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upload.php
?>
<script type="text/javascript">
var xhr;
function createxmlhttprequest()
{
if(window.activexobject)
{
xhr = new activexobject("microsoft.xmlhttp");
}
else if(window.xmlhttprequest)
{
xhr = new xmlhttprequest();
}
}
function upladfile()
{
var fileobj = document.getelementbyid("file").files[0];
var filecontroller = 'upload.php';
var form = new formdata();
form.append("myfile", fileobj);
createxmlhttprequest();
xhr.onreadystatechange = handlestatechange;
xhr.open("post", filecontroller, true);
xhr.send(form);
}
function handlestatechange()
{
if(xhr.readystate == 4)
{
if (xhr.status == 200 || xhr.status == 0)
{
var result = xhr.responsetext;
var json = eval("(" + result + ")");
alert('图片链接:\n'+json.file);
}
}
}
</script>
<style>
.txt{ height:28px; border:1px solid #cdcdcd; width:670px;}
.mybtn{ background-color:#fff; line-height:14px;vertical-align:middle;border:1px solid #cdcdcd;height:30px; width:70px;}
.file{ position:absolute; top:0; right:80px; height:24px; filter:alpha(opacity:0);opacity: 0;width:260px }
</style>
</head>
<body>
<div class="form-group">
<label class="control-label">图片</label>
<br/>
<input type='text' name='textfield' id='textfield' class='txt' />
<span onclick="file.click()" class="mybtn">浏览...</span>
<input type="file" name="file" class="file" id="file" size="28" onchange="document.getelementbyid('textfield').value=this.value" />
<span onclick="upladfile()" class="mybtn">上传</span>
</div>
</body>
</html>
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