{"id":3553,"date":"2023-08-21T22:32:46","date_gmt":"2023-08-21T14:32:46","guid":{"rendered":"https:\/\/www.bytetape.com\/?p=3553"},"modified":"2023-09-01T22:53:41","modified_gmt":"2023-09-01T14:53:41","slug":"vba-%e8%8e%b7%e5%8f%96%e7%bd%91%e7%ab%99","status":"publish","type":"post","link":"https:\/\/www.bytetape.com\/?p=3553","title":{"rendered":"\u63ed\u79d8\u795e\u5947\u7684VBA\u6280\u5de7\uff1a\u8f7b\u677e\u83b7\u53d6\u7f51\u7ad9ViewState\u4fe1\u606f\uff01"},"content":{"rendered":"\n<p>\u5927\u5bb6\u597d\uff0c\u6b22\u8fce\u6765\u5230\u672c\u7ad9\uff01\u5728\u4eca\u5929\u7684\u7cbe\u5f69\u5185\u5bb9\u4e2d\uff0c\u6211\u5c06\u4e3a\u5927\u5bb6\u63ed\u79d8\u4e00\u9879\u795e\u5947\u7684VBA\u6280\u5de7\uff0c\u8ba9\u4f60\u80fd\u591f\u8f7b\u677e\u83b7\u53d6\u7f51\u7ad9\u7684ViewState\u4fe1\u606f\u3002\u65e0\u8bba\u4f60\u662f\u6570\u636e\u7231\u597d\u8005\u3001\u7f51\u9875\u6293\u53d6\u8fbe\u4eba\u8fd8\u662f\u60f3\u8981\u8f7b\u677e\u5b9e\u73b0\u81ea\u52a8\u5316\u64cd\u4f5c\uff0c\u8fd9\u7bc7\u6587\u7ae0\u90fd\u5c06\u4e3a\u4f60\u6253\u5f00\u4e00\u6247\u901a\u5f80\u65b0\u4e16\u754c\u7684\u5927\u95e8\uff01\u5e9f\u8bdd\u4e0d\u591a\u8bf4\uff0c\u8ba9\u6211\u4eec\u76f4\u63a5\u8fdb\u5165\u8fd9\u4e2a\u4ee4\u4eba\u5174\u594b\u7684VBA\u63a2\u9669\u4e4b\u65c5\u5427\uff01<\/p>\n\n\n\n<h3 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class=\"wp-block-heading\">VBA\uff1a\u4f60\u7684ViewState\u6355\u83b7\u7cbe\u7075<\/h3>\n\n\n\n<p>\u4e0d\u7528\u62c5\u5fc3\uff0c\u8fd9\u5c31\u662fVBA\u767b\u573a\u7684\u65f6\u523b\uff01\u4e0b\u9762\u662f\u4e00\u6bb5\u9b54\u6cd5\u4ee3\u7801\uff0c\u80fd\u591f\u5e2e\u4f60\u8f7b\u677e\u83b7\u53d6\u7f51\u7ad9\u7684ViewState\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"visualbasic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Public viewStateCache As Object\n\nPublic Function getViewState(ByVal url As String) As String\n  If viewStateCache Is Nothing Then\n    Set viewStateCache = CreateObject(\"Scripting.Dictionary\")\n  End If\n  \n  If viewStateCache.Exists(url) Then\n    getViewState = viewStateCache(url)\n    Exit Function\n  End If\n  \n  Dim httpRequest As Object\n  Dim htmlDoc As Object\n  \n  Set httpRequest = CreateObject(\"MSXML2.XMLHTTP\")\n  \n  On Error Resume Next\n  With httpRequest\n    .Open \"GET\", url, False\n    .send\n    If .Status = 200 Then\n      Set htmlDoc = CreateObject(\"htmlfile\")\n      htmlDoc.write .responseText\n      On Error GoTo CleanUp\n      getViewState = htmlDoc.getElementById(\"__VIEWSTATE\").Value\n      viewStateCache(url) = getViewState\n    Else\n      ' Handle error here\n    End If\n  End With\n  \nCleanUp:\n  On Error Resume Next\n  Set htmlDoc = Nothing\n  Set httpRequest = Nothing\n  On Error GoTo 0\nEnd Function<\/pre>\n\n\n\n<p>\u8ba9\u6211\u4eec\u5feb\u901f\u6d4f\u89c8\u4e00\u4e0b\u8fd9\u6bb5\u4ee3\u7801\u7684\u9b54\u6cd5\u5143\u7d20\uff1a<\/p>\n\n\n\n<ol 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