{"id":10006423,"date":"2022-09-08T08:13:13","date_gmt":"2022-09-08T00:13:13","guid":{"rendered":"https:\/\/ityet.com\/?p=10006423"},"modified":"2022-09-08T08:13:13","modified_gmt":"2022-09-08T00:13:13","slug":"%e9%9d%a2%e8%af%95%e7%aa%81%e5%87%bb81%ef%bc%9a%e4%bb%80%e4%b9%88%e6%98%af%e8%b7%a8%e5%9f%9f%e9%97%ae%e9%a2%98%ef%bc%9f%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006423","title":{"rendered":"\u9762\u8bd5\u7a81\u51fb81\uff1a\u4ec0\u4e48\u662f\u8de8\u57df\u95ee\u9898\uff1f\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"

\u8de8\u57df\u95ee\u9898\u6307\u7684\u662f\u4e0d\u540c\u7ad9\u70b9\u4e4b\u95f4\uff0c\u4f7f\u7528 ajax \u65e0\u6cd5\u76f8\u4e92\u8c03\u7528\u7684\u95ee\u9898\u3002\u8de8\u57df\u95ee\u9898\u672c\u8d28\u662f\u6d4f\u89c8\u5668\u7684\u4e00\u79cd\u4fdd\u62a4\u673a\u5236\uff0c\u5b83\u7684\u521d\u8877\u662f\u4e3a\u4e86\u4fdd\u8bc1\u7528\u6237\u7684\u5b89\u5168\uff0c\u9632\u6b62\u6076\u610f\u7f51\u7ad9\u7a83\u53d6\u6570\u636e\u3002<\/strong> \u4f46\u8fd9\u4e2a\u4fdd\u62a4\u673a\u5236\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u95ee\u9898\uff0c\u5b83\u7684\u95ee\u9898\u662f\u7ed9\u4e0d\u540c\u7ad9\u70b9\u4e4b\u95f4\u7684\u6b63\u5e38\u8c03\u7528\uff0c\u4e5f\u5e26\u6765\u7684\u963b\u788d\uff0c\u90a3\u600e\u4e48\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5462\uff1f\u63a5\u4e0b\u6765\u6211\u4eec\u4e00\u8d77\u6765\u770b\u3002<\/p>\n

1.\u8de8\u57df\u4e09\u79cd\u60c5\u51b5<\/h2>\n

\u5728\u8bf7\u6c42\u65f6\uff0c\u5982\u679c\u51fa\u73b0\u4e86\u4ee5\u4e0b\u60c5\u51b5\u4e2d\u7684\u4efb\u610f\u4e00\u79cd\uff0c\u90a3\u4e48\u5b83\u5c31\u662f\u8de8\u57df\u8bf7\u6c42\uff1a<\/p>\n

    \n
  1. \u534f\u8bae\u4e0d\u540c\uff0c\u5982 http \u548c https\uff1b<\/strong><\/li>\n
  2. \u57df\u540d\u4e0d\u540c\uff1b<\/strong><\/li>\n
  3. \u7aef\u53e3\u4e0d\u540c\u3002<\/strong><\/li>\n<\/ol>\n

    \u4e5f\u5c31\u662f\u8bf4\uff0c\u5373\u4f7f\u57df\u540d\u76f8\u540c\uff0c\u5982\u679c\u4e00\u4e2a\u4f7f\u7528\u7684\u662f http\uff0c\u53e6\u4e00\u4e2a\u4f7f\u7528\u7684\u662f https\uff0c\u90a3\u4e48\u5b83\u4eec\u4e5f\u5c5e\u4e8e\u8de8\u57df\u8bbf\u95ee<\/strong>\u3002\u5e38\u89c1\u7684\u8de8\u57df\u95ee\u9898\u5982\u4e0b\u56fe\u6240\u793a\uff1a
    \"image.png\"<\/p>\n

    2.\u8de8\u57df\u95ee\u9898\u6f14\u793a<\/h2>\n

    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528\u4e24\u4e2a Spring Boot \u9879\u76ee\u6765\u6f14\u793a\u8de8\u57df\u7684\u95ee\u9898\uff0c\u5176\u4e2d\u4e00\u4e2a\u662f\u7aef\u53e3\u53f7\u4e3a 8080 \u7684\u524d\u7aef\u9879\u76ee\uff0c\u53e6\u4e00\u4e2a\u7aef\u53e3\u53f7\u4e3a 9090 \u7684\u540e\u7aef\u63a5\u53e3\u9879\u76ee\u3002<\/p>\n

    2.1 \u524d\u7aef\u7f51\u7ad9<\/h3>\n

    \u524d\u7aef\u9879\u76ee\u53ea\u9700\u8981\u5728 resources \u4e0b\u653e\u4e24\u4e2a\u6587\u4ef6\uff0c\u4e00\u4e2a\u7528\u4e8e\u53d1\u9001 ajax \u8bf7\u6c42\u7684 jquery.js\uff0c\u53e6\u4e00\u4e2a\u662f html \u524d\u7aef\u9875\u9762\uff0c\u5de5\u7a0b\u76ee\u5f55\u5982\u4e0b\u56fe\u6240\u793a\uff1a
    \"image.png\"
    \u5176\u4e2d\u524d\u7aef\u9875\u9762 index.html \u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

    <!DOCTYPE html>\n<html lang="en">\n<head>\n    <meta charset="UTF-8">\n    <meta http-equiv="X-UA-Compatible" content="IE=edge">\n    <meta name="viewport" content="width=device-width, initial-scale=1.0">\n    <title>\u8de8\u57df\u6d4b\u8bd5\u9875\u9762<\/title>\n    <script src="js\/jquery.min.js"><\/script>\n<\/head>\n<body>\n<h1>\u8de8\u57df\u6d4b\u8bd5<\/h1>\n<div>\n    <input type="button" onclick="mySubmit()" value=" \u53d1\u9001\u8de8\u57df\u8bf7\u6c42 ">\n<\/div>\n<script>\n    function mySubmit() {\n        \/\/ \u53d1\u9001\u8de8\u57df\u8bf7\u6c42\n        jQuery.ajax({\n            url: "http:\/\/localhost:9090\/test",\n            type: "POST",\n            data: {"name": "Java"},\n            success: function (result) {\n                alert("\u8fd4\u56de\u6570\u636e\uff1a" + result.data);\n            }\n        });\n    }\n<\/script>\n<\/body>\n<\/html><\/code><\/pre>\n
    2.2 \u540e\u7aef\u63a5\u53e3<\/h3>\n
    \u540e\u7aef\u63a5\u53e3\u9879\u76ee\u9996\u5148\u5148\u5728 application.properties \u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u8bbe\u7f6e\u9879\u76ee\u7684\u7aef\u53e3\u53f7\u4e3a 9090\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
    server.port=9090<\/code><\/pre>\n
    \u7136\u540e\u521b\u5efa\u4e00\u4e2a\u540e\u7aef\u63a7\u5236\u5668\uff0c\u8fd4\u56de\u4e00\u4e2a JSON \u683c\u5f0f\u7684\u6570\u636e\uff0c\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    import org.springframework.web.bind.annotation.RequestMapping;\nimport org.springframework.web.bind.annotation.RestController;\nimport java.util.HashMap;\n\n@RestController\npublic class TestController {\n    @RequestMapping("\/test")\n    public HashMap<String, Object> test() {\n        return new HashMap<String, Object>() {{\n            put("state", 200);\n            put("data", "success");\n            put("msg", "");\n        }};\n    }\n}<\/code><\/pre>\n
    \u4ee5\u4e0a\u4e24\u4e2a\u9879\u76ee\u521b\u5efa\u5e76\u542f\u52a8\u6210\u529f\u4e4b\u540e\uff0c\u4f7f\u7528\u524d\u7aef\u9879\u76ee\u8bbf\u95ee\u540e\u7aef\u63a5\u53e3\uff0c\u56e0\u4e3a\u7aef\u53e3\u4e0d\u4e00\u6837\uff0c\u6240\u4ee5\u4e5f\u5c5e\u4e8e\u8de8\u57df\u8bbf\u95ee\uff0c\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
    \"image.png\"<\/p>\n
    3.\u89e3\u51b3\u8de8\u57df\u95ee\u9898<\/h2>\n
    \u5728 Spring  Boot \u4e2d\u8de8\u57df\u95ee\u9898\u6709\u5f88\u591a\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u6bd4\u5982\u4ee5\u4e0b 5 \u4e2a\uff1a<\/p>\n
      \n
    1. \u4f7f\u7528 @CrossOrigin \u6ce8\u89e3\u5b9e\u73b0\u8de8\u57df\uff1b<\/strong><\/li>\n
    2. \u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u5b9e\u73b0\u8de8\u57df\uff1b<\/strong><\/li>\n
    3. \u901a\u8fc7 CorsFilter \u5bf9\u8c61\u5b9e\u73b0\u8de8\u57df\uff1b<\/strong><\/li>\n
    4. \u901a\u8fc7 Response \u5bf9\u8c61\u5b9e\u73b0\u8de8\u57df\uff1b<\/strong><\/li>\n
    5. \u901a\u8fc7\u5b9e\u73b0 ResponseBodyAdvice \u5b9e\u73b0\u8de8\u57df\u3002<\/strong><\/li>\n<\/ol>\n
      \u5f53\u7136\u5982\u679c\u4f60\u613f\u610f\u7684\u8bdd\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8fc7\u6ee4\u5668\u6765\u5b9e\u73b0\u8de8\u57df\uff0c\u4f46\u5b83\u7684\u5b9e\u73b0\u548c\u7b2c 5 \u79cd\u5b9e\u73b0\u7c7b\u4f3c\uff0c\u6240\u4ee5\u672c\u6587\u5c31\u4e0d\u8d58\u8ff0\u4e86\u3002<\/p>\n
      3.1 \u901a\u8fc7\u6ce8\u89e3\u8de8\u57df<\/h3>\n
      \u4f7f\u7528 @CrossOrigin \u6ce8\u89e3\u53ef\u4ee5\u8f7b\u677e\u7684\u5b9e\u73b0\u8de8\u57df\uff0c\u6b64\u6ce8\u89e3\u65e2\u53ef\u4ee5\u4fee\u9970\u7c7b\uff0c\u4e5f\u53ef\u4ee5\u4fee\u9970\u65b9\u6cd5\u3002\u5f53\u4fee\u9970\u7c7b\u65f6\uff0c\u8868\u793a\u6b64\u7c7b\u4e2d\u7684\u6240\u6709\u63a5\u53e3\u90fd\u53ef\u4ee5\u8de8\u57df\uff1b\u5f53\u4fee\u9970\u65b9\u6cd5\u65f6\uff0c\u8868\u793a\u6b64\u65b9\u6cd5\u53ef\u4ee5\u8de8\u57df<\/strong>\uff0c\u5b83\u7684\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n
      import org.springframework.web.bind.annotation.CrossOrigin;\nimport org.springframework.web.bind.annotation.RequestMapping;\nimport org.springframework.web.bind.annotation.RestController;\nimport java.util.HashMap;\n\n@RestController\n@CrossOrigin(origins = "*")\npublic class TestController {\n    @RequestMapping("\/test")\n    public HashMap<String, Object> test() {\n        return new HashMap<String, Object>() {{\n            put("state", 200);\n            put("data", "success");\n            put("msg", "");\n        }};\n    }\n}<\/code><\/pre>\n
      \u4ee5\u4e0a\u4ee3\u7801\u7684\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
      \"image.png\"
      \u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u524d\u7aef\u9879\u76ee\u8bbf\u95ee\u53e6\u4e00\u4e2a\u540e\u7aef\u9879\u76ee\u6210\u529f\u4e86\uff0c\u4e5f\u5c31\u8bf4\u660e\u5b83\u89e3\u51b3\u4e86\u8de8\u57df\u95ee\u9898\u3002
      \u4f18\u7f3a\u70b9\u5206\u6790<\/strong>
      \u6b64\u65b9\u5f0f\u867d\u7136\u867d\u7136\u5b9e\u73b0\uff08\u8de8\u57df\uff09\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u7ec6\u5fc3\u7684\u670b\u53cb\u4e5f\u80fd\u53d1\u73b0\uff0c\u4f7f\u7528\u6b64\u65b9\u5f0f\u53ea\u80fd\u5b9e\u73b0\u5c40\u90e8\u8de8\u57df\uff0c\u5f53\u4e00\u4e2a\u9879\u76ee\u4e2d\u5b58\u5728\u591a\u4e2a\u7c7b\u7684\u8bdd\uff0c\u4f7f\u7528\u6b64\u65b9\u5f0f\u5c31\u4f1a\u6bd4\u8f83\u9ebb\u70e6\uff08\u9700\u8981\u7ed9\u6240\u6709\u7c7b\u4e0a\u90fd\u6dfb\u52a0\u6b64\u6ce8\u89e3\uff09\u3002<\/strong><\/p>\n
      3.2 \u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u8de8\u57df<\/h3>\n
      \u63a5\u4e0b\u6765\u6211\u4eec\u901a\u8fc7\u8bbe\u7f6e\u914d\u7f6e\u6587\u4ef6\u7684\u65b9\u5f0f\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5168\u5c40\u8de8\u57df<\/strong>\u4e86\uff0c\u5b83\u7684\u5b9e\u73b0\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n