{"id":207432,"date":"2025-07-08T12:20:29","date_gmt":"2025-07-08T04:20:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207432\/"},"modified":"2025-07-08T12:20:29","modified_gmt":"2025-07-08T04:20:29","slug":"go-%e7%9a%84%e4%bc%9a%e8%af%9d%e4%b8%ad%e9%97%b4%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207432\/","title":{"rendered":"Go \u7684\u4f1a\u8bdd\u4e2d\u95f4\u4ef6\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Go \u7684\u4f1a\u8bdd\u4e2d\u95f4\u4ef6\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-22 16:03:37<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u300aGo \u7684\u4f1a\u8bdd\u4e2d\u95f4\u4ef6\uff1f\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

func indexhandler(w http.responsewriter, req *http.request) {\n    session, err := store.get(req, sessionname)\n    if err != nil {\n        log.witherror(err).error(\"bad session\")\n        http.setcookie(w, &http.cookie{name: sessionname, maxage: -1, path: \"\/\"})\n    }\n    err = views.executetemplate(w, \"index.html\", session.values)\n    if err != nil {\n        http.error(w, err.error(), http.statusinternalservererror)\n        return\n    }\n}<\/pre>\n
\u6211\u7684\u6240\u6709\u5904\u7406\u7a0b\u5e8f\u90fd\u4f7f\u7528 gorilla \u4f1a\u8bdd\u3002\u5982\u4f55\u907f\u514d store.get<\/code>ting \u6211\u7684\u6bcf\u4e2a\u5904\u7406\u7a0b\u5e8f\u4e2d\u7684\u4f1a\u8bdd\uff0c\u5373\u4ee3\u7801\u91cd\u590d\uff1f<\/p>\n
\u53e6\u4e00\u4e2a\u95ee\u9898\uff0c\u662f\u5426\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u4e3a\u6a21\u677f\u63d0\u4f9b\u4f1a\u8bdd\u503c\uff0c\u800c\u4e0d\u662f\u50cf\u8fd9\u6837\u7684\u663e\u5f0f\u65b9\u6cd5\uff1a<\/p>\n
err = views.ExecuteTemplate(w, \"index.html\",\n    struct {\n        Session map[interface{}]interface{},\n        ...other handler specific data for the template\n    }{\n        session.Values,\n        ...\n    })<\/pre>\n
\u4ee3\u7801\u793a\u4f8b\u6e90\u81eahttps:\/\/github.com\/kaihendry\/internal-google-login<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5bf9\u4e8e\u4e2d\u95f4\u4ef6\uff0c\u60a8\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5c06\u5904\u7406\u7a0b\u5e8f\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u53e6\u4e00\u4e2a\u5904\u7406\u7a0b\u5e8f\u4f5c\u4e3a\u5176\u7ed3\u679c\u3002<\/p>\n
func sessionmiddleware(h http.handlerfunc) http.handlerfunc {\n    \/\/ ...\n}<\/pre>\n
\u8fd4\u56de\u7684\u5904\u7406\u7a0b\u5e8f\u53ef\u4ee5 store.get<\/code> \u4f1a\u8bdd\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u8fd4\u56de\u9519\u8bef\uff0c\u5982\u679c\u5b58\u5728\u5219\u5c06\u4f1a\u8bdd\u5b58\u50a8\u5230\u8bf7\u6c42\u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c\u7136\u540e\u8c03\u7528\u5b9e\u9645\u7684\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n
func sessionmiddleware(h http.handlerfunc) http.handlerfunc {\n    return func(w http.responsewriter, r *http.request) {\n        session, err := store.get(r, sessionname)\n        if err != nil {\n            log.witherror(err).error(\"bad session\")\n            http.setcookie(w, &http.cookie{name: sessionname, maxage: -1, path: \"\/\"})\n            return\n        }\n\n        r = r.withcontext(context.withvalue(r.context(), \"session\", session))\n        h(w, r)\n    }\n}<\/pre>\n
 \u73b0\u5728\uff0c\u60a8\u7684\u5904\u7406\u7a0b\u5e8f\u4ecd\u7136\u9700\u8981\u4ece\u4e0a\u4e0b\u6587\u4e2d\u201c\u83b7\u53d6\u201d\u4f1a\u8bdd\u503c\uff0c\u4f46\u662f\u7531 sessionmiddleware \u5305\u88c5\u7684\u4efb\u4f55\u5904\u7406\u7a0b\u5e8f\u5728\u6267\u884c\u65f6\u90fd\u53ef\u4ee5\u5047\u8bbe\u4f1a\u8bdd\u5b58\u5728\u4e8e\u4e0a\u4e0b\u6587\u4e2d\uff0c\u56e0\u6b64\u5b83\u53ef\u4ee5\u8df3\u8fc7\u9519\u8bef\u68c0\u67e5. <\/p>\n
func indexhandler(w http.responsewriter, req *http.request) {\n    session := req.context().value(\"session\").(*sessions.session)\n    err := views.executetemplate(w, \"index.html\", session.values)\n    if err != nil {\n        http.error(w, err.error(), http.statusinternalservererror)\n        return\n    }\n}<\/pre>\n
\u8981\u6ce8\u518c\u5904\u7406\u7a0b\u5e8f\uff0c\u60a8\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n
app.handlefunc(\"\/\", sessionmiddleware(indexhandler))<\/pre>\n
\u5982\u679c\u6839\u636e\u60a8\u7684\u559c\u597d\uff0c\u8fd9\u4ecd\u7136\u662f\u592a\u591a\u7684\u4ee3\u7801\u91cd\u590d\uff0c\u60a8\u53ef\u4ee5\u5c06\u4f1a\u8bdd\u76f4\u63a5\u4f20\u9012\u7ed9\u60a8\u7684\u5904\u7406\u7a0b\u5e8f\uff0c\u4f46\u60a8\u5fc5\u987b\u66f4\u6539\u4ed6\u4eec\u7684\u7b7e\u540d\u3002<\/p>\n
type sessionhandler func(w http.responsewriter, r *http.request, s *session.session)<\/pre>\n
\u7136\u540e\u66f4\u65b0\u60a8\u7684\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n
func indexhandler(w http.responsewriter, req *http.request, s *session.session) {\n    err := views.executetemplate(w, \"index.html\", s.values)\n    if err != nil {\n        http.error(w, err.error(), http.statusinternalservererror)\n        return\n    }\n}<\/pre>\n
\u60a8\u53ef\u4ee5\u5c06 sessionhandler<\/code> \u7c7b\u578b\u4e0a\u7684\u4e2d\u95f4\u4ef6\u90e8\u5206\u5b9a\u4e49\u4e3a\u65b9\u6cd5\u3002<\/p>\n
func (h sessionhandler) servehttp(w http.responsewriter, r *http.request) {\n        session, err := store.get(r, sessionname)\n        if err != nil {\n            log.witherror(err).error(\"bad session\")\n            http.setcookie(w, &http.cookie{name: sessionname, maxage: -1, path: \"\/\"})\n            return\n        }\n\n        h(w, r, session)\n}<\/pre>\n
\u7136\u540e\u6ce8\u518c\u5904\u7406\u7a0b\u5e8f\uff0c\u60a8\u5c06\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n
app.Handle(\"\/\", SessionHandler(indexHandler))<\/pre>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGo \u7684\u4f1a\u8bdd\u4e2d\u95f4\u4ef6\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207432","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207432"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207432\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}