{"id":58413,"date":"2024-10-12T20:29:18","date_gmt":"2024-10-12T12:29:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58413\/"},"modified":"2024-10-12T20:29:18","modified_gmt":"2024-10-12T12:29:18","slug":"android%e5%ae%a2%e6%88%b6%e7%ab%af%e6%9c%8d%e5%8b%99%e7%ab%af%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bb%a3%e7%a2%bc%e5%b1%95%e7%a4%ba-%e5%ae%89%e5%8d%93%e5%ae%a2%e6%88%b6%e7%ab%af%e6%9c%8d%e5%8b%99%e7%ab%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58413\/","title":{"rendered":"Android\u5ba2\u6236\u7aef\u670d\u52d9\u7aef\u6578\u64da\u5eab\u4ee3\u78bc\u5c55\u793a (\u5b89\u5353\u5ba2\u6236\u7aef\u670d\u52d9\u7aef\u6578\u64da\u5eab\u6e90\u78bc\u5be6\u4f8b)"},"content":{"rendered":"

Android\u5ba2\u6236\u7aef\u670d\u52d9\u7aef\u6578\u64da\u5eab\u4ee3\u78bc\u5c55\u793a (\u5b89\u5353\u5ba2\u6236\u7aef\u670d\u52d9\u7aef\u6578\u64da\u5eab\u6e90\u78bc\u5be6\u4f8b)<\/h1>\n

\u5728\u7576\u4eca\u7684\u79fb\u52d5\u61c9\u7528\u958b\u767c\u4e2d\uff0cAndroid\u5ba2\u6236\u7aef\u8207\u670d\u52d9\u7aef\u7684\u6578\u64da\u5eab\u4ea4\u4e92\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Android\u5ba2\u6236\u7aef\u4e2d\u5be6\u73fe\u8207\u670d\u52d9\u7aef\u6578\u64da\u5eab\u7684\u4ea4\u4e92\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u4ee3\u78bc\u793a\u4f8b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n

1. \u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u3002\u5728\u79fb\u52d5\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u662f\u672c\u5730\u7684\uff08\u5982SQLite\uff09\u6216\u9060\u7a0b\u7684\uff08\u5982MySQL\u3001PostgreSQL\u7b49\uff09\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u91cd\u9ede\u95dc\u6ce8\u5982\u4f55\u901a\u904eAPI\u8207\u9060\u7a0b\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n

2. \u8a2d\u8a08\u670d\u52d9\u7aefAPI<\/h2>\n

\u5728\u958b\u59cb\u7de8\u5bebAndroid\u5ba2\u6236\u7aef\u4ee3\u78bc\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u670d\u52d9\u7aefAPI\u3002\u9019\u500bAPI\u5c07\u8ca0\u8cac\u8655\u7406\u5ba2\u6236\u7aef\u7684\u8acb\u6c42\u4e26\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684RESTful API\u793a\u4f8b\uff0c\u4f7f\u7528Node.js\u548cExpress\u6846\u67b6\u4f86\u5be6\u73fe\uff1a<\/p>\n

const express = require('express');\nconst mysql = require('mysql');\nconst app = express();\nconst port = 3000;\n\nconst db = mysql.createConnection({\n    host: 'localhost',\n    user: 'root',\n    password: 'password',\n    database: 'mydb'\n});\n\ndb.connect(err => {\n    if (err) throw err;\n    console.log('Database connected!');\n});\n\napp.get('\/api\/users', (req, res) => {\n    db.query('SELECT * FROM users', (err, results) => {\n        if (err) throw err;\n        res.json(results);\n    });\n});\n\napp.listen(port, () => {\n    console.log(`Server running at http:\/\/localhost:${port}`);\n});<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500b\u7c21\u55ae\u7684API\uff0c\u7576\u5ba2\u6236\u7aef\u8acb\u6c42`\/api\/users`\u6642\uff0c\u670d\u52d9\u7aef\u5c07\u8fd4\u56de\u7528\u6236\u6578\u64da\u3002<\/p>\n
3. Android\u5ba2\u6236\u7aef\u5be6\u73fe<\/h2>\n
\u5728Android\u5ba2\u6236\u7aef\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Retrofit\u5eab\u4f86\u7c21\u5316HTTP\u8acb\u6c42\u7684\u904e\u7a0b\u3002\u9996\u5148\uff0c\u6dfb\u52a0Retrofit\u4f9d\u8cf4\u5230\u4f60\u7684`build.gradle`\u6587\u4ef6\uff1a<\/p>\n
implementation 'com.squareup.retrofit2:retrofit:2.9.0'\nimplementation 'com.squareup.retrofit2:converter-gson:2.9.0'<\/code><\/pre>\n
\u63a5\u4e0b\u4f86\uff0c\u5275\u5efa\u4e00\u500bAPI\u63a5\u53e3\uff1a<\/p>\n
public interface ApiService {\n    @GET(\"api\/users\")\n    Call<List> getUsers();\n}<\/code><\/pre>\n
\u7136\u5f8c\uff0c\u5275\u5efaRetrofit\u5be6\u4f8b\u4e26\u767c\u9001\u8acb\u6c42\uff1a<\/p>\n
Retrofit retrofit = new Retrofit.Builder()\n        .baseUrl(\"http:\/\/yourserver.com\/\")\n        .addConverterFactory(GsonConverterFactory.create())\n        .build();\n\nApiService apiService = retrofit.create(ApiService.class);\nCall<List> call = apiService.getUsers();\ncall.enqueue(new Callback<List>() {\n    @Override\n    public void onResponse(Call<List> call, Response<List> response) {\n        if (response.isSuccessful()) {\n            List users = response.body();\n            \/\/ \u8655\u7406\u7528\u6236\u6578\u64da\n        }\n    }\n\n    @Override\n    public void onFailure(Call<List> call, Throwable t) {\n        \/\/ \u8655\u7406\u932f\u8aa4\n    }\n});<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Retrofit\u5f9e\u670d\u52d9\u7aef\u7372\u53d6\u7528\u6236\u6578\u64da\u3002\u7576\u8acb\u6c42\u6210\u529f\u6642\uff0c\u5c07\u8fd4\u56de\u7684\u7528\u6236\u6578\u64da\u5b58\u5132\u5728`users`\u5217\u8868\u4e2d\u3002<\/p>\n
4. \u6578\u64da\u5eab\u64cd\u4f5c\u7684\u5b89\u5168\u6027<\/h2>\n
\u5728\u8a2d\u8a08\u670d\u52d9\u7aefAPI\u6642\uff0c\u5b89\u5168\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u61c9\u8a72\u8003\u616e\u4f7f\u7528\u8eab\u4efd\u9a57\u8b49\u548c\u6388\u6b0a\u6a5f\u5236\u4f86\u4fdd\u8b77\u6578\u64da\u3002\u5e38\u898b\u7684\u505a\u6cd5\u5305\u62ec\u4f7f\u7528JWT\uff08JSON Web Tokens\uff09\u4f86\u9a57\u8b49\u7528\u6236\u8eab\u4efd\uff0c\u4e26\u78ba\u4fddAPI\u50c5\u5c0d\u6388\u6b0a\u7528\u6236\u958b\u653e\u3002<\/p>\n
5. \u7e3d\u7d50<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728Android\u5ba2\u6236\u7aef\u4e2d\u5be6\u73fe\u8207\u670d\u52d9\u7aef\u6578\u64da\u5eab\u7684\u4ea4\u4e92\uff0c\u5f9e\u8a2d\u8a08API\u5230\u5be6\u73fe\u5ba2\u6236\u7aef\u4ee3\u78bc\uff0c\u63d0\u4f9b\u4e86\u8a73\u7d30\u7684\u6b65\u9a5f\u548c\u4ee3\u78bc\u793a\u4f8b\u3002\u9019\u4e9b\u77e5\u8b58\u5c0d\u65bc\u958b\u767c\u9ad8\u6548\u4e14\u5b89\u5168\u7684\u79fb\u52d5\u61c9\u7528\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5c55\u793a\u5b89\u5353\u5ba2\u6236\u7aef\u8207\u670d\u52d9\u7aef\u6578\u64da\u5eab\u7684\u6e90\u78bc\u5be6\u4f8b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u7406\u89e3\u548c\u5be6\u73fe\u6578\u64da\u4ea4\u4e92\u529f\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-58413","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=58413"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58413\/revisions"}],"predecessor-version":[{"id":58414,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58413\/revisions\/58414"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}