import Vue from 'vue'

Vue.prototype.GLOBAL ={
  //用户cookie
  user_key:'user',
  //服务器地址
  server_address:'http://127.0.0.1:8080',
  // 检查元素可见
  visible_in_container:function(p,e) {
    var z = p.getBoundingClientRect();
    var r = e.getBoundingClientRect();

    // Check style visiblilty and off-limits
    return !(r.top > z.bottom || r.bottom < z.top ||
        r.left > z.right || r.right < z.left);
  },
  fetchJSON(url,method, form, success){
    fetch(this.server_address + url, {
      body:JSON.stringify(form),
      method: method,
      headers: {
        'Content-Type': 'application/json'
      },
      credentials: "include"
    }).then(res=>res.json()).then(res=>success(res)).catch(err=>{
      console.error(err)
    })
  },
  fetchGet(url,params,success){
    if (params) {
      let paramsArray = [];
      //拼接参数
      Object.keys(params).forEach(key => paramsArray.push(key + '=' + params[key]))
      if (url.search(/\?/) === -1) {
        url += '?' + paramsArray.join('&')
      } else {
        url += '&' + paramsArray.join('&')
      }
    }
    fetch(this.server_address + url, {
      method:'GET',
      credentials: "include"
    }).then(res=>res.json()).then(res=>success(res)).catch(err=>{
      console.error(err)
    })
  }

}