热更新app

App.vue

@@ -18,6 +18,9 @@ export default {
 	console.log(openSdk);
     this.setGlobalIMlistener();
     this.tryLogin();
+    // #ifdef APP-PLUS
+    checkUpdate(); // 直接调用独立函数，避免this问题
+    // #endif
     // #ifdef H5
     console.error(
       `暂时不支持运行到 Web，如果需要移动端的 Web 项目，参考 [H5 demo](https://github.com/openimsdk/openim-h5-demo)`
@@ -442,6 +445,74 @@ export default {
     },
   },
 };
+
+function checkUpdate() {
+  const localVersion = plus.runtime.version;
+  uni.request({
+    url: 'https://your-server.com/update/version.json',
+    success: (res) => {
+      const remoteVersion = res.data.version;
+      const wgtUrl = res.data.wgtUrl;
+      if (compareVersion(remoteVersion, localVersion) > 0) {
+        uni.showModal({
+          title: '发现新版本',
+          content: `检测到新版本（${remoteVersion}），是否立即下载并更新？`,
+          confirmText: '立即更新',
+          cancelText: '暂不更新',
+          success: (modalRes) => {
+            if (modalRes.confirm) {
+              uni.showLoading({title: '正在下载更新包...'});
+              uni.downloadFile({
+                url: wgtUrl,
+                success: (downloadResult) => {
+                  uni.hideLoading();
+                  if (downloadResult.statusCode === 200) {
+                    plus.runtime.install(downloadResult.tempFilePath, {force: true}, function() {
+                      uni.showModal({
+                        title: '更新完成',
+                        content: '应用需要重启才能生效，是否立即重启？',
+                        success: function (res) {
+                          if (res.confirm) {
+                            plus.runtime.restart();
+                          }
+                        }
+                      });
+                    }, function(e) {
+                      uni.showToast({title: '安装失败: ' + e.message});
+                    });
+                  } else {
+                    uni.showToast({title: '下载失败'});
+                  }
+                },
+                fail: () => {
+                  uni.hideLoading();
+                  uni.showToast({title: '下载失败'});
+                }
+              });
+            }
+          }
+        });
+      } else {
+        uni.showToast({title: '当前已是最新版本'});
+      }
+    },
+    fail: () => {
+      uni.showToast({title: '检查更新失败'});
+    }
+  });
+}
+
+function compareVersion(v1, v2) {
+  v1 = v1.split('.');
+  v2 = v2.split('.');
+  for (let i = 0; i < v1.length; ++i) {
+    const n1 = parseInt(v1[i] || '0');
+    const n2 = parseInt(v2[i] || '0');
+    if (n1 > n2) return 1;
+    if (n1 < n2) return -1;
+  }
+  return 0;
+}
 </script>
 
 <style lang="scss">