iOS8中JS与原生代码交互（SWIFT实现js调用本地代码的2种方法）

{ "images" : [ { "orientation" : "portrait", "idiom" : "iphone", "extent" : "full-screen", "minimum-system-version" : "7.0", "scale" : "2x" }, { "orientation" : "portrait", "idiom" : "iphone", "subtype" : "retina4", "extent" : "full-screen", "minimum-system-version" : "7.0", "scale" : "2x" } ], "info" : { "version" : 1, "author" : "xcode" } }