我只是想将二进制数据插入到blob字段中,我收到错误:
@RequestMapping(value = "/media/image/upload", method = RequestMethod.POST)
@ResponseBody
public Map<String, String> productPictureUploadnew(MultipartHttpServletRequest request, HttpServletResponse response) {
Map<String, String> resp = new HashMap<>();
System.out.println("fsasasafsafsafsafsa");
Iterator<String> itr = request.getFileNames();
String photoCake = request.getParameter("photoCak");
File file;
----------
-------
----------
return resp;
}
我有以下代码:
java.sql.SQLException: not implemented by SQLite JDBC driver
at org.sqlite.Unused.unused(Unused.java:31)
at org.sqlite.PrepStmt.executeUpdate(PrepStmt.java:588)
at db.DbFunctionsMap.sqlInsertWithBinary(DbFunctionsMap.java:42)
at maps.MapCacheHelper.cacheMapDef2Db_externalize(MapCacheHelper.java:217)
at maps.MapCacheHelper.cacheMapDefs(MapCacheHelper.java:185)
binarydata的类型为PreparedStatement prep = connectionWrite.prepareStatement("INSERT INTO mapdefcache (identifier,cache) values('myid',?)");
prep.setBytes(1, binarydata);
prep.executeUpdate(sql); <<<< !----------- not implemented by SQLite JDBC driver !
prep.close();
有人可以帮助我吗?
答案 0 :(得分:0)
对于所有困扰这个愚蠢问题的人抱歉。首先,我想删除这个问题,但也许有人陷入同一个陷阱。
我从“Internet”复制了一些代码,错误地没有看到prep.executeUpdate的参数已经过时,并认为它是blob的问题。 这么简单 prep.executeUpdate();做了伎俩。