图片上传即时显示缩略图的js代码
var allowExt = ['jpg', 'gif', 'bmp', 'png', 'jpeg']; var preivew = function(file, container){try{var pic = new Picture(file, container);}catch(e){ale
var allowExt = ['jpg', 'gif', 'bmp', 'png', 'jpeg']; var preivew = function(file, container){try{var pic = new Picture(file, container);}catch(e){ale