From 47e544d805da158e4ed3292f29afc8ad29272bbf Mon Sep 17 00:00:00 2001
From: ArH <626019610@qq.com>
Date: Tue, 7 Aug 2018 10:34:26 +0800
Subject: [PATCH] Add files via upload

---
 hotfix.js | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 hotfix.js

diff --git a/hotfix.js b/hotfix.js
new file mode 100644
index 0000000..19684fe
--- /dev/null
+++ b/hotfix.js
@@ -0,0 +1,168 @@
+let newVersion,
+  localVersion,
+  downloadUrl,
+  updateSilence = false;
+// 检查更新
+export function checkUpdate(updateUrl) {
+  // 获取当前应用版本信息
+  getProperty()
+    .then(inf => {
+      localVersion = inf.version; //当前版本      // 获取版本信息
+      return ajax(updateUrl, {
+        version: plus.runtime.version, // 版本 用于统计
+        os: plus.os, //系统信息 用于统计
+        device: plus.device //设备信息  用于统计
+      });
+    })
+    .then(data => {
+      // 查看最新版本信息
+      newVersion = data.name;
+      // 如果版本相等
+      if (!compareVersion(newVersion, localVersion)) return false;
+      // 处理静默更新/提示更新
+      downloadUrl = data.android_url;
+
+      // 处理不同平台 如果只热更新安卓
+
+      if (data.platform !== "both") {
+        if (isAndroid()) {
+          if (data.platform !== "android") return false;
+        }
+        // 如果只热更新苹果
+        if (isIos()) {
+          if (data.platform !== "ios") return false;
+        }
+      }
+      // 如果是apk安装,是没法静默更新的
+      if (data.type !== "apk" && data.hotupdate_type === "silence") {
+        updateSilence = true;
+        downWgt(downloadUrl);
+        return false;
+      }
+      // 如果是苹果系统,且更新为安装则不做处理
+      if (isIos() && data.type === "apk") {
+        return false;
+      }
+      return confirm(data.description, data.title);
+    })
+    .then(selected => {
+      if (selected.index === 0) {
+        // 如果是苹果系统 然后是安装包
+        downWgt(downloadUrl);
+      }
+    })
+    .catch(error => {
+      console.log(error);
+      //即使错误也不做任何处理
+    });
+}
+// 下载wgt文件
+function downWgt(url) {
+  !updateSilence && plus.nativeUI.showWaiting("下载更新文件...");
+  plus.downloader
+    .createDownload(url, { filename: "_doc/update/" }, function(d, status) {
+      if (status == 200) {
+        console.log("下载wgt成功：" + d.filename);
+        installWgt(d.filename); // 安装wgt包
+      } else {
+        console.log("下载wgt失败！");
+        !updateSilence && plus.nativeUI.alert("下载更新文件失败！");
+      }
+      !updateSilence && plus.nativeUI.closeWaiting();
+    })
+    .start();
+}
+// 更新应用资源
+function installWgt(path) {
+  !updateSilence && plus.nativeUI.showWaiting("安装更新文件...");
+  plus.runtime.install(
+    path,
+    {},
+    function() {
+      !updateSilence && plus.nativeUI.closeWaiting();
+      console.log("更新成功！");
+      !updateSilence && plus.nativeUI.toast("更新完成");
+      !updateSilence && plus.runtime.restart();
+    },
+    function(e) {
+      !updateSilence && plus.nativeUI.closeWaiting();
+      console.log("安装wgt文件失败[" + e.code + "]：" + e.message);
+      !updateSilence &&
+        plus.nativeUI.alert("更新失败[" + e.code + "]：" + e.message);
+    }
+  );
+}
+
+// 判断版本大小 a>=b : true 大于等于
+function compareVersion(curV, reqV) {
+  if (curV && reqV) {
+    //将两个版本号拆成数字
+    var arr1 = curV.split("."),
+      arr2 = reqV.split(".");
+    var minLength = Math.min(arr1.length, arr2.length),
+      position = 0,
+      diff = 0;
+    //依次比较版本号每一位大小，当对比得出结果后跳出循环（后文有简单介绍）
+    while (
+      position < minLength &&
+      (diff = parseInt(arr1[position]) - parseInt(arr2[position])) == 0
+    ) {
+      position++;
+    }
+    diff = diff != 0 ? diff : arr1.length - arr2.length;
+    //若curV大于reqV，则返回true
+    return diff > 0;
+  } else {
+    //输入为空
+    console.log("版本号不能为空");
+    return false;
+  }
+}
+
+function isAndroid() {
+  const ua = navigator.userAgent;
+  return ua.match(/(Android);?[\s\/]+([\d.]+)?/);
+}
+
+function isIos() {
+  const ua = navigator.userAgent;
+  return ua.match(/(iPhone\sOS)\s([\d_]+)/);
+}
+
+function getProperty() {
+  return new Promise(resolve => {
+    plus.runtime.getProperty(plus.runtime.appid, function(inf) {
+      resolve(inf);
+    });
+  });
+}
+
+function confirm(message, title = "确认") {
+  return new Promise(resolve => {
+    // plus.nativeUI.confirm(message, resolve, title, ["确认更新", "取消"]);
+    plus.nativeUI.confirm(message, resolve, {
+      title: title,
+      buttons: ["确认更新", "取消"],
+      verticalAlign: "bottom"
+    });
+  });
+}
+
+function ajax(url, data) {
+  return new Promise((resolve, reject) => {
+    var xhr = new XMLHttpRequest();
+    xhr.open("post", url, true);
+    // 设置请求头 告诉服务器发给他的数据是json格式
+    xhr.setRequestHeader("content-type", "application/json");
+    xhr.send(JSON.stringify(data));
+    xhr.onreadystatechange = function() {
+      if (xhr.readyState == 4) {
+        if (xhr.status >= 200 && xhr.status < 300) {
+          resolve(JSON.parse(xhr.responseText));
+        } else {
+          reject(xhr);
+        }
+      }
+    };
+  });
+}