fragranttown/assets/Script/Login/Login.js

cc.Class({
    extends: cc.Component,

    properties: {

    },

    onLoad() {
        let self = this;
        //如果不是微信环境
        if (typeof wx === 'undefined') {
            return;
        }
        cc.audioEngine.stopAll();
        this.progressTag = false;
        this.oldprogressTag = -99;
        cc.loader.onProgress = (completeCount, totalCount) => {
            if (this.progressTag) {
                this.progress = (1 * completeCount / totalCount).toFixed(1);
                // console.log("进度条", this.progress + '%', this.progressNode);
                if (this.progressNode != null) {
                    this.progressNode.getComponent(cc.ProgressBar).progress = this.progress;
                }
            }
        };

        UtilsPrefabs.init(self.node).addPrefabs(UtilsPrefabs.PrefabsName[2], null, (node) => {
            // if (cc.sys.platform != cc.sys.WECHAT_GAME) {
            // }
            //获取登录按钮ui，用wx 接口获取临时链接
            WeChat.onGetPlayButtonPicture((data) => {
                // console.log('按钮图片：', data);
                self.loginbuttonImageUrl = data.tempFileURL;
                self.wxLogin();
            }, (err) => {
                console.error('获取按钮图片失败，检查网络！');
            })
        });

    },

    wxLogin() {
        let self = this;
        let isOnTap = false;

        wx.login({
            success: function (res) {
                if (res.code) {
                    console.log("登陆成功,获取到code", res.code);
                }
                //self.loginbuttonImageUrl
                // type: 'text',
                // text: '开始游戏',
                //image: 'https://7465-test-533989-1259102327.tcb.qcloud.la/pictures/PlayButtonnew.png?sign=545e70218ce3106a7e518fdfb8240c5e&t=1556089089',
                let button = wx.createUserInfoButton({
                    type: 'image',
                    image: self.loginbuttonImageUrl,
                    style: {
                        left: wx.getSystemInfoSync().screenWidth / 2 - 80,
                        top: wx.getSystemInfoSync().screenHeight - 230,
                        width: 160,
                        height: 60,
                        lineHeight: 40,
                        backgroundColor: '#fb94a9',
                        color: '#ffffff',
                        textAlign: 'center',
                        fontSize: 16,
                        borderRadius: 4
                    }
                })
                button.show();
                button.onTap((res) => {
                    // console.log(res)
                    if (res.errMsg == "getUserInfo:ok") {

                        if (isOnTap) return;
                        isOnTap = true;
                        //点击允许，授权
                        // console.log('已经授权。');
                        //全局函数
                        //注册或者登录用户信息
                        WeChat.onRegisterUser(res.userInfo,
                            (res) => {
                                //记录用户信息在全局变量
                                GlobalD.UserInfo = res.result.data.userinfo;
                                userData.openId = res.result.data.openid;
                                // console.log('用户信息：',);
                                //清除微信授权按钮
                                button.destroy();
                                self._showLoading();//显示载入loading
                                //全局函数
                                //获取游戏数据
                                WeChat.onGetGameData((res) => {
                                    console.log('获取的游戏数据：', res);
                                    //记录读取的数据到内存里面
                                    userData.readData = res.data;
                                    self._gotoScene();//跳转场景
                                })

                            }, (fail) => {//登录失败
                                isOnTap = false;
                            });
                    } else {
                        //点击拒绝，没有授权
                        console.log('不允许登录。');
                    }


                })
            }

        });
    },

    _showLoading() {
        console.log('显示载入预制');
        //显示载入预制
        UtilsPrefabs.init(this.node)
            .addPrefabs(UtilsPrefabs.PrefabsName[3], null, function (node) {
                node.y = -500;
                var bgbar = UtilsPrefabs.getNode("bgbar", node);
                this.progressNode = UtilsPrefabs.getNode("progress", bgbar);
                this.progressTag = true;
            }.bind(this));


    },
    _gotoScene() {
        cc.director.loadScene('MyCityScene - 004', function () {
            this.progressTag = false;
        }.bind(this));
    }

});