129 lines
4.4 KiB
JavaScript
129 lines
4.4 KiB
JavaScript
/**
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* 方便直接获取当前版本号等信息.
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* 使用方式:
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* // @ts-ignore
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* import UpdateManager = require( "UpdateManager");
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* 然后在代码中直接使用即可.
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*/
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class UpdateManager {
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cur_ver_code = 0;
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cur_ver_name = "1.0.1";
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cur_ver_desc = "";
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ver_type = "dev";
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new_ver_code = 0;
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new_ver_name = "1.0.1";
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new_ver_desc = "";
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new_ver_info = {};
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// 记录当前版本的bundles. 如果有新版本, 则自动下载新bundles.
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cur_bundles = {};
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updateSuccess = "0";
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constructor() {
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const curVer = window.localStorage.getItem("cur_ver_info");
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if (curVer) {
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const verInfo = JSON.parse(curVer);
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this.new_ver_code = this.cur_ver_code = verInfo.versionCode;
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this.new_ver_name = this.cur_ver_name = verInfo.versionName;
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this.ver_type = verInfo.versionType;
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this.new_ver_desc = this.cur_ver_desc = verInfo.versionLog;
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this.new_ver_info = verInfo;
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this.cur_bundles = verInfo.bundleVers;
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}
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this.updateSuccess = window.localStorage.getItem("ver_updated") || 0;
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this.fetchNewVerInfo();
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}
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// 此方法适用于非强制更新包. 需要设计信息界面,显示版本信息.
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// 手动调用进行更新下载, 下载完成返回true, 此时需要重启游戏才能应用更新. 需要界面提示用户.
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doUpdate() {
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if (this.hasNewVersion()) {
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window.localStorage.setItem('cur_ver_info', JSON.stringify(this.new_ver_info));
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return true;
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}
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return false;
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}
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resetUpdateFlag() {
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window.localStorage.setItem('ver_updated', '0');
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}
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getUpdateFlag() {
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return this.updateSuccess == 1;
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}
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// 检测是否有新版本.
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hasNewVersion() {
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return this.new_ver_info && this.new_ver_info.versionCode && this.new_ver_info.versionCode != this.cur_ver_code;
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}
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fetchNewVerInfo() {
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let url = window.updateUrl || false;
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if (!url) {
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return;
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}
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// 游戏启动后再请求更新,避免影响启动速度.
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url += `?_t=${Math.random()}`;
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cc.log("请求更新地址:", url);
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this._get(url).then(version => {
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if (!version) {
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console.log("未检测到更新版本内容");
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return;
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}
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if (version) {
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cc.log('当前版本号:', this.cur_ver_code, this.cur_ver_name);
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cc.log('请求更新内容:', version);
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let verInfo = version;
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if (typeof version === 'string') {
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verInfo = JSON.parse(version);
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}
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this.new_ver_code = verInfo.versionCode;
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this.new_ver_name = verInfo.versionName;
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this.new_ver_desc = verInfo.versionLog;
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this.new_ver_info = verInfo;
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// 如果首次运行,本地未缓存版本信息,则进行缓存.
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if (!this.cur_ver_code) {
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cc.log("当前首次运行,记录版本信息");
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window.localStorage.setItem('cur_ver_info', JSON.stringify(this.new_ver_info));
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this.new_ver_code = this.cur_ver_code = verInfo.versionCode;
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this.new_ver_name = this.cur_ver_name = verInfo.versionName;
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this.ver_type = verInfo.versionType;
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this.new_ver_desc = this.cur_ver_desc = verInfo.versionLog;
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} else if (this.hasNewVersion() && verInfo.forceUpdate) {
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window.localStorage.setItem('cur_ver_info', JSON.stringify(this.new_ver_info));
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window.localStorage.setItem('ver_updated', '1');
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cc.log("有新版本,且默认强制更新");
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}
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}
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});
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}
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// ajax 请求.
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_get(url) {
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return new Promise(resolve => {
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const ajax = new XMLHttpRequest();
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ajax.open("get", url, true);
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ajax.setRequestHeader("Content-Type", "application/json;charset=utf-8");
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ajax.onreadystatechange = function () {
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if (ajax.readyState == 4) {
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if (ajax.status == 200) {
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resolve(ajax.responseText);
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} else {
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resolve(null);
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}
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}
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}
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ajax.send(null);
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});
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}
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}
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module.exports = new UpdateManager(); |