如何在Play中调用非GET/POST HTTP方法? [英] How do I invoke non-GET/POST HTTP methods in Play?

问题描述

我有一个RESTful Play 2.0应用程序，我想从浏览器的链接中调用DELETE /sessions.

I have a RESTful Play 2.0 application, and I'd like to call DELETE /sessions from a link in the browser.

我该怎么做? Rails习惯于对非GET/POST请求使用_method查询参数，但是Play的文档没有提及这一点.

How do I do this? Rails has a convention of using a _method query parameter for non-GET/POST requests, but Play's documents don't mention this.

此外，我是否必须创建一个单独的表单或XMLHttpRequest以便从链接的href调用该方法，或者是否有类似Rails的data-method属性的东西?

Also, do I have to create a separate form or XMLHttpRequest in order to invoke the method from a link's href or is there something like Rails's data-method attribute?

推荐答案

您不会使用通用链接来做到这一点.

You will not do that with common link.

引用Google网上论坛上的类似主题:

链接(A标记)不适用于DELETE方法.语义 链接的意思是链接"到另一个资源，该资源可以检索 使用GET请求.您可以在Ajax或表单中执行DELETE请求 使用POST方法并包含带有名称的隐藏输入 "X-HTTP-Method-Override"和值"DELETE".

A link (A tag) is not intended to work with DELETE method. The semantic of a link is to "link" to another resource, which can be retrieve using a GET request. You can do DELETE requests in Ajax, or in form using a POST method and containing an hidden input with name "X-HTTP-Method-Override" and value "DELETE".

这是什么意思:您需要使用GET删除项目:

What is that mean: you need use GET to delete the item:

在conf/routes中:

GET   /delete/:itemId    controllers.Application.deleteItem(itemid : Long)

您认为:

<a href="@routes.Application.deleteItem(item.id)">Delete @item.name</a>

或通过AJAX调用:

<script type="text/javascript">
    $.ajax({
        url:"@routes.Application.actionToDeleteSomething()",
        type:"DELETE"
    });
</script>

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