[英]How to read map in LUA
I am new to LUA, I have to pars below JSON value, I need to read all the val and attrid define in attributes, there will be more value might come in the attributes section, I tried with table, but no luck, any help will be appreciated我是 LUA 的新手,我必须解析低于 JSON 的值,我需要阅读属性中定义的所有 val 和 attrid,属性部分可能会有更多的值,我尝试使用表格,但没有运气,任何帮助将不胜感激
{
"obj1": {
"attributes": [
{
"val": "1",
"attrid": "test2"
},
{
"val": "1",
"attrid": "test1"
}
]
"status": 0
}
}
-- Require some JSON library.
-- You can get lua-cjson from luarocks.
local json = require 'cjson'
-- You probably get this from a file or something in your actual code
local your_json_string = "string_containing_json"
-- Parse the json into a Lua table
local data = json.decode(your_json_string)
-- Iterate over the array like any other Lua sequence
for i, attribute in ipairs(data.obj1.attributes) do
-- Do whatever you want with the val and attrid values
print(attribute.val)
print(attribute.attrid)
end
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