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lua socket http 请求
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local http=require("http") | |
local httpRequest = {} | |
function httpRequest:new() | |
local obj = {} | |
self.__index = self | |
return setmetatable(obj,self) | |
end | |
function httpRequest:getInstance() | |
if nil == self.instance then | |
self.instance = self:new() | |
end | |
return self.instance | |
end | |
function httpRequest:get(url,data,callback) | |
self:send("GET",url,data,callback) | |
end | |
function httpRequest:post(url,data,callback) | |
self:send("POST",url,data,callback) | |
end | |
function httpRequest:send(requestType,url,data,callback) | |
if(type(data) == "table") then | |
data = self:dataParse(data) | |
end | |
local request_body = data | |
print(request_body) | |
local response_body = {} | |
local res, code, response_headers = http.request{ | |
url = url, | |
method = requestType, | |
headers = | |
{ | |
["Content-Type"] = "application/x-www-form-urlencoded"; | |
["Content-Length"] = #request_body; | |
}, | |
source = ltn12.source.string(request_body), | |
sink = ltn12.sink.table(response_body), | |
} | |
local responseText | |
if type(response_body) == "table" then | |
responseText = table.concat(response_body) | |
else | |
responseText = "Not a table:", type(response_body) | |
end | |
callback(responseText) | |
end | |
-- 数据转换,将请求数据由 table 型转换成 string,参数:table | |
function httpRequest:dataParse(data) | |
if "table" ~= type(data) then | |
print("data is not a table") | |
return nil | |
end | |
local tmp = {} | |
for key, value in pairs(data) do | |
table.insert(tmp,key.."="..value) | |
end | |
local newData = "" | |
for i=1,#tmp do | |
newData = newData..tostring(tmp[i]) | |
if i<#tmp then | |
newData = newData.."&&" | |
end | |
end | |
-- print("------- data "..newData) | |
return newData | |
end | |
--local request_body = [[login=user&password=123]] | |
--local response_body = {} | |
-- | |
--local res, code, response_headers = http.request{ | |
-- url = "http://httpbin.org/post", | |
-- method = "POST", | |
-- headers = | |
-- { | |
-- ["Content-Type"] = "application/x-www-form-urlencoded"; | |
-- ["Content-Length"] = #request_body; | |
-- }, | |
-- source = ltn12.source.string(request_body), | |
-- sink = ltn12.sink.table(response_body), | |
--} | |
-- | |
--print("res:"..res) | |
--print("code"..code) | |
-- | |
--if type(response_headers) == "table" then | |
-- for k, v in pairs(response_headers) do | |
-- print(k, v) | |
-- end | |
--end | |
-- | |
--print("Response body:") | |
--if type(response_body) == "table" then | |
-- print(table.concat(response_body)) | |
--else | |
-- print("Not a table:", type(response_body)) | |
--end | |
return httpRequest |
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