{"id":654,"date":"2021-02-08T02:20:56","date_gmt":"2021-02-07T18:20:56","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=654"},"modified":"2021-02-08T15:29:17","modified_gmt":"2021-02-08T07:29:17","slug":"filewriter-%e5%ad%97%e7%ac%a6%e8%be%93%e5%87%ba%e6%b5%81","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-654.html","title":{"rendered":"FileWriter &#8212; \u5b57\u7b26\u8f93\u51fa\u6d41"},"content":{"rendered":"\n<p>FileWriter \u662f\u4e13\u95e8\u5199\u5165\u6587\u5b57\u5230\u6587\u4ef6\u4e2d\u7684\uff0c\u6bd4\u5982\u6587\u5b57\u5305\u542b\u4e2d\u6587<\/p>\n\n\n\n<h5>1.\u5bfc\u5305<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileWriter;<\/code><\/pre>\n\n\n\n<h5>2.\u6784\u9020\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u7c7b\u4f3c\u8f93\u5165\u6d41\uff0c\u6709 2 \u4e2a\u53c2\u6570<\/p>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u6709 2 \u4e2a\u9009\u9879\uff0c\u8981\u4e48\u662f\u4f4d\u7f6e\u5b57\u7b26\u4e32\uff0c\u8981\u4e48\u662fFile<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0ctrue \u8868\u793a\u8ffd\u52a0\uff0cfalse \u8868\u793a\u8986\u76d6<\/p>\n\n\n\n<p>\u6587\u4ef6\u76ee\u5f55\u4e0d\u5b58\u5728\u65f6\u62a5\u9519\uff0c\u76ee\u5f55\u5b58\u5728\u4e14\u6587\u4ef6\u4e0d\u5b58\u5728\u65f6\uff0c\u81ea\u52a8\u521b\u5efa\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FileWriter fw1 = new FileWriter(\"d:\\\\a.txt\");\nFileWriter fw2 = new FileWriter(new File(\"b.txt\"));\nFileWriter fw3 = new FileWriter(\"d:\\\\c.txt\",true);<\/code><\/pre>\n\n\n\n<h5>3.\u65b9\u6cd5<\/h5>\n\n\n\n<p>1.\u5199\u5165\u6570\u636e\u5230\u7f13\u51b2\u533a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>fw1.write(97);  \/\/\u5199\u5165\u4e00\u4e2a\u5b57\u7b26\nchar&#91;] cs = {'j','a','v','a','\u6559','\u7a0b'};\nfw1.write(cs,0,cs.length);\nfw1.write(\"java\u6559\u7a0b\");\nfw3.write(\"52\u7b2c\u5c0f\u7a9d\\r\\njava\u6559\u7a0b\");<\/code><\/pre>\n\n\n\n<p>2.\u5237\u65b0\u6570\u636e\u5230\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>fw1.flush();<\/code><\/pre>\n\n\n\n<p>3.\u5173\u95ed\u6d41<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u5173\u95ed\u6d41\u4e4b\u524d\uff0c\u4e5f\u4f1a\u81ea\u52a8\u6267\u884cflush\nfw1.close();\nfw2.close();\nfw3.close();<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>FileWriter \u662f\u4e13\u95e8\u5199\u5165\u6587\u5b57\u5230\u6587\u4ef6\u4e2d\u7684\uff0c\u6bd4\u5982\u6587\u5b57\u5305\u542b\u4e2d\u6587 1.\u5bfc\u5305 2.\u6784\u9020\u65b9\u6cd5 \u7c7b\u4f3c\u8f93\u5165\u6d41\uff0c\u6709 2 &hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-654.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">FileWriter &#8212; \u5b57\u7b26\u8f93\u51fa\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\/654"}],"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=654"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/654\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}