{"id":652,"date":"2021-02-08T02:00:46","date_gmt":"2021-02-07T18:00:46","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=652"},"modified":"2021-09-03T14:24:55","modified_gmt":"2021-09-03T06:24:55","slug":"filereader-%e5%ad%97%e7%ac%a6%e8%be%93%e5%85%a5%e6%b5%81","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-652.html","title":{"rendered":"FileReader &#8212; \u5b57\u7b26\u8f93\u5165\u6d41"},"content":{"rendered":"\n<p>\u5b57\u7b26\u8f93\u5165\u6d41\uff0c\u662f\u4e13\u95e8\u9488\u5bf9\u8bfb\u53d6\u6587\u5b57\u7684\uff0c\u6bd4\u5982\u5305\u542b\u4e2d\u6587\u7684\u6587\u4ef6<\/p>\n\n\n\n<h5>1.\u5bfc\u5305<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileReader;<\/code><\/pre>\n\n\n\n<h5>2.\u6784\u9020\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u672c\u7c7b\u548c\u5b57\u8282\u6d41\u76f8\u4f3c\uff0c\u53c2\u6570\u6709 2 \u4e2a\u9009\u9879\uff0c\u8981\u4e48\u662f\u5b57\u7b26\u4e32\u4f4d\u7f6e\uff0c\u8981\u4e48\u662fFile<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FileReader fr1 = new FileReader(\"D:\\\\a.txt\");\nFileReader fr2 = new FileReader(new File(\"D:\\\\b.txt\"));<\/code><\/pre>\n\n\n\n<h5>3.\u65b9\u6cd5<\/h5>\n\n\n\n<p>1.\u8bfb\u53d6\u4e00\u4e2a\u5b57\u7b26<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int len1 = 0;\nwhile((len1 = fr1.read())!=-1){\n  System.out.print((char)len1);\n}<\/code><\/pre>\n\n\n\n<p>2.\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 = fr2.read(cs))!=-1){\n  System.out.println(new String(cs,0,len2));\n}<\/code><\/pre>\n\n\n\n<p>3.\u5173\u95ed\u6d41<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>fr1.close();\nfr2.close();<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b57\u7b26\u8f93\u5165\u6d41\uff0c\u662f\u4e13\u95e8\u9488\u5bf9\u8bfb\u53d6\u6587\u5b57\u7684\uff0c\u6bd4\u5982\u5305\u542b\u4e2d\u6587\u7684\u6587\u4ef6 1.\u5bfc\u5305 2.\u6784\u9020\u65b9\u6cd5 \u672c\u7c7b\u548c\u5b57\u8282\u6d41\u76f8\u4f3c\uff0c\u53c2\u6570\u6709 2 \u4e2a&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-652.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">FileReader &#8212; \u5b57\u7b26\u8f93\u5165\u6d41<\/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\/652"}],"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=652"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/652\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}