essence-ng2-print

essence-ng2-print is an Angular component that can print html and text.

Usage

1. Install

   npm install --save essence-ng2-print@latest

2. Set in the .angular-cli.json（@angular/cli）

   "styles": [
       "../node_modules/bootstrap/dist/css/bootstrap.min.css"
   ]

3. Add the EssenceNg2PrintModule

   import {EssenceNg2PrintModule} from "essence-ng2-print";
   @NgModule({
       imports: [
           EssenceNg2PrintModule
       ]
   })

4. Use in Template

   <div id="print_div" #print_div>
   	<table class="table table-striped">
   		<thead *ngIf="showHead">
   		<tr>
   			<th>#</th>
   			<th>First Name</th>
   			<th>Last Name</th>
   			<th>Username</th>
   		</tr>
   		</thead>
   		<tbody>
   		<tr *ngFor="let user of datas; let i = index">
   			<td>{{i}}</td>
   			<td>{{user?.firstName}}</td>
   			<td>{{user?.lastName}}</td>
   			<td>{{user?.userName}}</td>
   		</tr>
   		</tbody>
   	</table>
   	<table *ngIf="hideTable1" id="table1" class="table table-striped">
   		<thead>
   		<tr>
   			<th>#</th>
   			<th>First Name</th>
   			<th>Last Name</th>
   			<th>Username</th>
   		</tr>
   		</thead>
   		<tbody>
   		<tr *ngFor="let user of datas; let i = index">
   			<td>{{i}}</td>
   			<td>{{user?.firstName}}</td>
   			<td>{{user?.lastName}}</td>
   			<td>{{user?.userName}}</td>
   		</tr>
   		</tbody>
   	</table>
   </div>
      
   <div>
   	<essence-ng2-print
   			[btnText]="'iframe模式打印'"
   			[btnClass]="{'btn': true, 'btn-success': true}"
   			[printHTML]="print_div"
   			[printStyle]="printStyle"
   			[printCSS]="printCSS"
   			(printComplete)="printComplete()">
   	</essence-ng2-print>
   </div>
      
   <div>
   	<essence-ng2-print
   			[btnText]="'iframe模式打印字符串'"
   			[btnClass]="{'btn': true, 'btn-success': true}"
   			[printHTML]="editorText"
   			(printComplete)="printComplete()">
   	</essence-ng2-print>
   </div>
      
   <div>
   	<essence-ng2-print #print1
   	                   [showBtn]="false"
   	                   [printHTML]="print_div"
   	                   [printStyle]="printStyle"
   	                   [printCSS]="printCSS"
   	                   (printComplete)="printComplete()">
   	</essence-ng2-print>
   	<button class="btn btn-primary" (click)="customPrint('print1')">自定义打印（iframe模式）</button>
   </div>
      
   <div>
   	<essence-ng2-print
   			[mode]="'popup'"
   			[popTitle]="'表格打印'"
   			[btnText]="'popup模式打印'"
   			[btnClass]="{'btn': true, 'btn-warning': true}"
   			[printHTML]="print_div"
   			[printStyle]="printStyle"
   			[printCSS]="printCSS"
   			(printComplete)="printComplete()">
   	</essence-ng2-print>
   </div>
      
   <div>
   	<essence-ng2-print #print2
   	                   [mode]="'popup'"
   	                   [popTitle]="'表格打印'"
   	                   [showBtn]="false"
   	                   [printHTML]="print_div"
   	                   [printStyle]="printStyle"
   	                   [printCSS]="printCSS"
   	                   (printComplete)="printComplete()">
   	</essence-ng2-print>
   	<button class="btn btn-primary" (click)="customPrint('print2')">自定义打印（popup模式）</button>
   </div>

5. Use in Component

   @ViewChild('print1') printComponent1: EssenceNg2PrintComponent;
   @ViewChild('print2') printComponent2: EssenceNg2PrintComponent;
      
   printDiv: any;
   showHead: boolean = true;
   hideTable1: boolean = false;
   datas: any[];
   printCSS: string[];
   printStyle: string;
   editorText = '<p style="text-align:center;line-height:150%"><strong><span style="font-family: 宋体;line-height: 150%;font-size: 21px"><span style="font-family:宋体">关于</span>××××工程项目划分的请示（函）</span></strong><span style="font-family: 宋体; font-size: 21px; text-indent: 315px;">&nbsp;</span></p><p style="line-height:150%"><strong><span style="font-family: 宋体;line-height: 150%;font-size: 16px">海淀区水利工程质量监督站：</span></strong></p><p style="text-indent:38px;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">××××工程，依据××××文件开始建设。（简述工程概况和主要工程量）。</span></p><p style="text-indent:38px;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">根据《水利水电工程施工质量检验与评定规程》</span>SL176-2007）、《水利水电基本建设工程单元工程质量评定标准》（SDJ249-88）及《北京市水利工程施工质量评定标准》等有关规定，结合本工程的实际情况，经研究确认本工程项目共划分为××个单位工程，××个分部工程，××个单元工程。其中主要单位工程××个，分别为 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;；主要分部工程××个，分别为 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;；重要隐蔽单元工程××个，分别为 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;；关键部位单元工程××个，分别为 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;。具体划分见附表。</span></p><p style="text-indent:38px;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-indent:38px;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">附表：</span>××××工程项目划分表</span></p><p style="text-indent:38px;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-indent:38px;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-indent: 406px; line-height: 150%; text-align: right;"><span style=";font-family:宋体;line-height:150%;font-size:16px">××××××（单位）</span></p><p style="text-indent: 398px; line-height: 150%; text-align: right;"><span style=";font-family:宋体;line-height:150%;font-size:16px">××××年××月××日</span></p>';
      
   constructor (private elRef: ElementRef) {
       this.datas = [
           {
               "firstName": 'Mark',
               "lastName": 'Otto',
               "userName": '@mdo'
           },
           {
               "firstName": 'Jacob',
               "lastName": 'Thornton',
               "userName": '@fat'
           },
           {
               "firstName": 'Larry',
               "lastName": 'the Bird',
               "userName": '@twitter'
           }
       ];
      
       this.printCSS = ['http://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css'];
       this.printStyle =
           `
           th, td {
               color: red !important;
           }
           `;
   }
      
   getPrintDiv () {
       for (let i: number = 0; i < this.elRef.nativeElement.childNodes.length; i++) {
           let node: any = this.elRef.nativeElement.childNodes[i];
           if (node.id === 'print_div') {
               this.printDiv = node;
           }
       }
   }
      
   printComplete () {
       console.log('打印完成！');
       this.showHead = true;
       this.hideTable1 = false;
   }
      
   customPrint (print: string) {
       this.showHead = false;
       this.hideTable1 = true;
       this.getPrintDiv();
       if (print === 'print1') {
           this.printComponent1.print();
       } else if (print === 'print2') {
           this.printComponent2.print();
       }
   }

API

Inputs

• mode（?string='iframe'） - 打印模式。可选的值：iframe，popup

• standard（?string='html5'） - 弹出窗口的网页文档标准，只适用于mode = 'popup'。可选的值：strict（严格模式），loose（兼容模式），html5（HTML5）

• popTitle（?string=''） - 弹出窗口的标题，只适用于mode = 'popup'

• showBtn（?boolean=true） - 如果为true将显示打印按钮

• btnText（?string='打印'） - 打印按钮显示的文本

• btnClass（?Object={"print-btn": true,"print-btn-success": true};） - 打印按钮class，传值与[ngClass]一样

• printHTML（string|HTMLElement） - 打印的内容

• printStyle（?string） - 打印内容style。将写进打印页面的style标签中

• printCSS（?Array<string>） - 打印内容css文件路径。将在打印页面生成link标签，支持绝对/相对路径（相对于当前路由地址），建议用绝对路径

Outputs

• printComplete - 打印完成的事件

Instance Method

• print - 开始打印内容

Develop

```shell
npm install // 安装依赖包

npm start // 启动项目
```