Spring Cloud Edgware新特性之五:filters端点

Spring Cloud是当前煊赫一时的微服务开发框架。它的功能强大,组件丰富,设计优雅。目前Spring Cloud还在不断发展之中。spring

Spring Cloud即将发布Spring Cloud Edgware 版本。该版本解决了很多Bug,新增了很多新特性,本系列博客将为你们详细阐述在Spring Cloud Edgware中新增的特性。微信

咱们知道,过滤器是Zuul的核心。笔者曾经写过两篇文章介绍过滤器:app

Spring Cloud内置的Zuul过滤器详解 Spring Cloud Zuul过滤器详解 在Spring Cloud Edgware版本中,新增了/filters 端点。访问该端点便可返回Zuul中当前全部过滤器的详情,并按照类型分类。框架

以下是 /filters 端点的展现结果,从中,咱们能够了解当前Zuul中, error、post 、pre 、route 四种类型的过滤器分别有哪些,每一个过滤器的order (执行顺序)是多少,以及是否启用等信息。这对于Zuul问题的定位颇有用。微服务

{
    "error": [
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilter",
            "order": 0,
            "disabled": false,
            "static": true
        }
    ],
    "post": [
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.post.SendResponseFilter",
            "order": 1000,
            "disabled": false,
            "static": true
        }
    ],
    "pre": [
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.pre.DebugFilter",
            "order": 1,
            "disabled": false,
            "static": true
        },
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.pre.FormBodyWrapperFilter",
            "order": -1,
            "disabled": false,
            "static": true
        },
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.pre.Servlet30WrapperFilter",
            "order": -2,
            "disabled": false,
            "static": true
        },
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.pre.ServletDetectionFilter",
            "order": -3,
            "disabled": false,
            "static": true
        },
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.pre.PreDecorationFilter",
            "order": 5,
            "disabled": false,
            "static": true
        }
    ],
    "route": [
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.route.SimpleHostRoutingFilter",
            "order": 100,
            "disabled": false,
            "static": true
        },
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter",
            "order": 10,
            "disabled": false,
            "static": true
        },
        {
            "class": "org.springframework.cloud.netflix.zuul.filters.route.SendForwardFilter",
            "order": 500,
            "disabled": false,
            "static": true
        }
    ]
}

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