2020-09-09 16:19:13 +08:00
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(window.webpackJsonp=window.webpackJsonp||[]).push([[13],{356:function(t,s,a){"use strict";a.r(s);var n=a(42),e=Object(n.a)({},(function(){var t=this,s=t.$createElement,a=t._self._c||s;return a("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[a("h2",{attrs:{id:"概述"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#概述"}},[t._v("#")]),t._v(" 概述")]),t._v(" "),a("p",[t._v("当需要在gateway中加入自定义的逻辑时，可通过fizz的插件机制实现，插件："),a("br"),t._v("\n1、类似spring的WebFilter，是fizz内部的WebFilter，由fizz调度；"),a("br"),t._v("\n2、对不同的请求，可配置不同的上下文参数，可通过manager完成配置；"),a("br"),t._v("\n3、若有多个插件，当前插件可获取前面插件的执行结果。")]),t._v(" "),a("p",[t._v("插件的开发和应用，分gateway开发、manager配置两部分，下面以一个例子，依次介绍。")]),t._v(" "),a("h2",{attrs:{id:"gateway开发"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#gateway开发"}},[t._v("#")]),t._v(" gateway开发")]),t._v(" "),a("div",{staticClass:"language-java extra-class"},[a("pre",{pre:!0,attrs:{class:"language-java"}},[a("code",[t._v(" 实现\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("abstract")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("PluginFilter")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("abstract")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Mono")]),a("span",{pre:!0,attrs:{class:"token generics"}},[a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("<")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Void")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(">")])]),t._v(" "),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("doFilter")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ServerWebExchange")]),t._v(" exchange"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Map")]),a("span",{pre:!0,attrs:{class:"token generics"}},[a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("<")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Object")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(">")])]),t._v(" config"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("String")]),t._v(" fixedConfig"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n 即定义了一个插件。\n \n 比如\n "),a("span",{pre:!0,attrs:{class:"token annotation punctuation"}},[t._v("@Component")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("TestPluginFilter")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("TEST_PLUGIN_FILTER"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("TestPluginFilter")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("extends")]),t._v(" "),a("span",{pre:!0,attrs:{class:"toke
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