java dataset xml_利用DataSet的ReadXml轻松读取XML文件及Stream流

weixin_39798497

于 2021-02-23 22:55:05 发布

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文章标签： java dataset xml

本文链接：https://blog.youkuaiyun.com/weixin_39798497/article/details/114514793

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该博客展示了如何处理XML字符串，将XML数据加载到DataSet中，并绑定到GridView进行显示。此外，还提供了读取XML文件和从Web服务获取XML响应数据的方法。博客内容涉及到数据解析、数据绑定以及与Web服务的接口交互。

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string strxml = "121122111222";

DataSet ds = new DataSet();

Stream stream = new MemoryStream(Encoding.Default.GetBytes(strxml));

ds.ReadXml(stream);

GridView1.DataSource = ds;

GridView1.DataBind();

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

DataSet ds = new DataSet();

TextReader reader = new StringReader(@"

The Chi-lites

Soul

A lonely man

1972

Babyface

R&B

unknown

Babyface

R&B

The essential babyface

2001

Babyface

R&B

Grown and sexy

2005

Maria Arredondo

Pop

Not going under

2004

Leona Lewis

Pop

Unknown

2008

Usher

R&B

Usher

2008

Christina Aguilera

Blues

Back to basics

2004

Sting

Pop

Shape of my heart

");

//读取Xml字符串用来接收WebService返回数据

ds.ReadXml(reader, XmlReadMode.Auto);

//生成Xml文件

//ds.WriteXml(Server.MapPath("xml/song_bak.xml"));

GridView1.DataSource = ds;

GridView1.DataBind();

}

#region 接口返回的Xml转换成DataSet

///

/// 返回的Xml转换成DataSet

///

/// Xml字符

///

private DataSet GetDataSet(string text)

{

try

{

XmlTextReader reader = new XmlTextReader(new StringReader(text));

reader.WhitespaceHandling = WhitespaceHandling.None;

DataSet ds = new DataSet();

ds.ReadXml(reader);

reader.Close();

ds.Dispose();

return ds;

}

catch

{

return null;

}

#endregion

#region 后台提交数据且获取接口返回的数据

///

/// 后台提交数据且获取接口返回的数据

///

/// 地址

///

public static string GetRequestString(string relativePath)

{

string requestUrl = relativePath;

try

{

// 创建一个HTTP请求

HttpWebRequest request = (System.Net.HttpWebRequest)WebRequest.Create(requestUrl);

request.Method = "GET";

StreamReader jsonStream = new StreamReader(request.GetResponse().GetResponseStream());

string jsonObject = jsonStream.ReadToEnd();

return jsonObject;

}

catch

{

return string.Empty;

}

#endregion