post&get

postget.js

  get(url, headers) {
    return new Promise(function (resolve, reject) {
      fetch(url, {
        headers: headers,
      })
        .then(response => response.json())
        .then(data => resolve(data)).catch((error) => {
          reject(error)
        });
    });
  }

  post(url = '', data = {}, headers) {
    return new Promise(function (resolve, reject) {
      // 处理 body
      var body = "";
      if (headers['Content-Type'] === 'application/x-www-form-urlencoded') {
        // 把一个参数对象格式化为一个字符串
        // return qs.stringify(data)
        let ret = ''
        for (const it in data) {
          ret +=
            encodeURIComponent(it) + '=' + encodeURIComponent(data[it]) + '&'
        }
        body = ret.substring(0, ret.length - 1)
      } else if (headers['Content-Type'] === 'multipart/form-data;charset=UTF-8') {
        // const form = new FormData();
        // form.append('my_field', 'my value');
        // form.append('my_buffer', new Buffer(10));
        // form.append('my_file', fs.createReadStream('/foo/bar.jpg'));
        body = data
      } else {
        headers['Content-Type'] = 'application/json'
        body = JSON.stringify(data)
      }

      fetch(url, {
        method: 'POST',
        credentials: "same-origin",
        headers: headers,
        // headers: {
        //   'Content-Type': 'application/json',
        //   'Cookie': cookies
        //   // 'Content-Type': 'application/x-www-form-urlencoded',
        // }
        body: data,
      })
        .then((response) => {
          if (!response.ok) {
            throw new Error("Network response was not ok");
          }
          return response.json();
        }).then(data => {
          resolve(data);
        })
        .catch((error) => {
          reject(error)
        });
    });
  }