var obj = [{ "disclaimer": "This data is collected from various providers and provided free of charge for informational purposes only, with no guarantee whatsoever of accuracy, validity, availability, or fitness for any purpose; use at your own risk. Other than that, have fun! More info: http://openexchangerates.org/terms/", "license": "Data collected from various providers with public-facing APIs; copyright may apply; not for resale; no warranties given. Full license info: http://openexchangerates.org/license/", "timestamp": 1339036116, "base": "USD", "rates": { "EUR": 0.795767, "GBP": 0.645895, "JPY": 79.324997, "USD": 1 }}];obj[0].rates.EUR; // output: 0.795767要么
obj[0].rates['EUR']; output: //0.795767
演示
如果要在另一个变量中隔离费率并使用该变量，请尝试如下操作：
var rates = obj[0].rates;
现在，
rates.EUR;rates.GBP;
等等。
