微信小程序上传图片后台java
/*微信小程序上传图片测试*/
@RequestMapping("wx_upload.do")
public void wx_upload(HttpServletRequest request, HttpServletResponse response) throws Exception {
("utf-8"); //设置编码
//获得磁盘文件条目工厂
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
String fileId = null;
String json = "{\"success\":false,\"fileName\":\"" + fileId + "\"}";
String pathUrl = FSDefaultMgr.E_DEFAULT.getDefaultUploadPathUrl();//获取图片服务器路径
InputStream inStream = null;
try {
//可以上传多个文件
List<FileItem> list = (List<FileItem>)(request);
for(FileItem item : list){
//获取表单的属性名字
String name = ();
//如果获取的 表单信息是普通的 文本 信息
if(()){
//获取用户具体输入的字符串 ，名字起得挺好，因为表单提交过来的是 字符串类型的
String value = () ;
(name, value);
}else {
//获取路径名
String filename = ();
(name, filename);
inStream = () ;
}
}
ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
byte[] buff = new byte[100];
int rc = 0;
while ((rc = (buff, 0, 100)) > 0) {
(buff, 0, rc);
}
byte[] bytes = ();
fileId = FastDFSClient.uploadFile(bytes, "", null);
if (fileId != null) {
json = "{\"success\":true,\"pathUrl\":\"" + pathUrl + "\",\"fileName\":\"" + fileId + "\"}";
}
().write(json);
().flush();
().close();
}catch (Exception e) {
();
}
}