{"id":16481,"date":"2024-11-07T13:43:09","date_gmt":"2024-11-07T05:43:09","guid":{"rendered":"https:\/\/92it.top\/?p=16481"},"modified":"2024-11-07T13:43:09","modified_gmt":"2024-11-07T05:43:09","slug":"springboot-%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%e8%b7%a8%e5%9f%9f%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=16481","title":{"rendered":"SpringBoot \u5982\u4f55\u89e3\u51b3\u8de8\u57df\u95ee\u9898?"},"content":{"rendered":"\n

\u8f6c\u8f7d\uff1aSpringBoot \u5982\u4f55\u89e3\u51b3\u8de8\u57df\u95ee\u9898?<\/a><\/p>\n\n\n\n

\u8de8\u57df\u95ee\u9898\u662fWeb\u5f00\u53d1\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\uff0c\u7279\u522b\u662f\u5728\u524d\u540e\u7aef\u5206\u79bb\u7684\u9879\u76ee\u4e2d\u3002Spring Boot\u4f5c\u4e3a\u4e00\u4e2a\u6d41\u884c\u7684Java\u540e\u7aef\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u89e3\u51b3\u8de8\u57df\u95ee\u9898\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Spring Boot\u5982\u4f55\u89e3\u51b3\u8de8\u57df\u95ee\u9898\uff0c\u5305\u62ec\u539f\u7406\u5206\u6790\u3001\u4ee3\u7801\u5b9e\u73b0\u548c\u793a\u4f8b\u5c55\u793a\u3002<\/p>\n\n\n\n

\u8de8\u57df\u95ee\u9898<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u4ec0\u4e48\u662f\u8de8\u57df<\/strong><\/p>\n\n\n\n

\u8de8\u57df\u662f\u6307\u6d4f\u89c8\u5668\u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c\u5bf9\u6765\u81ea\u4e0d\u540c\u57df\u540d\u3001\u534f\u8bae\u6216\u7aef\u53e3\u7684\u8bf7\u6c42\u8fdb\u884c\u9650\u5236\u3002\u901a\u5e38\uff0c\u5f53\u4e00\u4e2a\u7f51\u9875\u53d1\u8d77\u7684\u8bf7\u6c42\u76ee\u6807\u662f\u4e0e\u5176\u6765\u6e90\u4e0d\u540c\u7684\u57df\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u8de8\u57df\u95ee\u9898\u3002\u6d4f\u89c8\u5668\u91c7\u7528\u540c\u6e90\u7b56\u7565\uff08Same-Origin Policy\uff09\u6765\u963b\u6b62\u67d0\u4e9b\u4e0d\u5b89\u5168\u7684\u8bf7\u6c42\u3002<\/p>\n\n\n\n

\u540c\u6e90\u7b56\u7565<\/strong><\/p>\n\n\n\n

\u540c\u6e90\u7b56\u7565\u662f\u6d4f\u89c8\u5668\u7684\u4e00\u4e2a\u5b89\u5168\u7279\u6027\uff0c\u7528\u4e8e\u9632\u6b62\u6076\u610f\u7f51\u7ad9\u8bfb\u53d6\u53e6\u4e00\u4e2a\u7f51\u7ad9\u7684\u654f\u611f\u4fe1\u606f\u3002\u53ea\u6709\u5f53\u534f\u8bae\u3001\u57df\u540d\u548c\u7aef\u53e3\u53f7\u90fd\u76f8\u540c\u65f6\uff0c\u6d4f\u89c8\u5668\u624d\u5141\u8bb8\u8bf7\u6c42\u901a\u8fc7\u3002<\/p>\n\n\n\n

CORS<\/strong><\/p>\n\n\n\n

CORS\uff0c\u5168\u79f0 Cross-Origin Resource Sharing \u7ffb\u8bd1\u4e3a\u8de8\u57df\u8d44\u6e90\u5171\u4eab\uff0c\u5b83\u4f7f\u7528\u989d\u5916\u7684 HTTP\u5934\u6765\u544a\u8bc9\u6d4f\u89c8\u5668\u5141\u8bb8 Web\u5e94\u7528\u4ece\u4e0d\u540c\u7684\u57df\u8fdb\u884c\u8bf7\u6c42\u3002CORS\u662f W3C\u7684\u4e00\u4e2a\u6807\u51c6\uff0c\u5141\u8bb8\u670d\u52a1\u5668\u58f0\u660e\u54ea\u4e9b\u6e90\u7ad9\u70b9\u53ef\u4ee5\u8bbf\u95ee\u5b83\u7684\u8d44\u6e90\u3002<\/p>\n\n\n\n

Spring Boot\u5982\u4f55\u89e3\u51b3\u8de8\u57df\uff1f<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u6574\u7406\u6765\u8bf4\uff0cSpring Boot\u89e3\u51b3\u8de8\u57df\u95ee\u9898\u7684\u65b9\u6cd5\u6709\u4e09\u79cd\uff1a<\/p>\n\n\n\n

    \n
  1. \u5168\u5c40\u914d\u7f6eCORS<\/li>\n\n\n\n
  2. \u4f7f\u7528@CrossOrigin\u6ce8\u89e3<\/li>\n\n\n\n
  3. \u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/li>\n<\/ol>\n\n\n\n

    \u5168\u5c40\u914d\u7f6eCORS<\/strong><\/p>\n\n\n\n

    \u5728Spring Boot\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0WebMvcConfigurer<\/code>\u63a5\u53e3\u6765\u5168\u5c40\u914d\u7f6eCORS\u3002<\/p>\n\n\n\n

    import org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.web.servlet.config.annotation.CorsRegistry;\nimport org.springframework.web.servlet.config.annotation.WebMvcConfigurer;\n\n@Configuration\npublic class WebConfig implements WebMvcConfigurer {\n\n    @Override\n    public void addCorsMappings(CorsRegistry registry) {\n        registry.addMapping(\"\/**\")\n                .allowedOrigins(\"http:\/\/example.com\")\n                .allowedMethods(\"GET\", \"POST\", \"PUT\", \"DELETE\")\n                .allowedHeaders(\"*\")\n                .allowCredentials(true)\n                .maxAge(3600);\n    }\n}<\/pre>\n\n\n\n
    \u4ee3\u7801\u5206\u6790<\/p>\n\n\n\n
      \n
    • addMapping(\"\/**\")<\/code>: \u5141\u8bb8\u6240\u6709\u8def\u5f84\u7684\u8bf7\u6c42\u3002<\/li>\n\n\n\n
    • allowedOrigins(\"http:\/\/example.com\")<\/code>: \u5141\u8bb8\u7684\u8de8\u57df\u8bf7\u6c42\u6765\u6e90\u3002<\/li>\n\n\n\n
    • allowedMethods(\"GET\", \"POST\", \"PUT\", \"DELETE\")<\/code>: \u5141\u8bb8\u7684HTTP\u65b9\u6cd5\u3002<\/li>\n\n\n\n
    • allowedHeaders(\"*\")<\/code>: \u5141\u8bb8\u7684\u8bf7\u6c42\u5934\u3002<\/li>\n\n\n\n
    • allowCredentials(true)<\/code>: \u662f\u5426\u5141\u8bb8\u53d1\u9001Cookie\u3002<\/li>\n\n\n\n
    • maxAge(3600)<\/code>: \u9884\u68c0\u8bf7\u6c42\u7684\u7f13\u5b58\u65f6\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n
      \u4f7f\u7528@CrossOrigin\u6ce8\u89e3<\/strong><\/p>\n\n\n\n
      Spring\u63d0\u4f9b\u4e86@CrossOrigin\u6ce8\u89e3\u7528\u4e8e\u7b80\u5316\u8de8\u57df\u914d\u7f6e\u3002\u53ef\u4ee5\u5728\u63a7\u5236\u5668\u7c7b\u6216\u65b9\u6cd5\u7ea7\u522b\u4f7f\u7528\u3002<\/p>\n\n\n\n
      import org.springframework.web.bind.annotation.CrossOrigin;\nimport org.springframework.web.bind.annotation.GetMapping;\nimport org.springframework.web.bind.annotation.RestController;\n\n@RestController\npublic class MyController {\n\n    @CrossOrigin(origins = \"http:\/\/example.com\")\n    @GetMapping(\"\/greet\")\n    public String greet() {\n        return \"Hello World\";\n    }\n}\n\n<\/pre>\n\n\n\n
      \u4ee3\u7801\u5206\u6790<\/p>\n\n\n\n
        \n
      • @CrossOrigin(origins = \"http:\/\/example.com\")<\/code>: \u6307\u5b9a\u5141\u8bb8\u8de8\u57df\u7684\u6765\u6e90\u3002<\/li>\n\n\n\n
      • \u53ef\u4ee5\u5728\u7c7b\u7ea7\u522b\u4f7f\u7528@CrossOrigin\uff0c\u5e94\u7528\u4e8e\u8be5\u7c7b\u7684\u6240\u6709\u8bf7\u6c42\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n
        \u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/strong><\/p>\n\n\n\n
        \u901a\u8fc7\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\uff0c\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u5904\u7406\u8de8\u57df\u8bf7\u6c42\u3002<\/p>\n\n\n\n
        \u5982\u4e0b\u793a\u4f8b\u4ee3\u7801\uff0c\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668 CorsFilter \u5b9e\u73b0 Filter\uff0c\u4ece\u800c\u5141\u8bb8https:\/\/yuanjava.com<\/code> \u4f5c\u4e3a\u8de8\u57df\u7684\u6765\u6e90\u3002<\/p>\n\n\n\n
        import javax.servlet.Filter;\nimport javax.servlet.FilterChain;\nimport javax.servlet.FilterConfig;\nimport javax.servlet.ServletException;\nimport javax.servlet.ServletRequest;\nimport javax.servlet.ServletResponse;\nimport javax.servlet.http.HttpServletRequest;\nimport javax.servlet.http.HttpServletResponse;\nimport java.io.IOException;\n\nimport org.springframework.stereotype.Component;\n\n@Component\npublic class CorsFilter implements CorsFilter {\n\n    @Override\n    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)\n            throws IOException, ServletException {\n        HttpServletResponse res = (HttpServletResponse) response;\n        res.setHeader(\"Access-Control-Allow-Origin\", \"https:\/\/yuanjava.com\");\n        res.setHeader(\"Access-Control-Allow-Methods\", \"GET, POST, PUT, DELETE\");\n        res.setHeader(\"Access-Control-Allow-Headers\", \"Content-Type\");\n        res.setHeader(\"Access-Control-Allow-Credentials\", \"true\");\n        \n        if (\"OPTIONS\".equalsIgnoreCase(((HttpServletRequest) request).getMethod())) {\n            res.setStatus(HttpServletResponse.SC_OK);\n            return;\n        }\n\n        chain.doFilter(request, response);\n    }\n\n    @Override\n    public void init(FilterConfig filterConfig) throws ServletException {\n    }\n\n    @Override\n    public void destroy() {\n    }\n}<\/pre>\n\n\n\n
        \u4ee3\u7801\u5206\u6790\uff1a<\/p>\n\n\n\n
          \n
        • setHeader(\"Access-Control-Allow-Origin\", \"https:\/\/yuanjava.com\")<\/code>: \u8bbe\u7f6e\u5141\u8bb8\u8de8\u57df\u7684\u6765\u6e90\u3002<\/li>\n\n\n\n
        • setHeader(\"Access-Control-Allow-Methods\", \"GET, POST, PUT, DELETE\")<\/code>: \u8bbe\u7f6e\u5141\u8bb8\u7684HTTP\u65b9\u6cd5\u3002<\/li>\n\n\n\n
        • setHeader(\"Access-Control-Allow-Headers\", \"Content-Type\")<\/code>: \u8bbe\u7f6e\u5141\u8bb8\u7684\u8bf7\u6c42\u5934\u3002<\/li>\n\n\n\n
        • setHeader(\"Access-Control-Allow-Credentials\", \"true\")<\/code>: \u5141\u8bb8\u53d1\u9001Cookie\u3002<\/li>\n\n\n\n
        • \u5bf9\u4e8eOPTIONS\u9884\u68c0\u8bf7\u6c42\uff0c\u76f4\u63a5\u8fd4\u56de\u72b6\u6001\u7801200\u3002<\/li>\n<\/ul>\n\n\n\n
          \u793a\u4f8b\u5c55\u793a<\/strong><\/p>\n\n\n\n
          \n\n\n\n
          \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7b80\u5355\u7684 Spring Boot\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u63d0\u4f9b\u4e00\u4e2a RESTful API\u3002\u6211\u4eec\u5e0c\u671b\u5141\u8bb8\u6765\u81ea”https:\/\/yuanjava.com”\u7684\u8de8\u57df\u8bf7\u6c42\u3002<\/p>\n\n\n\n
          \u9879\u76ee\u7ed3\u6784<\/strong><\/p>\n\n\n\n
          src\n\u2514\u2500\u2500 main\n    \u251c\u2500\u2500 java\n    \u2502   \u2514\u2500\u2500 com\n    \u2502       \u2514\u2500\u2500 yuanjava\n    \u2502           \u251c\u2500\u2500 CorsFilter.java\n    \u2502           \u251c\u2500\u2500 MyController.java\n    \u2502           \u2514\u2500\u2500 WebConfig.java\n    \u2514\u2500\u2500 resources\n        \u2514\u2500\u2500 application.properties<\/pre>\n\n\n\n
          \u4ee3\u7801\u5b9e\u73b0<\/strong><\/p>\n\n\n\n
              WebConfig.java: \u5168\u5c40\u914d\u7f6eCORS\n    MyController.java: \u4f7f\u7528@CrossOrigin\u6ce8\u89e3\n    CorsFilter.java: \u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/pre>\n\n\n\n
          \u6d4b\u8bd5\u8de8\u57df\u8bf7\u6c42<\/strong><\/p>\n\n\n\n
          \u53ef\u4ee5\u4f7f\u7528Postman\u6216\u7f16\u5199\u7b80\u5355\u7684JavaScript\u4ee3\u7801\u6765\u6d4b\u8bd5\u8de8\u57df\u8bf7\u6c42\u3002<\/p>\n\n\n\n
          fetch('http:\/\/localhost:8080\/greet', {\n    method: 'GET',\n    headers: {\n        'Content-Type': 'application\/json'\n    },\n    credentials: 'include'\n})\n.then(response => response.json())\n.then(data => console.log(data))\n.catch(error => console.error('Error:', error));<\/pre>\n\n\n\n
          \u9a8c\u8bc1<\/strong><\/p>\n\n\n\n
            \n
          • \u542f\u52a8Spring Boot\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n\n\n\n
          • \u901a\u8fc7\u6d4f\u89c8\u5668\u6216Postman\u6d4b\u8bd5API\u3002<\/li>\n\n\n\n
          • \u786e\u8ba4\u8de8\u57df\u8bf7\u6c42\u6210\u529f\uff0c\u5e76\u5728\u63a7\u5236\u53f0\u6216\u65e5\u5fd7\u4e2d\u67e5\u770b\u8bf7\u6c42\u548c\u54cd\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n
            \u603b\u7ed3<\/strong><\/p>\n\n\n\n
            \n\n\n\n
            \u901a\u8fc7\u672c\u6587\uff0c\u6211\u4eec\u8be6\u7ec6\u63a2\u8ba8\u4e86 Spring Boot\u89e3\u51b3\u8de8\u57df\u95ee\u9898\u7684\u4e09\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u5168\u5c40\u914d\u7f6e\u3001\u4f7f\u7528\u6ce8\u89e3\u548c\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u54ea\u79cd\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5e94\u7528\u7684\u5177\u4f53\u9700\u6c42\u548c\u590d\u6742\u6027\u3002<\/p>\n\n\n\n
              \n
            • \u5168\u5c40\u914d\u7f6e<\/strong>: \u9002\u7528\u4e8e\u9700\u8981\u7edf\u4e00\u914d\u7f6e\u8de8\u57df\u7b56\u7565\u7684\u5e94\u7528\u3002<\/li>\n\n\n\n
            • @CrossOrigin\u6ce8\u89e3<\/strong>: \u9002\u5408\u4e8e\u7279\u5b9a\u63a7\u5236\u5668\u6216\u65b9\u6cd5\u7684\u8de8\u57df\u914d\u7f6e\u3002<\/li>\n\n\n\n
            • \u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/strong>: \u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u8de8\u57df\u5904\u7406\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
              \u8f6c\u8f7d\uff1aSpringBoot \u5982\u4f55\u89e3\u51b3\u8de8\u57df\u95ee\u9898? \u8de8\u57df\u95ee\u9898\u662fWeb\u5f00\u53d1\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\uff0c\u7279\u522b\u662f\u5728\u524d\u540e\u7aef\u5206\u79bb\u7684\u9879\u76ee […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,27],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16481"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16481"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16481\/revisions"}],"predecessor-version":[{"id":16482,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16481\/revisions\/16482"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}