2020-03-20

cocos2dx lua自学笔记

本地存储和获取配置
function main_gpr_api:save_data(game_id,value,save_id)

    local key = ""
    if game_id then
      key = "1000_"..game_id.."_"..save_id
    else
      key = "1000_"..save_id
    end
    if type(value) ~= "table" then
      return
    end

   local jsondata = lua_json.encode(value)
   cc.UserDefault:getInstance():setStringForKey(key,jsondata)

end

function main_gpr_api:get_data(game_id,save_id)
local key=""
if game_id then
key = “1000_”…game_id…""…save_id
else
key = "1000"…save_id
end
local jsonstr = cc.UserDefault:getInstance():getStringForKey(key)
if jsonstr then
return lua_json.decode(jsonstr)
end

    return ""

end

cc.exports.lua_json = require(“cjson”)