{"id":493,"date":"2009-11-30T15:12:00","date_gmt":"2009-11-30T07:12:00","guid":{"rendered":"http:\/\/blog.jixin.ntxz.net\/?p=493"},"modified":"2010-07-30T15:41:11","modified_gmt":"2010-07-30T07:41:11","slug":"c%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6app-config%e7%9a%84%e8%af%bb%e5%86%99","status":"publish","type":"post","link":"http:\/\/www.ntxz.net\/?p=493","title":{"rendered":"C#\u914d\u7f6e\u6587\u4ef6app.config\u7684\u8bfb\u5199"},"content":{"rendered":"

<?XML version=”1.0″ encoding=”utf-8″?>
<configuration>
\u3000 <appSettings>
\u3000\u3000<add key=”ConnenctionString” value=”*” \/>
\u3000\u3000<add key=”TmpPath” value=”C:\\Temp” \/>
\u3000<\/appSettings>
<\/configuration><\/p>\n

<\/p>\n

.net\u63d0\u4f9b\u4e86\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee<appsettings>\uff08\u6ce8\u610f\u5927\u5c0f\u5199\uff09\u5143\u7d20\u7684\u65b9\u6cd5\uff0c\u5728\u8fd9\u5143\u7d20\u4e2d\u6709\u5f88\u591a\u7684\u5b50\u5143\u7d20\uff0c\u8fd9\u4e9b\u5b50\u5143\u7d20\u540d\u79f0\u90fd\u662f\u201cadd\u201d\uff0c\u6709\u4e24\u4e2a\u5c5e\u6027\u5206\u522b\u662f\u201ckey\u201d\u548c\u201cvalue\u201d\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\u6211\u4eec\u53ef\u4ee5\u5c06\u81ea\u5df1\u7684\u914d\u7f6e\u4fe1\u606f\u5199\u5728\u8fd9\u4e2a\u533a\u57df\u4e2d\uff0c\u901a\u8fc7\u4e0b\u9762\u7684\u65b9\u5f0f\u8fdb\u884c\u8bbf\u95ee\uff1a
string ConString=System.Configuration.ConfigurationSettings.AppSettings[“ConnenctionString”];
\u5728appsettings\u540e\u9762\u7684\u662f\u5b50\u5143\u7d20\u7684key\u5c5e\u6027\u7684\u503c\uff0c\u4f8b\u5982appsettings[“connenctionstring”]\uff0c\u6211\u4eec\u5c31\u662f\u8bbf\u95ee<add key=”ConnenctionString” value=”*” \/>\u8fd9\u4e2a\u5b50\u5143\u7d20\uff0c\u5b83\u7684\u8fd4\u56de\u503c\u5c31\u662f\u201c*\u201d\uff0c\u5373value\u5c5e\u6027\u7684\u503c\u3002 <\/p>\n

\uff12\u3001\u8bbe\u7f6e\u914d\u7f6e\u4fe1\u606f
\u5982\u679c\u914d\u7f6e\u4fe1\u606f\u662f\u9759\u6001\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u624b\u5de5\u914d\u7f6e\uff0c\u8981\u6ce8\u610f\u683c\u5f0f\u3002\u5982\u679c\u914d\u7f6e\u4fe1\u606f\u662f\u52a8\u6001<\/span>\u7684\uff0c\u5c31\u9700\u8981\u6211\u4eec\u5199\u7a0b\u5e8f\u6765\u5b9e\u73b0\u3002\u5728.Net\u4e2d\u6ca1\u6709\u5199\u914d\u7f6e\u6587\u4ef6\u7684\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528***\u4f5cXML\u6587\u4ef6\u7684\u65b9\u5f0f\u6765***\u4f5c\u914d\u7f6e\u6587\u4ef6\u3002\u4e0b\u9762\u5c31\u662f\u4e00\u4e2a\u5199\u914d\u7f6e\u6587\u4ef6\u7684\u4f8b\u5b50\u3002 <\/p>\n

private void SaveConfig(string ConnenctionString)
        {
            XMLDocument doc=new XMLDocument();
            \/\/\u83b7\u5f97\u914d\u7f6e\u6587\u4ef6\u7684\u5168\u8def\u5f84
            string strFileName=AppDomain.CurrentDomain.BaseDirectory.ToString()+”Code.exe.config”;
            doc.Load(strFileName);
            \/\/\u627e\u51fa\u540d\u79f0\u4e3a\u201cadd\u201d\u7684\u6240\u6709\u5143\u7d20
            XMLNodeList nodes=doc.GetElementsByTagName(“add”);
            for(int i=0;i<nodes.Count;i++)
            {
                \/\/\u83b7\u5f97\u5c06\u5f53\u524d\u5143\u7d20\u7684key\u5c5e\u6027
                XMLAttribute att=nodes[i].Attributes[“key”];
                \/\/\u6839\u636e\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5c5e\u6027\u6765\u5224\u65ad\u5f53\u524d\u7684\u5143\u7d20\u662f\u4e0d\u662f\u76ee\u6807\u5143\u7d20
                if (att.Value==”ConnectionString”)
                {
                    \/\/\u5bf9\u76ee\u6807\u5143\u7d20\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u5c5e\u6027\u8d4b\u503c
                    att=nodes[i].Attributes[“value”];
                    att.Value=ConnenctionString;
                    break;
                }
            }
            \/\/\u4fdd\u5b58\u4e0a\u9762\u7684\u4fee\u6539
            doc.Save(strFileName);
        } <\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728.Net\u4e2d\u63d0\u4f9b\u4e86\u914d\u7f6e\u6587\u4ef6\uff0c\u8ba9\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u9762\u7684\u5904\u7406\u914d\u7f6e\u4fe1\u606f\uff0c\u8fd9\u4e2a\u914d\u7f6e\u662fXML\u683c\u5f0f\u7684\u3002\u800c\u4e14.Net\u4e2d\u5df2\u7ecf\u63d0\u4f9b\u4e86\u4e00 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,8],"tags":[],"class_list":["post-493","post","type-post","status-publish","format-standard","hentry","category-1","category-oldblog"],"views":371,"_links":{"self":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=493"}],"version-history":[{"count":1,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/493\/revisions"}],"predecessor-version":[{"id":829,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/493\/revisions\/829"}],"wp:attachment":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=493"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}