json 动态生成

StringBuilder sb = new StringBuilder();
            sb.append("[");
            while (rs.next()){
                sb.append("{");
                sb.append("id:" + "\'" + rs.getInt(1) + "\'");
                sb.append(",title:" + "\'" + rs.getString(2) + "\'");
                sb.append(",url:" + "\'" +rs.getString(3) + "\'");
                sb.append(",class:" + "\'" + rs.getString(4) + "\'");
                sb.append(",author:" + "\'" + rs.getString(5) + "\'");
                sb.append("},");
            }
            String jsonString = sb.substring(0, sb.length() - 1);
            jsonString += "]";

“\’”java转义字符 ‘