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{
xtype: 'fieldset',
autoHeight:true,
title: '签名图片',
labelWidth : 80,
layout: 'form',
items:[{ xtype: 'textfield',
id: 'userInfoForm_UserForm_fileImg',
name: 'fileImg',
width:355,
height:20,
fieldLabel : '签名图片',
inputType : 'file',
fileUpload: true ,
frame: true,
maxLength : 50
}],
buttons: [{
text:'上传签名',
handler:function () {
var UserFilePath = Ext.getCmp('userInfoForm_UserForm_fileImg').getValue(); var UserFilePaths='';
var UserName=Ext.getCmp('userInfoForm_UserForm_username').getValue();
if(UserFilePath!=null&&UserFilePath!=''){
UserFilePaths=UserFilePath.substring(UserFilePath.length-3,UserFilePath.length);
if(UserFilePaths=='jpg'||UserFilePaths=='gif'||UserFilePaths=='png'||UserFilePaths=='bmp'||UserFilePaths=='peg'){//判断是否是图片
Ext.getCmp('userInfoForm_UserForm').form.doAction('submit',{ //提交
url:'userInfo.html?method=saves',
params:{UserFilePath:UserFilePath,UserName:UserName},
callback:function(options,success,response){
var json = Ext.util.JSON.decode(response.responseText);
if(json.success){
showMsg('签名图片上传成功!','3');
}else{alert('上传失败');}
}
});
}else{showMsg('请选择正确的图片!','3');}
}else{showMsg('请选择图片再点击上传!','3');}
}
}
]},
上面代码是在java
public void saves(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)throws Exception{
String UserFilePath=(String)request.getAttribute("UserFilePath") ;//获取前台路径(但是传入的是C:\fakepath\文件名称)
String UserName=request.getParameter("UserName"); //用户账号
System.out.println(UserFilePath);
// String path =request.getRealPath("/files");
JSONObject json = new JSONObject();
User user=new User();
boolean flag=false;
try {
File files=new File(UserFilePath);
byte[] destFileByte= FileUtils.readFileToByteArray(files) ;//转换为二进制
IUserManager userManager = (IUserManager) AppService.System.UserManager.get(this);//创建用户管理对象
user.setSigmature_Img(destFileByte);//将图片存入实体类
user.setUsername(UserName);//姓名
flag=userManager.InsertSigmature_Img(user);//成功返回true
if(flag){
json.put("success",true);
}
json.put("success","111");
} catch (Exception e) {
e.printStackTrace();
}
writeJson(response,json);
}