Ext & Java 上存图片 Demo
Ext
<html>
<head>
<script id="microloader" type="text/javascript" src="ext-all-debug.js"></script>
<link rel="stylesheet" type="text/css" href="ext-all.css">
</head>
<script type="text/javascript">
Ext.require([
'Ext.*'
]);
Ext.onReady(function() {
Ext.create('Ext.form.Panel', {
title:'upload',
width: 400,
layout: {
type: 'vbox',
align : 'stretch'
},
items:[{
xtype: 'fieldset',
title: '上存图片',
items: [{
xtype: 'filefield',
fieldLabel: "MyPhoto:",
name: 'photo',
accept: 'image'
},{
xtype: 'textfield',
fieldLabel: 'param',
name: 'test'
}],
}],
buttons:[{
text:'upload',
handler:function(btn){
var formPanel = btn.up('form');
formPanel.submit({
url: '../controller/app/uploadFile',
waitMsg: 'Uploading file...',
params: formPanel.getValues(),
timeout: 120,
success: function(form, action) {
},
failure: function(form, action) {
}
});
}
}],
renderTo: Ext.getBody()
});
})
</script>
<body>
</body>
</html>
Java
@Controller
@RequestMapping("app")
public class WebController {
@RequestMapping(value = "uploadFile", method = RequestMethod.POST)
public String uploadFile(
MultipartHttpServletRequest request,
HttpServletResponse response,
String test) throws Exception{
String userAgent = request.getHeader("User-Agent");
log.info("userAgent: " + userAgent);
Iterator<String> its = request.getFileNames();
if(its.hasNext()){
MultipartFile file = request.getFile(its.next());
String name = file.getOriginalFilename();
byte[] bytes = null;
if (name != null) {
bytes = file.getBytes();
}
//创建输出流
FileOutputStream outStream = new FileOutputStream("d://" + name);
//写入数据
outStream.write(bytes);
//关闭输出流
outStream.close();
}
return "success";
}
}
