mirror of
https://github.com/u0u0/Quick-Cocos2dx-Community.git
synced 2026-05-08 06:16:51 +08:00
158 lines
3.4 KiB
Lua
158 lines
3.4 KiB
Lua
--[[
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Copyright (c) 2011-2014 chukong-inc.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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]]
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--------------------------------
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-- @module json
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--[[--
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JSON 编码与解码
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]]
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local json = {}
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local cjson
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local function safeLoad()
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cjson = require("cjson")
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end
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if not pcall(safeLoad) then
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cjson = nil
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end
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-- start --
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--------------------------------
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-- 将表格数据编码为 JSON 字符串
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-- @function [parent=#json] encode
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-- @param table 表格对象
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-- @return string#string ret (return value: string) json字符串
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--[[--
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将表格数据编码为 JSON 字符串
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~~~ lua
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local str = json.encode({a=1,b="ss",c={c1=1,c2=2},d={10,11},100})
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echo(str) -- {"a":1,"b":"ss","c":{"c1":1,"c2":2},"d":[10,11],"1":100}
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local str = json.encode({1,2,"3",{10,11}})
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echo(str) -- [ 1,2,"3",[10,11] ]
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~~~
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注意: table作为字典使用时，整型键值将被转换为字符串键值
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~~~ lua
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local str = json.encode({a=1,[5]=3})
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echo(str) -- {"a":1,"5":3}
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~~~
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注意: table所有键值为整型时，会当作数组看待，空位将转化为null
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~~~ lua
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local str = json.encode({[3]=2,[5]=3})
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echo(str) -- [null,null,2,null,3]
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~~~
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]]
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-- end --
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function json.encode(var)
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local status, result = pcall(cjson.encode, var)
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if status then return result end
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if DEBUG > 1 then
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printError("json.encode() - encoding failed: %s", tostring(result))
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end
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end
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-- start --
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--------------------------------
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-- 将 JSON 字符串解码为表格对象
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-- @function [parent=#json] decode
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-- @param string json字符串
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-- @return table#table ret (return value: table) 表格对象
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--[[--
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将 JSON 字符串解码为表格对象
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~~~ lua
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local json = require("framework.json")
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local tb = json.decode('{"a":1,"b":"ss","c":{"c1":1,"c2":2},"d":[10,11],"1":100}')
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dump(tb) --[ [
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- "<var>" = {
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- "1" = 100
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- "a" = 1
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- "b" = "ss"
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- "c" = {
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- "c1" = 1
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- "c2" = 2
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- }
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- "d" = {
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- 1 = 10
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- 2 = 11
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- }
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- }
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] ]
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local tb = json.decode('[1,2,"3",[10,11] ]')
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dump(tb) --[ [
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- "<var>" = {
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- 1 = 1
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- 2 = 2
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- 3 = "3"
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- 4 = {
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- 1 = 10
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- 2 = 11
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- }
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- }
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] ]
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~~~
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]]
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-- end --
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function json.decode(text)
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local status, result = pcall(cjson.decode, text)
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if status then return result end
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if DEBUG > 1 then
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printError("json.decode() - decoding failed: %s", tostring(result))
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end
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end
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if cjson then
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json.null = cjson.null
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else
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json = nil
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end
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return json
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