2.Webservice返回json数据并去掉Xml头部。
发布时间:2020-12-16 23:30:21 所属栏目:安全 来源:网络整理
导读:问题: 我将结果内容用字符串拼接成Json数据并返回的时候,会在结果前面添加xml头部,结果如下。 span style="font-size:14px;"string xmlns="http://tempuri.org/"{"data":[{"batchId":"B001","produceOrderId":"","produceFactory":"","addTime":"2014/7/8
问题: 我将结果内容用字符串拼接成Json数据并返回的时候,会在结果前面添加xml头部,结果如下。 <span style="font-size:14px;"><string xmlns="http://tempuri.org/"> {"data":[{"batchId":"B001","produceOrderId":"","produceFactory":"","addTime":"2014/7/8 15:09:00","remark":"","parentId":""},{"batchId":"B002","produceOrderId":"生产订单2","produceFactory":"测试公司1","addTime":"2014/7/8 8:00:00","parentId":"B001"},{"batchId":"B003","produceOrderId":"生产订单3","produceFactory":"测试公司2","addTime":"2014/7/8 0:00:00",{"batchId":"B004","produceOrderId":"生产订单4","produceFactory":"测试公司3","parentId":"B002"},{"batchId":"B005","produceOrderId":"生产订单5","produceFactory":"测试公司4","parentId":"B004"},{"batchId":"B006","produceOrderId":"生产订单6","produceFactory":"外包公司1","parentId":"B005"}]} </string></span> 产生如上数据的Webservice接口代码如下。 <span style="font-size:14px;"> [WebMethod] public String GetQrCodeList(String qrCode) { return PriGetQrCodeList(qrCode); } /// <summary> /// 获取关联的二维码树结构 /// </summary> /// <param name="qrCode">产品二维码</param> /// <returns></returns> private String PriGetQrCodeList(String qrCode) { try { String sfull = "{{"data":[{0}]}}"; String spart = "{{"batchId":"{0}","produceOrderId":"{1}","produceFactory":"{2}","addTime":"{3}","remark":"{4}","parentId":"{5}"}}"; String sData = ""; DataTable dt = bll.GetQrCodeList(qrCode); if (dt == null || dt.Rows.Count == 0) return ""; for (int i = 0; i < dt.Rows.Count; i++) { sData += (String.Format(spart,dt.Rows[i]["BatchId"].ToString(),dt.Rows[i]["ProduceOrderId"].ToString(),dt.Rows[i]["ProduceFactory"].ToString(),dt.Rows[i]["AddTime"].ToString(),dt.Rows[i]["Remark"].ToString(),dt.Rows[i]["ParentId"].ToString()) + ","); } return String.Format(sfull,sData.TrimEnd(',')); } catch (Exception) { return ""; } }</span> 解决方案: 改变数据的返回方式,用?Context.Response.Write代替return 语句,修改GetQrCodeList方法如下即可返回正确的Json格式数据。 <span style="font-size:14px;"> [WebMethod] public void GetQrCodeList(String qrCode) { Context.Response.Charset = "GB2312"; //设置字符集类型 Context.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); Context.Response.Write(PriGetQrCodeList(qrCode)); Context.Response.End(); }</span> 返回结果如下: <span style="font-size:14px;">{"data":[{"batchId":"B001","parentId":"B005"}]}</span> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |