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初識(shí) Asp.Net內(nèi)置對(duì)象之Request對(duì)象

2019-11-17 01:28:33
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初識(shí) asp.net內(nèi)置對(duì)象之Request對(duì)象

Request對(duì)象

Request對(duì)象用于檢索從瀏覽器向服務(wù)器所發(fā)送的請(qǐng)求信息。它提供對(duì)當(dāng)前頁(yè)請(qǐng)求的訪問(wèn),包括標(biāo)題,Cookie,客戶端證書(shū)等等。它也與HTTP協(xié)議的請(qǐng)求消息對(duì)應(yīng)。

Request對(duì)象常用屬性

屬性
applicationPath獲取服務(wù)器上ASP.NET虛擬應(yīng)用程序的根目錄路徑
Browser獲取或者設(shè)置有關(guān)在請(qǐng)求的客戶端瀏覽器的功能信息
ContertLength指定客戶端發(fā)送的內(nèi)容長(zhǎng)度
Cookies獲取客戶端發(fā)送的Cookie集合
FilePath獲取當(dāng)前請(qǐng)求的虛擬路徑
Files獲取采用多部分MIME格式的由客戶端上載的文件集合
Form獲取窗體變量集合
Item從Cookies, From, QueryString或ServerVariables集合中獲取指定的對(duì)象
Params獲取QueryString,Form,ServerVariables和Coockies項(xiàng)的組合集合
Path獲取當(dāng)前請(qǐng)求的虛擬路徑
QueryString獲取HTTP查詢字符串變量集合
UserHostAddress獲取遠(yuǎn)程客戶端ip主機(jī)地址
UserHostName獲取遠(yuǎn)程客戶端DNS名稱

Request常用方法

方法
MapPath將請(qǐng)求的URL中的虛擬路徑映射到服務(wù)器上的物理路徑
SaceAs將HTTP請(qǐng)求保存到磁盤(pán)

1.獲取頁(yè)面間傳送的值

Request對(duì)象只要通過(guò)Params屬性和QueryString屬性獲取頁(yè)面間的傳值。

下面繼續(xù)上個(gè)簡(jiǎn)單的實(shí)驗(yàn)例子試試,我新建立一個(gè)RequestO.aspx頁(yè)面,該頁(yè)面就負(fù)責(zé)把信息傳遞給目標(biāo)頁(yè)面,所以放一個(gè)按鈕簡(jiǎn)單演示下,代碼如下:

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