<img src="/UploadFiles/2021-04-02/">

禁止鼠标拖动图片


<img src="/UploadFiles/2021-04-02/">

文字禁止鼠标选中


<p onselectstart="return false;">文字禁止鼠标选中</p>


禁止复制文本


<p onselect="document.selection.empty();">文字禁止鼠标选中</p>


jquery禁止文本复制和拷贝


$(document).bind("contextmenu copy selectstart", function() {
   return false;
});


jquery禁止图片拖拽


var img=$("img");
img.on("contextmenu",function(){return false;});
img.on("dragstart",function(){return false;});




ps：js保存图片到手机相册


/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);
}