${message}
Request ID: ${requestId}. ` func (this *HTTPRequest) write404() { this.writeCode(http.StatusNotFound) } func (this *HTTPRequest) writeCode(statusCode int) { if this.doPage(statusCode) { return } var pageContent = configutils.ParseVariables(httpStatusPageTemplate, func(varName string) (value string) { switch varName { case "status": return types.String(statusCode) case "statusMessage": return http.StatusText(statusCode) case "requestId": return this.requestId case "message": return "" // 空 } return "${" + varName + "}" }) this.processResponseHeaders(statusCode) this.writer.WriteHeader(statusCode) _, _ = this.writer.Write([]byte(pageContent)) } func (this *HTTPRequest) write50x(err error, statusCode int, enMessage string, zhMessage string, canTryStale bool) { if err != nil { this.addError(err) } // 尝试从缓存中恢复 if canTryStale && this.cacheCanTryStale && this.web.Cache.Stale != nil && this.web.Cache.Stale.IsOn && (len(this.web.Cache.Stale.Status) == 0 || lists.ContainsInt(this.web.Cache.Stale.Status, statusCode)) { var ok = this.doCacheRead(true) if ok { return } } // 显示自定义页面 if this.doPage(statusCode) { return } // 内置HTML模板 var pageContent = configutils.ParseVariables(httpStatusPageTemplate, func(varName string) (value string) { switch varName { case "status": return types.String(statusCode) case "statusMessage": return http.StatusText(statusCode) case "requestId": return this.requestId case "message": var acceptLanguages = this.RawReq.Header.Get("Accept-Language") if len(acceptLanguages) > 0 { var index = strings.Index(acceptLanguages, ",") if index > 0 { var firstLanguage = acceptLanguages[:index] if firstLanguage == "zh-CN" { return "网站出了一点小问题，原因：" + zhMessage + "。" } } } return "The site is unavailable now, cause: " + enMessage + "." } return "${" + varName + "}" }) this.processResponseHeaders(statusCode) this.writer.WriteHeader(statusCode) _, _ = this.writer.Write([]byte(pageContent)) }