java如何通过url读取文件.docx

java如何通过url读取文件java如何通过url读取文件很多朋友都不知道java如何通过url读取文件，下面小编为大家整理了java通过url读取文件内容，希望能帮到大家！复制代码代码如下:usingSystem;usingSystem.Collections;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Web;usingSystem.Web.SessionState;usingSystem.Web.UI;usingSystem.Web.UI.WebControls;usingSystem.Web.UI.HtmlControls;usingSystem.IO;usingSystem.Net;usingSystem.Text;usingSystem.Text.RegularExpressions;namespaceeMeng.Exam{//////GetPageHtml的`摘要说明。///publicclassGetPageHtml:System.Web.UI.Page{protectedSystem.Web.UI.WebControls.ButtonWebClientButton;protectedSystem.Web.UI.WebControls.ButtonWebRequestButton;protectedSystem.Web.UI.WebControls.TextBoxContentHtml;protectedSystem.Web.UI.WebControls.TextBoxUrlText;protectedSystem.Web.UI.WebControls.ButtonGetText;privatestringPageUrl="";privatevoidPage_Load(objectsender,System.EventArgse){}#regionWebFormDesignergeneratedcodeoverrideprotectedvoidOnInit(EventArgse){InitializeComponent();base.OnInit(e);}//////设计器支持所需的方法-不要使用代码编辑器修改///此方法的内容。///privatevoidInitializeComponent(){this.WebClientButton.Click+=newSystem.EventHandler(this.WebClientButton_Click);this.WebRequestButton.Click+=newSystem.EventHandler(this.WebRequestButton_Click);this.GetText.Click+=newSystem.EventHandler(this.GetText_Click);this.Load+=newSystem.EventHandler(this.Page_Load);}#endregionprivatevoidWebClientButton_Click(objectsender,System.EventArgse){PageUrl=UrlText.Text;WebClientwc=newWebClient();wc.Credentials=CredentialCache.DefaultCredentials;///方法一：Byte[]pageData=wc.DownloadData(PageUrl);ContentHtml.Text=Encoding.Default.GetString(pageData);///方法二：///***************代码开始**********///StreamresStream=wc.OpenRead(PageUrl);///StreamReadersr=newStreamReader(resStream,System.Text.Encoding.Default);///ContentHtml.Text=sr.ReadToEnd();///resStream.Close();///**************代码结束********///wc.Dispose();}privatevoidWebRequestButton_Click(objectsender,System.EventArgse){PageUrl=UrlText.Text;WebRequestrequest=WebRequest.Create(PageUrl);WebResponseresponse=reque