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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script src=‘http://code.jquery.com/jquery-1.9.1.min.js‘></script>
<script src=‘jquery.base64.js‘></script>
<script type="text/javascript">
//base64转码函数
function base64(file, callback)
{
var coolFile = {};
function readerOnload(e)
{
var base64 = btoa(e.target.result);
coolFile.base64 = base64;
callback(coolFile)
};
var reader = new FileReader();
reader.onload = readerOnload;
var file = file[0].files[0];
coolFile.filetype = file.type;
coolFile.size = file.size;
coolFile.filename = file.name;
reader.readAsBinaryString(file);
}
function aa()
{
//var preview = document.querySelector(‘img‘);
//var file = document.querySelector(‘#files‘).files[0];
var name = $(‘#files‘).val();
base64($(‘input[type="file"]‘), function(data)
{
//console.log(data.base64)
var data = {
"file":{
"file":data.base64,
"filename":name,
"filepath":"public://"+name
}
};
options = {
type:"post",
data:data,
url: "http://demo.dd:8083/userapi/app_services/UploadFile",
dataType: ‘json‘,
success:function(result){
console.log(JSON.stringify(result));
}
};
$.ajax(options);
})
}
</script>
</head>
<body>
<input type="file" id="files" value="图片上传">
<input type="button" value="上传" id="bb" onclick="aa()">
<br>
<hr>
<img src="" height="200" alt="Image preview...">
</body>
</html>
使用javascript把图片转成base64位编码，然后传送到服务端（ajax调用的接口基于drupa7）
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原文地址：http://www.cnblogs.com/zuimaizi/p/5045590.html
