.net core 无法从Axios(vue nuxt)向.net core API发送文件

.net core 无法从Axios(vue nuxt)向.net core API发送文件,.net-core,vuejs2,axios,nuxt.js,.net Core,Vuejs2,Axios,Nuxt.js,如果我尝试将文件从Vue发送到.net Core中的API端点,我将返回500个错误 我跟随了做这件事的教程,但他们似乎不适合这种设置 .net核心API: [Route("api/[controller]")] [ApiController] public class FileUploadController : ControllerBase { [HttpPost("[Action]")] public string send

如果我尝试将文件从Vue发送到.net Core中的API端点,我将返回500个错误

我跟随了做这件事的教程,但他们似乎不适合这种设置

.net核心API:

    [Route("api/[controller]")]
    [ApiController]
    public class FileUploadController : ControllerBase
    {

        [HttpPost("[Action]")]
        public string sendFiles([FromBody]FileUploadAPI file)
        {
            return "Yes!";
        }

        public class FileUploadAPI
        {
            public IFormFile File { get; set; }
        }
    }
Vue:

我想在API中接收我的文件
请求失败,状态代码为500

您将收到404错误,因为您使用了错误的URL

您的操作名称是
sendFiles
(复数),因此正确的URL路径应该是
/api/FileUpload/sendFiles

Axios能够作为
多部分/表单数据
请求正确处理
表单数据
。您不需要设置标题(无论如何都是不正确的),也不应该将
数据
包装到对象中

let data=new FormData();
data.append('file',files[0]);//假设“文件”指的是文件列表
此.$axios.post('https://localhost:44352/api/FileUpload/sendFiles",数据)
.然后(…)

由于使用了错误的URL,您将收到404错误

您的操作名称是
sendFiles
(复数),因此正确的URL路径应该是
/api/FileUpload/sendFiles

Axios能够作为
多部分/表单数据
请求正确处理
表单数据
。您不需要设置标题(无论如何都是不正确的),也不应该将
数据
包装到对象中

let data=new FormData();
data.append('file',files[0]);//假设“文件”指的是文件列表
此.$axios.post('https://localhost:44352/api/FileUpload/sendFiles",数据)
.然后(…)

以下示例代码片段可能对您有所帮助。在其中,我使用vuetify、vue upload组件和axios上传图像

 <template lang="html">
  <div class="imageUploader">
    <!-- <v-card> -->
      <!-- <div v-show="$refs.upload && $refs.upload.dropActive" class="drop-active"></div> -->
      <div class="avatar-upload">
        <div class="text-center p-2">
          <div class="avatar-container">
            <div class="no-image" v-if="files.length === 0 && file == ''">
              <v-icon>cloud_upload</v-icon>
            </div>
            <template v-else>
              <img :src="file" alt="">
            </template>
          </div>
        </div>
        <div class="text-center p-2">
          <v-btn class="browse-btn" flat>
            <file-upload
              extensions="gif,jpg,jpeg,png,webp"
              accept="image/png,image/gif,image/jpeg,image/webp"
              name="avatar"
              v-model="files"
              @input="uploadImage"
              ref="upload">
              Choose File
            </file-upload>
          </v-btn>
        </div>
      </div>
    <!-- </v-card> -->
  </div>
</template>

<script>
import Cropper from 'cropperjs'
import VueUploadComponent from 'vue-upload-component'
//import axios from 'axios'

export default {
  components: {
    'file-upload': VueUploadComponent
  },
  props: ['order', 'imageURL'],
  data() {
    return {
      dialog: false,
      files: [],
      edit: false,
      cropper: false,
      file: '',
    }
  },
  mounted() {
    if (this.imageURL) {
      this.file = this.$baseURL+'document/downloadimage/' +  this.imageURL
    }
  },
  watch: {
    imageURL() {
      if (this.imageURL) {
        this.file = this.$baseURL+'document/downloadimage/' +  this.imageURL
      }
    },
  },

  methods: {
  **uploadImage(file) {
    let formData = new FormData();
    formData.append('file', file[0].file);

    axios.post(axios.defaults.baseURL + 'document/uploadimage', formData, {headers: {'Content-Type': 'multipart/form-data'}})
      .then((response) => {
        this.dialog = false
        this.$emit('upload', {id: response.data.result[0].objectId, order: this.order})
        this.file = this.$baseURL+'document/downloadimage/' + response.data.result[0].objectId

        let reader = new FileReader()
        reader.readAsDataURL(file[0].file)
        reader.onload = () => {
          let base64 = reader.result.split(',')[1]
          this.$emit('base64', base64)
          }

        this.getDimensions(this.$baseURL+'document/downloadimage/' + response.data.result[0].objectId, (result) => {
          this.$emit('dimensions', {width: result.width, height: result.height})
        })


      })
      .catch((error) => {
        console.log(error)
      })
    },**

    getDimensions(url, callback) {
      var img = new Image();
      img.src = url
      img.onload = function() {
        var result = {width: this.width, height: this.height}
        callback(result)
      }

    }
  },

}
</script>

云端上传
选择文件
从“cropperjs”导入裁剪器
从“vue上载组件”导入VueUploadComponent
//从“axios”导入axios
导出默认值{
组成部分:{
“文件上载”:VueUploadComponent
},
道具:['order','imageURL'],
数据(){
返回{
对话:错,
文件:[],
编辑:false,
克罗珀:错,
文件:“”,
}
},
安装的(){
if(this.imageURL){
this.file=this.$baseURL+'document/downloadimage/'+this.imageURL
}
},
观察:{
imageURL(){
if(this.imageURL){
this.file=this.$baseURL+'document/downloadimage/'+this.imageURL
}
},
},
方法:{
**上传图像(文件){
设formData=new formData();
formData.append('file',文件[0].file);
post(axios.defaults.baseURL+'document/uploadimage',formData,{headers:{'Content-Type':'multipart/formData'})
。然后((响应)=>{
this.dialog=false
this.$emit('upload',{id:response.data.result[0].objectId,order:this.order})
this.file=this.$baseURL+'document/downloadimage/'+response.data.result[0]。objectId
let reader=new FileReader()
reader.readAsDataURL(文件[0]。文件)
reader.onload=()=>{
让base64=reader.result.split(',')[1]
此.$emit('base64',base64)
}
this.getDimensions(this.$baseURL+'document/downloadimage/'+response.data.result[0]。objectId,(result)=>{
这是。$emit('dimensions',{width:result.width,height:result.height})
})
})
.catch((错误)=>{
console.log(错误)
})
},**
getDimensions(url、回调){
var img=新图像();
img.src=url
img.onload=函数(){
var result={width:this.width,height:this.height}
回调(结果)
}
}
},
}

以下示例代码片段可能对您有所帮助。在其中,我使用vuetify、vue upload组件和axios上传图像

 <template lang="html">
  <div class="imageUploader">
    <!-- <v-card> -->
      <!-- <div v-show="$refs.upload && $refs.upload.dropActive" class="drop-active"></div> -->
      <div class="avatar-upload">
        <div class="text-center p-2">
          <div class="avatar-container">
            <div class="no-image" v-if="files.length === 0 && file == ''">
              <v-icon>cloud_upload</v-icon>
            </div>
            <template v-else>
              <img :src="file" alt="">
            </template>
          </div>
        </div>
        <div class="text-center p-2">
          <v-btn class="browse-btn" flat>
            <file-upload
              extensions="gif,jpg,jpeg,png,webp"
              accept="image/png,image/gif,image/jpeg,image/webp"
              name="avatar"
              v-model="files"
              @input="uploadImage"
              ref="upload">
              Choose File
            </file-upload>
          </v-btn>
        </div>
      </div>
    <!-- </v-card> -->
  </div>
</template>

<script>
import Cropper from 'cropperjs'
import VueUploadComponent from 'vue-upload-component'
//import axios from 'axios'

export default {
  components: {
    'file-upload': VueUploadComponent
  },
  props: ['order', 'imageURL'],
  data() {
    return {
      dialog: false,
      files: [],
      edit: false,
      cropper: false,
      file: '',
    }
  },
  mounted() {
    if (this.imageURL) {
      this.file = this.$baseURL+'document/downloadimage/' +  this.imageURL
    }
  },
  watch: {
    imageURL() {
      if (this.imageURL) {
        this.file = this.$baseURL+'document/downloadimage/' +  this.imageURL
      }
    },
  },

  methods: {
  **uploadImage(file) {
    let formData = new FormData();
    formData.append('file', file[0].file);

    axios.post(axios.defaults.baseURL + 'document/uploadimage', formData, {headers: {'Content-Type': 'multipart/form-data'}})
      .then((response) => {
        this.dialog = false
        this.$emit('upload', {id: response.data.result[0].objectId, order: this.order})
        this.file = this.$baseURL+'document/downloadimage/' + response.data.result[0].objectId

        let reader = new FileReader()
        reader.readAsDataURL(file[0].file)
        reader.onload = () => {
          let base64 = reader.result.split(',')[1]
          this.$emit('base64', base64)
          }

        this.getDimensions(this.$baseURL+'document/downloadimage/' + response.data.result[0].objectId, (result) => {
          this.$emit('dimensions', {width: result.width, height: result.height})
        })


      })
      .catch((error) => {
        console.log(error)
      })
    },**

    getDimensions(url, callback) {
      var img = new Image();
      img.src = url
      img.onload = function() {
        var result = {width: this.width, height: this.height}
        callback(result)
      }

    }
  },

}
</script>

云端上传
选择文件
从“cropperjs”导入裁剪器
从“vue上载组件”导入VueUploadComponent
//从“axios”导入axios
导出默认值{
组成部分:{
“文件上载”:VueUploadComponent
},
道具:['order','imageURL'],
数据(){
返回{
对话:错,
文件:[],
编辑:false,
克罗珀:错,
文件:“”,
}
},
安装的(){
if(this.imageURL){
this.file=this.$baseURL+'document/downloadimage/'+this.imageURL
}
},
观察:{
imageURL(){
if(this.imageURL){
this.file=this.$baseURL+'document/downloadimage/'+this.imageURL
}
},
},
方法:{
**上传图像(文件){
设formData=new formData();
formData.append('file',文件[0].file);
post(axios.defaults.baseURL+'document/uploadimage',formData,{headers:{'Content-Type':'multipart/formData'})
。然后((响应)=>{
this.dialog=false
this.$emit('upload',{id:response.data.result[0].objectId,order:this.order})
this.file=this.$baseURL+'document/downloadimage/'+response.data.result[0]。objectId
let reader=new FileReader()
reader.readAsDataURL(文件[0]。文件)
reader.onload=()=>{
让base64=reader.result.split(',')[1]
此.$emit('base64',base64)
}
this.getDimensions(this.$baseURL+'document/downloadimage/'+response.data.result[0]。objectId,(result)=>{
这是。$emit('dimensions',{width:result.width,height:result.height})
})
})
.catch((错误)=>{
console.log(错误)
})
},**
getDimensions(url、回调){
var img=新图像();
img.src=url
img.onload=