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c# - 如何从 url 获取 json 字符串?

转载 作者:太空宇宙 更新时间:2023-11-03 18:30:59 25 4
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网址是:http://reportguru.webdenza.com/vdetect-pro-2/api.php?q= {%22svc%22:%22avl_evts%22,%22app%22:%22hst%22,%22sid%22:%22e93c3c3fbc1e3add3a518ca9d3f28d65%22}

url 包含以下 json 字符串。

{
"tm": 1395378731,
"events": [
{
"i": 828930,
"t": "u",
"d": {
"prms": {
"battery_charge": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in1": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in10": 1395374632,
"in11": 1395374632,
"in12": 1395374632,
"in13": 1395374632,
"in14": 1395374632,
"in15": 1395374632,
"in16": 1395374632,
"in17": 1395374632,
"in18": 1395374632,
"in19": 1395374632,
"in2": 1395374632,
"in20": 1395374632,
"in21": 1395374632,
"in22": 1395374632,
"in23": 1395374632,
"in24": 1395374632,
"in25": 1395374632,
"in26": 1395374632,
"in27": 1395374632,
"in28": 1395374632,
"in29": 1395374632,
"in3": 1395374632,
"in30": 1395374632,
"in31": 1395374632,
"in32": 1395374632,
"in4": 1395374632,
"in5": 1395374632,
"in6": 1395374632,
"in7": 1395374632,
"in8": 1395374632,
"in9": 1395374632,
"param179": 1395374632,
"param180": 1395374632,
"param250": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"posinfo": {
"v": {
"y": 24.9639728,
"x": 55.202432,
"z": 57,
"c": 0,
"sc": 9
},
"ct": 1395374632,
"at": 1395374632
},
"speed": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
}
}
}
},
{
"i": 828930,
"t": "m",
"d": {
"t": 1395374507,
"f": 3,
"tp": "ud",
"pos": {
"y": 24.9655744,
"x": 55.2024064,
"z": 25,
"s": 7,
"c": 164,
"sc": 10
},
"i": 1,
"p": {
"battery_charge": 1,
"param179": 0,
"param180": 0
}
}
},
{
"i": 828930,
"t": "u",
"d": {
"prms": {
"battery_charge": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in1": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in10": 1395374632,
"in11": 1395374632,
"in12": 1395374632,
"in13": 1395374632,
"in14": 1395374632,
"in15": 1395374632,
"in16": 1395374632,
"in17": 1395374632,
"in18": 1395374632,
"in19": 1395374632,
"in2": 1395374632,
"in20": 1395374632,
"in21": 1395374632,
"in22": 1395374632,
"in23": 1395374632,
"in24": 1395374632,
"in25": 1395374632,
"in26": 1395374632,
"in27": 1395374632,
"in28": 1395374632,
"in29": 1395374632,
"in3": 1395374632,
"in30": 1395374632,
"in31": 1395374632,
"in32": 1395374632,
"in4": 1395374632,
"in5": 1395374632,
"in6": 1395374632,
"in7": 1395374632,
"in8": 1395374632,
"in9": 1395374632,
"param179": 1395374632,
"param180": 1395374632,
"param250": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"posinfo": {
"v": {
"y": 24.9639728,
"x": 55.202432,
"z": 57,
"c": 0,
"sc": 9
},
"ct": 1395374632,
"at": 1395374632
},
"speed": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
}
}
}
},
{
"i": 828930,
"t": "m",
"d": {
"t": 1395374504,
"f": 3,
"tp": "ud",
"pos": {
"y": 24.9656512,
"x": 55.2023744,
"z": 24,
"s": 17,
"c": 130,
"sc": 10
},
"i": 1,
"p": {
"battery_charge": 1,
"param179": 0,
"param180": 0
}
}
},
{
"i": 828930,
"t": "u",
"d": {
"prms": {
"battery_charge": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in1": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"in10": 1395374632,
"in11": 1395374632,
"in12": 1395374632,
"in13": 1395374632,
"in14": 1395374632,
"in15": 1395374632,
"in16": 1395374632,
"in17": 1395374632,
"in18": 1395374632,
"in19": 1395374632,
"in2": 1395374632,
"in20": 1395374632,
"in21": 1395374632,
"in22": 1395374632,
"in23": 1395374632,
"in24": 1395374632,
"in25": 1395374632,
"in26": 1395374632,
"in27": 1395374632,
"in28": 1395374632,
"in29": 1395374632,
"in3": 1395374632,
"in30": 1395374632,
"in31": 1395374632,
"in32": 1395374632,
"in4": 1395374632,
"in5": 1395374632,
"in6": 1395374632,
"in7": 1395374632,
"in8": 1395374632,
"in9": 1395374632,
"param179": 1395374632,
"param180": 1395374632,
"param250": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
},
"posinfo": {
"v": {
"y": 24.9639728,
"x": 55.202432,
"z": 57,
"c": 0,
"sc": 9
},
"ct": 1395374632,
"at": 1395374632
},
"speed": {
"v": 0,
"ct": 1395374632,
"at": 1395374632
}
}
}
},
{
"i": 828930,
"t": "m",
"d": {
"t": 1395374632,
"f": 3,
"tp": "ud",
"pos": {
"y": 24.9639728,
"x": 55.202432,
"z": 57,
"s": 0,
"c": 0,
"sc": 9
},
"i": 0,
"p": {
"param179": 0,
"param180": 0,
"param250": 0,
"battery_charge": 0
}
}
}
]
}

请帮助我如何在 Asp.net(c#) 中获取字符串和数据。

最佳答案

C# 在 System.Net 中提供 WebClient 类,使用此类获取字符串

var json = new WebClient().DownloadString("url");

关于c# - 如何从 url 获取 json 字符串?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22550738/

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