Apollo GraphQL错误：错误：网络错误：无法读取未定义的属性'切片'

问题描述：

我试图查询数据时遇到这个长的错误。这是有效的数据（根据GraphQLi进行测试）。任何指导将不胜感激！Apollo GraphQL错误：错误：网络错误：无法读取未定义的属性'切片'

Error: Network error: Cannot read property 'slice' of undefined 
    at new ApolloError (eval at ./node_modules/apollo-client/errors/ApolloError.js (main.js:914), <anonymous>:34:28) 
    at ObservableQuery.currentResult (eval at ./node_modules/apollo-client/core/ObservableQuery.js (main.js:826), <anonymous>:83:25) 
    at GraphQL.dataForChild (eval at ./node_modules/react-apollo/lib/graphql.js (main.js:2728), <anonymous>:339:62) 
    at GraphQL.render (eval at ./node_modules/react-apollo/lib/graphql.js (main.js:2728), <anonymous>:377:33) 
    at eval (eval at ./node_modules/react-dom/lib/ReactCompositeComponent.js (main.js:2984), <anonymous>:796:21) 
    at measureLifeCyclePerf (eval at ./node_modules/react-dom/lib/ReactCompositeComponent.js (main.js:2984), <anonymous>:75:12) 
    at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (eval at ./node_modules/react-dom/lib/ReactCompositeComponent.js (main.js:2984), <anonymous>:795:25) 
    at ReactCompositeComponentWrapper._renderValidatedComponent (eval at ./node_modules/react-dom/lib/ReactCompositeComponent.js (main.js:2984), <anonymous>:822:32) 
    at ReactCompositeComponentWrapper._updateRenderedComponent (eval at ./node_modules/react-dom/lib/ReactCompositeComponent.js (main.js:2984), <anonymous>:746:36) 
    at ReactCompositeComponentWrapper._performComponentUpdate (eval at ./node_modules/react-dom/lib/ReactCompositeComponent.js (main.js:2984), <anonymous>:724:10)

答

我遇到同样的问题，希望它能帮助你。在你的API响应中，它应该有一个名为“data”的根属性，你的数据应该是这个“data”属性的值。如下：

{ 
    "data": { 
     "slice": { 
     ... 
    }  
}

Apollo GraphQL错误：错误：网络错误：无法读取未定义的属性'切片'

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