blob转String

obj.setXxxxSyxstp( new String(rs.getBlob("tp").getBytes((long)1, (int)rs.getBlob("tp").length()))); //浮动窗口图片内容

 obj.setXxxxSyxstp( new String(rs.getBlob("syxstp").getBytes((long)1, (int)rs.getBlob("syxstp").length()))); //首页图片内容 

摘自--就业前台的图片