[ https://blog.csdn.net/Ruffaim/article/details/81145263](promise地址)               // 获取图1信息    // tip 貌似本地静态文件路径不能作为画布的src参数，网络图片无影响。    let promise1 = new Promise(function (resolve, reject) {      wx.getImageInfo({        src: 'https://qpp.juancdn.com/qpp/181228/4/f/5c2583d033b08948762f1463_208x208.png',        success: function (res) {          resolve(res);        },        fail: function (res) {          reject(res)        }      })    });    // 获取图2信息    let promise2 = new Promise(function (resolve, reject) {      wx.getImageInfo({        src: 'https://qpp.juancdn.com/qpp/181228/4/f/5c2583d033b08948762f1463_208x208.png',        success: function (res) {          resolve(res);        },        fail: function (res) {          reject(res)        }      })    });    // 执行    Promise.all(      [promise1, promise2]    ).then(res => {    }).    catch(err => {      //error 错误处理    })复制代码