[英]Convert invalid json into valid json
我試圖從Web服務器讀取.json文件。 據我所知,我從服務器收到的JSON在http://jsonlint.com/上無效:
{
preOpen: "900",
preClose: "908",
mktOpen: "915",
mktClose: "1530",
corrOpen: "1540",
corrClose: "1600",
mktStatusCode: "3",
status: "MARKET OPEN",
time: "Jan 11, 2012 12:32:14",
data: [
{
name: "S&P CNX NIFTY Pre Open",
lastPrice: "4,863.15",
change: "13.60",
pChange: "0.28",
imgFileName: "S&P_CNX_NIFTY_Pre_Open_open.png"
},
{
name: "S&P CNX NIFTY",
lastPrice: "4,871.15",
change: "21.60",
pChange: "0.45",
imgFileName: "S&P_CNX_NIFTY_open.png"
},
{
name: "CNX NIFTY JUNIOR",
lastPrice: "8,940.05",
change: "91.90",
pChange: "1.04",
imgFileName: "CNX_NIFTY_JUNIOR_open.png"
},
{
name: "BANK NIFTY",
lastPrice: "8,816.15",
change: "81.10",
pChange: "0.93",
imgFileName: "BANK_NIFTY_open.png"
},
{
name: "INDIA VIX",
lastPrice: "24.18",
change: "0.18",
pChange: "0.75",
imgFileName: "INDIA_VIX_open.png"
},
{
name: "CNX 100",
lastPrice: "4,729.25",
change: "25.05",
pChange: "0.53",
imgFileName: "CNX_100_open.png"
},
{
name: "S&P CNX DEFTY",
lastPrice: "3,265.00",
change: "41.70",
pChange: "1.29",
imgFileName: "S&P_CNX_DEFTY_open.png"
},
{
name: "S&P CNX 500",
lastPrice: "3,811.75",
change: "26.40",
pChange: "0.70",
imgFileName: "S&P_CNX_500_open.png"
},
{
name: "CNX MIDCAP",
lastPrice: "6,548.20",
change: "80.65",
pChange: "1.25",
imgFileName: "CNX_MIDCAP_open.png"
},
{
name: "NIFTY MIDCAP 50",
lastPrice: "1,937.20",
change: "21.30",
pChange: "1.11",
imgFileName: "NIFTY_MIDCAP_50_open.png"
},
{
name: "CNX INFRA",
lastPrice: "2,273.60",
change: "8.50",
pChange: "0.38",
imgFileName: "CNX_INFRA_open.png"
},
{
name: "CNX REALTY",
lastPrice: "207.85",
change: "8.10",
pChange: "4.06",
imgFileName: "CNX_REALTY_open.png"
},
{
name: "CNX ENERGY",
lastPrice: "7,300.55",
change: "37.10",
pChange: "0.51",
imgFileName: "CNX_ENERGY_open.png"
},
{
name: "CNX FMCG",
lastPrice: "10,308.90",
change: "10.90",
pChange: "0.11",
imgFileName: "CNX_FMCG_open.png"
},
{
name: "CNX MNC",
lastPrice: "4,660.35",
change: "30.40",
pChange: "0.66",
imgFileName: "CNX_MNC_open.png"
},
{
name: "CNX PHARMA",
lastPrice: "4,743.15",
change: "-4.15",
pChange: "-0.09",
imgFileName: "CNX_PHARMA_open.png"
},
{
name: "CNX PSE",
lastPrice: "2,753.90",
change: "14.60",
pChange: "0.53",
imgFileName: "CNX_PSE_open.png"
},
{
name: "CNX PSU BANK",
lastPrice: "2,847.95",
change: "22.80",
pChange: "0.81",
imgFileName: "CNX_PSU_BANK_open.png"
},
{
name: "CNX SERVICE",
lastPrice: "5,933.65",
change: "21.65",
pChange: "0.37",
imgFileName: "CNX_SERVICE_open.png"
},
{
name: "CNX IT",
lastPrice: "6,300.35",
change: "-31.40",
pChange: "-0.50",
imgFileName: "CNX_IT_open.png"
},
{
name: "CNX SMALLCAP",
lastPrice: "2,981.80",
change: "49.85",
pChange: "1.70",
imgFileName: "CNX_SMALLCAP_open.png"
},
{
name: "CNX 200",
lastPrice: "2,432.05",
change: "14.35",
pChange: "0.59",
imgFileName: "CNX_200_open.png"
},
{
name: "CNX AUTO",
lastPrice: "3,497.60",
change: "4.05",
pChange: "0.12",
imgFileName: "CNX_AUTO_open.png"
},
{
name: "CNX MEDIA",
lastPrice: "1,147.30",
change: "23.35",
pChange: "2.08",
imgFileName: "CNX_MEDIA_open.png"
},
{
name: "CNX METAL",
lastPrice: "2,746.95",
change: "60.60",
pChange: "2.26",
imgFileName: "CNX_METAL_open.png"
}
]
}
它顯示以下測試結果:
Parse error on line 1:
{ preOpen: "900",
-----^
Expecting 'STRING', '}'
如何在使用PHP解析之前將其轉換為VALID JSON?
所有鍵 (preOpen,preClose,...)必須是字符串,因此它們需要雙引號。
{
"preOpen": "900",
"preClose": "908",
...
}
===更新===
如果您有一個無效的Json-String,您可以使用以下腳本轉換它:
$sInvalidJson = '{
preOpen: "900",
preClose: "908"
}';
$sValidJson = preg_replace("/(\n[\t ]*)([^\t ]+):/", "$1\"$2\":", $sInvalidJson);
另請參見此示例 。
(此腳本僅適用於上述無效JSON,否則必須更改模式。)
===更新===
$sInvalidJson = '{preOpen:"900",preClose:"908",mktOpen:"915",mktClose:"1530",corrOpen:"1540",corrClose:"1600",mktStatusCode:"3",status:"MARKET OPEN",time:"Jan 11, 2012 14:25:15",data:[{name:"S&P CNX NIFTY Pre Open",lastPrice:"4,863.15",change:"13.60",pChange:"0.28",imgFileName:"S&P_CNX_NIFTY_Pre_Open_open.png"},{name:"S&P CNX NIFTY",lastPrice:"4,847.85",change:"-1.70",pChange:"-0.04",imgFileName:"S&P_CNX_NIFTY_open.png"},{name:"CNX NIFTY JUNIOR",lastPrice:"8,917.00",change:"68.85",pChange:"0.78",imgFileName:"CNX_NIFTY_JUNIOR_open.png"},{name:"BANK NIFTY",lastPrice:"8,768.75",change:"33.70",pChange:"0.39",imgFileName:"BANK_NIFTY_open.png"},{name:"INDIA VIX",lastPrice:"24.61",change:"0.61",pChange:"2.54",imgFileName:"INDIA_VIX_open.png"},{name:"CNX 100",lastPrice:"4,707.85",change:"3.65",pChange:"0.08",imgFileName:"CNX_100_open.png"},{name:"S&P CNX DEFTY",lastPrice:"3,253.50",change:"30.20",pChange:"0.94",imgFileName:"S&P_CNX_DEFTY_open.png"},{name:"S&P CNX 500",lastPrice:"3,795.40",change:"10.05",pChange:"0.27",imgFileName:"S&P_CNX_500_open.png"},{name:"CNX MIDCAP",lastPrice:"6,524.90",change:"57.35",pChange:"0.89",imgFileName:"CNX_MIDCAP_open.png"},{name:"NIFTY MIDCAP 50",lastPrice:"1,926.55",change:"10.65",pChange:"0.56",imgFileName:"NIFTY_MIDCAP_50_open.png"},{name:"CNX INFRA",lastPrice:"2,262.05",change:"-3.05",pChange:"-0.13",imgFileName:"CNX_INFRA_open.png"},{name:"CNX REALTY",lastPrice:"207.70",change:"7.95",pChange:"3.98",imgFileName:"CNX_REALTY_open.png"},{name:"CNX ENERGY",lastPrice:"7,301.05",change:"37.60",pChange:"0.52",imgFileName:"CNX_ENERGY_open.png"},{name:"CNX FMCG",lastPrice:"10,235.35",change:"-62.65",pChange:"-0.61",imgFileName:"CNX_FMCG_open.png"},{name:"CNX MNC",lastPrice:"4,631.55",change:"1.60",pChange:"0.03",imgFileName:"CNX_MNC_open.png"},{name:"CNX PHARMA",lastPrice:"4,749.95",change:"2.65",pChange:"0.06",imgFileName:"CNX_PHARMA_open.png"},{name:"CNX PSE",lastPrice:"2,744.85",change:"5.55",pChange:"0.20",imgFileName:"CNX_PSE_open.png"},{name:"CNX PSU BANK",lastPrice:"2,841.10",change:"15.95",pChange:"0.56",imgFileName:"CNX_PSU_BANK_open.png"},{name:"CNX SERVICE",lastPrice:"5,900.60",change:"-11.40",pChange:"-0.19",imgFileName:"CNX_SERVICE_open.png"},{name:"CNX IT",lastPrice:"6,262.10",change:"-69.65",pChange:"-1.10",imgFileName:"CNX_IT_open.png"},{name:"CNX SMALLCAP",lastPrice:"2,963.90",change:"31.95",pChange:"1.09",imgFileName:"CNX_SMALLCAP_open.png"},{name:"CNX 200",lastPrice:"2,421.50",change:"3.80",pChange:"0.16",imgFileName:"CNX_200_open.png"},{name:"CNX AUTO",lastPrice:"3,484.30",change:"-9.25",pChange:"-0.26",imgFileName:"CNX_AUTO_open.png"},{name:"CNX MEDIA",lastPrice:"1,139.60",change:"15.65",pChange:"1.39",imgFileName:"CNX_MEDIA_open.png"},{name:"CNX METAL",lastPrice:"2,726.75",change:"40.40",pChange:"1.50",imgFileName:"CNX_METAL_open.png"}]}';
$sValidJson = preg_replace("/([{,])([a-zA-Z][^: ]+):/", "$1\"$2\":", $sInvalidJson);
這個更新的例子也是 。
提供的大多數解決方案都存在許多問題,主要是冒號。
我寫了一個json到數組函數,克服了這個問題。
它還檢查json字符串周圍的圓括號,並在json_decode之前將其刪除。
這是功能:
function jsonDecode($string, $assoc=true, $fixNames=true){
if(strpos($string, '(') === 0){
$string = substr($string, 1, strlen($string) - 2); // remove outer ( and )
}
if($fixNames){
$string = preg_replace("/(?<!\"|'|\w)([a-zA-Z0-9_]+?)(?!\"|'|\w)\s?:/", "\"$1\":", $string);
}
return json_decode($string, $assoc);
}
它還檢查冒號前的空格,並從變量名中排除它們。
這是我測試的示例字符串:
({style:“border:5px solid pink;”,class:“test”,“correct”:“value”,test:true,var5:“some escapeped”string“})
轉換后:
Array
(
[style] => border: 5px solid pink;
[class] => test
[correct] => value
[test] => 1
[var5] => some escaped" string
)
到目前為止,它看起來像防彈。
如果你找到一個洞,請告訴我。
我相信正確的JSON字符串也需要圍繞所有鍵名稱雙引號。 你展示的是一個有效的JavaScript對象,但是當字符串化為JSON時,所有鍵都應該有雙引號。
是的,這是錯誤的 - 關鍵名稱缺少引號。 您需要自己將其解析為字符串...或更改服務器上的文件。
需要引用屬性名稱。 有關示例,請參見http://json.org/example.html 。 我會更改服務器以生成適當的JSON。
它應該產生像{ "preOPen": "900", .... }
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