uc 小游戏接入经验

使用引擎，egret

相关资料：

https://blog.csdn.net/weixin_42276579/article/details/107379544

https://minigame.uc.cn/tutorial/easystart/brief

目录结构：

以egret输出h5为主，最后3个文件为自己添加，platform.js是自己项目需要，可不加，uc.config.json是uc需要必须添加，vconsole.min.js是ios端测试需要，可不加：

遇到问题：

1.需增加额外js文件，在index.html中添加代码如下：

xhr.open('GET', './manifest.json?v=' + Math.random(), true);
    xhr.addEventListener("load", function () {
        var manifest = JSON.parse(xhr.response);
         var list = ["./platform.js?v=1"]
         list = list.concat( manifest.initial.concat(manifest.game));
        //var list = manifest.initial.concat(manifest.game);
        loadScript(list, function () {
            /**
             * {
             * "renderMode":, //Engine rendering mode, "canvas" or "webgl"
             * "audioType": 0 //Use the audio type, 0: default, 2: web audio, 3: audio
             * "antialias": //Whether the anti-aliasing is enabled in WebGL mode, true: on, false: off, defaults to false
             * "calculateCanvasScaleFactor": //a function return canvas scale factor
             * }
             **/
            testplatform();
            egret.runEgret({ renderMode: "webgl", audioType: 0, calculateCanvasScaleFactor:function(context) {
                var backingStore = context.backingStorePixelRatio ||
                    context.webkitBackingStorePixelRatio ||
                    context.mozBackingStorePixelRatio ||
                    context.msBackingStorePixelRatio ||
                    context.oBackingStorePixelRatio ||
                    context.backingStorePixelRatio || 1;
                return (window.devicePixelRatio || 1) / backingStore;
            }});
            var oDiv = document.getElementById('egret');
            oDiv.style.position = 'fixed';
            oDiv.style.top = '0px';
            oDiv.style.left = '0px';
            document.getElementById("bg").style.visibility="hidden";
            
        });
    });

　　新增内容为：

 var list = ["./platform.js?v=1"]
         list = list.concat( manifest.initial.concat(manifest.game));

　　2.新增vconsole，在所有script之前添加就可以了，下载最新的版本，按教程操作就好，贴下index.html的部分代码

 <script src="./vconsole.min.js"></script>
  <script>
    var vConsole = new VConsole();
  </script>

　　3.遇到bug

　　　　syntaxerror unexpected token = expected an opening ( before a method's parameter list 

　　解决方案：https://stackoverflow.com/questions/60026651/safari-unexpected-token-expected-an-opening-before-a-methods-paramet