RN发送http请求例子

   let map = {
      method: ‘post‘,
      headers: {
        token: ‘‘,
        ‘Content-Type‘: ‘application/json‘
      },
      body: ‘‘
    }
    fetch(‘http://xxxx‘, map).then(
      (result) => {
        result.json().then(
          (obj) => {
            console.log(obj);
          }
        ).catch(
          (error) => {
            console.log(error);
          }
          )
      }
    ).catch(
      (error) => {
        console.log(error);
      }
      );

let option={date:new Date(),minDate:new Date(2012,1,28),maxDate:new Date(2020,1,28)};
DatePickerAndroid.open(option).then(
      (result) => {
    if(result.action===DatePickerAndroid.dismissedAction){
      console.log(‘未选择‘);
    }else
    {
      console.log(result);
    }
      }
    ).catch(
      (error) => {
        console.log(error);
      }
      );

let option={hour:13,minute:11};
TimePickerAndroid.open(option).then(
      (result) => {
    if(result.action===TimePickerAndroid.dismissedAction){
      console.log(‘未选择‘);
    }else
    {
      console.log(result);
    }
      }
    ).catch(
      (error) => {
        console.log(error);
      }
      );