"file upload"
Bootstrap 3.3.0 Snippet by Mehedi-BN

<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <style> .hide-text{font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0;} .input-block-level{display:block;width:100%;min-height:30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;} .btn-file{overflow:hidden;position:relative;vertical-align:middle;}.btn-file>input{position:absolute;top:0;right:0;margin:0;opacity:0;filter:alpha(opacity=0);transform:translate(-300px, 0) scale(4);font-size:23px;direction:ltr;cursor:pointer;} .fileupload{margin-bottom:9px;}.fileupload .uneditable-input{display:inline-block;margin-bottom:0px;vertical-align:middle;cursor:text;} .fileupload .thumbnail{overflow:hidden;display:inline-block;margin-bottom:5px;vertical-align:middle;text-align:center;}.fileupload .thumbnail>img{display:inline-block;vertical-align:middle;max-height:100%;} .fileupload .btn{vertical-align:middle;} .fileupload-exists .fileupload-new,.fileupload-new .fileupload-exists{display:none;} .fileupload-inline .fileupload-controls{display:inline;} .fileupload-new .input-append .btn-file{-webkit-border-radius:0 3px 3px 0;-moz-border-radius:0 3px 3px 0;border-radius:0 3px 3px 0;} .thumbnail-borderless .thumbnail{border:none;padding:0;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;} .fileupload-new.thumbnail-borderless .thumbnail{border:1px solid #ddd;} </style> <div class="fileupload fileupload-new" data-provides="fileupload"> <span class="btn btn-primary btn-file"> <span class="fileupload-new">Выбрать файл</span> <span class="fileupload-exists">Выбрать другой файл</span> <input type="file" /> </span> <span class="fileupload-preview"></span> <a href="#" class="close fileupload-exists" data-dismiss="fileupload" style="float: none">×</a> </div> <script> var file = undefined; ! function(e) { var t = function(t, n) { this.$element = e(t), this.type = this.$element.data("uploadtype") || (this.$element.find(".thumbnail").length > 0 ? "image" : "file"), this.$input = this.$element.find(":file"); if (this.$input.length === 0) return; this.name = this.$input.attr("name") || n.name, this.$hidden = this.$element.find('input[type=hidden][name="' + this.name + '"]'), this.$hidden.length === 0 && (this.$hidden = e('<input type="hidden" />'), this.$element.prepend(this.$hidden)), this.$preview = this.$element.find(".fileupload-preview"); var r = this.$preview.css("height"); this.$preview.css("display") != "inline" && r != "0px" && r != "none" && this.$preview.css("line-height", r), this.original = { exists: this.$element.hasClass("fileupload-exists"), preview: this.$preview.html(), hiddenVal: this.$hidden.val() }, this.$remove = this.$element.find('[data-dismiss="fileupload"]'), this.$element.find('[data-trigger="fileupload"]').on("click.fileupload", e.proxy(this.trigger, this)), this.listen() }; t.prototype = { listen: function() { this.$input.on("change.fileupload", e.proxy(this.change, this)), e(this.$input[0].form).on("reset.fileupload", e.proxy(this.reset, this)), this.$remove && this.$remove.on("click.fileupload", e.proxy(this.clear, this)) }, change: function(e, t) { if (t === "clear") return; var n = e.target.files !== undefined ? e.target.files[0] : e.target.value ? { name: e.target.value.replace(/^.+\\/, ""), size: e.target.value.size, } : null; if (!n) { this.clear(); return } this.$hidden.val(""), this.$hidden.attr("name", ""), this.$input.attr("name", this.name); if (typeof FileReader != "undefined") { var r = new FileReader, i = this.$preview, s = this.$element; r.onload = function(e) { var result = { name: n.name, data: e.target.result, size: n.size, } i.text(result.name), s.addClass("fileupload-exists").removeClass("fileupload-new") }, r.readAsDataURL(n) } else this.$preview.text(n.name), this.$element.addClass("fileupload-exists").removeClass("fileupload-new") }, clear: function(e) { this.$hidden.val(""), this.$hidden.attr("name", this.name), this.$input.attr("name", ""); if (navigator.userAgent.match(/msie/i)) { var t = this.$input.clone(!0); this.$input.after(t), this.$input.remove(), this.$input = t } else this.$input.val(""); this.$preview.html(""), this.$element.addClass("fileupload-new").removeClass("fileupload-exists"), e && (this.$input.trigger("change", ["clear"]), e.preventDefault()) file = undefined; }, reset: function(e) { this.clear(), this.$hidden.val(this.original.hiddenVal), this.$preview.html(this.original.preview), this.original.exists ? this.$element.addClass("fileupload-exists").removeClass("fileupload-new") : this.$element.addClass("fileupload-new").removeClass("fileupload-exists") }, trigger: function(e) { this.$input.trigger("click"), e.preventDefault() } }, e.fn.fileupload = function(n) { return this.each(function() { var r = e(this), i = r.data("fileupload"); i || r.data("fileupload", i = new t(this, n)), typeof n == "string" && i[n]() }) }, e.fn.fileupload.Constructor = t, e(document).on("click.fileupload.data-api", '[data-provides="fileupload"]', function(t) { var n = e(this); if (n.data("fileupload")) return; n.fileupload(n.data()); var r = e(t.target).closest('[data-dismiss="fileupload"],[data-trigger="fileupload"]'); r.length > 0 && (r.trigger("click.fileupload"), t.preventDefault()) }) }(window.jQuery) </script>
/* leave this part out */ body{text-align:center; padding-top:30px;} /* leave this part out */

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