js实现单文件上传

最新推荐文章于 2024-08-24 08:28:00 发布

原创最新推荐文章于 2024-08-24 08:28:00 发布 · 259 阅读

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CC 4.0 BY-SA版权

文章标签：

#html #js #web #css #html5

html

<div class="col-sm-6">
    <div class="col-sm-12 xz-box">
        <button class="form-control ajbl-btn">选择文件</button>
	<input type="file" class="col-sm-12 form-control ajbl-choose" style="opacity: 0;" />
    </div>
    <ul class="col-sm-12"></ul>
</div>

css

.scwj{
	height: 34px;
	line-height: 34px;
	margin-bottom: 0;
	text-align: right;
}
.ajbl-btn{
	position: absolute;
	left: 0;
	top: 0;
	border: none;
	background: #5671e6;
	color: #FFFFFF;
	z-index: 1;
	border-radius: 2px;
}
.ajbl-btn:focus{
	box-shadow: none;
}
.work-box-ul4{
	margin-top: 10px;
}
.xz-box{
	position: relative;
	height: 34px;
}
.ajbl-choose {
	position: absolute;
	left: 0;
	top: 0;
	border: none;
	background: #456df0;
	color: #FFFFFF;
	z-index: 2;
}
.fj-shows{
	line-height: 28px;
}
.xzfiles-show{
	display: block!important;
	max-height: 200px;
	overflow: auto;
}
.xzfiles-show li{
	position: relative;
	width: 100%;
	line-height: 20px;
	padding: 10px;
}
.xzfiles-show li:hover{
	background: #f6f9fd;
}
.xzfiles-show li:hover img{
	display: inline-block;
}
.xzfiles-show li i img{
	position: absolute;
	right: 10px;
	top: 50%;
	margin-top: -6px;
	display: none;
	vertical-align: middle;
}
.typepic{
	margin-right: 5px;
}

<script type="text/javascript">
    var fileNum = 0;
    function fileChange(obj) {
	var files = obj.files;
		
	if(files.length > 0) {
	    fileNum++;
	    var fileName = files[0].name;
	    var spanText = '<li>' + '</i>' + '<span for="file' + fileNum + '">' + fileName + '</span>' + '<i style="padding: 0 10px;font-style:normal;" class="closed"><img src="../../assets/images/fa-img-del.png" /></i>' + '<br>' + '</li>'
	    var inputHide = '<input type="file" id="file' + fileNum + '" value="" />';
	    $(".xzfiles-show").append(spanText);
	    $(".xzfiles-show .del-file").removeClass("none");
	    $(".hide-box").append(inputHide);
	} else {
	    $(".xzfiles-show").text("");
	    $(".xzfiles-show .del-file").addClass("none");
	}
    }
		
    //删除附件
    $(document).on('click', '.closed', function() {
	this.parentElement.remove();
	var delFileid = this.previousElementSibling.getAttribute("for");
	document.getElementById("delFileid");
	document.getElementById(delFileid).remove();
	
    })
</script>