{"id":39012,"date":"2024-11-26T09:27:28","date_gmt":"2024-11-26T01:27:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39012\/"},"modified":"2024-11-26T09:27:28","modified_gmt":"2024-11-26T01:27:28","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e6%8d%ae%e4%bf%9d%e5%ad%98%e4%b8%8b%e6%9d%a5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39012\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u628a\u6570\u636e\u4fdd\u5b58\u4e0b\u6765"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u6570\u636e\u4fdd\u5b58\u65b9\u5f0f\u6709\uff1ajava \u5e8f\u5217\u5316json \u5e8f\u5217\u5316\u6570\u636e\u5e93\u6587\u4ef6\u7cfb\u7edf\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111521370638655.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u628a\u6570\u636e\u4fdd\u5b58\u4e0b\u6765\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u628a\u6570\u636e\u4fdd\u5b58\u4e0b\u6765\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4fdd\u5b58 Java \u6570\u7ec4\u7684\u6570\u636e<\/strong><\/p>\n<p>Java \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u5bf9\u4e8e\u6301\u4e45\u5b58\u50a8\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u6570\u636e\u4fdd\u5b58\u4e0b\u6765\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 Java \u5e8f\u5217\u5316<\/strong><\/p>\n<p>\u5e8f\u5217\u5316\u662f\u5c06 Java \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\u4ee5\u4fbf\u5b58\u50a8\u7684\u8fc7\u7a0b\u3002Java \u6570\u7ec4\u53ef\u4ee5\u5b9e\u73b0 java.io.Serializable \u63a5\u53e3\u4ee5\u542f\u7528\u5e8f\u5217\u5316\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>import java.io.FileOutputStream;\nimport java.io.ObjectOutputStream;\n\n\/\/ \u5047\u8bbe intArray \u662f int \u7c7b\u578b\u7684\u6570\u7ec4\ntry (FileOutputStream fileOut = new FileOutputStream(\"array.ser\");\n    ObjectOutputStream out = new ObjectOutputStream(fileOut)) {\n    out.writeObject(intArray);\n} catch (IOException e) {\n    e.printStackTrace();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 JSON \u5e8f\u5217\u5316<\/strong><\/p>\n<p>JSON (JavaScript Object Notation) \u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u3002Java \u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff08\u5982 Gson\uff09\u8f6c\u6362\u4e3a JSON \u5b57\u7b26\u4e32\u3002<\/p>\n<pre>import com.google.gson.Gson;\n\n\/\/ \u5047\u8bbe intArray \u662f int \u7c7b\u578b\u7684\u6570\u7ec4\nGson gson = new Gson();\nString json = gson.toJson(intArray);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u6570\u636e\u5e93<\/strong><\/p>\n<p>\u6570\u636e\u5e93\u662f\u5b58\u50a8\u548c\u7ba1\u7406\u6570\u636e\u7684\u6301\u4e45\u5316\u7cfb\u7edf\u3002\u53ef\u4ee5\u901a\u8fc7 JDBC \u6216\u5176\u4ed6\u6846\u67b6\u5c06\u6570\u7ec4\u6570\u636e\u63d2\u5165\u5230\u6570\u636e\u5e93\u8868\u4e2d\u3002<\/p>\n<pre>import java.sql.DriverManager;\nimport java.sql.Connection;\nimport java.sql.Statement;\n\n\/\/ \u5047\u8bbe intArray \u662f int \u7c7b\u578b\u7684\u6570\u7ec4\ntry (Connection conn = DriverManager.getConnection(url, user, password);\n    Statement stmt = conn.createStatement()) {\n\n    \/\/ \u6839\u636e\u6570\u636e\u5e93\u7c7b\u578b\u9009\u62e9\u63d2\u5165\u8bed\u53e5\n    StringBuilder sql = new StringBuilder(\"INSERT INTO table_name (column_name) VALUES \");\n    for (int element : intArray) {\n        sql.append(\"(\").append(element).append(\"),\");\n    }\n    \/\/ \u79fb\u9664\u6700\u540e\u4e00\u4e2a\u9017\u53f7\n    sql.deleteCharAt(sql.length() - 1);\n\n    stmt.executeUpdate(sql.toString());\n} catch (SQLException e) {\n    e.printStackTrace();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf<\/strong><\/p>\n<p>\u5982\u679c\u6570\u7ec4\u6570\u636e\u91cf\u8f83\u5c0f\uff0c\u53ef\u4ee5\u5c06\u6570\u7ec4\u5199\u5165\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u7136\u540e\u5728\u9700\u8981\u65f6\u8bfb\u53d6\u5b83\u3002<\/p>\n<pre>import java.io.FileWriter;\n\n\/\/ \u5047\u8bbe intArray \u662f int \u7c7b\u578b\u7684\u6570\u7ec4\ntry (FileWriter writer = new FileWriter(\"array.txt\")) {\n    for (int element : intArray) {\n        writer.write(String.valueOf(element) + \"\n\");\n    }\n} catch (IOException e) {\n    e.printStackTrace();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u628a\u6570\u636e\u4fdd\u5b58\u4e0b\u6765\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u6570\u7ec4\u6570\u636e\u4fdd\u5b58\u65b9\u5f0f\u6709\uff1ajava \u5e8f\u5217\u5316json \u5e8f\u5217\u5316\u6570\u636e\u5e93\u6587\u4ef6\u7cfb\u7edf \u5982\u4f55\u4fdd\u5b58 Java \u6570\u7ec4\u7684\u6570\u636e Java \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u5bf9\u4e8e\u6301\u4e45\u5b58\u50a8\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u6570\u636e\u4fdd\u5b58\u4e0b\u6765\uff1a 1. \u4f7f\u7528 Java \u5e8f\u5217\u5316 \u5e8f\u5217\u5316\u662f\u5c06 Java \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\u4ee5\u4fbf\u5b58\u50a8\u7684\u8fc7\u7a0b\u3002Java \u6570\u7ec4\u53ef\u4ee5\u5b9e\u73b0 java.io.Serializable \u63a5\u53e3\u4ee5\u542f\u7528\u5e8f\u5217\u5316\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b import java.io.FileOutputStream; import java.io.ObjectOutputStream; \/\/ \u5047\u8bbe intArray \u662f int \u7c7b\u578b\u7684\u6570\u7ec4 try (FileOutputStream fileOut = new FileOutputStream(&#8220;array.ser&#8221;); ObjectOutputStream out = new ObjectOutputStream(fileOut)) { out.writeObject(intArray); } catch (IOException e) { e.printStackTrace(); } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 JSON \u5e8f\u5217\u5316 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-39012","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=39012"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39012\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}