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鍍金池/ 問答/ HTML5問答
晚風眠 回答

angular5 已經(jīng)深陷 出不來了

久愛她 回答

if (typeof callback === "function") callback.call(this, d)

苦妄 回答

發(fā)現(xiàn)高版本的android使用這個的時候會閃退
嘗試使用RNFS 卻會出現(xiàn)問題， 還在解決中
July 13

昨天剛好用到，直接保存就好了，就是用的 CameraRoll 上網(wǎng)找篇文章學著配置就行了，沒什么難度。

clipboard.png

厭惡我 回答

writing-mode 了解一下

<!DOCTYPE html>
<html>

<head>
    <style>
        #mainBox {
            border: 1px #f00 solid;
            width: 300px;
            height: 250px;
            writing-mode: tb-lr;/*IE寫法*/
            writing-mode: vertical-lr;
        }

        #mainBox a {
            margin: 5px;
            padding: 0px;
            display: inline-block;
            width: 30px;
            height: 30px;
            border: 1px #00f solid;
            writing-mode: lr-tb;
        }
    </style>
</head>

<body>
    <div id="mainBox">
        <a href="#">1</a>
        <a href="#">2</a>
        <a href="#">3</a>
        <a href="#">4</a>
        <a href="#">5</a>
        <a href="#">6</a>
        <a href="#">7</a>
        <a href="#">8</a>
        <a href="#">9</a>
        <a href="#">10</a>
    </div>
</body>

</html>
莫小染 回答

files是數(shù)組，要循環(huán)append

for(var i = 0;i < this.file.length;i++){
    formData.append('file[]', this.file[i]);
}
貓小柒 回答

this.goodsList.push(...__goodsList)這里不能使用push,vue不能監(jiān)聽不存在的屬性,可以使用set或$set

入她眼 回答

問題解決了。
需要把base64的圖片再轉(zhuǎn)為普通圖片上傳。

硬扛 回答

可以節(jié)約系統(tǒng)資源，對于一些需要頻繁創(chuàng)建和銷毀的對象，單例模式無疑可以提高系統(tǒng)的性能。
類似于 懶加載

空白格 回答 
const manage_routes: Routes = [
    { path: 'manage',   redirectTo: 'manage/dashboard_conf', pathMatch: 'full' },
    { path: 'manage/dashboard_conf', component: DashboardConfComponent },

    { path: 'manage/image_upload', component: ImageUploadComponent },
    { path: 'manage/image_conf', component: ImageConfComponent }
]

寫錯了，應該是上面的路由列表。
Angualr2是支持路由多次重定向的。

何蘇葉 回答

你可以自己輸入和輸出來擬合函數(shù)啊，都有那么多參照點了。
也就是會說你輸入一個標準照片，分別采用各種濾鏡得到輸出照片，根據(jù)原始和輸出數(shù)據(jù)的關(guān)系，就可以擬合一個濾鏡函數(shù)出來（可能有誤差的）

葬愛 回答

有沒有人知道啊

維他命 回答

replace第一個參數(shù)傳一個全局模式的正則就可以了

function searchs(str, match, replace) {
  const reg = new RegExp(match, 'g')
  return str.replace(reg, replace)
}

const str = 'Lorem ipsum dolor sit a met a';
const result = searchs(str, 'a', '<i>a</i>')
console.log(result)

// Lorem ipsum dolor sit <i>a</i> met <i>a</i>
怣痛 回答 
            name: {
                textStyle: {
                    color:'red'
                }
            },
浪婳 回答

格式問題，用int轉(zhuǎn)一下試試

homebrew可以從git倉庫中下載。formule沒有就去git倉庫下

喜歡你 回答

以前做開發(fā)的時候用到過百度，它的so庫不怎么齊全，老是出bug。后來就改用高德了

苦妄 回答

PureComponent的本質(zhì)是幫你寫了一個shouldComponentUpdate，做一層淺比較，實現(xiàn)渲染時優(yōu)化。
如果是簡單類型的比較，就不用自己寫shouldComponentUpdate了。
需要注意的是：PureComponent和shouldComponentUpdate不能共存

雨蝶 回答

promotions.component.spec.ts：

import { ClubCodeGuard } from './../../../guards/club-code.guard';
import { EnrollMemberComponent } from './../enroll-member.component';
import { Router, ActivatedRoute } from "@angular/router";
import { EnrollMemberModule } from './../enroll-member.module';
import { MembershipService } from './../../../member/services/membership.service';
import { MemberForm } from './../models/enroll-member-form';
import { EnrollMemberPromotionsComponent } from './promotions.component';
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { DebugElement,Injectable,Component, OnInit, NgModule, ViewChild } from '@angular/core';
import { ComponentFixtureAutoDetect } from '@angular/core/testing';//自動變更檢測
import { async } from '@angular/core/testing';//異步的beforeEach
import { Member } from 'app/member/models/member';
import { FormsModule } from '@angular/forms';
import { ToastrModule } from 'ngx-toastr';
import { Observable, BehaviorSubject } from 'rxjs/Rx';
import { ProformaInvoiceComponent } from 'app/member-prospect-manager/enroll-member/proforma-invoice/proforma-invoice.component';
import { ClubService } from 'app/club/services';
import { HttpModule, Http } from '@angular/http';
import { HttpClientModule, HTTP_INTERCEPTORS } from '@angular/common/http';
import { HandleErrorService } from '../../../shared-services/handle-error.service';
import { AccessTypeService } from '../../../club/services/access-type.service';
import { MemberService } from '../../../member/services/member.service';
import { CurrentUserService } from '../../../user/services/current-user.service';
import { GetCurrentUserService } from '../../../user/services/get-current-user.service';
import { PromotionService } from 'app/promotions/services/promotion.service';
import { FormService } from 'app/membership/services/form.service';
import { RouterTestingModule } from "@angular/router/testing";
import { EnrollMemberMembershipTypeComponent } from 'app/member-prospect-manager/enroll-member/membership-type/membership-type.component';
import { EnrollMemberMembershipInfoComponent } from 'app/member-prospect-manager/enroll-member/membership-info/membership-info.component';
import { EnrollMemberReviewAndPayComponent } from 'app/member-prospect-manager/enroll-member/review-and-pay/review-and-pay.component';
import { EnrollMemberConfirmationComponent } from 'app/member-prospect-manager/enroll-member/confirmation/confirmation.component';

describe('when navigate to promotion selecte', () => {

let component: EnrollMemberPromotionsComponent;
let fixture: ComponentFixture<EnrollMemberPromotionsComponent>;
let de: DebugElement;
let el: HTMLElement;

let location: Location;
let router: Router;
let mockAR: any = {
    params: {
      subscribe: function() {
        console.log('Subscribed.');
        Observable.of({ id: 123 });
      }
    }
  }
  let mockRouter = {
    navigate: jasmine.createSpy('navigate')
  } 
beforeEach(async () => {
    TestBed.configureTestingModule({
        providers: [
            MembershipService,
            ClubService,
            HandleErrorService,
            AccessTypeService,
            MemberService,
            GetCurrentUserService,
            PromotionService,
            CurrentUserService,
            Router,
            ActivatedRoute,
            FormService,
            { provide: Router, useValue: mockRouter }
        ],
        imports: [
            FormsModule,
            EnrollMemberModule,
            HttpClientModule,
            HttpModule,
            ToastrModule.forRoot(),
            RouterTestingModule.withRoutes([
                {
                  path: 'tab',
                  component: EnrollMemberComponent,
                  data: {
                    title: 'EnrollMemberComopnent',
                    iconClass: 'fa fa-bullhorn'
                  },
                  canActivate: [ClubCodeGuard],
                  children: [
                    {
                      path: '',
                      redirectTo: 'membership-type',
                      pathMatch: 'full'
                    },
                    {
                      path: 'membership-type',
                      component: EnrollMemberMembershipTypeComponent,
                      data: { title: 'EnrollMemberMembershipTypeComponent', iconClass: 'fa fa-bullhorn' },
                      canActivate: [ClubCodeGuard]
                    },
                    {
                      path: 'membership-info',
                      component: EnrollMemberMembershipInfoComponent,
                      data: { title: 'EnrollMemberMembershipInfoComponent', iconClass: 'fa fa-bullhorn' },
                      canActivate: [ClubCodeGuard]
                    },
                    {
                      path: 'promotions',
                      component: EnrollMemberPromotionsComponent,
                      data: { title: 'EnrollMemberPromotionsComponent', iconClass: 'fa fa-bullhorn' },
                      canActivate: [ClubCodeGuard]
                    },
                    {
                      path: 'review-pay',
                      component: EnrollMemberReviewAndPayComponent,
                      data: { title: 'EnrollMemberReviewAndPayComponent', iconClass: 'fa fa-bullhorn' },
                      canActivate: [ClubCodeGuard]
                    },
                    {
                      path: 'confirmation',
                      component: EnrollMemberConfirmationComponent,
                      data: { title: 'EnrollMemberConfirmationComponent', iconClass: 'fa fa-bullhorn' },
                      canActivate: [ClubCodeGuard]
                    }
                  ]
                },{
                  path: '',
                  redirectTo: 'tab',
                  pathMatch: 'full'
                }
              ])
        ]
    }).compileComponents();  // compile template and css


    router = TestBed.get(Router);
    location = TestBed.get(Location);
    fixture = TestBed.createComponent(EnrollMemberPromotionsComponent);
    router.initialNavigation();
});

beforeEach(() => {
    router = TestBed.get(Router);
    location = TestBed.get(Location);

    component = fixture.componentInstance;
    fixture.detectChanges();
});

it('should create', () => {
    expect(component).toBeTruthy();
});

});

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