"Request failed with status code 400"

"Request failed with status code 400" 表示请求失败，返回的状态码为400。根据引用和引用的内容，这个错误通常是由于前端调用接口时存在问题导致的。可能是请求参数不正确或者缺少必要参数。通过查看前端发出的请求URL，可以确定是否缺少名为type的数据。如果确实缺少该参数或者参数类型与后端不一致，就会导致请求无法进入控制器，从而引发400错误。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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