HTML select pictures and directly preview the implementation code
This article mainly shares with you the implementation code of selecting images in HTML and previewing them directly. I hope you can use the code in this article to achieve the effect of selecting images in HTML and previewing them directly.
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>选择图片并预览</title>
<script type="text/javascript">
function getFileUrl(sourceId) {
var url;
if (navigator.userAgent.indexOf("MSIE")>=1) { // IE
url = document.getElementById(sourceId).value;
} else if(navigator.userAgent.indexOf("Firefox")>0) { // Firefox
url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0));
} else if(navigator.userAgent.indexOf("Chrome")>0) { // Chrome
url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0));
}
return url;
}
function preImg(sourceId, targetId) {
var url = getFileUrl(sourceId);
var imgPre = document.getElementById(targetId);
imgPre.src = url;
}
</script>
</head>
<body>
<p>
<br />
<br />
<a>上传者：<input type="text" /></a>
<br />
<br />
<form action="">
<input type="file" name="imgOne" id="imgOne" onchange="preImg(this.id,'photo');" />
<br />
<br />
<img src="/static/imghwm/default1.png" data-src="" style="max-width:90%"lazy" id="photo" width="300px" height="300px" style="display: block;" / alt="HTML select pictures and directly preview the implementation code" >
</form>
</p>
</body>
</html>Related recommendations:
input type=file Select pictures and achieve detailed preview
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