html5 图片上传 预览

2018-06-24 01:18:49来源:未知 阅读 ()

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<html>
<body>
<fieldset>
<legend>测试</legend>
<div class="form-group">
<div class="img-preview rl">
<form id="index_form1" name="index_form1" role="form" method="post" enctype="multipart/form-data" style="float: left;">

<div class="mui-col-xs-4 img-upload mui-text-center iconfont icon-shangchuantupian rl mui-pull-left" id="picone" style="background-image: url(imgs/andd.png);background-size:cover ;">
<span style="font-size: 15px; padding-left: 20px; position: absolute; float: left; margin-top: 104px;">测试</span>
<input type="file" class="wid-100 ab file" id="uploadpic1" name="uploadpic1"  capture="camera"   accept="image/*"  onchange='doChange(this)'; />

<div class="mui-clearfix"></div>
</div>

</form>

</div>
</div>
</fieldset>

<img id="img1" src="a.jpg" style="width:200px;height:200px"/>
</body>
</html>

 

<script>

    if (typeof FileReader == 'undefined') {
        alert("抱歉,你的浏览器不支持FileReader");
    }

function doChange(obj)
{
    html5ImgLocalReader('uploadpic1', 'img1');
}

function html5ImgLocalReader(fileId, imgId) {
    var file1 = document.getElementById(fileId);
    var file = file1.files[0];    
    var reader = new FileReader();
    reader.readAsDataURL(file);

    reader.onload = function (e) {
        document.getElementById(imgId).src=this.result;
        //document.getElementById(imgId).style.backgroundImage = "url("+this.result+")";
    }
}
</script>

  

From:http://www.cnblogs.com/xuejianxiyang/p/6845162.html

 

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