otl操作大型文本和图片

conn.set_max_long_size(60000);
  otl_stream o;
  o.set_lob_stream_mode(true);
  string sql="insert into tbperson(name,zhicheng,zhiwei,type,ordernum,oid,content,img) values("
    ":name<char[51]>,"
    ":zhicheng<char[51]>,"
    ":zhiwei<char[51]>,"
    ":type<int>,"
    ":ordernum<int>,"
    ":oid<int>,"
    ":content<varchar_long>,"
    ":img<raw_long>"
    ")";
  o.open(1,sql.c_str(),conn);
  o.set_commit(0);

  char name[52];
  char zhicheng[52];
  char zhiwei[52];
  strcpy(name,info.name.c_str());
  strcpy(zhicheng,info.zhicheng.c_str());
  strcpy(zhiwei,info.zhiwei.c_str());

  o<<name;
  o<<zhicheng;
  o<<zhiwei;
  o<<info.type;
  o<<info.ordernum;
  o<<info.oid;

  otl_lob_stream lob;
  otl_lob_stream lobImg;

  o<<lob;
  o<<lobImg;

  otl_long_string lstm(info.content.c_str(),0,info.content.length());//string转成otl_long_string才能加入大对象中
  lob.set_len(lstm.len()+1);//设置lob对象大小,+1是为了多出一位，以加入结束符/0
  lob<<lstm;//为lob赋值
  lob.close();//关闭lob

  //图片
  otl_long_string img(info.img,0,info.imglength);
  lobImg.set_len(img.len()+1);
  lobImg<<img;
  lobImg.close();
  
  conn.commit();