{"id":203747,"date":"2025-05-22T14:02:12","date_gmt":"2025-05-22T06:02:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203747\/"},"modified":"2025-05-22T14:02:12","modified_gmt":"2025-05-22T06:02:12","slug":"java%e4%b8%adprintwriter%e7%9a%84write%e5%92%8cprint%e6%96%b9%e6%b3%95%e6%9c%89%e4%bd%95%e5%8c%ba%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203747\/","title":{"rendered":"Java\u4e2dPrintWriter\u7684write\u548cprint\u65b9\u6cd5\u6709\u4f55\u533a\u522b\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u4e2dPrintWriter\u7684write\u548cprint\u65b9\u6cd5\u6709\u4f55\u533a\u522b\uff1f<\/h1>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u4e2dPrintWriter\u7684write\u548cprint\u65b9\u6cd5\u6709\u4f55\u533a\u522b\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241121\/1732172474673edaba33260.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>java\u4e2dprintwriter\u7684write\u548cprint\u65b9\u6cd5\u7684\u533a\u522b<\/strong><\/p>\n<p>printwriter\u7c7b\u4e2d\u7684write\u65b9\u6cd5\u548cprint\u65b9\u6cd5\u90fd\u7528\u4e8e\u5411response\u5bf9\u8c61\u5199\u5165\u5b57\u7b26\u6570\u636e\u3002\u4f46\u8fd9\u4e24\u8005\u4e4b\u95f4\u5b58\u5728\u4e00\u4e9b\u5173\u952e\u533a\u522b\u3002<\/p>\n<p><strong>\u65b9\u6cd5\u7b7e\u540d<\/strong><\/p>\n<ul>\n<li>write(char[])\uff1a\u5c06char\u6570\u7ec4\u5199\u5165response\u5bf9\u8c61\u3002<\/li>\n<li>print(char[])\uff1a\u5c06char\u6570\u7ec4\u5199\u5165response\u5bf9\u8c61\uff0c\u5e76\u81ea\u52a8\u9644\u52a0\u6362\u884c\u7b26\u3002<\/li>\n<\/ul>\n<p><strong>\u884c\u4e3a<\/strong><\/p>\n<ul>\n<li><strong>write\u65b9\u6cd5\uff1a<\/strong> \u76f4\u63a5\u5c06\u5b57\u7b26\u6570\u7ec4\u5199\u5165response\u5bf9\u8c61\uff0c\u4e0d\u6dfb\u52a0\u4efb\u4f55\u9644\u52a0\u7684\u6362\u884c\u7b26\u3002<\/li>\n<li><strong>print\u65b9\u6cd5\uff1a<\/strong> \u5c06\u6362\u884c\u7b26\u9644\u52a0\u5230\u5b57\u7b26\u6570\u7ec4\u7684\u672b\u5c3e\uff0c\u7136\u540e\u518d\u5199\u5165response\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>\u6027\u80fd<\/strong><\/p>\n<ul>\n<li>write\u65b9\u6cd5\u901a\u5e38\u6bd4print\u65b9\u6cd5\u6027\u80fd\u66f4\u597d\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u9644\u52a0\u6362\u884c\u7b26\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u60a8\u9700\u8981\u5728response\u5bf9\u8c61\u4e2d\u5199\u5165\u6587\u672c\u6216\u5b57\u7b26\uff0c\u540c\u65f6\u4e0d\u6dfb\u52a0\u989d\u5916\u7684\u6362\u884c\u7b26\uff0c\u5219\u4f7f\u7528write\u65b9\u6cd5\u3002<\/li>\n<li>\u5982\u679c\u60a8\u9700\u8981\u5728response\u5bf9\u8c61\u4e2d\u5199\u5165\u6587\u672c\u6216\u5b57\u7b26\uff0c\u5e76\u5e0c\u671b\u9644\u52a0\u6362\u884c\u7b26\uff0c\u5219\u4f7f\u7528print\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p><strong>\u6e90\u7801\u5206\u6790<\/strong><\/p>\n<p>\u6df1\u5165\u5206\u6790\u6e90\u7801\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7406\u89e3\u8fd9\u4e24\u8005\u4e4b\u95f4\u7684\u533a\u522b\uff1a<\/p>\n<pre>public void write(char[] buf) {\n    synchronized (lock) {\n        ensureOpen();\n        out.write(buf, 0, buf.length);\n    }\n}\n\npublic void print(char[] s) {\n    synchronized (lock) {\n        ensureOpen();\n        out.println(s);\n    }\n}<\/pre>\n<p>\u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0cwrite\u65b9\u6cd5\u76f4\u63a5\u8c03\u7528\u6d41\u7684write\u65b9\u6cd5\uff0c\u800cprint\u65b9\u6cd5\u9996\u5148\u8c03\u7528println\u65b9\u6cd5\uff0c\u5176\u4e2d\u81ea\u52a8\u9644\u52a0\u4e86\u6362\u884c\u7b26\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aJava\u4e2dPrintWriter\u7684write\u548cprint\u65b9\u6cd5\u6709\u4f55\u533a\u522b\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u4e2dPrintWriter&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203747","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203747","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=203747"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203747\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}