<?php
$j = '{"time":{"updated":"Oct 26, 2015 12:54:00 UTC","updatedISO":"2015-10-26T12:54:00+00:00","updateduk":"Oct 26, 2015 at 12:54 GMT"},"disclaimer":"This data was produced from the CoinDesk Bitcoin Price Index (USD). Non-USD currency data converted using hourly conversion rate from openexchangerates.org","bpi":{"USD":{"code":"USD","rate":"283.9203","description":"United States Dollar","rate_float":283.9203},"GBP":{"code":"GBP","rate":"185.0732","description":"British Pound Sterling","rate_float":185.0732}}}';
print_r( json_decode($j) );
在这种情况下会产生:
^{pr2}$
这很简单地告诉你a)它是一个对象,它的属性也是对象等,b)如何引用对象中的任何属性。在
所以为了得到你想要的汇率,我会这样做:
<?php
$j = '{"time":{"updated":"Oct 26, 2015 12:54:00 UTC","updatedISO":"2015-10-26T12:54:00+00:00","updateduk":"Oct 26, 2015 at 12:54 GMT"},"disclaimer":"This data was produced from the CoinDesk Bitcoin Price Index (USD). Non-USD currency data converted using hourly conversion rate from openexchangerates.org","bpi":{"USD":{"code":"USD","rate":"283.9203","description":"United States Dollar","rate_float":283.9203},"GBP":{"code":"GBP","rate":"185.0732","description":"British Pound Sterling","rate_float":185.0732}}}';
$bitExchange = json_decode($j);
// the GBP exchange rate will be
echo $bitExchange->bpi->GBP->rate;
// or if you prefer
echo $bitExchange->bpi->GBP->rate_float;
假设json数据存储在python的
json_text
中,您可以如果数据对您很重要,您应该检查错误。另外,让货币可配置可能是个好主意。在
首先,所讨论的json数据不是数组而是对象!在
可视化任何json数据的一个简单方法就是这样做
在这种情况下会产生:
^{pr2}$这很简单地告诉你a)它是一个对象,它的属性也是对象等,b)如何引用对象中的任何属性。在
所以为了得到你想要的汇率,我会这样做:
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