0","isTask":"1","issuerName":"裴哈哈发行方","issuerNo":"PJK0325","issuerType":"M","merchantList":[{"merchantId":"PJK001","merchantName":"PJK商户1号"},{"merchantId":"PJK002","merchantName":"PJK商户2号"}],"obtainFrequency":"0","pointExpireType":"1","pointValueRatio":0.001,"stepPoint":"-1","subActivityDescribe":"20230710主流程积分子活动描述","subActivityName":"20230710主流程积分子活动","subActivityShortName":"20230710主流程积分子活动简称","subActivityStatus":"1","subActivityType":"P","whitelistSwitch":"1"}';
const jsonObject = JSON.parse(jsonString);
const activityName = jsonObject.activityName;
console.log(activityName);
```
这段代码首先将给定的JSON字符串解析为JavaScript对象,然后使用点表示法访问对象的"activityName"属性,并将其打印到控制台上。您可以根据需要将其修改为您的实际需求。
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