Web调用安卓，苹果手机摄像头，本地图片和文件

由于要给一个客户做一个记账WAP，里面有调用手机拍照功能，这里记录一下，以供需要的朋友，下面是完整的一个HTML页面内容，放在服务器上然后浏览就可以了，只支持Chrome和Safari核的浏览器，我测试过QQ浏览器，Chrome，Safari浏览器都可以。在不同的手机和浏览器上面展现的方式不一样。

[html]view plaincopyprint? 
<!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>