uniapp实现app版本更新下载


在index.vue 中的onload方法里面或者app.vue中的onLaunch中添加如下部分:

update() {

     uni.request({
     url: `${ this .$store.state.apiBaseUrl}/users/versions`,   //请求接口
     method:  'POST' ,
     success: result => {
         if  (result.data.code == 1) {
             plus.runtime.getProperty(plus.runtime.appid,  (inf) => {
                 if (inf.version != result.data.data.versions){
                     uni.showModal({
                         title:  "发现新版本" ,
                         content:  "确认下载更新" ,
                         success: (res) => {
                             if  (res.confirm ==  true ) { //当用户确定更新,执行更新
                                 this.doUpData();
                             }
                         }
                     })
                 }
             });
         }
     },
     })
},
 
doUpData() {
     uni.showLoading({
         title:  '更新中……'
     })
     uni.downloadFile({ //执行下载
         url:  '***' //下载地址
         success: downloadResult => { //下载成功
             uni.hideLoading();
             if  (downloadResult.statusCode == 200) {
                 uni.showModal({
                     title:  '' ,
                     content:  '更新成功,确定现在重启吗?' ,
                     confirmText:  '重启' ,
                     confirmColor:  '#EE8F57' ,
                     success:  function (res) {
                         if  (res.confirm ==  true ) {
                             plus.runtime.install( //安装
                                 downloadResult.tempFilePath, {
                                     force:  true
                                 },
                                 function (res) {
                                     utils.showToast( '更新成功,重启中' );
                                     plus.runtime.restart();
                                 }
                             );
                         }
                     }
                 });
             }
         }
     });
}


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