问题描述今天在使用vue-router的路由跳转的时候，发现怎么弄都跳转不了，报错如下图：问题解决发现是自己粗心大意，配置路由的时候多写了一个箭头函数，导致返回的是个promise。。。。

1,3,5,2,2],5,3##返回值2golang代码如下import("fmt""testing")/****@paramaint整型一维数组*@paramnint整型*@paramKint整型*@retu

)主要应用场景唯一性明确的场景（比如登录框）单例工厂varsingletonFactory=(function(){letcache=nullreturnfunction(fn){if(cache){retu

@RequestMapping(value="/addUser",method=RequestMethod.POST)publicbooleanupdateUser(Useruser){retu

=b[i]{retu

usingMicrosoft.Scripting.Hosting;//微软脚本解释库文件二、接下来我们需要准备好Python代码，此次实验中定义了两个函数defadd(a,b):returna+b;defdec(a,b):retu

(VueCron);3、页面使用import{cronComponent}from'vue-cron';exportdefault{components:{cronComponent},data(){retu

Future_doTask(Stringi)async{///后台添加了限制，1秒内不能重复请求，请求间隙设置为2秒awaitFuture.delayed(Duration(seconds:1));···这里任务内容···retu

,next(NULL){}*};*/classSolution{public:ListNode*mergeTwoLists(ListNode*l1,ListNode*l2){if(l1==NULL){retu

last)//2ifalist[midpoint]==item:returnTrueelifitemretu

OverridepublicSqlSessionFactorygetObject()throwsException{if(this.sqlSessionFactory==null){afterPropertiesSet();}retu

execconstcommand='gitdiff--name-statusHEAD~2HEAD~3'//获取git改动清单constgetArrList=(str,type)=>{constarr=str.split('\n')retu

__setattr__(self,"__ident_func__",get_ident)def__iter__(self):retu

avtiveItem)retu

{varelt=document.getElementById('sample_table');varwb=XLSX.utils.table_to_book(elt,{sheet:"sheet"});retu

元素.currenStyle.属性名C.兼容的封装写法：正常浏览器和IE8及以下functiongetStyle(element,attribute){if(element.currentStyle){retu

=this.xxxRequestId){retu

8ef3-30d0e5b0e48b.jpeg@q_90,w_450',deg:0,multiples:1,}},methods:{//放大magnify(){if(this.multiples>=3){retu

[selfcanSwitchCameras]){//1retu

voidmain()=>runApp(MyApp());classMyAppextendsStatelessWidget{@overrideWidgetbuild(BuildContextcontext){retu

+(NSString*)print{NSString*str=@"";retu

问题一：变量提升机制看一个经典的例子：functiontest(flag){if(flag){varvalue=1;}else{retu

很容易想到，用v-for就行了importchildcomponentfromchildcomponentexportdefault{name:"tabs",data(){retu

ControllerpublicclassHelloController{@GetMapping(value="hello")publicStringindex(Stringname){System.out.println(name);retu

Javascript诞生起就一直用的就是for循环，它用来遍历数组vararr=[1,2,3,4]for(vari=0;iretu

ensure_ascii=False).encode().decode()#ensure=False没有效果,只能encode,再decode()self.f.write(line)self.f.write('\n')retu

一般没有要修改itemview布局参数的话,默认就按下面来写@OverridepublicRecyclerView.LayoutParamsgenerateDefaultLayoutParams(){retu

len-countfor(vark=0;k=count){returnresult}result[result.length]=newList[newList.length-result.length-1]retu

Entry数组)是否存值（是否为空数组）if(table==EMPTY_TABLE){inflateTable(threshold);//如果为空，则初始化}//判断key是否为空if(key==null)retu

dyld_objc_notify_register开始之前的各个初始化的目的，在此不做详细介绍了，因为我也介绍不清楚~void_objc_init(void){staticboolinitialized=false;if(initialized)retu

protected:dequec;//底层容器public:boolempty()const{returnc.empty();}//下列函数完全利用c类的操作函数完成size_typesize()const{retu

fromdjango.confimporturlsurlpatterns=[]defregister(view):p=urls.url(view.url_regex,view.as_view())urlpatterns.append(p)retu

table("users")->where('id','=',$id)->get();returnself::find($id);}//修改一条记录publicfunctionup($id,$data){retu

8ef3-30d0e5b0e48b.jpeg@q_90,w_450',deg:0,multiples:1,}},methods:{//放大magnify(){if(this.multiples>=3){retu

1573502371857018880image.pngimage.png#include#include#includeusingnamespacestd;structscore{inti=0;intp=0;intq=0;};booloperatorb.p;}retu

classSolution{Listlist=newLinkedList();char[]c;publicString[]permutation(Strings){c=s.toCharArray();dfs(0);retu

console.log(data)returnnewPromise(resolve=>{resolve(data+"======第二步打印")})}).then(data=>{console.log(data)retu

p=(char*)malloc(100);}intmain(intargc,char*argv[]){char*str=NULL;GetMemory(str);strcpy(str,"Hello");retu

/baz')//retu

Router.prototype.pushRouter.prototype.push=functionpush(location){returnoriginalPush.call(this,location).catch((err)=>{retu

idref){__weakweakidweakRef=ref;return^{returnweakRef;};}weakidunpackWeakReference(WeakReferenceclosure){retu

;exportdefaultclassAppextendsReact.Component{constructor(props){super(props);this.state={}}render(){retu

0)+1;源码：publicclassSolution{publicstaticintJumpFloorII(inttarget){if(target==1)return1;if(target==2)retu

return'window.cmschina';}functionLogin(){//这里赋值是赋值window下的getUserNamegetUserName=function(){return'cmschina';};retu

/Son1'exportdefault{components:{Son1},data(){retu

stringson_str;boolis_prime(inttarget){intcnt=0;for(intp=2;pretu

Character.isDigit(str.charAt(i))){returnfalse;}}returntrue;}二、使用正则表达式/**判断是否为整数*@paramstr传入的字符串*@retu

/components/lastChildren.vue'exportdefault{components:{LastChildren},data(){retu

:rtype:List[int]"""st=[]dic={}fornuminnums:whilelen(st)andst[-1]retu

设置列sortable=“custom”，结合sort-change事件，在点击排序箭头时进行排序操作实现：话不多说直接上代码，大家自己可以修改成符合自己的业务：exportdefault{data(){retu