我试图在Python中获取JSON对象的特定值。在我可以使用类似的东西之前:
data['data']['data2']
为了获得与data2相关联的某个值,但这有点不同,我的JSON文件现在更复杂了,这是
{
"data": {
"playerStatSummaries": {
"playerStatSummarySet": [
{
"aggregatedStats": {
"stats": []
},
"leaves": 0,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "Unranked3x3",
"rating": 400,
"wins": 5
},
{
"aggregatedStats": {
"stats": []
},
"leaves": 0,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "AramUnranked6x6",
"rating": 400,
"wins": 0
},
{
"aggregatedStats": {
"stats": [
{
"statType": "TOTAL_CHAMPION_KILLS",
"value": 68
},
{
"statType": "TOTAL_ASSISTS",
"value": 116
},
{
"statType": "TOTAL_MINION_KILLS",
"value": 1854
},
{
"statType": "TOTAL_TURRETS_KILLED",
"value": 22
},
{
"statType": "TOTAL_NEUTRAL_MINIONS_KILLED",
"value": 359
}
]
},
"leaves": 0,
"losses": 5,
"maxRating": 1505,
"modifyDate": "/Date(1357261303440)/",
"playerStatSummaryType": "RankedSolo5x5",
"rating": 1505,
"wins": 9
},
{
"aggregatedStats": {
"stats": [
{
"statType": "TOTAL_CHAMPION_KILLS",
"value": 369
},
{
"statType": "TOTAL_ASSISTS",
"value": 535
},
{
"statType": "TOTAL_MINION_KILLS",
"value": 9917
},
{
"statType": "TOTAL_TURRETS_KILLED",
"value": 78
},
{
"statType": "TOTAL_NEUTRAL_MINIONS_KILLED",
"value": 1050
}
]
},
"leaves": 0,
"losses": 35,
"maxRating": 1266,
"modifyDate": "/Date(1323496849000)/",
"playerStatSummaryType": "RankedTeam5x5",
"rating": 1266,
"wins": 39
},
{
"aggregatedStats": {
"stats": [
{
"statType": "TOTAL_CHAMPION_KILLS",
"value": 29
},
{
"statType": "TOTAL_ASSISTS",
"value": 17
},
{
"statType": "TOTAL_MINION_KILLS",
"value": 176
},
{
"statType": "TOTAL_TURRETS_KILLED",
"value": 8
},
{
"statType": "TOTAL_NEUTRAL_MINIONS_KILLED",
"value": 12
}
]
},
"leaves": 0,
"losses": 0,
"maxRating": 1200,
"modifyDate": "/Date(1326521499000)/",
"playerStatSummaryType": "CoopVsAI",
"rating": 1200,
"wins": 2
},
{
"aggregatedStats": {
"stats": [
{
"statType": "TOTAL_CHAMPION_KILLS",
"value": 150
},
{
"statType": "TOTAL_ASSISTS",
"value": 184
},
{
"statType": "TOTAL_MINION_KILLS",
"value": 3549
},
{
"statType": "TOTAL_TURRETS_KILLED",
"value": 24
},
{
"statType": "TOTAL_NEUTRAL_MINIONS_KILLED",
"value": 224
}
]
},
"leaves": 0,
"losses": 17,
"maxRating": 0,
"modifyDate": "/Date(1350098520000)/",
"playerStatSummaryType": "RankedTeam3x3",
"rating": 1308,
"wins": 22
},
{
"aggregatedStats": {
"stats": [
{
"statType": "TOTAL_CHAMPION_KILLS",
"value": 15
},
{
"statType": "TOTAL_ASSISTS",
"value": 185
},
{
"statType": "TOTAL_MINION_KILLS",
"value": 250
},
{
"statType": "TOTAL_TURRETS_KILLED",
"value": 4
},
{
"statType": "TOTAL_NEUTRAL_MINIONS_KILLED",
"value": 15
}
]
},
"leaves": 0,
"losses": 3,
"maxRating": 1365,
"modifyDate": "/Date(1321778545000)/",
"playerStatSummaryType": "RankedPremade5x5",
"rating": 1365,
"wins": 8
},
{
"aggregatedStats": {
"stats": [
{
"statType": "TOTAL_CHAMPION_KILLS",
"value": 672
},
{
"statType": "AVERAGE_CHAMPIONS_KILLED",
"value": 9
},
{
"statType": "MAX_COMBAT_PLAYER_SCORE",
"value": 889
},
{
"statType": "AVERAGE_OBJECTIVE_PLAYER_SCORE",
"value": 771
},
{
"statType": "MAX_TEAM_OBJECTIVE",
"value": 2
},
{
"statType": "MAX_NODE_CAPTURE",
"value": 14
},
{
"statType": "MAX_OBJECTIVE_PLAYER_SCORE",
"value": 1424
},
{
"statType": "MAX_TOTAL_PLAYER_SCORE",
"value": 1950
},
{
"statType": "AVERAGE_NUM_DEATHS",
"value": 10
},
{
"statType": "TOTAL_DECAYER",
"value": 105
},
{
"statType": "TOTAL_ASSISTS",
"value": 931
},
{
"statType": "AVERAGE_NODE_NEUTRALIZE",
"value": 6
},
{
"statType": "AVERAGE_NODE_CAPTURE_ASSIST",
"value": 2
},
{
"statType": "MAX_NODE_CAPTURE_ASSIST",
"value": 5
},
{
"statType": "MAX_ASSISTS",
"value": 25
},
{
"statType": "AVERAGE_NODE_NEUTRALIZE_ASSIST",
"value": 1
},
{
"statType": "AVERAGE_TOTAL_PLAYER_SCORE",
"value": 1182
},
{
"statType": "MAX_NODE_NEUTRALIZE_ASSIST",
"value": 3
},
{
"statType": "AVERAGE_COMBAT_PLAYER_SCORE",
"value": 413
},
{
"statType": "AVERAGE_NODE_CAPTURE",
"value": 8
},
{
"statType": "MAX_CHAMPIONS_KILLED",
"value": 20
},
{
"statType": "TOTAL_NODE_NEUTRALIZE",
"value": 391
},
{
"statType": "AVERAGE_TEAM_OBJECTIVE",
"value": 1
},
{
"statType": "AVERAGE_ASSISTS",
"value": 11
},
{
"statType": "TOTAL_NODE_CAPTURE",
"value": 447
},
{
"statType": "MAX_NODE_NEUTRALIZE",
"value": 11
},
{
"statType": "MAX_NUM_DEATHS",
"value": 16
}
]
},
"leaves": 0,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "OdinUnranked",
"rating": 400,
"wins": 43
},
{
"aggregatedStats": {
"stats": []
},
"leaves": 0,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "AramUnranked2x2",
"rating": 400,
"wins": 0
},
{
"aggregatedStats": {
"stats": []
},
"leaves": 0,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "AramUnranked1x1",
"rating": 400,
"wins": 0
},
{
"aggregatedStats": {
"stats": []
},
"leaves": 0,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "AramUnranked3x3",
"rating": 400,
"wins": 0
},
{
"aggregatedStats": {
"stats": [
{
"statType": "TOTAL_CHAMPION_KILLS",
"value": 10269
},
{
"statType": "TOTAL_DECAYER",
"value": 0
},
{
"statType": "TOTAL_ASSISTS",
"value": 15722
},
{
"statType": "TOTAL_MINION_KILLS",
"value": 262793
},
{
"statType": "TOTAL_TURRETS_KILLED",
"value": 1954
},
{
"statType": "TOTAL_NEUTRAL_MINIONS_KILLED",
"value": 43898
},
{
"statType": "TOTAL_DEATHS_PER_SESSION",
"value": 1513
}
]
},
"leaves": 1,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "Unranked",
"rating": 400,
"wins": 1691
},
{
"aggregatedStats": {
"stats": []
},
"leaves": 0,
"losses": 0,
"maxRating": 0,
"modifyDate": "/Date(1357567398182)/",
"playerStatSummaryType": "AramUnranked5x5",
"rating": 400,
"wins": 0
}
]
},
"previousFirstWinOfDay": "/Date(1357489166306)/",
"userId": 55060
},
"success": true
}
正如您所看到的,这确实很长,我的问题是,如何从某个playerStatSummarySet
集中获取特定的值?比如说我只想从playerStatSummaryType
值为RankedSolo5x5
的集合中获取评级值,我该怎么做?在
以下是我到目前为止从JSON文件中获取数据的方法。在
^{pr2}$
使用列表理解
如果您必须使用复杂的json对象,我建议您看看jsonpath,它为
json
对象提供了类似于xpath
的语言。在一个例子:
退出:
^{pr2}$您仍然可以这样做,但必须正确访问数据结构。
json.load()
返回的是一个与Python字典相同的JSON object
。这个obj中有一个名为'data'
的键,它与另一个对象字典相关联,直到您到达'playerStatSummaries'
对象,该对象的数据成员用'playerStatSummarySet'
键控,这实际上是一个Python列表,而不是另一个对象字典。在下面是一个如何搜索摘要集列表并查找特定条目的示例,请记住,由于此数据项是一个列表而不是字典对象,因此,您必须单步执行其中的每个条目,以找到要查找的条目,而不仅仅是查找其名称。在
输出:
^{pr2}$为了弄清楚需要什么,我发现一开始{}整个{}非常有用,这使得结构非常容易看到。在
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