{"id":787,"date":"2021-02-15T16:18:46","date_gmt":"2021-02-15T08:18:46","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=787"},"modified":"2021-02-15T16:33:09","modified_gmt":"2021-02-15T08:33:09","slug":"bufferedreader","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-787.html","title":{"rendered":"BufferedReader"},"content":{"rendered":"\n<p>\u8fd9\u662f Reader  \u7684\u5b50\u7c7b\uff0c\u662f\u5b57\u7b26\u7f13\u51b2\u8f93\u5165\u6d41<\/p>\n\n\n\n<h5>1.\u5bfc\u5305<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.BufferedReader;<\/code><\/pre>\n\n\n\n<h5>2.\u6784\u9020\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u81f3\u5c11\u9700\u8981\u4e00\u4e2a Reader \u7c7b\uff0c\u53ef\u4ee5\u6307\u5b9a\u7f13\u51b2\u533a\u5927\u5c0f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u5148\u521b\u5efa\u4e00\u4e2a FileReader \u4f5c\u4e3a\u53c2\u6570\nFileReader fr = new FileReader(\"D:\\\\a.txt\");\nBufferedReader br1 = new BufferedReader(fr);\nBufferedReader br2 = new BufferedReader(fr,1024);<\/code><\/pre>\n\n\n\n<h5>3.\u65b9\u6cd5<\/h5>\n\n\n\n<p>1.\u4ee5\u884c\u8bfb\u53d6\u6587\u4ef6\uff08\u7279\u6709\u65b9\u6cd5\uff0c\u8fd9\u4e2a\u884c\u662f\u6307\u6362\u884c\u7b26\uff0c\u5982word\u4e2d\u7684\u6bb5\u843d\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>String line; \/\/\u4e00\u884c\u7684\u5185\u5bb9\nwhile((line = br1.readLine())!=null){\n  System.out.println(line);\n}<\/code><\/pre>\n\n\n\n<p>2.\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int len1 = 0;\nwhile((len1 = br1.read())!=-1){\n  System.out.print((char)len1);\n}<\/code><\/pre>\n\n\n\n<p>3.\u8bfb\u53d6\u591a\u4e2a\u5b57\u7b26<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>char&#91;] cs = new char&#91;1024];\nint len2 = 0;\nwhile((len2 = br2.read(cs))!=-1){\n  System.out.println(new String(cs));\n}<\/code><\/pre>\n\n\n\n<p>4.\u5173\u95ed\u6d41<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>br1.close();<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f Reader \u7684\u5b50\u7c7b\uff0c\u662f\u5b57\u7b26\u7f13\u51b2\u8f93\u5165\u6d41 1.\u5bfc\u5305 2.\u6784\u9020\u65b9\u6cd5 \u81f3\u5c11\u9700\u8981\u4e00\u4e2a Reader \u7c7b\uff0c\u53ef\u4ee5\u6307\u5b9a&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-787.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">BufferedReader<\/span><\/a><\/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:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/787"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=787"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/787\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}