{"id":285362,"date":"2023-10-20T04:00:48","date_gmt":"2023-10-19T20:00:48","guid":{"rendered":"https:\/\/lrxjmw.cn\/jylhxdhzxsdj.html"},"modified":"2023-10-20T04:00:48","modified_gmt":"2023-10-19T20:00:48","slug":"jylhxdhzxsdj","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/jylhxdhzxsdj.html","title":{"rendered":"\u57fa\u4e8eLinux\u6838\u5fc3\u7684\u6c49\u5b57\u663e\u793a\u7684\u6280\u672f\u7ec6\u8282\u4e4b\u539f\u6709Linux\u7684\u5de5\u4f5c\u673a\u5236"},"content":{"rendered":"<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>\u5728\u63a2\u8ba8\u201c\u57fa\u4e8e<a style='color:#0000CC;font-size:16px' href='https:\/\/lrxjmw.cn\/' target='_blank' rel=\"noopener\">Linux<\/a>\u6838\u5fc3\u7684\u6c49\u5b57\u663e\u793a\u201d\u7684\u6280\u672f\u7ec6\u8282\u4e4b\u524d\uff0c\u6709\u5fc5\u8981\u4ecb\u7ecd\u4e00\u4e0b\u539f\u6709Linux\u7684\u5de5\u4f5c\u673a\u5236\u3002\u8fd9\u513f\u4e3b\u8981\u6d89\u53ca\u5230\u4e24\u90e8\u4efd\u7684\u77e5\u8bc6\uff0c\u8fd9\u662fLinux\u4e0b\u7ec8\u7aef\u548c\u5e27\u7f13\u51b2\u7684\u5b9e\u73b0\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u63a7\u5236\u53f0\uff08console\uff09<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u4e00\u822c\u6211\u4eec\u5728Linux\u4e0b\u770b\u89c1\u7684\u63a7\u5236\u53f0\uff08console\uff09\u662f\u7531\u51e0\u4e2a\u8bbe\u5907\u6784\u6210\u7684\u3002\u5206\u522b\u662f\/dev\/ttyN\uff08\u5176\u4e2dtty0\u5c31\u662f\/dev\/console\uff0ctty1\u3001tty2\u5c31\u662f\u4e0d\u540c\u7684\u865a\u62df\u7ec8\u7aef\uff08virtualconsole\uff09\uff09\u3002\u4e00\u822c\u4f7f\u7528\u952e\u4f4dAlt+Fn\u6765\u5728\u8fd9\u79cd\u865a\u62df\u7ec8\u7aef\u4e4b\u95f4\u8fdb\u884c\u5207\u6362\u3002\u8fd9\u79cdtty\u8bbe\u5907\u5bf9\u5e94\u4e8elinux\/drivers\/char\/console.c\u548clvt.c\u3002\u5176\u4e2dconsole.c\u8d1f\u8d23\u52fe\u753b\u5c4f\u5e55\u4e0a\u7684\u5b57\u7b26\uff0cvt.c\u8d1f\u8d23\u7ba1\u7406\u4e0d\u540c\u7684\u865a\u62df\u7ec8\u7aef\uff0c\u4f46\u662f\u8d1f\u8d23\u63d0\u4f9bconsole.c\u987b\u8981\u52fe\u753b\u7684\u5185\u5bb9\u3002Vt.c\u628a\u4e0d\u540c\u865a\u62df\u7ec8\u7aef\u4e0b\u7684\u987b\u8981\u4ea4\u7ed9console.c\u52fe\u753b\u7684\u5185\u5bb9\uff0c\u653e\u5728\u4e0d\u540c\u7684\u7f13\u5b58\u4e2d\u53bb\u3002Vt.c\u7ba1\u7406\u8005\u8fd9\u6837\u4e00\u4e2a\u7f13\u51b2\u533a\u7684\u5b57\u6bb5\uff0c\u800c\u4e14\u8d1f\u8d23\u5728\u8fd9\u79cd\u7f13\u5b58\u4e4b\u95f4\u5207\u6362\uff0c\u5e76\u6307\u5b9a\u54ea\u4e00\u4e2a\u7f13\u51b2\u533a\u662f\u88ab\u6fc0\u6d3b\u7684\u3002\u4f60\u6240\u770b\u89c1\u7684\u865a\u62df\u7ec8\u7aef\u5c31\u5bf9\u5e94\u7740\u88ab\u6fc0\u6d3b\u7684\u7f13\u51b2\u533a\u3002Console.c\u540c\u65f6\u4e5f\u8d1f\u8d23\u63a5\u6536\u7ec8\u7aef\u7684\u8f93\u5165\uff0c\u4e4b\u540e\u628a\u63a5\u6536\u5230\u7684\u8f93\u5165\u7684\u4fe1\u606f\u653e\u5728\u7f13\u51b2\u533a\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5e27\u7f13\u51b2\uff08framebuffer\uff09<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%AFramebuffer\u662f\u628a\u5185\u5b58\u5177\u8c61\u540e\u7684\u4e00\u4e2a\u79cd\u8bbe\u5907\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u8bbe\u5907\u7684\u8bfb\u5199\u76f4\u63a5\u5bf9\u5185\u5b58\u8fdb\u884c\u64cd\u4f5c\u3002\u8fd9\u4e9b\u64cd\u4f5c\u662f\u5177\u8c61\u7684\u3001\u7edf\u4e00\u7684\u3002\u7528\u6237\u6bcb\u987b\u5173\u5fc3\u5316\u5b66\u5185\u5b58\u7684\u4f4d\u7f6e\u3001\u6362\u9875\u673a\u5236\u7b49\u7b49\u5177\u4f53\u7ec6\u8282\uff0c\u8fd9\u79cd\u90fd\u662f\u7531Framebuffer\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u6765\u5b8c\u6210\u7684\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%AFramebuffer\u5bf9\u5e94\u7684\u6e90\u6587\u4ef6\u5728linux\/drivers\/video\/\u76ee\u5f55\u4e0b\u3002\u603b\u7684\u5177\u8c61\u8bbe\u5907\u6587\u4f5c\u4e3afbcon.c\uff0c\u5728\u8fd9\u4e2a\u76ee\u5f55\u4e0b\u8fd8\u6709\u4e0e\u5404\u7c7b\u4e3b\u677f\u9a71\u52a8\u7a0b\u5e8f\u76f8\u5173\u7684\u6e90\u6587\u4ef6\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5728\u4f7f\u7528\u5e27\u7f13\u51b2\u65f6\uff0cLinux\u662f\u5c06\u4e3b\u677f\u653e\u5728\u56fe\u5f62\u6a21\u5f0f\u4e0b\u7684\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u6211\u4eec\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u53cd\u4f8b\u6765\u8bf4\u660e\u5b57\u7b26\u663e\u793a\u7684\u8fc7\u7a0b\u3002\u6211\u4eec\u5047\u5b9a\u662f\u5728\u865a\u62df\u7ec8\u7aef1\uff08\/dev\/tty1\uff09\u4e0b\u8fc1\u884c\u5982\u4e0b\u7684\u7b80\u5355\u7a0b\u5e8f\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Amain()<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A{<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Auts(\u201dhello\uff0cworld.\\n\u201d)\uff1b<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A}<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Auts\u51fd\u6570\u5411\u7f3a\u7701\u8f93\u51fa\u6587\u4ef6\uff08\/dev\/tty\uff09\u53d1\u51fa\u201c\u5199\u201d\u7684<a style='color:#0000CC;font-size:16px' href='https:\/\/www.linuxdown.com\/' target='_blank' rel=\"noopener\">\u7cfb\u7edf<\/a>\u8c03\u7528write(2)\u3002\u7cfb\u7edf\u8c03\u7528\u5230Linux\u6838\u5fc3\u5bf9\u5e94\u7684\u6838\u5fc3\u51fd\u6570-&gt;\u2015\u2015console.c\u4e2d\u7684con_write(),con_write()\u6700\u7ec8\u4f1a\u8c03\u7528do_con_write()\uff0c\u5728do_con_write()\u4e2d\u8d1f\u8d23\u628a\u201dhello\uff0cworld.\\n\u201d\u8fd9\u4e2a\u5b57\u7b26\u4e32\u653e\u5728tty1\u5bf9\u5e94\u7684\u7f13\u51b2\u533a\u4e2d\u53bb\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%ADo_con_write()\u8fd8\u8d1f\u8d23\u5904\u7406\u63a7\u5236\u5b57\u7b26\u548c\u5149\u6807\u7684\u4f4d\u7f6e\u3002\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0bdo_con-write()\u8fd9\u4e2a\u51fd\u6570\u7684\u7533\u660e\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%AStaticintdo_con_write(struct<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'><img style='max-height:500px;max-width:80%;margin: 10px auto' src='https:\/\/lrxjmw.cn\/wp-content\/uploads\/2023\/10\/1697745647980_0.jpg' alt='\u5185\u6838\u53c2\u6570\u4fee\u6539_linux\u4fee\u6539\u5185\u6838\u53c2\u6570\u751f\u6548_linux\u4fee\u6539\u5185\u6838\u53c2\u6570' \/><\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%ATty_struct*tty,int<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Afrom_user,constunsigned<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Achar*buf,intcount)<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5176\u4e2dtty\u662f\u6307\u5411tty_struct\u7ed3\u6784\u7684\u8868\u9488\uff0c\u8fd9\u4e2a\u7ed3\u6784\u91cc\u50a8\u5b58\u7740\u5173\u4e8e\u8fd9\u4e2atty\u7684\u6240\u6709\u4fe1\u606f\uff08\u8bf7\u53c2\u7167linux\/include\/linux\/tty.h\uff09\u3002tty_srtuct\u7ed3\u6784\u4e2d\u5b9a\u4e49\u4e86\u901a\u7528\uff08\u6216\u9ad8\u5c42\uff09tty\u7684\u5c5e\u6027\uff08\u6bd4\u5982\u957f\u5ea6\u548c\u9ad8\u5ea6\u7b49\uff09\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5728do_con_write\uff08\uff09\u51fd\u6570\u4e2d\u7528\u5230\u4e86tty_struct\u7ed3\u6784\u4e2d\u7684driver_data\u53d8\u91cf\u3002Driver_data\u662f\u4e00\u4e2avt_vt_stuct\u8868\u9488\u3002\u5728vt_struct\u7ed3\u6784\u4e2d\u5305\u542b\u8fd9\u4e2atty\u7684\u5e8f\u5217\u53f7\uff08\u6211\u4eec\u6b63\u4f7f\u7528tty1\uff0c\u6240\u4ee5\u8fd9\u4e2a\u5e8f\u53f7\u4e3a1\uff09\u3002Vt_struct\u7ed3\u6784\u4e2d\u6709\u4e00\u4e2avc\u7ed3\u6784\u7684\u94fe\u8868vc_cons\uff0c\u8fd9\u4e2a\u5b57\u6bb5\u5c31\u662f\u5404\u865a\u62df\u7ec8\u7aef\u7684\u79c1\u6709\u6570\u636e\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%AStaticintdo_write(struct<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%ATty_struct*tty,int<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%AFrom_user,constunsignedchar<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A*buf,intconut)<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A{<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Atructvt_struct*vt=(struct<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Avt_struct*)tty_&gt;driver_data;<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\/\/\u6211\u4eec\u7528\u5230\u4e86driver_data\u53d8\u91cf<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u2026\u2026\u2026\u2026<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Acurrcons=vt-&gt;_num;<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\/\/\u5728\u8fd9\u513f\u7684vc_nums\u5c31\u662f1<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u2026\u2026\u2026\u2026<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A}<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u8981\u8bbf\u95ee\u865a\u62df\u7ec8\u7aef\u7684\u79c1\u6709\u6570\u636e\uff0c\u9700\u4f7f\u7528vc_cons[currcons].d\u8868\u9488\u3002\u8fd9\u4e2a\u8868\u9488\u6307\u5411\u7684\u7ed3\u6784\u5bcc\u542b\u5f53\u524d\u865a\u62df\u7ec8\u7aef\u4e0a\u5149\u6807\u7684\u4f4d\u7f6e\uff0c\u7f13\u51b2\u533a\u7684\u8d77\u59cb\u5730\u5740\u3001\u7f13\u51b2\u533a\u5927\u5c0f\u7b49\u4fe1\u606f\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u201chello,world.\\n\u201d\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\u90fd\u8981\u7ecf\u8fc7conv_uni_to_pc()\u8fd9\u4e2a\u51fd\u6570\u8f6c\u6362\u62108\u4f4d\u7684\u663e\u793a\u5b57\u7b26\u3002\u8fd9\u6837\u505a\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4f7f\u4e0d\u540c\u8bed\u8a00\u7684\u56fd\u5bb6\u80fd\u628a16\u4f4d\u7684Unicode\u7801\u6620\u5c04\u52308\u4f4d\u7684\u663e\u793a\u5b57\u7b26\u96c6\u91cc\uff0c\u76ee\u524d\u4e3b\u8981\u8fd8\u662f\u9488\u5bf9\u4e9a\u6d32\u56fd\u5bb6\u7684\u8bed\u8a00\uff0c\u6620\u5c04\u7ed3\u679c\u4e3a8\u4f4d\uff0c\u4e0d\u5305\u542b\u53cc\u5b57\u8282(doublebyte)\u7684\u8303\u56f4\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u8fd9\u4e9b\u4eceUnicode\u5230\u663e\u793a\u5b57\u7b26\u7684\u6620\u5c04\u8868\u4e0a\uff0c\u4f1a\u628a\u82f1\u6587\u7684\u5b57\u7b26\u6620\u5c04\u5230\u5176\u4ed6\u7684\u5b57\u7b26\u4e0a\uff0c\u8fd9\u662f\u6211\u4eec\u4e0d\u5e0c\u671b\u89c1\u5230\u4e5f\u662f\u4e0d\u987b\u8981\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u6709\u4e24\u79cd\u9009\u62e9\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A1\uff09\u4e0d\u8fdb\u884cconv_uni_to_pc()\u7684\u8f6c\u6362<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A2\uff09\u52a0\u8f7d\u7b26\u5408\u53cc\u5b57\u8282\u5904\u7406\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u5373\u5bf9\u871a\u63a7\u5236\u5b57\u7b26\u8fdb\u884c\u4e00\u5bf9\u4e00\u7684\u4e0d\u53d8\u6620\u5c04\uff0c\u6211\u4eec\u81ea\u5df1\u8ba2\u5236\u7684\u7b26\u5408\u8fd9\u4e9b\u6620\u5c04\u5173\u7cfb\u7684Unicode\u7801\u8868\u662fdirect.uni\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u8981\u60f3\u770b\/\u88c5\u8f7d\u5f53\u524d\u7cfb\u7edf\u7684Unicode\u6620\u5c04\u8868\uff0c\u53ef\u4f7f\u7528\u5916\u90e8<a style='color:#0000CC;font-size:16px' href='https:\/\/www.linuxcool.com\/' target='_blank' rel=\"noopener\">\u547d\u4ee4<\/a>loadunimap\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u7ecf\u8fc7conv_uni_to_pc()\u8f6c\u6362\u4ee5\u540e\uff0c\u201dhello,world.\\n\u201d\u4e2d\u7684\u5b57\u7b26\u88ab\u4e00\u4e2a\u4e00\u4e2a\u5730\u586b\u5199\u5230tty\u7684\u7f13\u51b2\u533a\u4e2d\u5d4c\u5165\u5f0flinux\uff0c\u4e4b\u540edo_con_write()\u8c03\u7528\u5e95\u5c42\u7684\u9a71\u52a8\u7a0b\u5e8f\uff0c\u628a\u7f13\u51b2\u533a\u4e2d\u7684\u5185\u5bb9\u8f93\u51fa\u5230\u663e\u793a\u5668\u4e0a\uff08\u4e5f\u5c31\u76f8\u5f53\u4e8e\u628a\u7f13\u51b2\u533a\u7684\u5185\u5bb9\u62f7\u8d1d\u5230VGA\u5185\u5b58\u4e2d\u53bb\uff09<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Aw-&gt;conputcs(vc_cons[currcons].d,<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A(u16*)draw_from,(u16*)draw_to_<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'><img style='max-height:500px;max-width:80%;margin: 10px auto' src='https:\/\/lrxjmw.cn\/wp-content\/uploads\/2023\/10\/1697745647980_1.png' alt='linux\u4fee\u6539\u5185\u6838\u53c2\u6570_\u5185\u6838\u53c2\u6570\u4fee\u6539_linux\u4fee\u6539\u5185\u6838\u53c2\u6570\u751f\u6548' \/><\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A(u16*)draw_rwom,Y,draw_x);<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u4e4b\u6240\u4ee5\u8981\u8c03\u7528\u5e95\u5c42\u9a71\u52a8\u7a0b\u5e8f,\u662f\u7531\u4e8e\u5b58\u5728\u4e0d\u540c\u7684\u663e\u793a\u8bbe\u5907,\u5176\u5bf9\u5e94VGA\u5185\u5b58\u7684\u5b58\u53d6\u65b9\u6cd5\u4e5f\u4e0d\u4e00\u6837\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u524d\u9762\u7684Sw-&gt;con_putcs()\u90fd\u4f1a\u8c03\u7528fbcon.c\u4e2d\u7684fbcon_putcs()\u51fd\u6570(con_putcs\u662f\u4e00\u4e2a\u51fd\u6570\u7684\u8868\u9488\uff0c\u5728Framebuffer\u6a21\u5f0f)\u4e0b\u6307\u5411fbcon_putcs()\u51fd\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728do_con_write()\u51fd\u6570\u4e2d\u662f\u76f4\u63a5\u8c03\u7528\u4e86fbcon_putcs()\u51fd\u6570\u6765\u8fdb\u884c\u5b57\u7b26\u7684\u52fe\u753b\uff0c\u8b6c\u5982\u8bf4\u5728256\u8272\u6a21\u5f0f\u4e0b\uff0c\u771f\u6b63\u8d1f\u8d23\u8f93\u51fa\u7684\u51fd\u6570\u662f\uff1avoidfbcon_cfb8_putcs(structvc_data*conp,structdisplay*p,constunsigndeshort*s,intcount,intYY,intxx)<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u663e\u793a\u82f1\u6587<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u4f8b\u5982\u8bf4\u6211\u4eec\u8bd5\u8f93\u51fa\u4e00\u53e5\u82f1\u6587\uff1aputcs(\u60a8\u597d\\n\u201d)\uff08\u201c\u4f60\u597d\u201d\u7684\u5185\u7801\u4e3a0xc4.0xe3.0ba.0xc3\uff09\u3002\u8fd9\u65f6\u4faf\u4f1a\u600e\u6837\u6837\u5462\uff1f\u6709\u4e00\u70b9\u53ef\u4ee5\u80af\u5b9a\uff0c\u201c\u4f60\u597d\u201d\u80af\u5b9a\u4e0d\u4f1a\u51fa\u73b0\u5728\u5c4f\u5e55\u4e0a\uff0c\u7f18\u7531\u662f\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A1\u3001\u6838\u5fc3\u4e2d\u6ca1\u6709\u6c49\u5b57\u5b57\u5e93\uff0c\u82f1\u6587\u663e\u793a\u5c31\u662f\u65e0\u7c73\u4e4b\u708a\u4e86\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A2\u3001\u5728\u8d1f\u8d23\u5b57\u7b26\u663e\u793a\u7684voidfbcon_cfb8_putcs()\u51fd\u6570\u4e2d\uff0c\u539f\u6709\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5bf9\u4e8e\u6bcf\u4f4d\u8981\u663e\u793a\u7684\u5b57\u7b26\uff0c\u4f9d\u6b21\u4ece\u865a\u62df\u7ec8\u7aef\u7f13\u51b2\u533a\u4e2d\u4ee5WORD\u4e3a\u5355\u4f4d\u8bfb\u53d6\uff08\u9ad8\u4f4d\u5b57\u8282\u662fASCII\u7801\uff0c\u9ad88\u4f4d\u662f\u5b57\u7b26\u7684\u5c5e\u6027\uff09\u3002\u56e0\u4e3a\u6c49\u5b57\u662f\u53cc\u5b57\u8282\u7f16\u7801\u65b9\u6cd5\uff0c\u6240\u4ee5\u8fd9\u4e9b\u64cd\u4f5c\u662f\u4e0d\u53ef\u80fd\u663e\u793a\u51fa\u6c49\u5b57\u7684\uff0c\u53ea\u80fd\u663e\u793a\u51faxxxx_putcs()\u8f93\u51fa\u7684\u662f\u4e00\u4e2a\u4e00\u4e2a\u7684VGA\u5b57\u7b26\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u4e3a\u6b64\uff0c\u8981\u89e3\u51b3\u7684\u95ee\u9898\uff1a\u786e\u4fdd\u5728\u8c03\u7528do_con_write()\u65f6\u8fdb\u884cuni_pc\u8f6c\u6362\u4e0d\u4f1a\u6539\u53d8\u539f\u6709\u7f16\u7801\uff0c\u4e00\u4e2a\u5f88\u76f4\u63a5\u7684\u5b9e\u73b0\u65b9\u6cd5\u5c31\u662f\u52a0\u8f7d\u4e00\u4e2a\u6211\u4eec\u81ea\u5df1\u8ba2\u5236\u7684Unicode\u6620\u5c04\u8868\uff0cloadunimapdirdct.uni\uff0c\u6216\u5219\u8fdb\u63a5\u628adirect.uni\u8bbe\u7f6e\u4e3a\u6838\u5fc3\u7684\u7f3a\u7701\u6620\u5c04\u8868\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u9488\u5bf9\u4ee5\u4e0a\u95ee\u9898\uff0c\u6211\u4eec\u8981\u505a\u7684\u7b2c\u4e00\u4e2a\u5c1d\u8bd5\u65b9\u6848\u5982\u4e0b\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u9996\u5148\u987b\u8981\u5728\u6838\u5fc3\u4e2d\u52a0\u8f7d\u6c49\u5b57\u5b57\u5e93\uff0c\u4e4b\u540e\u66f4\u6539fbcon_cfb8_putcs()\u51fd\u6570\uff0c\u5728fbcon_cfb8_putcs()\u4e2d\u4e00\u6b21\u8bfb\u4e24\u4e2aWORD\uff0c\u68c0\u6d4b\u8fd9\u4e24\u4e2aWORD\u7684\u9ad8\u4f4d\u5b57\u8282\u662f\u5426\u80fd\u62fc\u6210\u4e00\u4e2a\u6c49\u5b57\uff0c\u5047\u5982\u53d1\u89c9\u80fd\u62fc\u6210\u4e00\u4e2a\u6c49\u5b57\uff0c\u5373\u4f7f\u51fa\u8fd9\u4e2a\u6c49\u5b57\u5728\u6c49\u5b57\u5b57\u5e93\u7684\u7684\u504f\u659c\uff0c\u4e4b\u540e\u628a\u5b83\u5f53\u4f5c\u4e2a16\u00d716\u7684VGA\u5b57\u7b26\u6765\u663e\u793a\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u8bd5\u9a8c\u7684\u7ed3\u679c\u8868\u660e\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A1\u3001\u80fd\u591f\u8f93\u51fa\u6c49\u5b57\uff0c\u4f46\u4ecd\u6709\u8bb8\u591a\u4e0d\u7406\u60f3\u7684\u5730\u65b9\uff0c\u4f8b\u5982\u8bf4\uff0c\u8f93\u51fa\u4ee5\u534a\u4e2a\u6c49\u5b57\u5f00\u59cb\u7684\u4e00\u4e32\u6c49\u5b57\uff0c\u5219\u8fd9\u534a\u4e2a\u6c49\u5b57\u65c1\u8fb9\u7684\u6c49\u5b57\u5c31\u4f1a\u662f\u4e71\u7801\uff0c\u8fd9\u662f\u201c\u534a\u4e2a\u6c49\u5b57\u201d\u7684\u95ee\u9898\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A2\u3001\u5149\u6807\u8054\u901a\u4f1a\u7834\u574f\u6c49\u5b57\u7684\u663e\u793a\uff0c\u8868\u73b0\u4e3a\uff0c\u5149\u6807\u8054\u901a\u8fc7\u7684\u6c49\u5b57\u4f1a\u5f04\u6210\u4e71\u7801\uff0c\u8fd9\u662f\u7531\u4e8e\u5149\u6807\u7684\u66f4\u65b0\u662f\u901a\u8fc7xxxx_putc()\u51fd\u6570\u6765\u5b8c\u6210\u7684\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Axxxx_putc()\u51fd\u6570\u4e0exxxx_putcs()\u51fd\u6570\u5b9e\u73b0\u7684\u529f\u624d\u80fd\u7c7b\u4f3c\uff0c\u800c\u4e14xxxx_()\u51fd\u6570\u53ea\u5237\u65b0\u4e00\u4e2a\u5b57\u7b26\u800c\u4e0d\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u4ece\u800cxxxx_putc()\u7684\u8f93\u5165\u53c2\u6570\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u5730\u5740\uff0cxxxx_putc()\u51fd\u6570\u7684\u7533\u660e\u5982\u4e0b\uff1a<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%Avoidfbcon_cfb8_putc(structvc_data*conp,structdisplay*p,intc,intYY,intxx)<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p 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style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u6211\u4eec\u4e00\u65b9\u9762\u627e\u5bfb\u66f4\u597d\u7684\u6392\u9664\u7ec4\u5408\u7b97\u6cd5\uff0c\u4e00\u65b9\u9762\u4f01\u56fe\u627e\u5bfb\u5176\u4ed6\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u8981\u60f3\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5fc5\u987b\u501f\u52a9\u5176\u4ed6\u7684\u8f85\u52a9\u4fe1\u606f\uff0c\u4ec5\u4ec5\u501f\u52a9\u7f13\u51b2\u533a\u7684\u5b57\u7b26\u6765\u5224\u5b9a\u662f\u4e0d\u591f\u7684\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u7ecf\u8fc7\u4e00\u756a\u52aa\u529b\uff0c\u6211\u4eec\u53d1\u89c9\uff0c\u5728UNIX\u4e2d\u4f7f\u7528\u6269\u5145\u5b57\u7b26\u65f6\uff0c\u90fd\u8981\u5148\u8f93\u51fa\u5b57\u7b26\u901a\u914d\u7b26\u5e8f\u5217\uff08Escapesepuence\uff09\u6765\u5207\u6362\u5f53\u524d\u5b57\u7b26\u96c6\u3002\u5b57\u7b26\u901a\u914d\u7b26\u5e8f\u5217\u662f\u4ee5\u63a7\u5236\u5b57\u7b26Ecs\u4e3a\u9996\u7684\u63a7\u5236\u547d\u4ee4\uff0c\u5728UNIX\u7684\u865a\u62df\u7ec8\u7aef\u4e2d\u5b8c\u6210\u7ec8\u7aef\u63a7\u5236\u547d\u4ee4\uff0c\u8fd9\u4e9b\u547d\u4ee4\u5305\u62ec\u8054\u901a\u5149\u6807\u5750\u6807\u3001\u5377\u5c4f\u3001\u5220\u9664\u3001\u5207\u6362\u5b57\u7b26\u96c6\u7b49\u7b49\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u8f93\u51fa\u4ee3\u8868\u5236\u8868\u7684\u5b57\u7b26\u4e32\u4e4b\u524d\uff0c\u4e00\u822c\u662f\u8981\u5148\u8f93\u51fa\u7279\u5b9a\u7684\u5b57\u7b26\u901a\u914d\u7b26\u5e8f\u5217\uff0c\u5728console.c\u91cc\uff0c\u6709\u6309\u7167\u5b57\u7b26\u901a\u914d\u7b26\u5e8f\u5217\u547d\u4ee4\u6765\u8bb0\u5f55\u5b57\u7b26\u72b6\u6001\u7684\u53d8\u91cf\uff0c\u7ed3\u5408\u8be5\u53d8\u91cf\u63d0\u4f9b\u7684\u4fe1\u606f\uff0c\u5c31\u53ef\u4ee5\u5341\u5206\u786e\u5207\u5730\u628a\u5236\u8868\u7b26\u4e0e\u6c49\u5b57\u533a\u522b\u5f00\u6765\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5728\u5982\u4e0a\u601d\u8def\u7684\u6307\u5f15\u4e0b\uff0c\u6211\u4eec\u53c8\u5f62\u6210\u4e86\u65b0\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u7ecf\u8fc7\u6539\u52a8\u5f97\u5230\u4e86\u53e6\u4e00\u7248\u672c\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5728\u8fd9\u4e2a\u65b0\u7684\u7248\u672c\u4e0a\uff0cturbonetcfg\u5728\u521d\u6b21\u52fe\u753b\u7684\u65f6\u4faf\uff0c\u5236\u8868\u7b26\u4e0e\u6c49\u5b57\u88ab\u6e05\u6670\u5730\u5206\u8fa8\u5f00\uff0c\u4f46\u8fd8\u6709\u95ee\u9898\uff1aturbonetcfg\u5728\u91cd\u753b\u7684\u65f6\u4faf\uff08\u5982\u5207\u6362\u865a\u62df\u7ec8\u7aef\u6216\u662f\u8054\u901a\u952e\u76d8\u5149\u6807\u7684\uff09\uff0c\u5236\u8868\u7b26\u8fd8\u662f\u5f04\u6210\u4e86\u6c49\u5b57<strong>linux\u4fee\u6539\u5185\u6838\u53c2\u6570<\/strong>\uff0c\u7531\u4e8e\u91cd\u753b\u5b8c\u5168\u886c\u886b\u4e8e\u7f13\u51b2\u533a\uff0c\u800c\u8fd9\u65f6\u62ff\u6765\u8bb0\u5f55\u5b57\u7b26\u96c6\u72b6\u6001\u7684\u53d8\u91cf\u5e76\u4e0d\u53cd\u6620\u5f53\u524d\u5b57\u7b26\u96c6\u72b6\u6001\u3002\u95ee\u9898\u8fd8\u662f\u6ca1\u6709\u6700\u7ec8\u89e3\u51b3\uff0c\u6211\u4eec\u53c8\u56de\u5230\u4e86\u8d77\u70b9\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u770b\u6765\u95ee\u9898\u7684\u6700\u7ec8\u89e3\u51b3\u624b\u6bb5\u5fc5\u987b\u662f\u628a\u5b57\u7b26\u96c6\u7684\u72b6\u6001\u4f34\u968f\u7740\u6bcf\u4e00\u4e2a\u5b57\u7b26\u5728\u7f13\u51b2\u533a\u4e2d\uff0c\u8ba9\u6211\u4eec\u6765\u7814\u7a76\u4e00\u4e0b\u7f13\u51b2\u533a\u7684\u7ed3\u6784\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p 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style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A\u5e76\u4e14\uff0c\u56e0\u4e3aFramebuffer\u7684\u9a71\u52a8\u7a0b\u5e8f\u597d\u591a\uff0c\u66f4\u6539\u6bcf\u4e00\u4e2a\u9a71\u52a8\u7a0b\u5e8f\u7684xxxx_putc()\u51fd\u6570\u548cxxxx_putcs()\u51fd\u6570\u4f1a\u662f\u4e00\u9879\u4e0d\u5c0f\u7684\u5de5\u4f5c\uff0c\u4f46\u662f\uff0c\u6539\u52a8\u9a71\u52a8\u7a0b\u5e8f\u540e\uff0c\u6bcf\u79cd\u9a71\u52a8\u7a0b\u5e8f\u7684\u6d4b\u8bd5\u4e5f\u662f\u5f88\u9ebb\u70e6\u7684<strong>linux\u4fee\u6539\u5185\u6838\u53c2\u6570<\/strong>\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u6709\u786c\u4ef6\u52a0\u901f\u7684\u4e3b\u677f\uff0c\u66f4\u6539\u548c\u6d4b\u8bd5\u4f1a\u66f4\u4e0d\u5bb9\u6613\u3002<\/p>\n<p style='margin-bottom:16px;color:#555555;font-size:16px;line-height:200%;text-indent:2em'>%A<\/p>\n<p 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