{"id":350,"date":"2024-07-20T09:29:26","date_gmt":"2024-07-20T01:29:26","guid":{"rendered":"https:\/\/forelink.top\/?p=350"},"modified":"2024-07-20T09:29:27","modified_gmt":"2024-07-20T01:29:27","slug":"2-springmvc%e5%85%a5%e9%97%a8%e6%a1%88%e4%be%8b","status":"publish","type":"post","link":"https:\/\/forelink.top\/index.php\/2024\/07\/20\/2-springmvc%e5%85%a5%e9%97%a8%e6%a1%88%e4%be%8b\/","title":{"rendered":"2.SpringMVC\u5165\u95e8\u6848\u4f8b"},"content":{"rendered":"\n

SpringMVC\u5165\u95e8\u6848\u4f8b<\/h1>\n\n\n\n

\u524d\u671f\u51c6\u5907\uff1a<\/h2>\n\n\n\n
    \n

  1. \u9996\u5148\u8981\u5bfc\u5165SpringMVC\u5750\u6807\u4e0eServlet\u5750\u6807<\/p>
    <\/li>\n\n\n\n

  2. \u521b\u5efaSpringMVC\u63a7\u5236\u5668\u7c7b\uff08\u7b49\u540c\u4e8eServlet\u529f\u80fd\uff09<\/p>

    @Controller
    public class UserController{
        @RequestMapping(\"\/save\")
        @ResponseBody
        public String save(String name){
            sout(\"springmvc save name ==> \" + name);
            return \"{'module':'springmvc save'}\";
        }
    }
    <\/code><\/pre>
    \u529f\u80fd\u5728\u63a7\u5236\u5668\uff08Controller\uff09\u4e2d\u5b9e\u73b0<\/p>
    <\/li>\n\n\n\n
  3. \u521d\u59cb\u5316SpringMVC\u73af\u5883\uff08\u540cSpring\u73af\u5883\uff09\uff0c\u8bbe\u5b9aSpringMVC\u52a0\u8f7d\u5bf9\u5e94\u7684Bean<\/p>
    @Configuration
    @ComponentScan(\"com.forelink.controller\")
    public class SpringMvcConfig{
    }
    <\/code><\/pre>
    <\/li>\n\n\n\n
  4. \u521d\u59cb\u5316Servlet\u5bb9\u5668\uff0c\u52a0\u8f7dSpringMVC\u73af\u5883\uff0c\u5e76\u8bbe\u7f6eSpringMVC\u6280\u672f\u5904\u7406\u7684\u8bf7\u6c42<\/p>
    <\/li>\n\n\n\n
  5. \u5bfc\u5165Tomcat\u63d2\u4ef6<\/p>
    <\/li>\n<\/ol>\n\n\n\n
    \u521b\u5efa\u6a21\u5757\uff1a<\/h2>\n\n\n\n
    \u200b    \u9009\u62e9New Module – Maven Archetype – \u9009\u62e9JDK – Archetype\u9009\u62e9\u540e\u7f00\u4e3awebapp\u7684\u9aa8\u67b6<\/p>\n\n\n\n
    \u200b    \u5728pom.xml\u4e2d\uff0c\u53ef\u4ee5\u628a\u591a\u4f59\u7684 \u548c  \u5220\u9664\n\u200b    \u53f3\u952emain\u6587\u4ef6\u5939\uff0c\u65b0\u5efa\u4e00\u4e2a\u6e90\u7801\u76ee\u5f55java\uff0c\u7136\u540emark directory\u4e3asource code\u6e90\u7801\u76ee\u5f55\uff08\u5176\u5b9e\u80fd\u81ea\u52a8\u5316\uff09<\/p>\n\n\n\n
    \u200b    \u7136\u540e\u5bfc\u5165springmvc\u548cservlet\u7684\u5750\u6807<\/p>\n\n\n\n
    \u200b    springmvc\u5bfc\u5165org.springframework\u5373\u53ef\u3002<\/p>\n\n\n\n
    \u521b\u5efa\u63a7\u5236\u5668\uff1a<\/h2>\n\n\n\n
    \u5728java\u4e0b\u5efa\u7acb\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b<\/p>\n\n\n\n
    package com.forelink.controller; \/\/\u5305\u540d\nimport org.springframework.stereotype.Controller; \/\/\u5bfc\u5165\u63a7\u5236\u5668\u5305\nimport org.springframework.web.bind.annotation.RequestMapping;\n\n\/\/2.\u5b9a\u4e49Controller\n\/\/2.1\u4f7f\u7528@Controller\u5b9a\u4e49Bean\n@Controller \/\/\u7c7b\u540d\u524d\u8981\u52a0\u5165\u6ce8\u89e3\npublic class UserController {\n    @RequestMapping(\"\/save\")\n    public String save(){\n        System.out.println(\"user save...\");\n        return \"{'module':'springmvc'}\";\n    }\n}\n<\/code><\/pre>\n\n\n\n
    \u521b\u5efaSpringMVC\u914d\u7f6e\uff1a<\/h2>\n\n\n\n
    \u5728forelink\u4e0b\u521b\u5efa\u4e00\u4e2aconfig\u5305\u7528\u6765\u5b58\u653e\u914d\u7f6e\u6587\u4ef6\uff0c\u521b\u5efaSpringMvcConfig<\/p>\n\n\n\n
    \/\/ 3. \u521b\u5efaspringmvc\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u52a0\u8f7dcontroller\u5bf9\u5e94\u7684bean\npackage com.forelink.config;\n\nimport org.springframework.context.annotation.ComponentScan;\nimport org.springframework.context.annotation.Configuration;\n\n@Configuration\n@ComponentScan(\"com.forelink.controller\")\npublic class SpringMvcConfig {\n\n}\n<\/code><\/pre>\n\n\n\n
    \u521b\u5efaServlet\uff1a<\/h2>\n\n\n\n
    \u542f\u52a8\u670d\u52a1\u5668\u65f6\uff0c\u9700\u8981\u52a0\u8f7dSpring\uff0c\u5c31\u9700\u8981\u505aTomcat\u5bb9\u5668\u542f\u52a8\u7684\u914d\u7f6e\uff0c\u6765\u52a0\u8f7dSpringMVC\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n
    \/\/4. \u5b9a\u4e49\u4e00\u4e2aservlet\u5bb9\u5668\u542f\u52a8\u7684\u914d\u7f6e\u7c7b\uff0c\u5728\u91cc\u9762\u52a0\u8f7dspring\u7684\u914d\u7f6e\npackage com.forelink.config;\nimport org.springframework.web.context.WebApplicationContext;\nimport org.springframework.web.context.support.AnnotationConfigWebApplicationContext;\nimport org.springframework.web.servlet.support.AbstractDispatcherServletInitializer;\npublic class ServletContainerInitConfig extends AbstractDispatcherServletInitializer{\n    \/\/\u91cd\u5199\u4e09\u4e2a\u65b9\u6cd5\n    \/\/\u52a0\u8f7dSpringMVC\u5bb9\u5668\u914d\u7f6e\n    @Override\n    protected WebApplicationContext createServletApplicationContext() {\n        \/\/\u666e\u901actx\u4e0d\u80fd\u7528\u4e8eweb\u73af\u5883\uff0c\u8981\u7528web\u7c7b\u578b\u7684ctx\uff08\u4e0b\u9762\u7684Web\uff09\n        AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();\n        \/\/\u6ce8\u518c\u914d\u7f6e \u4f1a\u52a0\u8f7dSpringMvcConfig\u7684\u914d\u7f6e\n        ctx.register(SpringMvcConfig.class);\n        return ctx;\n    }\n    \/\/\u8bbe\u7f6e\u54ea\u4e9b\u8bf7\u6c42\u5f52\u5c5eSpringMVC\u7ba1\u7406\n    @Override\n    protected String[] getServletMappings() {\n        \/\/\u4efb\u4f55\u8bf7\u6c42\n        return new String[]{\"\/\"};\n    }\n    \/\/\u52a0\u8f7dspring\u5bb9\u5668\u914d\u7f6e\n    @Override\n    protected WebApplicationContext createRootApplicationContext() {\n        return null; \/\/\u53ea\u6709MVC\u5c31\u4e0d\u7528\u7ba1\n    }\n}\n<\/code><\/pre>\n\n\n\n
    \u5bfc\u5165Tomcat\u63d2\u4ef6\uff1a<\/h2>\n\n\n\n
    \u5728pom.xml\u4e2dbuild\u9879\u52a0\u5165<\/p>\n\n\n\n
    <build>\n    <plugins>\n      <plugin>\n        <groupId>org.apache.tomcat.maven<\/groupId>\n        <artifactId>tomcat7-maven-plugin<\/artifactId>\n        <version>2.1<\/version>\n        <configuration>\n          <port>80<\/port>\n          <path>\/<\/path>\n        <\/configuration>\n      <\/plugin>\n    <\/plugins>\n    <finalName>springmvc_01_quickstart<\/finalName>\n  <\/build>\n<\/code><\/pre>\n\n\n\n
    \u542f\u52a8\u7a0b\u5e8f\uff08Maven\u542f\u52a8\uff09\uff1a<\/h2>\n\n\n\n
    \u70b9\u51fb\u8fd0\u884c\u6309\u94ae\u65c1\u8fb9\u7684\u4e09\u4e2a\u70b9\uff0c\u9009\u62e9Edit\uff0c\u70b9\u51fb\u52a0\u53f7\uff0c\u7136\u540e\u9009\u4e2dMaven\uff0c\u4fee\u6539\u9879\u76ee\u5730\u5740\uff0c\u5728 command line \u4e2d\u52a0\u5165<\/p>\n\n\n\n
    tomcat7:run\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e\u70b9\u51fb\u786e\u5b9a\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u7a0b\u5e8f\u901a\u8fc7maven\u65b9\u5f0f\u542f\u52a8\u3002<\/p>\n\n\n\n
    \u62a5\u9519\u603b\u7ed3\uff1a<\/h2>\n\n\n\n
    \u62a5\u9519\u5185\u5bb9\uff1a<\/h4>\n\n\n\n
    \u200b    \u65e0\u6cd5\u8bbf\u95eejakarta.servlet.ServletException<\/p>\n\n\n\n
    \u200b    A child container failed during start<\/p>\n\n\n\n
    \u89e3\u51b3\u65b9\u6cd51:<\/h4>\n\n\n\n
    \u200b    \u7528SpringBoot\uff0c\u5185\u5d4ctomcat\u548cmaven\u3002<\/p>\n\n\n\n
    \u89e3\u51b3\u65b9\u6cd52:<\/h4>\n\n\n\n
    \u200b    \u628aweb.xml\u4e2d\u6ca1\u7528\u7684\u90e8\u5206\u5220\u6389\uff0c\u5220\u5230\u53ea\u5269\u4e0b\u5982\u4e0b\u5185\u5bb9\u65f6\uff0c\u53ef\u4ee5\u8fd0\u884c\u3002<\/p>\n\n\n\n
    <!DOCTYPE web-app PUBLIC\n        \"-\/\/Sun Microsystems, Inc.\/\/DTD Web Application 2.3\/\/EN\"\n        \"http:\/\/java.sun.com\/dtd\/web-app_2_3.dtd\" >\n<web-app xmlns=\"http:\/\/xmlns.jcp.org\/xml\/ns\/javaee\"\n         xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\n         xsi:schemaLocation=\"http:\/\/xmlns.jcp.org\/xml\/ns\/javaee http:\/\/xmlns.jcp.org\/xml\/ns\/javaee\/web-app_3_1.xsd\"\n         version=\"3.1\">\n<\/web-app>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
    SpringMVC\u5165\u95e8\u6848\u4f8b \u524d\u671f\u51c6\u5907\uff1a \u521b\u5efa\u6a21\u5757\uff1a \u200b \u9009\u62e9New Module – Maven  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[28,17],"tags":[],"class_list":["post-350","post","type-post","status-publish","format-standard","hentry","category-spring","category-17"],"_links":{"self":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts\/350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/comments?post=350"}],"version-history":[{"count":1,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts\/350\/revisions"}],"predecessor-version":[{"id":351,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts\/350\/revisions\/351"}],"wp:attachment":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/media?parent=350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/categories?post=350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/tags?post=350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}