我真的不明白为什么这是行不通的:关联数组/对象 - 用点号获取值
thing = {
img78:{ exifmanufacturer:"Canon", exifmodel:"Canon EOS 450D", exifexposuretime:"1/125", exiffstop:"71/10", exifiso:"200"},
img79:{ exifmanufacturer:"Canon", exifmodel:"Canon EOS 550D", exifexposuretime:"1/125", exiffstop:"71/10", exifiso:"100"},
img80:{ exifmanufacturer:"Canon", exifmodel:"Canon EOS 550D", exifexposuretime:"1/30", exiffstop:"16/1", exifiso:"250"},
img81:{ exifmanufacturer:"NIKON CORPORATION", exifmodel:"NIKON D700", exifexposuretime:"10/600", exiffstop:"71/10", exifiso:"800"},
img82:{ exifmanufacturer:"NIKON CORPORATION", exifmodel:"NIKON D700", exifexposuretime:"10/2500", exiffstop:"90/10", exifiso:"800"},
img83:{ exifmanufacturer:"NIKON CORPORATION", exifmodel:"NIKON D700", exifexposuretime:"10/600", exiffstop:"71/10", exifiso:"800"},
img77:{ exifmanufacturer:"Canon", exifmodel:"Canon EOS 450D", exifexposuretime:"1/160", exiffstop:"8/1", exifiso:"100"},
img69:{ exifmanufacturer:"NIKON CORPORATION", exifmodel:"NIKON D700", exifexposuretime:"10/600", exiffstop:"71/10", exifiso:"800"}
};
var imageid = 'img80';
console.log('myVar1: ', thing.img80.exifmodel);
console.log('myVar2: ', thing.imageid.exifmodel);
输出:
myVar1: Canon EOS 550D
thing.imageid is undefined
我本来以为这将是另一边。
也许介于'[imageid] .exifmodel'之间? – 2010-08-03 19:57:22
@quixoto - Woops,赶上,谢谢,并更新:) – 2010-08-03 19:57:53
啊......'事[imageid] .exifmodel'我一直在尝试与方括号和点的各种组合,但不是那一个。谢谢! – xgarb 2010-08-03 20:10:24