export function objToUrl(obj) { let uri = ''; let keys = Object.keys(obj); keys.forEach(item => { uri += '&' + item + '=' + obj[item]; }); uri = uri.substr(1); return uri; } // 微信扫码 export function scanCode () { return new Promise((resolve, reject) => { wx.scanCode({ success: (res) => { if (res.errMsg === 'scanCode:ok') { resolve(res); } else { wx.showToast({ title: res.errMsg, icon: 'none', duration: 2500 }); reject(res); } }, fail: (err) => { reject(err); } }); }); }