完成

nginx-ext/test.conf

@@ -75,6 +75,7 @@ http {
                                                    for i, value in pairs(data) do
                                                        table.insert(tempTable, i .. "=" .. value)
                                                     end
+                                                    table.sort(tempTable)
                                                     local waitToEncoded = "GETcaptcha.tencentcloudapi.com/?" .. table.concat(tempTable, "&");
                                                     local encodeStr = ngx.encode_base64(ngx.hmac_sha1(apiSecretKey, waitToEncoded));
                                                     data["Signature"] = encodeStr;

nginx-ext/test.lua

+local data = {
+    ["Action"] = "DescribeCaptchaResult",
+    ["AppSecretKey"] =  "secretKey",
+    ["CaptchaAppId"] = "appId",
+    ["CaptchaType"] = 9,
+    ["Nonce"] = tostring(math.random(1000, 9000)),
+    ["Randstr"] = "randomStr",
+    ["SecretId"] =  "apiSecretId",
+    ["Ticket"] = "ticket",
+    ["Timestamp"] =  "12121212",
+    ["UserIp"] = "12121212",
+    ["Version"] = "2019-07-22",
+}
+local str = "";
+local tempTable = {};
+
+for i, value in pairs(data) do
+
+    table.insert(tempTable, i .. "=" .. value)
+end
+
+    table.sort(tempTable)
+
+    print(table.concat(tempTable, "&"));