ohayolibs/packages/components/lodop/demo/print.md

Ohayo is a set of essential modules for ohayojp.

---
order: 1
title:
  zh-CN: 基础
  en-US: Basic
---

## zh-CN

获取打印服务器（包括：远程）信息。

## en-US

Get print server information (including: remote).

```ts
import { Component } from '@angular/core';
import { Lodop, LodopService } from '@ohayo/components/lodop';
import { NzMessageService } from 'ng-zorro-antd/message';

@Component({
  selector: 'app-demo',
  template: `
    <nz-alert *ngIf="error" [nzType]="'warning'" [nzMessage]="message">
      <ng-template #message>
        请先下载<a href="http://c-lodop.com/download.html" target="_blank">Lodop插件</a>， 安装后点击<a (click)="reload()">重试</a>。
      </ng-template>
    </nz-alert>
    <form *ngIf="!error" nz-form>
      <nz-form-item nz-row>
        <nz-form-label nz-col [nzSm]="6">打印服务器</nz-form-label>
        <nz-form-control nz-col [nzSm]="18">
          <nz-input-group>
            <div nz-col [nzSpan]="16">
              <input nz-input nzPlaceHolder="https://localhost:8443/CLodopfuncs.js" [(ngModel)]="cog.url" name="url" />
            </div>
            <div nz-col [nzSpan]="8">
              <button nz-button (click)="reload(null)">重新加载打印机</button>
            </div>
          </nz-input-group>
        </nz-form-control>
      </nz-form-item>
      <nz-form-item nz-row>
        <nz-form-label nz-col [nzSm]="6">打印机</nz-form-label>
        <nz-form-control nz-col [nzSm]="18">
          <nz-select
            style="width:90%;"
            nzPlaceHolder="请选择打印机"
            nzShowSearch
            nzAllowClear
            [(ngModel)]="cog.printer"
            name="printer"
            (ngModelChange)="changePinter($event)"
          >
            <nz-option *ngFor="let name of pinters" [nzLabel]="name" [nzValue]="name"> </nz-option>
          </nz-select>
        </nz-form-control>
      </nz-form-item>
      <nz-form-item nz-row>
        <nz-form-label nz-col [nzSm]="6">纸张类型</nz-form-label>
        <nz-form-control nz-col [nzSm]="18">
          <nz-select style="width:90%;" nzPlaceHolder="请选择纸张类型" nzShowSearch nzAllowClear [(ngModel)]="cog.paper" name="paper">
            <nz-option *ngFor="let name of papers" [nzLabel]="name" [nzValue]="name"> </nz-option>
          </nz-select>
        </nz-form-control>
      </nz-form-item>
      <nz-form-item nz-row>
        <nz-form-label nz-col [nzSm]="6">打印内容</nz-form-label>
        <nz-form-control nz-col [nzSm]="18" nzExtra="仅限HTML，更多类型支持请参考官网">
          <textarea nz-input [(ngModel)]="cog.html" name="html" nzAutosize></textarea>
        </nz-form-control>
      </nz-form-item>
      <nz-form-item nz-row>
        <nz-form-control nz-col [nzSm]="18" [nzOffset]="6">
          <button nz-button (click)="print(true)" [nzLoading]="printing">打印预览</button>
          <button nz-button (click)="print()" [nzLoading]="printing">直接打印</button>
        </nz-form-control>
      </nz-form-item>
    </form>
  `,
})
export class DemoComponent {
  constructor(private lodopSrv: LodopService, private msg: NzMessageService) {
    this.lodopSrv.lodop.subscribe(({ lodop, ok }) => {
      if (!ok) {
        this.error = true;
        return;
      }
      this.error = false;
      this.msg.success(`打印机加载成功`);
      this.lodop = lodop as Lodop;
      this.pinters = this.lodopSrv.printer;
    });
  }
  cog: any = {
    url: 'https://localhost:8443/CLodopfuncs.js',
    printer: '',
    paper: '',
    html: `
        <h1>Title</h1>
        <p>这~！@#￥%……&*（）——sdilfjnvn</p>
        <p>这~！@#￥%……&*（）——sdilfjnvn</p>
        <p>这~！@#￥%……&*（）——sdilfjnvn</p>
        <p>这~！@#￥%……&*（）——sdilfjnvn</p>
        <p>这~！@#￥%……&*（）——sdilfjnvn</p>
        `,
  };
  error = false;
  lodop: Lodop | null = null;
  pinters: any[] = [];
  papers: string[] = [];

  printing = false;

  reload(options: any = { url: 'https://localhost:8443/CLodopfuncs.js' }): void {
    this.pinters = [];
    this.papers = [];
    this.cog.printer = '';
    this.cog.paper = '';

    this.lodopSrv.cog = { ...this.cog, ...options };
    this.error = false;
    if (options === null) this.lodopSrv.reset();
  }

  changePinter(name: string): void {
    this.papers = this.lodop!.GET_PAGESIZES_LIST(name, '\n').split('\n');
  }
  print(isPrivew: boolean = false): void {
    const LODOP = this.lodop!;
    LODOP.PRINT_INITA(10, 20, 810, 610, '测试C-Lodop远程打印四步骤');
    LODOP.SET_PRINTER_INDEXA(this.cog.printer);
    LODOP.SET_PRINT_PAGESIZE(0, 0, 0, this.cog.paper);
    LODOP.ADD_PRINT_TEXT(1, 1, 300, 200, '下面输出的是本页源代码及其展现效果：');
    LODOP.ADD_PRINT_TEXT(20, 10, '90%', '95%', this.cog.html);
    LODOP.SET_PRINT_STYLEA(0, 'ItemType', 4);
    LODOP.NewPageA();
    LODOP.ADD_PRINT_HTM(20, 10, '90%', '95%', this.cog.html);
    if (isPrivew) LODOP.PREVIEW();
    else LODOP.PRINT();
  }
}
```