Vue.js axios在将文件上载到laravel api时发送null。错误消息:";在null上调用成员函数store();
我有一个文件上传的表格。目前我正在使用vue、axios和laravel 7 我的表格如下:Vue.js axios在将文件上载到laravel api时发送null。错误消息:";在null上调用成员函数store();,vue.js,file-upload,axios,file-type,laravel-filesystem,Vue.js,File Upload,Axios,File Type,Laravel Filesystem,我有一个文件上传的表格。目前我正在使用vue、axios和laravel 7 我的表格如下: <form v-on:submit.prevent="createTask" enctype="multipart/form-data" method="post"> <div class="form-group">
<form v-on:submit.prevent="createTask" enctype="multipart/form-data" method="post">
<div class="form-group">
<label for="title">Title</label>
<input type="text" class="form-control" name="title" id="title" v-model="task.title" />
<label for="content">Content</label>
<textarea v-model="task.content" class="form-control" id="content" name="content" rows="4" ></textarea>
<button type="submit" class="btn btn-sm btn-primary
pull-right" style="margin:10px; padding:5 15 5 15; background-color:#4267b2">Save Task</button>
<span>
<button @click="removeImage" class="btn btn-sm btn-outline-danger" style="margin:10px; padding:5 15 5 15; ">Remove File</button>
</span>
<input type="file" id="image" name="image" />
</div>
</form>
我的控制器代码
public function store(Request $request)
{
$task = $request->isMethod('put') ? Task::findOrFail($request->task_id) : New Task;
$task->id = $request->input('task_id');
$task->title = $request->input('title');
$task->content = $request->input('content');
$task->views = $request->input('views');
$task->created_by = $request->input('created_by');
$task->image = $request->image->store('images');
//$task->image = $request->file('image')->store('images');
if($task->save()) {
return new TaskResource($task);
}
}
请求有效负载
{task_id: "", title: "test", content: "test content", created_by: "1", image: {}}
我们可以看到图像属性为空
响应错误消息
"Call to a member function store() on null"
console.log(document.getElementById('image').files[0])的输出
最后修改:1590920737890
最后修改日期:太阳2020年5月31日11:25:37 GMT+0100(英国夏季时间){}
名称:“test.jpg”
尺码:436632
键入:“图像/jpeg”
webkitRelativePath:“
proto:File假设
image
列具有正确的结构,您可以尝试以下操作:
我通过如下更改axios post请求解决了这个问题。我使用FormData追加数据并将数据发送到服务器
createTask() {
let data = new FormData;
data.append('image', document.getElementById('image').files[0]);
data.append('task_id', this.task.id);
data.append('title', this.task.title);
data.append('content', this.task.content);
data.append('created_by', this.$userId);
axios({
headers: { 'Content-Type': 'multipart/form-data' },
method: 'post',
url: '/api/tasks',
data: data
})
.then(res => {
// check if the request is successful
this.$emit("task-created");
this.image = '';
this.task = {}
})
.catch(function (error){
console.log(error)
});
}
这不管用。上传文件时,$request->hasFile
返回false。我认为问题不在于控制器,而在于前端
File {name: "test.jpg", lastModified: 1590920737890, lastModifiedDate: Sun May 31 2020 11:25:37 GMT+0100 (British Summer Time), webkitRelativePath: "", size: 436632, …}
createTask() {
let data = new FormData;
data.append('image', document.getElementById('image').files[0]);
data.append('task_id', this.task.id);
data.append('title', this.task.title);
data.append('content', this.task.content);
data.append('created_by', this.$userId);
axios({
headers: { 'Content-Type': 'multipart/form-data' },
method: 'post',
url: '/api/tasks',
data: data
})
.then(res => {
// check if the request is successful
this.$emit("task-created");
this.image = '';
this.task = {}
})
.catch(function (error){
console.log(error)
});
}