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能否实现不定个数元素内容解析 #6
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暂时可能不太好做 |
基本数据类型我已经实现了,只是那些复杂的像数组,列表,结构体等,暂时没考虑怎么做,嵌入式设备暂时有基本数据类型就够了 |
其实,声明的时候,把所有可能的 key 都考虑上,然后申请结构体数据内存的时候,清空一下数据,应该可以做到,就是默认值都是 0 |
但是服务器可能下发的值就是0,不太靠谱。我把基本数据类型封装了一层,加了一个标志位,用于判断该元素是否存在。 |
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比如:服务器下发命令的json最多支持3个命令,例如:
{
"pir_enable": true,
"led_enable": false,
"wifi_enable": true;
}
但是有的时候可能只发送,其中两种,或者只发送一种:
例如:
{
"pir_enable": true,
"led_enable": false,
}
或者
{
"led_enable": false,
"wifi_enable": true;
}
...
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