请问在C++中jsonlib如何多级解析
智能硬件 2016-11-17 10:06:50 如下面的json包所示,如何提取value值?
{"status":0,"body":{"updatetime":1479195940,
"measuregrps":[
{"grpid":651671865,"attrib":0,"date":1479189702,"category":1,
"measures":[
{"value":73,"type":9,"unit":0},
{"value":106,"type":10,"unit":0},
{"value":82,"type":11,"unit":0}
]},
{"grpid":651667422,"attrib":0,"date":1479189555,"category":1,
"measures":[
{"value":72,"type":9,"unit":0},
{"value":117,"type":10,"unit":0},
{"value":80,"type":11,"unit":0}
]},
{"grpid":651666452,"attrib":0,"date":1479189503,"category":1,
"measures":[
{"value":73,"type":9,"unit":0},
{"value":109,"type":10,"unit":0},
{"value":91,"type":11,"unit":0}
]},
],"timezone":"Asia\/Shanghai"}}