微信小程序学习用demo：康爱多微商城：学习界面设计.zip

var Enumerable=function(){var m="Single:sequence contains more than one element.",e=true,b=null,a=false,c=function(a){this.GetEnumerator=a};c.Choice=function(){var a=arguments[0]instanceof Array?arguments[0]:arguments;return new c(function(){return new f(g.Blank,function(){return this.Yield(a[Math.floor(Math.random()*a.length)])},g.Blank)})};c.Cycle=function(){var a=arguments[0]instanceof Array?arguments[0]:arguments;return new c(function(){var b=0;return new f(g.Blank,function(){if(b>=a.length)b=0;return this.Yield(a[b++])},g.Blank)})};c.Empty=function(){return new c(function(){return new f(g.Blank,function(){return a},g.Blank)})};c.From=function(j){if(j==b)return c.Empty();if(j instanceof c)return j;if(typeof j==i.Number||typeof j==i.Boolean)return c.Repeat(j,1);if(typeof j==i.String)return new c(function(){var b=0;return new f(g.Blank,function(){return b<j.length?this.Yield(j.charAt(b++)):a},g.Blank)});if(typeof j!=i.Function){if(typeof j.length==i.Number)return new h(j);if(!(j instanceof Object)&&d.IsIEnumerable(j))return new c(function(){var c=e,b;return new f(function(){b=new Enumerator(j)},function(){if(c)c=a;else b.moveNext();return b.atEnd()?a:this.Yield(b.item())},g.Blank)})}return new c(function(){var b=[],c=0;return new f(function(){for(var a in j)!(j[a]instanceof Function)&&b.push({Key:a,Value:j[a]})},function(){return c<b.length?this.Yield(b[c++]):a},g.Blank)})},c.Return=function(a){return c.Repeat(a,1)};c.Matches=function(h,e,d){if(d==b)d="";if(e instanceof RegExp){d+=e.ignoreCase?"i":"";d+=e.multiline?"m":"";e=e.source}if(d.indexOf("g")===-1)d+="g";return new c(function(){var b;return new f(function(){b=new RegExp(e,d)},function(){var c=b.exec(h);return c?this.Yield(c):a},g.Blank)})};c.Range=function(e,d,a){if(a==b)a=1;return c.ToInfinity(e,a).Take(d)};c.RangeDown=function(e,d,a){if(a==b)a=1;return c.ToNegativeInfinity(e,a).Take(d)};c.RangeTo=function(d,e,a){if(a==b)a=1;return d<e?c.ToInfinity(d,a).TakeWhile(function(a){return a<=e}):c.ToNegativeInfinity(d,a).TakeWhile(function(a){return a>=e})};c.Repeat=function(d,a){return a!=b?c.Repeat(d).Take(a):new c(function(){return new f(g.Blank,function(){return this.Yield(d)},g.Blank)})};c.RepeatWithFinalize=function(a,e){a=d.CreateLambda(a);e=d.CreateLambda(e);return new c(function(){var c;return new f(function(){c=a()},function(){return this.Yield(c)},function(){if(c!=b){e(c);c=b}})})};c.Generate=function(a,e){if(e!=b)return c.Generate(a).Take(e);a=d.CreateLambda(a);return new c(function(){return new f(g.Blank,function(){return this.Yield(a())},g.Blank)})};c.ToInfinity=function(d,a){if(d==b)d=0;if(a==b)a=1;return new c(function(){var b;return new f(function(){b=d-a},function(){return this.Yield(b+=a)},g.Blank)})};c.ToNegativeInfinity=function(d,a){if(d==b)d=0;if(a==b)a=1;return new c(function(){var b;return new f(function(){b=d+a},function(){return this.Yield(b-=a)},g.Blank)})};c.Unfold=function(h,b){b=d.CreateLambda(b);return new c(function(){var d=e,c;return new f(g.Blank,function(){if(d){d=a;c=h;return this.Yield(c)}c=b(c);return this.Yield(c)},g.Blank)})};c.prototype={CascadeBreadthFirst:function(g,b){var h=this;g=d.CreateLambda(g);b=d.CreateLambda(b);return new c(function(){var i,k=0,j=[];return new f(function(){i=h.GetEnumerator()},function(){while(e){if(i.MoveNext()){j.push(i.Current());return this.Yield(b(i.Current(),k))}var f=c.From(j).SelectMany(function(a){return g(a)});if(!f.Any())return a;else{k++;j=[];d.Dispose(i);i=f.GetEnumerator()}}},function(){d.Dispose(i)})})},CascadeDepthFirst:function(g,b){var h=this;g=d.CreateLambda(g);b=d.CreateLambda(b);return new c(function(){var j=[],i;return new f(function(){i=h.GetEnumerator()},function(){while(e){if(i.MoveNext()){var f=b(i.Current(),j.length);j.push(i);i=c.From(g(i.Current())).GetEnumerator();return this.Yield(f)}if(j.length<=0)return a;d.Dispose(i);i=j.pop()}},function(){try{d.Dispose(i)}finally{c.From(j).ForEach(function(a){a.Dispose()})}})})},Flatten:function(){var h=this;return new c(function(){var j,i=b;return new f(function(){j=h.GetEnumerator()},function(){while(e){if(i!=b)if(i.MoveNext())return this.Yield(i.Current());else i=b;if(j.MoveNext())if(j.Current()instanceof Array){d.Dispose(i);i=c.From(j.Current()).SelectMany(g.Identity).Flatten().GetEnumerator();continue}else return this.Yield(j.Current());return a}},function(){try{d.Dispose(j)}finally{d.Dispose(i)}})})},Pairwise:function(b){var e=this;b=d.CreateLambda(b);return new c(function(){var c;return new f(function(){c=e.GetEnumerator();c.MoveNext()},function(){var d=c.Current();return c.MoveNext()?this.Yield(b(d,c.Current())):a},function(){d.Dispose(c)})})},Scan:function(i,g,j){if(j!=b)return this.Scan(i,g).Select(j);var h;if(g==b){g=d.CreateLambda(i);h=a}else{g=d.CreateLambda(g);h=e}var k=this;return new c(function(){var b,c,j=e;return new f(function(){b=k.GetEnumerator()},function(){if(j){j=a;if(!h){if(b.MoveNext())return this.Yield(c=b.Current())}else return this.Yield(c=i)}return b.MoveNext()?this.Yield(c=g(c,b.Current())):a},function(){d.Dispose(b)})})},Select:function(b){var e=this;b=d.CreateLambda(b);return new c(function(){var c,g=0;return new f(function(){c=e.GetEnumerator()},function(){return c.MoveNext()?this.Yield(b(c.Current(),g++)):a},function(){d.Dispose(c)})})},SelectMany:function(g,e){var h=this;g=d.CreateLambda(g);if(e==b)e=function(b,a){return a};e=d.CreateLambda(e);return new c(function(){var j,i=undefined,k=0;return new f(function(){j=h.GetEnumerator()},function(){if(i===undefined)if(!j.MoveNext())return a;do{if(i==b){var f=g(j.Current(),k++);i=c.From(f).GetEnumerator()}if(i.MoveNext())return this.Yield(e(j.Current(),i.Current()));d.Dispose(i);i=b}while(j.MoveNext());return a},function(){try{d.Dispose(j)}finally{d.Dispose(i)}})})},Where:function(b){b=d.CreateLambda(b);var e=this;return new c(function(){var c,g=0;return new f(function(){c=e.GetEnumerator()},function(){while(c.MoveNext())if(b(c.Current(),g++))return this.Yield(c.Current());return a},function(){d.Dispose(c)})})},OfType:function(c){var a;switch(c){case Number:a=i.Number;break;case String:a=i.String;break;case Boolean:a=i.Boolean;break;case Function:a=i.Function;break;default:a=b}return a===b?this.Where(function(a){return a instanceof c}):this.Where(function(b){return typeof b===a})},Zip:function(e,b){b=d.CreateLambda(b);var g=this;return new c(function(){var i,h,j=0;return new f(function(){i=g.GetEnumerator();h=c.From(e).GetEnumerator()},function(){return i.MoveNext()&&h.MoveNext()?this.Yield(b(i.Current(),h.Current(),j++)):a},function(){try{d.Dispose(i)}finally{d.Dispose(h)}})})},Join:function(m,i,h,k,j){i=d.CreateLambda(i);h=d.CreateLambda(h);k=d.CreateLambda(k);j=d.CreateLambda(j);var l=this;return new c(function(){var n,q,o=b,p=0;return new f(function(){n=l.GetEnumerator();q=c.From(m).ToLookup(h,g.Identity,j)},function(){while(e){if(o!=b){var c=o[p++];if(c!==undefined)return this.Yield(k(n.Current(),c));c=b;p=0}if(n.MoveNext()){var d=i(n.Current());o=q.Get(d).ToArray()}else return a}},function(){d.Dispose(n)})})},GroupJoin:function(l,h,e,j,i){h=d.CreateLambda(h);e=d.CreateLambda(e);j=d.CreateLambda(j);i=d.CreateLambda(i);var k=this;return new c(function(){var m=k.GetEnumerator(),n=b;return new f(function(){m=k.GetEnumerator();n=c.From(l).ToLookup(e,g.Identity,i)},function(){if(m.MoveNext()){var b=n.Get(h(m.Current()));return this.Yield(j(m.Current(),b))}return a},function(){d.Dispose(m)})})},All:function(b){b=d.CreateLambda(b);var c=e;this.ForEach(function(d){if(!b(d)){c=a;return a}});return c},Any:function(c){c=d.CreateLambda(c);var b=this.GetEnumerator();try{if(arguments.length==0)return b.MoveNext();while(b.MoveNext())if(c(b.Current()))return e;return a}finally{d.Dispose(b)}},Concat:function(e){var g=this;return new c(function(){var i,h;return new f(function(){i=g.GetEnumerator()},function(){if(h==b){if(i.MoveNext())return this.Yield(i.Current());h=c.From(e).GetEnumerator()}return h.MoveNext()?this.Yield(h.Current()):a},function(){try{d.Dispose(i)}finally{d.Dispose(h)}})})},