init commit

src/app/components/bar-menu/bar-menu.component.html

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+<ul class="bar-menu" [hidden]="!data.isExpend"  *ngIf="!isLeaf(data)">
+        <li *ngFor="let item of data.children">
+            <a  (click)="itemClicked(item);">
+                <i class="fa mr-3" [ngClass]="item.icon"></i> <span>{{item.name}}</span>   
+                <i style="margin-top:3px;width:17px" class="fa  pull-right"  [ngClass]="{'fa-angle-down': !isLeaf(item) && item.isExpend, 'fa-angle-left': !isLeaf(item) && !item.isExpend}"></i>
+             </a>
+            <app-bar-menu [data]="item"></app-bar-menu>
+        </li>
+  </ul>

src/app/components/bar-menu/bar-menu.component.scss

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+@import "../../theme/scss/variables.scss";
+
+.bar-menu {
+    list-style: none;
+    font-size: 16px;
+    padding: 0;
+    margin: 0;
+    a {
+        color: $color-gray-deep;
+        text-decoration: none;
+        border: 0px;
+    }
+    & > li {
+        position: relative;
+        margin: 0;
+        // padding: 0 10px;
+        background: rgb(46, 59, 76);
+        border-top: 2px solid rgb(34, 49, 68);
+        // box-shadow: 1px 2px 6px rgba(0, 0, 0, 0.03);
+        &:hover {
+            & > a {
+                color: $color-gray-deep;
+                border: 0px;
+            }
+        }
+        &.active {
+            & > a {
+                color: $color-gray-deep;
+                border: 0px;
+            }
+        }
+        & > a {
+            padding: 8px 5px 8px 60px;
+            display: block;
+            border-left: 3px solid transparent;
+            color: $color-gray-deep;
+            border: 0px;
+            &:hover {
+                color: $color-white;
+                -webkit-transition: 0.3s;
+                transition: 0.3s;
+                -moz-transition: 0.3s;
+                -webkit-transition: 0.3s;
+                -o-transition: 0.3s;
+                cursor: pointer;
+                filter: alpha(opacity=35);
+                -moz-opacity: 0.35;
+                opacity: 0.35;
+                margin-left: 5px;
+            }
+            & > .fa {
+                &::before {
+                    width: 25px;
+                }
+            }
+        }
+    }
+}

src/app/components/bar-menu/bar-menu.component.spec.ts

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+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BarMenuComponent } from './bar-menu.component';
+
+describe('BarMenuComponent', () => {
+  let component: BarMenuComponent;
+  let fixture: ComponentFixture<BarMenuComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ BarMenuComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BarMenuComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/components/bar-menu/bar-menu.component.ts

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+import { Component, OnInit, Input } from '@angular/core';
+
+@Component({
+    selector: 'app-bar-menu',
+    templateUrl: './bar-menu.component.html',
+    styleUrls: ['./bar-menu.component.scss']
+})
+export class BarMenuComponent implements OnInit {
+
+    @Input() data: Array<any>;
+    constructor() { }
+
+    ngOnInit() {
+    }
+
+    /**
+   * 判断是否有子节点
+   * @param item 
+   */
+    isLeaf(item: any) {
+        return !item.children || !item.children.length;
+    }
+
+    /**
+     * 菜单点击事件
+     * @param item 
+     */
+    itemClicked(item: any) {
+        if (!this.isLeaf(item)) {
+            item.isExpend = !item.isExpend;
+        }
+    }
+
+}

src/app/components/bar-menu/bar-menu.module.spec.ts

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+import { BarMenuModule } from './bar-menu.module';
+
+describe('BarMenuModule', () => {
+  let barMenuModule: BarMenuModule;
+
+  beforeEach(() => {
+    barMenuModule = new BarMenuModule();
+  });
+
+  it('should create an instance', () => {
+    expect(barMenuModule).toBeTruthy();
+  });
+});

src/app/components/bar-menu/bar-menu.module.ts

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+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { BarMenuComponent } from './bar-menu.component';
+
+@NgModule({
+    imports: [
+        CommonModule
+    ],
+    declarations: [BarMenuComponent],
+    exports: [BarMenuComponent]
+})
+export class BarMenuModule { }