h5页面使用js实现保存当前图片到手机相册

 

 

很可惜，这个鬼东西微信内置浏览器不适用

 

页面：

    
    
    
    
    
    
    
    
    
    





    
节日贺卡
    






    


    


暂时木有海报哦






    
    
    
图片已保存到相册，可分享给好友
    
图片保存失败
    保存到相册

js:

/**
 * Created by wwj on 2019/03/11.
 */
$(document).ready(function(){
    pageShow = 9;
    nowPage = 1;
    loadDataId="my_poster_id";
    /*var url = window.basePath + "/h5/front/poster/toPoster";
    $.ajax({
        url: url,
        type: 'GET',
        dataType: 'json',
        data: {},
        success: function (rest) {
            $("#salesmanUuid").val(rest.data.salesmanUuid);
        }
    })*/

    pageCallBack()
});
function pageCallBack(){
    loadPosterContent();
}
function loadPosterContent(){
    var storeNo = getSessionStoreNo();
    var posterType = $("#posterType").val();
    var url = window.basePath + "/h5/front/poster/ajaxSearchPoster";
    $.ajax({
        url: url,
        type: 'POST',
        dataType: 'json',
        data: {currentPage: nowPage,pageShow:pageShow,storeNo:storeNo,posterType:posterType},
        success: function (rest) {
            console.log(rest)
            if(rest.result){
                appendPosterResult(rest);
            }else{
                $(".no_search_data").show();
            }
            console.log('start')
        }
    })
}
//拼接加载出来的产品
function appendPosterResult(data){
    var results = data.results;
    if(results!=null&&results.length>0){
        var appendHtml = "";
        for(var i=0;i
'+poster.posterTitle+'
';
            appendHtml +='
'
                        +'
'+poster.posterTitle+''
                       +'
';
        }
        $("#my_poster_id").append(appendHtml);
        $(".no_search_data").hide();
    }else{
        if(nowPage==1){
            totalPage = data.totalPage;
            $(".no_search_data").show();
        }
    }
    nowPage++;
    initPreviewJs();
}


//初始化图片预览效果js
function initPreviewJs(){
       $(".haibao-list li img").click(function(){
            var imgSrc = $(this)[0].src;
            $(".mark").fadeIn();
            $(".haibao-show").fadeIn().children("img").attr("src",imgSrc);
            
        })

    $(".btn-close-haibao,.mark").click(function(){
            $(".mark").fadeOut();
            $(".haibao-show").fadeOut();
            $("#successHint").hide();
            $("#failHint").hide();
            
        })
}

//保存到相册
function savePic(){         
    var picurl= $("#picurl").attr("src");
    //alert(picurl);
    savePicture(picurl);
}




var triggerEvent = "touchstart";
function savePicture(Url){
    var blob=new Blob([''], {type:'application/octet-stream'});
    var url = URL.createObjectURL(blob);
    var a = document.createElement('a');
    a.href = Url;
    a.download = Url.replace(/(.*\/)*([^.]+.*)/ig,"$2").split("?")[0];
    var e = document.createEvent('MouseEvents');
    e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
    a.dispatchEvent(e);
    URL.revokeObjectURL(url);
}
 

 

 

参考博客：https://blog.csdn.net/rentian1/article/details/84988590