[ 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做为画布的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