{"id":744,"date":"2015-06-02T09:58:04","date_gmt":"2015-06-02T01:58:04","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=744"},"modified":"2015-06-02T10:02:39","modified_gmt":"2015-06-02T02:02:39","slug":"%e7%90%86%e8%a7%a3java%e6%8e%a7%e5%88%b6%e5%8f%b0%e8%be%93%e5%85%a5%e5%a5%87%e6%95%b0%e4%b8%aa%e4%b8%ad%e6%96%87%e4%b9%b1%e7%a0%81","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=744","title":{"rendered":"\u7406\u89e3Java\u63a7\u5236\u53f0\u8f93\u5165\u5947\u6570\u4e2a\u4e2d\u6587\u4e71\u7801"},"content":{"rendered":"

Java\u63a7\u5236\u53f0\u8f93\u5165\u4e71\u7801<\/span> <\/strong>
\n\u8fd9\u662f\u5f88\u5e38\u89c1\u7684\u83b7\u53d6\u952e\u76d8\u8f93\u5165\u7684\u4e00\u6bb5Java\u4ee3\u7801\uff0c\u4f46\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u6211\u53d1\u73b0\u53ea\u8981\u6211\u8f93\u5165\u7684\u662f\u4e2d\u6587\uff0c\u800c\u4e14\u5b57\u7b26\u6570\u4e3a\u5947\u6570\uff0c\u5c31\u4f1a\u51fa\u73b0\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u4e3a\u4e71\u7801\u7684\u95ee\u9898\uff0c
\n<\/p>\n

[java] BufferedReader reader = new BufferedReader(
\n\t\t\t\tnew InputStreamReader(System.in));
\n\t\tString message;
\n\t\twhile ((message = reader.readLine()) != null) {
\n\t\t\tSystem.out.println(message);
\n }[\/java]<\/p>\n

\u4ea7\u751f\u539f\u56e0\uff1a\u56e0\u4e3a\u8fd9\u4e2a\u9879\u76ee\u6587\u4ef6\u7684\u9ed8\u8ba4\u5b57\u7b26\u7f16\u7801\u4e3aUTF-8\uff0c\u6240\u4ee5\u6211\u7684\u63a7\u5236\u53f0\u7684\u5b57\u7b26\u7f16\u7801\u4e5f\u81ea\u52a8\u53d8\u6210\u4e86UTF-8\uff0c\u800c\u952e\u76d8\u7684\u8f93\u5165\u6d41\u7684\u9ed8\u8ba4\u683c\u5f0f\u662fGBK\u683c\u5f0f\uff0c\u8fd9\u6837\u5c31\u9020\u6210\u4e86\u5728GBK\u8f6cUTF-8\u7684\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u5947\u6570\u4e71\u7801\u9519\u8bef<\/p>\n

\u89e3\u51b3\u529e\u6cd5\uff1a
\n\u7b2c\u4e00\u79cd: \u4fee\u6539\u9879\u76ee\u6587\u4ef6\u7f16\u7801\u4e3aGBK,\u63a7\u5236\u53f0\u7684\u5b57\u7b26\u7f16\u7801\u4e5f\u81ea\u52a8\u53d8\u6210\u4e86GBK.
\n\u7b2c\u4e8c\u79cd:\u5728\u4ee3\u7801\u533a\u57df\u53f3\u952e -> run as -> run configurations -> common(\u53f3\u4fa7) -> console encoding
\n\u5982\u679c\u51fa\u73b0\u6b64\u9519\u8bef\uff0c\u6b64\u65f6\u7684\u7f16\u7801\u683c\u5f0f\u5e94\u8be5\u662fUTF-8\uff0c\u9009\u62e9Other\uff0c\u8fd9\u65f6\u53ef\u80fd\u6ca1\u6709GBK\u9009\u9879\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u5219\u6267\u884c\u4e4b\u540e\u64cd\u4f5c\u3002<\/p>\n

\u7406\u89e3\u5e76\u89e3\u51b3GBK\u8f6cUTF-8\u5947\u6570\u4e2d\u6587\u4e71\u7801<\/strong><\/span><\/p>\n

\u95ee\u9898\u51fa\u73b0\uff1aGBK\u8f6cUTF-8\u65f6\uff0c\u5947\u6570\u4e2a\u4e2d\u6587\u4f1a\u4e71\u7801\uff0c\u5076\u6570\u4e2a\u4e2d\u6587\u4e0d\u4f1a\u4e71\u7801\u3002
\n\u4e09\u4e2a\u4e2d\u6587<\/p>\n

[java]public static void encodeError() throws UnsupportedEncodingException {
\n String gbk = "\u6211\u6765\u4e86";
\n String utf8 = new String(gbk.getBytes("UTF-8")); <\/p>\n

\/\/\u6a21\u62dfUTF-8\u7f16\u7801\u7684\u7f51\u7ad9\u663e\u793a
\n System.out.println(new String(utf8.getBytes(),"UTF-8"));
\n}
\n\/*
\n\u6211\u6765??
\n*\/
\n \u524d\u9762\u4e09\u4e2a\u4e2d\u6587\uff0c\u540e\u9762\u4e00\u4e2a\u4e2d\u6587\uff0c\u90fd\u662f\u5947\u6570
\nJava\u4ee3\u7801 \u6536\u85cf\u4ee3\u7801
\npublic static void encodeError2() throws UnsupportedEncodingException {
\n String gbk = "\u4eca\u5e74\u662f2011\u5e74";
\n String utf8 = new String(gbk.getBytes("UTF-8")); <\/p>\n

\/\/\u6a21\u62dfUTF-8\u7f16\u7801\u7684\u7f51\u7ad9\u663e\u793a
\n System.out.println(new String(utf8.getBytes(),"UTF-8"));
\n}
\n\/*
\n\u4eca\u5e74??011??
\n*\/ [\/java]<\/p>\n

\u539f\u56e0\uff1a\u4e3a\u4ec0\u4e48\u53ea\u6709\u5947\u6570\u4e2a\u4e2d\u6587\u624d\u4e71\u7801\uff0c\u5076\u6570\u4e2a\u5374\u4e0d\u4e71\u7801\uff1f\u4e0b\u9762\u6765\u5206\u6790\u539f\u56e0<\/p>\n

[java]public static void analyze() throws UnsupportedEncodingException {
\n String gbk = "\u6211\u6765\u4e86";
\n String utf8 = new String(gbk.getBytes("UTF-8"));
\n for (byte b : gbk.getBytes("UTF-8")) {
\n System.out.print(b + " ");
\n }
\n System.out.println();
\n for (byte b : utf8.getBytes()) {
\n System.out.print(b + " ");
\n }
\n}
\n\/*
\n-26 -120 -111 -26 -99 -91 -28 -70 -122
\n-26 -120 -111 -26 -99 -91 -28 -70 63
\n*\/ [\/java]<\/p>\n

\u6ce8\u610f\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u4e0d\u540c\uff0c\u4e0a\u9762\u4e00\u884c\u624d\u662f\u6b63\u786e\u7684UTF-8\u7f16\u7801\u3002\u90a3\u4e48\u4e3a\u4ec0\u4e48\u4e0b\u9762\u4e00\u884c\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u662f63\uff0c\u800c\u4e0d\u662f-122\u5462\uff1f\u8fd9\u5c31\u662f\u5bfc\u81f4\u4e71\u7801\u7684\u539f\u56e0\u6240\u5728\u3002
\nGBK\u7f16\u7801\u662f\u4e00\u4e2a\u4e2d\u65872\u4e2a\u5b57\u8282\uff0c\u800cUTF-8\u7f16\u7801\u662f\u4e00\u4e2a\u4e2d\u65873\u4e2a\u5b57\u8282\uff0c\u5f53\u6211\u4eec\u8c03\u7528getBytes(“UTF-8″)\u65b9\u6cd5\u65f6\uff0c\u4f1a\u901a\u8fc7\u8ba1\u7b97\u6765\u589e\u52a0\u5b57\u8282\uff0c\u4f7f\u5f97\u4eceGBK\u76842\u4e2a\u5b57\u8282\u53d8\u6210UTF-8\u5bf9\u5e94\u76843\u4e2a\u5b57\u8282\u3002\u56e0\u6b64\uff0c\u4e0a\u4f8b3\u4e2a\u4e2d\u6587\u8f93\u51fa\u4e869\u4e2a\u5b57\u8282\u3002<\/p>\n

\u8fd9\u91cc\u8bb2\u4e00\u4e0b\u600e\u4e48\u901a\u8fc7\u8ba1\u7b97\u589e\u52a0\u5b57\u8282\uff0c\u4e0d\u6df1\u7a76\u7684\u8bfb\u8005\u53ef\u4ee5\u8df3\u8fc7\u6b64\u6bb5\u3002\u4e3a\u4e86\u9192\u76ee\uff0c\u76f4\u63a5\u7528\u4ee3\u7801\u8bb2\u89e3<\/p>\n

[java]public static void gbk2Utf() throws UnsupportedEncodingException {
\n String gbk = "\u6211\u6765\u4e86";
\n char[] c = gbk.toCharArray();
\n byte[] fullByte = new byte[3*c.length];
\n for (int i=0; i<c.length; i++) {
\n String binary = Integer.toBinaryString(c[i]);
\n StringBuffer sb = new StringBuffer();
\n int len = 16 – binary.length();
\n \/\/\u524d\u9762\u8865\u96f6
\n for(int j=0; j<len; j++){
\n sb.append("0");
\n }
\n sb.append(binary);
\n \/\/\u589e\u52a0\u4f4d\uff0c\u8fbe\u5230\u523024\u4f4d3\u4e2a\u5b57\u8282
\n sb.insert(0, "1110");
\n sb.insert(8, "10");
\n sb.insert(16, "10");
\n fullByte[i*3] = Integer.valueOf(sb.substring(0, 8), 2).byteValue();\/\/\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u521b\u5efa\u6574\u578b
\n fullByte[i*3+1] = Integer.valueOf(sb.substring(8, 16), 2).byteValue();
\n fullByte[i*3+2] = Integer.valueOf(sb.substring(16, 24), 2).byteValue();
\n }
\n \/\/\u6a21\u62dfUTF-8\u7f16\u7801\u7684\u7f51\u7ad9\u663e\u793a
\n System.out.println(new String(fullByte,"UTF-8"));
\n}
\n [\/java]<\/p>\n

\u73b0\u5728\u6211\u4eec\u6765\u627e\u51fa\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u662f63\uff0c\u800c\u4e0d\u662f-122\u7684\u539f\u56e0\u3002<\/p>\n

[java]public static void analyze2() throws UnsupportedEncodingException {
\n String gbk = "\u6211\u6765\u4e86";
\n byte[] utfBytes = gbk.getBytes("UTF-8");\/\/\u5f97\u52309\u4e2a\u5b57\u8282
\n String utf8 = new String(utfBytes);\/\/\u95ee\u9898\u5c31\u51fa\u5728\u8fd9
\n System.out.print(utf8);
\n}
\n\/*
\n\u93b4\u621e\u6f75\u6d5c?
\n*\/ [\/java]<\/p>\n

\u56e0\u4e3a\u6587\u4ef6\u662fGBK\u7f16\u7801\uff0cnew String(utfBytes)\u9ed8\u8ba4\u5c31\u662fnew String(utfBytes,”GBK”)\u3002\u5b83\u4f1a2\u4e2a\u5b57\u82822\u4e2a\u5b57\u8282\u5730\u8f6c\u6362\u6210\u5b57\u7b26\uff0c\u5f53\u5b57\u8282\u662f\u5947\u6570\u65f6\u6700\u540e1\u4e2a\u5b57\u8282\u8f6c\u5b57\u7b26\u5c31\u4f1a\u8ba1\u7b97\u9519\u8bef\uff0c\u7136\u540e\u76f4\u63a5\u8d4b\u4e88\u6700\u540e\u8fd9\u4e2a\u5b57\u7b26\u4e3a?\uff0c\u5bf9\u5e94ASCII\u4ee3\u7801\u5c31\u662f63\u3002<\/p>\n

\u89e3\u51b3\u95ee\u9898
\n\u4fdd\u8bc1\u5b57\u8282\u6b63\u786e\u624d\u662f\u786c\u9053\u7406\u3002\u5f53\u8c03\u7528getBytes(“UTF-8”)\u8f6c\u6362\u6210\u5b57\u8282\u6570\u7ec4\u540e\uff0c\u521b\u5efaISO-8859-1\u7f16\u7801\u7684\u5b57\u7b26\u4e32\uff0cISO-8859-1\u7f16\u7801\u662f\u4e00\u4e2a\u5b57\u8282\u5bf9\u5e94\u4e00\u4e2a\u5b57\u7b26\uff0c\u56e0\u6b64\u4e0d\u4f1a\u4f7f\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u9519\u8bef\u3002<\/p>\n

[java]public static void correctEncode() throws UnsupportedEncodingException {
\n String gbk = "\u6211\u6765\u4e86";
\n String iso = new String(gbk.getBytes("UTF-8"),"ISO-8859-1");
\n for (byte b : iso.getBytes("ISO-8859-1")) {
\n System.out.print(b + " ");
\n }
\n System.out.println(); <\/p>\n

\/\/\u6a21\u62dfUTF-8\u7f16\u7801\u7684\u7f51\u7ad9\u663e\u793a
\n System.out.println(new String(iso.getBytes("ISO-8859-1"),"UTF-8"));
\n}
\n\/*
\n-26 -120 -111 -26 -99 -91 -28 -70 -122
\n\u6211\u6765\u4e86
\n*\/ [\/java]<\/p>\n

JAVA\u7f16\u7801\u7814\u7a76\u4e4b\u5b57\u7b26\u8f6c\u5b57\u8282\u5230\u5b57\u8282\u8f6c\u5b57\u7b26<\/strong><\/span><\/p>\n

[java]public class Bianma {
\n private static void printBytes(byte[] bytes) {
\n for (byte b : bytes) {
\n printByte(b);
\n }
\n System.out.println();
\n }
\n private static void printByte(byte abyte) {
\n String hex = "00"+Integer.toHexString((int)abyte);
\n System.out.print(hex.substring(hex.length() – 2) + "\\t");
\n }
\n public static void main(String[] args) throws IOException {
\n String s = "\u9676";
\n printBytes(s.getBytes("GBK"));
\n printBytes(s.getBytes("UTF-8"));
\n byte b = (byte) System.in.read();
\n while (true) {
\n printByte(b);
\n b = (byte) System.in.read();
\n }
\n }
\n}[\/java]<\/p>\n

[java]run\uff1a
\ncc d5 \/\/ \u9676\u7684GBK\u7f16\u7801
\ne9 99 b6 \/\/ \u9676\u7684UTF8\u7f16\u7801
\n\u9676
\ncc d5 0a \/\/ 0a\u662f\u56de\u8f66\u751f\u6210\u7684 [\/java]<\/p>\n

[java]byte[] b = new byte[]{new Byte((byte) 0xcc), new Byte((byte) 0xd5)};
\nSystem.out.println(new String(b, "GBK"));<\/p>\n

\/\/\u8f93\u51fa\u4e3a :\u9676[\/java]<\/p>\n","protected":false},"excerpt":{"rendered":"

Java\u63a7\u5236\u53f0\u8f93\u5165\u4e71\u7801 \u8fd9\u662f\u5f88\u5e38\u89c1\u7684\u83b7\u53d6\u952e\u76d8\u8f93\u5165\u7684\u4e00\u6bb5Java\u4ee3\u7801\uff0c\u4f46\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u6211\u53d1\u73b0\u53ea\u8981\u6211\u8f93\u5165\u7684\u662f\u4e2d\u6587\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[63],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/744"}],"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=744"}],"version-history":[{"count":4,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/744\/revisions"}],"predecessor-version":[{"id":748,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/744\/revisions\/748"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}