{"id":668,"date":"2015-05-20T09:39:13","date_gmt":"2015-05-20T01:39:13","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=668"},"modified":"2015-05-20T09:39:57","modified_gmt":"2015-05-20T01:39:57","slug":"java%e4%b8%ad%e6%96%87%e4%bb%b6%e7%9a%84%e9%9a%8f%e6%9c%ba%e8%af%bb%e5%86%99","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=668","title":{"rendered":"Java\u4e2d\u6587\u4ef6\u7684\u968f\u673a\u8bfb\u5199"},"content":{"rendered":"

Java.io \u5305\u63d0\u4f9b\u4e86 RandomAccessFile \u7c7b\u7528\u4e8e\u968f\u673a\u6587\u4ef6\u7684\u521b\u5efa\u548c\u8bbf\u95ee\u3002\u4f7f\u7528\u8fd9\u4e2a\u7c7b\uff0c\u53ef\u4ee5\u8df3\u8f6c\u5230\u6587\u4ef6\u7684\u4efb\u610f\u4f4d\u7f6e\u8bfb\u5199\u6570\u636e\u3002\u7a0b\u5e8f\u53ef\u4ee5\u5728\u968f\u673a\u6587\u4ef6\u4e2d\u63d2\u5165\u6570\u636e\uff0c\u800c\u4e0d\u4f1a\u7834\u574f\u8be5\u6587\u4ef6\u7684\u5176\u4ed6\u6570\u636e\u3002\u6b64\u5916\uff0c\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u66f4\u65b0\u6216\u5220\u9664\u5148\u524d\u5b58\u50a8\u7684\u6570\u636e\uff0c\u800c\u4e0d\u7528\u91cd\u5199\u6574\u4e2a\u6587\u4ef6\u3002
\n<\/p>\n

RandomAccessFile\u7c7b\u662fObject\u7c7b\u7684\u76f4\u63a5\u5b50\u7c7b\uff0c\u5305\u542b\u4e24\u4e2a\u4e3b\u8981\u7684\u6784\u9020\u65b9\u6cd5\u7528\u6765\u521b \u5efaRandomAccessFile \u7684\u5bf9\u8c61\uff0c
\n\"file1\"<\/a>
\n\u3010\u4f8b 10-12\u3011\u6a21\u4eff\u7cfb\u7edf\u65e5\u5fd7\uff0c\u5c06\u6570\u636e\u5199\u5165\u5230\u6587\u4ef6\u5c3e\u90e8\u3002<\/p>\n

[java]import java.io.*;
\nclass ep10_12{
\n\u00a0\u00a0\u00a0 public static void main(String args[]) throws IOException{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 try{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 String s=in.readLine();
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 RandomAccessFile myFile=new RandomAccessFile("ep10_12.log","rw");
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 myFile.seek(myFile.length()); \/\/\u79fb\u52a8\u5230\u6587\u4ef6\u7ed3\u5c3e
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 myFile.writeBytes(s+"\\n"); \/\/\u5199\u5165\u6570\u636e
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 myFile.close();
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 catch(IOException e){}
\n\u00a0\u00a0\u00a0 }
\n}[\/java]<\/p>\n

\u7a0b\u5e8f\u8fd0\u884c\u540e\u5728\u76ee\u5f55\u4e2d\u5efa\u7acb\u4e00\u4e2a ep10_12.log \u7684\u6587\u4ef6\uff0c\u6bcf\u6b21\u8fd0\u884c\u65f6\u8f93\u5165\u7684\u5185\u5bb9\u90fd\u4f1a\u5728\u8be5\u6587\u4ef6\u5185\u5bb9\u7684\u7ed3\u5c3e\u5904\u6dfb\u52a0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Java.io \u5305\u63d0\u4f9b\u4e86 RandomAccessFile \u7c7b\u7528\u4e8e\u968f\u673a\u6587\u4ef6\u7684\u521b\u5efa\u548c\u8bbf\u95ee\u3002\u4f7f\u7528\u8fd9\u4e2a\u7c7b\uff0c\u53ef\u4ee5\u8df3\u8f6c\u5230 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/668"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=668"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/668\/revisions"}],"predecessor-version":[{"id":671,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/668\/revisions\/671"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}