Pagination Ag网格无限模型分页服务器端
我正在尝试使用服务器端分页的ag网格。我更新了ag网格网站上的代码示例(如下)。我在ngOnInit方法中检索ColumnDef,但遗憾的是,ColumnHeader和rowdata都没有出现。我可以调试到GetRows函数中,并看到行正在返回。记录总数设置正确 如果有人知道为什么网格没有显示列/行,我会非常感激 这是控制台中的输出。 ag-Grid.RowNodeBlockLoader:printCacheStatus:ActivePageLoadScont=0,blocks={“0”:{“blockNumber”:0,“startRow”:0,“endRow”:10,“pageStatus”:“loaded”} ag-Grid.RowNodeBlockLoader:checkBlockToLoad:没有要加载的页面 ag-Grid.InfiniteCache:onPageLoaded:page=0,lastRow=5 但是当调用和集合返回记录总数时Pagination Ag网格无限模型分页服务器端,pagination,infinite-scroll,ag-grid,Pagination,Infinite Scroll,Ag Grid,我正在尝试使用服务器端分页的ag网格。我更新了ag网格网站上的代码示例(如下)。我在ngOnInit方法中检索ColumnDef,但遗憾的是,ColumnHeader和rowdata都没有出现。我可以调试到GetRows函数中,并看到行正在返回。记录总数设置正确 如果有人知道为什么网格没有显示列/行,我会非常感激 这是控制台中的输出。 ag-Grid.RowNodeBlockLoader:printCacheStatus:ActivePageLoadScont=0,blocks={“0”:{“b
import { Component, OnInit, Input } from '@angular/core';
import {TableMetadata} from "../model/table-metadata";
import { HttpClient } from "@angular/common/http";
import { GridOptions } from "ag-grid";
import { BrxTableService } from '../service/brx-table.service';
@Component({
selector: 'app-brx-delta-agrid',
// templateUrl: './brx-delta-agrid.component.html',
template: `<ag-grid-angular
#agGrid
style="width: 100%; height: 100%;"
id="myGrid"
class="ag-theme-balham"
[columnDefs]="columnDefs"
[components]="components"
[floatingFilter]="true"
[debug]="true"
[enableServerSideSorting]="true"
[enableServerSideFilter]="true"
[enableColResize]="true"
[rowSelection]="rowSelection"
[rowDeselection]="true"
[rowModelType]="rowModelType"
[paginationPageSize]="paginationPageSize"
[cacheOverflowSize]="cacheOverflowSize"
[maxConcurrentDatasourceRequests]="maxConcurrentDatasourceRequests"
[infiniteInitialRowCount]="infiniteInitialRowCount"
[maxBlocksInCache]="maxBlocksInCache"
[pagination]="true"
[cacheBlockSize]="cacheBlockSize"
[getRowNodeId]="getRowNodeId"
(gridReady)="onGridReady($event)"
></ag-grid-angular>
`,
styleUrls: ['./brx-delta-agrid.component.css'],
providers: [BrxTableService]
})
export class BrxDeltaAgridComponent implements OnInit{
public state = {
skip: 0,
take: 5
};
private columnDefs = [];
private gridApi;
private gridColumnApi;
private components;
private rowSelection;
private rowModelType;
private paginationPageSize;
private cacheBlockSize;
private cacheOverflowSize;
private maxConcurrentDatasourceRequests;
private infiniteInitialRowCount;
private maxBlocksInCache;
private getRowNodeId;
@Input('tableMetadata') tableMetadata:TableMetadata;
constructor(private http: HttpClient, private brxTableService:BrxTableService) {
this.components = {
loadingRenderer: function(params) {
if (params.value !== undefined) {
return params.value;
} else {
return '<img src="../assets/loading.gif">';
}
}
};
this.rowSelection = "multiple";
this.rowModelType = "infinite";
this.paginationPageSize = 10;
this.cacheBlockSize = 10;
this.cacheOverflowSize = 2;
this.maxConcurrentDatasourceRequests = 2;
this.infiniteInitialRowCount = 1;
this.maxBlocksInCache = 2;
this.getRowNodeId = function(item) {
return item.R_ID;
};
}
ngOnInit() {
this.columnDefs = this.getColumnDefs();
}
onGridReady(params) {
this.gridApi = params.api;
this.gridColumnApi = params.columnApi;
this.http
.get("http://localhost:8080/api/"+ this.tableMetadata.tableName)
.subscribe(data => {
data._embedded[this.tableMetadata.tableName +"s"].forEach(function(data, index) {
data.R_ID = "R" + (index + 1);
});
var dataSource = {
rowCount: null,
getRows: function(params) {
console.log("asking ford " + params.startRow + " to " + params.endRow);
setTimeout(function() {
let collectionName ='';
for (var property in data._embedded) {
if (property.startsWith("BRX")) {
collectionName = property;
}
}
var dataAfterSortingAndFiltering = sortAndFilter(data._embedded[collectionName], params.sortModel, params.filterModel);
var rowsThisPage = dataAfterSortingAndFiltering.slice(params.startRow, params.endRow);
var lastRow = 5; // data.page.totalElements;
// if (dataAfterSortingAndFiltering.length <= params.endRow) {
// lastRow = dataAfterSortingAndFiltering.length;
// }
params.successCallback(rowsThisPage, lastRow);
}, 500 );
}
};
params.api.setDatasource(dataSource);
});
}
public getColumnDefs() {
let columnDefs = [];
for (let i=0; i<this.tableMetadata.columnNames.length; i++) {
let columnName = this.tableMetadata.columnNames[i];
let columnDef = {
headerName: columnName,
field: columnName,
width:100
};
columnDefs.push(columnDef);
}
return columnDefs;
}
}
function sortAndFilter(allOfTheData, sortModel, filterModel) {
return sortData(sortModel, filterData(filterModel, allOfTheData));
}
function sortData(sortModel, data) {
var sortPresent = sortModel && sortModel.length > 0;
if (!sortPresent) {
return data;
}
var resultOfSort = data.slice();
resultOfSort.sort(function(a, b) {
for (var k = 0; k < sortModel.length; k++) {
var sortColModel = sortModel[k];
var valueA = a[sortColModel.colId];
var valueB = b[sortColModel.colId];
if (valueA == valueB) {
continue;
}
var sortDirection = sortColModel.sort === "asc" ? 1 : -1;
if (valueA > valueB) {
return sortDirection;
} else {
return sortDirection * -1;
}
}
return 0;
});
return resultOfSort;
}
function filterData(filterModel, data) {
var filterPresent = filterModel && Object.keys(filterModel).length > 0;
if (!filterPresent) {
return data;
}
var resultOfFilter = [];
for (var i = 0; i < data.length; i++) {
var item = data[i];
if (filterModel.age) {
var age = item.age;
var allowedAge = parseInt(filterModel.age.filter);
if (filterModel.age.type == "equals") {
if (age !== allowedAge) {
continue;
}
} else if (filterModel.age.type == "lessThan") {
if (age >= allowedAge) {
continue;
}
} else {
if (age <= allowedAge) {
continue;
}
}
}
if (filterModel.year) {
if (filterModel.year.values.indexOf(item.year.toString()) < 0) {
continue;
}
}
if (filterModel.country) {
if (filterModel.country.values.indexOf(item.country) < 0) {
continue;
}
}
resultOfFilter.push(item);
}
return resultOfFilter;
}
从'@angular/core'导入{Component,OnInit,Input};
从“./model/TableMetadata”导入{TableMetadata};
从“@angular/common/http”导入{HttpClient};
从“ag grid”导入{GridOptions};
从“../service/brx table.service”导入{BrxTableService};
@组成部分({
选择器:“应用程序brx delta agrid”,
//templateUrl:'./brx delta agrid.component.html',
模板:`
`,
样式URL:['./brx delta agrid.component.css'],
提供者:[BrxTableService]
})
导出类brxDeltaGridComponent实现OnInit{
公共国家={
跳过:0,
拍摄时间:5
};
私有columnDefs=[];
私有网格API;
私有网格API;
私人部门;
私人选择;
私有行模型类型;
私有分页页面大小;
私有缓存块大小;
私有缓存溢出;
私有maxConcurrentDatasourceRequests;
私有无限初始行数;
私有maxBlocksInCache;
私有getRowNodeId;
@输入('tableMetadata')tableMetadata:tableMetadata;
构造函数(私有http:HttpClient,私有brxTableService:brxTableService){
此项。组件={
加载渲染器:函数(参数){
如果(参数值!==未定义){
返回参数值;
}否则{
返回“”;
}
}
};
this.rowSelection=“multiple”;
this.rowModelType=“无限”;
this.paginationPageSize=10;
这个.cacheBlockSize=10;
this.cacheOverflowSize=2;
this.maxConcurrentDatasourceRequests=2;
此.InfinitieInitialRowCount=1;
this.maxBlocksInCache=2;
this.getRowNodeId=函数(项){
返回项目。R\u ID;
};
}
恩戈尼尼特(){
this.columnDefs=this.getColumnDefs();
}
onGridReady(参数){
this.gridApi=params.api;
this.gridColumnApi=params.columnApi;
这是http
.get(“http://localhost:8080/api/“+this.tableMetadata.tableName)
.订阅(数据=>{
数据._嵌入[this.tableMetadata.tableName+“s”].forEach(函数(数据,索引){
data.R_ID=“R”+(索引+1);
});
变量数据源={
行计数:空,
getRows:函数(参数){
console.log(“询问福特”+params.startRow+”到“+params.endRow”);
setTimeout(函数(){
让collectionName='';
for(数据中的var属性。\u嵌入){
if(property.startsWith(“BRX”)){
collectionName=属性;
}
}
var dataAfterSortingAndFiltering=sortAndFilter(数据._嵌入[collectionName],params.sortModel,params.filterModel);
var rowsThisPage=dataAfterSortingAndFiltering.slice(params.startRow,params.endRow);
var lastRow=5;//data.page.totalElements;
//if(DataAfterOrtingandFiltering.length值B){
返回排序方向;
}否则{
返回sortDirection*-1;
}
}
返回0;
});
返回结果排序;
}
函数filterData(filterModel,数据){
var filterPresent=filterModel&&Object.keys(filterModel).length>0;
如果(!filterPresent){
返回数据;
}
var resultOfFilter=[];
对于(变量i=0;i=允许年龄){
继续;
}
}否则{
如果(年龄)
大家好,facepalm time…此处的高度设置为100%。该表位于一个重叠中,在渲染时宽度为零,因此行和列标题从未渲染
我仍然无法通过分页获得连续的服务器请求,但至少我可以看到数据:)
希望这个例子能帮助一些人,因为我在网上找不到很多例子
谢谢,
标记。官方文档令人困惑。正如他们所解释的,它正在调用我们希望在网络选项卡中看到的服务器,因为每次单击下一页时,新请求都会发送到后端。但我想,当我们调用subscribe时,会以不同的方式发生这种情况,然后打开websocket并从后端获取连续数据。您可以看到此请求在“网络”选项卡中使用名称websocket。在客户端启动之前,它将显示待定的响应。请告知我们您的发现
style="width: 100%; height: 100%;"