• 封装公共函数的 js：publicFunc.js
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const getData = () => {
  return new Promise((resolve) => {
    axios.get(url,param)
      .then((req) => {
        const data = req;  //接口返回值做处理
        resolve(data);
      })
      .catch((err) => {
        console.log(err)
      });
  });
}
export default {getData};
  • 调用
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showMyData = async () => {
   let data = await getData();
   this.setState({
     data
   });
 };