问题描述
我正在尝试制作一个单元格渲染器,以使用Angular将IP地址转换为可点击的SSH链接。渲染器组件:
import { Component,OnInit,OnDestroy } from "@angular/core";
import { DomSanitizer,SafeUrl } from "@angular/platform-browser";
import { ICellRendererAngularComp } from "ag-grid-angular";
import { ICellRendererParams } from "ag-grid-community";
const username = "me";
/**
* SSHCellRendererComponent is an AG-Grid cell renderer that provides ssh:// links as content.
*/
@Component({
selector: "ssh-cell-renderer",styleUrls: ["./ssh-cell-renderer.component.scss"],templateUrl: "./ssh-cell-renderer.component.html"
})
export class SSHCellRendererComponent implements ICellRendererAngularComp {
/** The IP address or hostname to which the SSH link will point. */
public get value(): string {
return this.val;
}
private val = "";
/** The SSH URL to use. */
public get href(): SafeUrl {
const url = `ssh://${username}@${this.value}`;
return this.sanitizer.bypassSecurityTrustUrl(url);
}
constructor(private readonly sanitizer: DomSanitizer) {}
/** Called by the AG-Grid API at initalization */
public refresh(params: ICellRendererParams): boolean {
this.val = params.value;
return true;
}
/** called after ag-grid is initalized */
public agInit(params: ICellRendererParams): void {
console.log("has value?:",Object.prototype.hasOwnProperty.call(params,"value"));
console.log("getval:",params.getValue());
this.val = params.value;
}
}
,然后模板如下所示:
<a [href]="href" target="_blank">{{value}}</a>
这应该是非常基本的,我基本上已经在AngularJS中做到了这一点,但是它不起作用。所有单元格最终都带有如下所示的实际内容:
<a href="ssh://me@" target="_blank"></a>
而我在console.log
中拥有的两个agInit
向我展示了原因:
16:34:38.554 has value?: false ssh-cell-renderer.component.ts:62:10
16:34:38.555 getval: undefined ssh-cell-renderer.component.ts:63:10
我不知道agInit
(也可能是refresh
被赋予什么类型的对象,但是显然不是ICellRendererParams
-和getValue
对我没有帮助,因为无论出于何种原因,它总是返回undefined
。我可以访问data
(从中我可以看到正在渲染的值实际上不是undefined
),但是如果我想使用“ IPv4地址”列和“ IPv6地址”列中,我需要两个几乎完全相同的组件,这是很多重复的代码。
那我想念什么?
解决方法
您只是简单地使用
const username = "me";
export class SSHCellRendererComponent implements ICellRendererAngularComp {
public username = username;
并在您的模板中
<a [href]="sanitizer.bypassSecurityTrustUrl('ssh://' + username +'@'+value)" target="_blank">{{value}}</a>
已更新
在模板中使用消毒剂功能或创建消毒剂安全管道。