angular - Generate a child route and send parameters by url data from a table by pressing a <a> element -


i trying send url parameters belonging row of table, happen when click on display option, general idea of result of process following: localhost / 4200 / lista_documentos / viewpdf / title: code: date: state

component.ts viewpdf; 

import { component, oninit } '@angular/core'; import { router, activatedroute, params } '@angular/router';  @component({   selector: 'app-view-pdf',   templateurl: './view-pdf.component.html',   styleurls: ['./view-pdf.component.css'] }) export class viewpdfcomponent implements oninit {    constructor(     private route: activatedroute,     private router: router   ) { }    ngoninit() {     let id = this.route.snapshot.params['id'];     let fecha = this.route.snapshot.params['fecha'];     let estado = this.route.snapshot.params['estado'];     let codigo = this.route.snapshot.params['codigo'];    }  } 
<div id="panellistado" class="panel panel-default">   <div id="bodylistado" class="panel-body">     <h3>listado de minutas, actas, informes</h3>     <hr>     <div id="overflowagenda">       <div id="tableagenda" class="divtable">         <div class="divtablebody">           <div id="headertable" class="divtablerow">             <div class="divtablecell"> titulo </div>             <div class="divtablecell"> codigo </div>             <div class="divtablecell"> fecha </div>             <div class="divtablecell"> estado </div>             <div class="divtablecell"> visualizar </div>           </div>           <div class="divtablerow" *ngfor="let item of lista">             <div class="divtablecell">  {{ item.tituloinforme }} </div>             <div class="divtablecell">  {{ item.id_informe    }} </div>             <div class="divtablecell">  {{ item.fechainforme  }} </div>             <div class="divtablecell">  {{ item.estado        }} </div>             <div class="divtablecell"><a  routerlink="/viewpdf" >visualizar</a></div>           </div>         </div>       </div>     </div>   </div> </div>

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