app每次更新版本时调用js代码提示用户下载更新

var url = '网络地址';
//APP升级
var wait;
function update(){
    //判断操作系统
    var system = 'android';
    if(mui.os.ios){
        system = 'ios';
    }
    mui.getJSON(url+'/apicommon/update/index',{
            app:'cooperatives',
            system:system,
            version:plus.runtime.version
        },function(data){
            //data = JSON.stringify(data);
            if(data.code==){
                var APPInfo = data.data;
                if(APPInfo.colum=='full'){
                    mui.confirm(APPInfo.brief, APPInfo.name, ['稍后','立即升级'], function(e) {
                        if(e.index==){
                            if(system=='android'){
                                //当苹果调整进市场下载
                                plus.runtime.openURL(APPInfo.url);
                                plus.nativeUI.closeWaiting();
                            }else{
                                wait = plus.nativeUI.showWaiting("下载升级文件",{width:'100%',height:'100%',round:,background:'rgba(0,0,0,0.3)'});
                                //当安卓及其他下载
                                var dtask = plus.downloader.createDownload(url+APPInfo.url, {}, function(d, status){
                                    if(status == ){
                                        console.log(d.filename);
                                        wait.setTitle("安装APP更新");
                                        plus.runtime.install(d.filename,{},function(){
                                            plus.nativeUI.closeWaiting();
                                            mui.alert('应用安装完成', '升级成功', '确认重启', function(e) {
                                                plus.runtime.restart();
                                            });
                                            delFile(d.filename);
                                        },function(e){
                                            plus.nativeUI.closeWaiting();
                                            mui.toast('安装失败');
                                            delFile(d.filename);
                                        });
                                    } else {
                                        plus.nativeUI.closeWaiting();
                                        mui.toast('下载失败');
                                    }
                                });
                                dtask.addEventListener("statechanged", onStateChanged, false);
                                dtask.start();
                            }
                        }
                    });
                }else{
                    var dtask = plus.downloader.createDownload(url+APPInfo.url, {}, function(d, status){
                        if(status == ){
                            plus.runtime.install(d.filename,{},function(){
                                delFile(d.filename);
                            },function(e){
                                delFile(d.filename);
                            });
                        }
                    });
                    dtask.start();
                }
                //plus.navigator.closeSplashscreen();
            }
    });
}
function onStateChanged(download, status) {
    wait.setTitle((download.downloadedSize/( * )).toFixed()+'MB/'+(download.totalSize/( * )).toFixed()+'MB');
}
function delFile(filename) {
    plus.io.resolveLocalFileSystemURL(filename, function(entry) {
        entry.remove();
    });
}

//打开新窗口
function opens(url,data){
    mui.openWindow({
        url:url,
        id:url,
        waiting:{
            autoShow:false,
        },
        show:{
          aniShow:"pop-in"
        },
        extras:data
    });
}
//登录窗口
function login_open(url,data){
    mui.openWindow({
        url:url,
        id:url,
        waiting:{
            autoShow:false,
        },
        show:{
          aniShow:"slide-in-bottom"
        },
        extras:data
    });
}
//登录窗口
function search_open(url,data){
    mui.openWindow({
        url:url,
        id:url,
        waiting:{
            autoShow:false,
        },
        show:{
          aniShow:"none"
        },
        extras:data
    });
}
//监听状态栏
mui.ready(function() {});
mui.plusReady(function() {});

/* mui.ajax(url+'apicommon/update/index',{
        data:{
            app:'cooperatives',
            system:'ios',
            version:plus.runtime.version
        },
        dataType:'json',//服务器返回json格式数据
        type:'post',//HTTP请求类型
        success:function(data){
            console.log('加载：3');
            response = JSON.stringify(data);
            console.log('加载：'+response);
            plus.navigator.closeSplashscreen();
        },
        error:function(xhr,type,errorThrown){
            //异常处理；
            console.log('异常：'+type);
        }
    }); */