代码：js

const myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");const raw = JSON.stringify({"at": {"atMobiles": ["180xxxxxx"],"atUserIds": ["user123"],"isAtAll": false},"text": {"content": "我就是我, @user123 是不一样的烟火"},"msgtype": "text"
});const requestOptions = {method: "POST",headers: myHeaders,body: raw,redirect: "follow"
};fetch("https://oapi.dingtalk.com/robot/send?access_token=a20fc884379fd76bd27ad902fc7ec940f1c1573a3b468852372091474", requestOptions).then((response) => response.text()).then((result) => console.log(result)).catch((error) => console.error(error));

代码axios

const axios = require('axios');
let data = JSON.stringify({"at": {"atMobiles": ["180xxxxxx"],"atUserIds": ["user123"],"isAtAll": false},"text": {"content": "我就是我, @user123 是不一样的烟火"},"msgtype": "text"
});let config = {method: 'post',maxBodyLength: Infinity,url: 'https://oapi.dingtalk.com/robot/send?access_token=a20fc884379fd76bd27ad902fc7ec940f1c1573a3b468852372091474',headers: { 'Content-Type': 'application/json'},data : data
};axios.request(config)
.then((response) => {console.log(JSON.stringify(response.data));
})
.catch((error) => {console.log(error);
});