我有用于分页的服务器API
{
accounts (offset: 2, limit: 1) {
key
name
}
}
使用Graphiql都能正常工作
{
"data": {
"accounts": [
{
"key": "fde3d97d-6a44-4c36-bc59-149a3e8e51ac",
"name": "a0f353611567c83e"
}
]
}
}
我按照Apollo文档将Web客户端连接到后端。 默认查询有效,但是当我尝试添加变量时,在服务器端出现此错误。
WARN g.GraphQL - Query failed to validate : 'query Accounts($offset: Int, $limit: Int) {
accounts(offset: $offset, limit: $limit) {
key
name
__typename
}
}
我的角度(7)代码如下:
import { Component, OnInit } from "@angular/core";
import { Apollo, QueryRef } from "apollo-angular";
import { DocumentNode } from "graphql";
import { Observable, Subscription } from "rxjs";
import gql from "graphql-tag";
const ACCOUNTS = gql`
query Accounts($offset: Int, $limit: Int) {
accounts(offset: $offset, limit: $limit) {
key
name
}
}
`;
@Component({
selector: "app-accounts",
templateUrl: "./accounts.component.html",
styleUrls: ["./accounts.component.scss"]
})
export class AccountsComponent implements OnInit {
private data: Observable<any>;
constructor(private apollo: Apollo) {}
ngOnInit() {
this.data = this.apollo.watchQuery({
query: ACCOUNTS,
variables: {
offset: 0,
limit: 3
}
}).valueChanges;
}
}
当引入参数(变量)时,似乎根本没有解析GQL。
有什么建议吗?
编辑
转到新的Apollo代码生成器后,我具有从服务器获取的所有类型以及为我生成的所有类型。
仍然,我不知道为什么查询不适用于变量。
import { Component, OnInit } from "@angular/core";
import { Observable } from "rxjs";
import { map } from "rxjs/operators";
import { AccountsGQL, Account } from "../generated/graphql";
@Component({
selector: "app-accounts",
templateUrl: "./accounts.component.html",
styleUrls: ["./accounts.component.scss"]
})
export class AccountsComponent implements OnInit {
private data: Observable<Account[]>;
constructor(private accountsGQL: AccountsGQL) {}
ngOnInit() {
this.data = this.accountsGQL
.watch({ offset: 0, limit: 1 })
.valueChanges.pipe(map(result => result.data.accounts));
}
}
'offset'已将NonNull类型'Int!'的Null值强制转换为