小编Yin*_*eng的帖子

为什么我不能在状态中推送到数组?

我似乎无法从API将对象推送到状态数组.这是我的代码

      async _fetchData(number){
        try{
          await console.log('asd',number)
          let response = await fetch( 'https://www.beanlinked.com/wp-json/wp/v2/media/'+this.state.News[number].featured_media)
          let responseJson = await response.json()
          await console.log("responseJson")
          let tempURL = responseJson.guid
          let url = tempURL.rendered

          for (var i = 0; i < this.state.News.length; i++) {
            const items = this.state.News;
            items[number].URLOnSever = url;

          }

          this.state.News.push({
            URLOnSever : url
          })
          console.log("imageurl",this.state.News.URLOnSever)

          return url
        }catch(e){
          console.log('problem'+e)
        }
      }
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我只是想推送新的URL this.state.News.

javascript ecmascript-6 reactjs react-native

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解决办法
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