解决（有点） 我相信我的解决方案很简单，并且表明我不正确地设置了我的猫鼬模型。
下面的答案确实帮我解决了我的问题，所以我检查了一下，但最后空白数据行的原因是属性中的标识符不正确
即。在my-gridcomponent-name.component.ts
中gridOptions.columnDef.field
我需要使用实际的数据库字段名称/标识符设置字段属性。
我使用的是我在mongoose Schema中指定的名称/标识符，而不是数据库的实际字段名称/标识符。例如，Schema标识符，其中所有单词小写，而数据库标识符以大写开头，并且可能在单词之间具有_。
问题从这里开始......
我从MongoDB获取一组JSON对象，并希望在agGrid中显示它们。
$ng version angular-cli: 1.0.0-beta.28.3 node: 6.9.2 os: win32 x64
@angular/common: 2.4.10
@angular/compiler: 2.4.10
@angular/core: 2.4.10
@angular/forms: 2.4.10
@angular/http: 2.4.10
@angular/platform-browser: 2.4.10
@angular/platform-browser-dynamic: 2.4.10
@angular/router: 3.4.10
@angular/compiler-cli: 2.4.10
我99％肯定我有数据在数组中，它可用于我的HTML页面。
1）console.log(Array.isArray(self.catalogue)) //true
2）我在*ngFor标记下面测试了<ag-grid-angular>。有效。
<div *ngFor='let note of catalogue'>
<li>{{note.Country}}</li>
<li>{{note.Authority}}</li> ......etc
</div>
这篇文章的截图显示了我的agGrid基本上是什么样子 - 它有标题和滚动条，好像数据是用隐形墨水打印的。 UI Grid Angular, grid renders but doesn't display data
如果我只是在构造函数中对某些对象进行硬编码，那么将显示rowData。
constructor(private catalogueService: CatalogueService) {
this.gridOptions = <GridOptions>{},
this.gridOptions.columnDefs = [
{
headerName: "Country",
field: "country",
width: 200
},.....
]
this.gridOptions.rowData = [
{country: 'pig', authority: 'A12', banknoteID: 'bn1', pickID: 'p1', currency: 'thalers', denomination: 10},
]
}
这是我的.html文件
<div style="width: 1000px;">
<ag-grid-angular #agGrid style="width: 100%; height: 200px;"
class="ag-fresh"
[gridOptions]="gridOptions"
[rowData]="catalogue">
</ag-grid-angular>
</div>
我的.ts文件
import { Component, OnInit } from '@angular/core';
import { CatalogueService } from '../services/catalogue.service';
import { Catalogue } from '../models/Catalogue';
import { GridOptions } from 'ag-grid';
@Component({
selector: 'app-ag-grid-catalogue',
templateUrl: './ag-grid-catalogue.component.html',
styleUrls: ['./ag-grid-catalogue.component.css']
})
export class AgGridCatalogueComponent implements OnInit {
private gridOptions: GridOptions;
private catalogue: Catalogue [];
constructor(private catalogueService: CatalogueService) {
this.gridOptions = <GridOptions>{},
this.gridOptions.columnDefs = [
{
headerName: "Country",
field: "country",
width: 200
},....etc
]
this.gridOptions.rowData = [ ]
}
//Methods
loadCatalogue () {
//Assign this to self to be used in callbacks
var self = this;
return this.catalogueService.getCatalogue().subscribe(function (data) {
//Why can't I use dot notation to access the data param?
//console.log(data) ==> {success: true, catalogue: Array(4)}
if (data['success']) {
//Bind "catalogue" to the [rowData] in the <ag-grid-angular> tag
self.catalogue = data['catalogue']
// tried and failed:self.gridOptions.rowData = data['catalogue'];
// return data['catalogue'];
};
})
};
ngOnInit () {
this.loadCatalogue();
};
}
这是服务，但似乎我得到了一系列JSON对象，所以我不认为问题在服务中
import { Injectable } from '@angular/core';
import { Http, Headers } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/map';
@Injectable()
export class CatalogueService {
constructor(private http: Http) { }
private serverApi= 'http://localhost:3000';
public getCatalogue():Observable <Object> {
// let headers = new Headers();
// headers.append('Content-type', 'application/json');
let URI = `${this.serverApi}` + `/`;
return this.http.get(URI)
.map(function (res) {
return res.json();
});
}
}
_______________________________________________________________________
======================根据Dermo的建议更新============== ====== 的 _______________________________________________________________________
我仍然无法访问setRowData方法。
进行调整并添加自己后。到你的代码的一行，
self.gridApi.setRowData(self.catalogue);
浏览器中的控制台显示：
// error_handler.js：54 EXCEPTION：无法读取属性＆＃39; setRowData＆＃39;未定义的
交换以上代码行：
self.gridOptions.api.setRowData(self.catalogue)
ng serve compiles并且浏览器控制台中没有错误，但是...... 行数据仍未显示。
注意，在this.gridOptions.rowData = [{blah，blah，...]}中使用硬编码数组，网格呈现硬编码数据，但很快就会删除数据并且网格都是空行
看来我的gridOptions对象和gridApi对象都没有setRowData方法。单击浏览器控制台中显示的对象时，我应该看到该方法吗？我没有看到您链接的api.docs中详述的任何方法。
_______________________________________________________________________
以下是一些更多细节（希望相关。）
在更改任何代码之前，我使用
中的console.log运行程序loadCatalogue () {
//Assign this to self to be used in callbacks
var self = this;
return this.catalogueService.getCatalogue().subscribe(function (data) {
if (data['success']) {
self.catalogue = data['catalogue']
console.log('in cb', self)
};
})
};
console.log(self):
AgGridCatalogueComponent {catalogueService: CatalogueService, gridOptions: {…}, catalogue: Array(15)}
catalogue: (15) [{…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}]
catalogueService: CatalogueService {http: Http, serverApi: "http://localhost:3000"}
gridOptions: { columnDefs: Array(11),
rowData: Array(15), //(has the array of JSON objects I expected!)
api: GridApi, //(with a list of properties/methods - as stated in the origainal question there is NO setRowData method)
columnApi: ColumnApi
}
__proto__: Object
所以，就像你说的那样，问题似乎是.html上的网格在为rowData属性赋值之前呈现。
根据您的建议，我将4个项目添加到该计划中：
in .html
(gridReady)="onGridReady($event)"
in .ts
private gridApi;
gridApi.setRowData(self.catalogue);
onGridReady(params) {
this.gridApi = params.api;
};
$ ng serve 不编译：//无法找到名称＆＃39; gridApi＆＃39;在.ts
解决方案：
self.gridApi.setRowData(self.catalogue); //Added the self. to the line of code
$ ng服务现在编译，但是......
浏览器中的控制台读取 //error_handler.js:54 EXCEPTION：无法读取属性＆＃39; setRowData＆＃39;未定义的
console.log(self):
Has one additional property: (due to the onGridReady(params) {this.gridApi = params.api;};????
gridApi: GridApi {detailGridInfoMap: {…}, immutableService: ImmutableService, csvCreator: CsvCreator, excelCreator: null, gridCore: GridCore, …}
答案 0 :(得分：0)
问题是ag-grid已使用空数组初始化。你可以通过多种方式解决这个问题。
首先，更新模板以绑定到gridReady事件
<div style="width: 1000px;">
<ag-grid-angular #agGrid style="width: 100%; height: 200px;"
class="ag-fresh"
[gridOptions]="gridOptions"
[rowData]="catalogue"
(gridReady)="onGridReady($event)">
</ag-grid-angular>
</div>
现在将onGridReady函数添加到.ts并添加对grid api的引用。然后在loadCatalogue
中设置数据行import { Component, OnInit } from '@angular/core';
import { CatalogueService } from '../services/catalogue.service';
import { Catalogue } from '../models/Catalogue';
import { GridOptions } from 'ag-grid';
@Component({
selector: 'app-ag-grid-catalogue',
templateUrl: './ag-grid-catalogue.component.html',
styleUrls: ['./ag-grid-catalogue.component.css']
})
export class AgGridCatalogueComponent implements OnInit {
private gridOptions: GridOptions;
private catalogue: Catalogue [];
private gridApi;
constructor(private catalogueService: CatalogueService) {
this.gridOptions = <GridOptions>{},
this.gridOptions.columnDefs = [
{
headerName: "Country",
field: "country",
width: 200
},....etc
]
this.gridOptions.rowData = [ ]
}
//Methods
loadCatalogue () {
//Assign this to self to be used in callbacks
var self = this;
return this.catalogueService.getCatalogue().subscribe(function (data) {
//Why can't I use dot notation to access the data param?
//console.log(data) ==> {success: true, catalogue: Array(4)}
if (data['success']) {
//Bind "catalogue" to the [rowData] in the <ag-grid-angular> tag
self.catalogue = data['catalogue'];
gridApi.setRowData(self.catalogue);
// tried and failed:self.gridOptions.rowData = data['catalogue'];
// return data['catalogue'];
};
})
};
ngOnInit () {
this.loadCatalogue();
};
onGridReady(params) {
this.gridApi = params.api;
};
}
更新网格数据：https://www.ag-grid.com/javascript-grid-data-update/
访问api / data：https://www.ag-grid.com/javascript-grid-accessing-data/