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上传本地图片兼容苹果安卓

2016-09-13 12:12 411 查看

<!DOCTYPE HTML>

<html>

<head>

<title>上传图片</title>

<meta charset="utf-8">

</head>

<body>

<iframe name="uploadfrm" id="uploadfrm" style="display: none;"></iframe>

<form name="formHead" method="post" action="" id="formHead" enctype="multipart/form-data" target="uploadfrm">

<div>

<div>

<input type="file" name="file_head" id="file_head" onchange="javascript:setImagePreview();" />

</div>

<div>

<div id="DivUp" style="display: none">

<input type="submit" data-inline="true" id="BtnUp" value="确认上传" data-mini="true" />

</div>

</div>

</div>

</form>

<div data-role="fieldcontain">

<div id="localImag">

<img id="preview" width="-1" height="-1" style="display: none" />

</div>

</div>

<script type="text/javascript">

function setImagePreview() {

var preview, img_txt, localImag, file_head = document.getElementById("file_head"),

picture = file_head.value;

if (!picture.match(/.jpg|.gif|.png|.bmp/i)) return alert("您上传的图片格式不正确，请重新选择！"),

!1;

if (preview = document.getElementById("preview"), file_head.files && file_head.files[0]) preview.style.display = "block",

preview.style.width = "63px",

preview.style.height = "63px",

preview.src = window.navigator.userAgent.indexOf("Chrome") >= 1 || window.navigator.userAgent.indexOf("Safari") >= 1 ? window.webkitURL.createObjectURL(file_head.files[0]) : window.URL.createObjectURL(file_head.files[0]);

else {

file_head.select(),

file_head.blur(),

img_txt = document.selection.createRange().text,

localImag = document.getElementById("localImag"),

localImag.style.width = "63px",

localImag.style.height = "63px";

try {

localImag.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)",

localImag.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = img_txt

} catch(f) {

return alert("您上传的图片格式不正确，请重新选择！"),

!1

}

preview.style.display = "none",

document.selection.empty()

}

return document.getElementById("DivUp").style.display = "block",

!0

}

</script>

</body>

</html>

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标签： js jquery css html

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