{"id":272,"date":"2015-01-02T23:04:40","date_gmt":"2015-01-02T15:04:40","guid":{"rendered":"http:\/\/yangwang.hk\/?p=272"},"modified":"2015-11-22T14:09:11","modified_gmt":"2015-11-22T06:09:11","slug":"2-5%e3%80%81ascii","status":"publish","type":"post","link":"https:\/\/yangwang.hk\/?p=272","title":{"rendered":"2.5\u3001ASCII"},"content":{"rendered":"

\u73b0\u5728\uff0c\u6211\u4eec\u518d\u6765\u4e86\u89e3\u4e00\u4e0bASCII\u3002<\/p>\n

\u524d\u9762\u6211\u4eec\u63d0\u5230\u8fc7\uff0c\u5b57\u7b26\u5728\u8ba1\u7b97\u673a\u4e2d\u662f\u4ee5\u6570\u5b57\u6765\u4fdd\u5b58\u7684\u3002<\/p>\n

\u800c\u5b57\u7b26\u7684\u672c\u8d28\uff0c\u5176\u5b9e\u662f\u4e00\u4e2a\u4e2a\u56fe\u50cf\uff0c\u5982\u679c\u6211\u4eec\u5c06\u8fd9\u4e9b\u56fe\u50cf\u548c\u6570\u5b57\u5bf9\u5e94\u8d77\u6765\uff0c\u518d\u4f20\u9012\u8fd9\u4e9b\u201c\u56fe\u50cf\u201d\u5c31\u6bd4\u8f83\u65b9\u4fbf\u4e86\u3002<\/p>\n

\u4f8b\u5982\uff0c\u6211\u4eec\u89c4\u5b9a1\u8868\u793aa\uff0c2\u8868\u793ab\uff0c\u4e00\u76f4\u523026\u8868\u793az\u3002\u6211\u4eec\u5411\u5bf9\u65b9\u4f20\u9001you\uff0c\u5c31\u53ea\u9700\u8981\u4f20\u900125\uff0c15\uff0c21\uff0c\u8fd93\u4e2a\u6570\u5b57<\/p>\n

\u6536\u5230\u7684\u4eba\u518d\u6309\u7167\u6211\u4eec\u7684\u7ea6\u5b9a\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u6211\u4eec\u6240\u9700\u8981\u7684\u4fe1\u606f\u4e86<\/p>\n

\u6211\u4eec\u5c06\u8fd9\u79cd\u5b57\u7b26\u548c\u6570\u5b57\u5bf9\u5e94\u7684\u89c4\u5219\u6210\u4e3a\u5b57\u7b26\u7f16\u7801\uff08Character Encoding\uff09<\/strong>\u3002<\/p>\n

\u6211\u4eec\u4e0a\u9762\u4f7f\u7528\u7684\u201c\u5b57\u7b26\u7f16\u7801\u201d\u5305\u542b\u4e8626\u4e2a\u62c9\u4e01\u5b57\u6bcd\uff0c\u8fd9\u662f\u4e00\u4e2a\u96c6\u5408\uff0c\u6211\u4eec\u5c06\u5176\u79f0\u4e3a\u5b57\u7b26\u96c6\uff08Charset\uff09<\/strong><\/p>\n

\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\u53ef\u4ee5\u5305\u542b\u4e0d\u540c\u7684\u5b57\u7b26\uff08\u5982\u4e2d\u6587\uff0c\u62c9\u4e01\u5b57\u6bcd\uff0c\u65e5\u8bed\uff09\uff0c\u800c\u5bf9\u4e8e\u76f8\u540c\u7684\u5b57\u7b26\u96c6\u5374\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u5b57\u7b26\u7f16\u7801\uff08\u53ea\u8981\u5b83\u4eec\u7684\u5bf9\u5e94\u89c4\u5219\u4e0d\u540c\uff09<\/p>\n

\u663e\u7136\uff0c\u8c01\u90fd\u53ef\u4ee5\u63d0\u51fa\u4e00\u5957\u548c\u522b\u4eba\u4e0d\u540c\u7684\u81ea\u5df1\u7684\u7f16\u7801\u65b9\u6848\uff0c\u4f46\u662f\u8fd9\u6837\u4e5f\u663e\u7136\u4f1a\u9020\u6210\u6df7\u4e71\uff0c\u56e0\u4e3a\u4e0d\u540c\u7684\u5bf9\u5e94\u89c4\u5219\u4f1a\u5f97\u5230\u5b8c\u5168\u4e0d\u540c\u7684\u5b57\u7b26\u3002\uff08\u5982\u679c\u4f60\u9047\u5230\u8fc7\u4e71\u7801\u7684\u60c5\u51b5\uff0c\u90a3\u4e48\u4f60\u5e94\u8be5\u6df1\u6709\u4f53\u4f1a\uff09<\/p>\n

\u7f8e\u56fd\u6709\u5173\u7684\u6807\u51c6\u5316\u7ec4\u7ec7\u5c31\u51fa\u53f0\u4e86\u6240\u8c13\u7684ASCII\u7f16\u7801\uff08American Standard Code for Information Interchange\uff0c\u7f8e\u56fd\u6807\u51c6\u4fe1\u606f\u4ea4\u6362\u4ee3\u7801<\/span>\uff09\uff0c\u7edf\u4e00\u89c4\u5b9a\u4e86\u4e0a\u8ff0\u5e38\u7528\u7b26\u53f7\u7528\u54ea\u4e9b\u4e8c\u8fdb\u5236\u6570\u6765\u8868\u793a\u3002\u4e00\u5f00\u59cb\u8fd9\u662f\u4e00\u4e2a\u7f8e\u56fd\u7684\u56fd\u5bb6\u6807\u51c6\uff0c\u7136\u540e\u88ab\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\uff08International Organization for Standardization, ISO\uff09\u5b9a\u4e3a\u56fd\u9645\u6807\u51c6\uff0c\u79f0\u4e3aISO 646\u6807\u51c6\u3002<\/p>\n

\u5b83\u662f\u76ee\u524d\u6700\u901a\u7528\u7684\uff08\u5355\u5b57\u8282\uff09\u7f16\u7801\u7cfb\u7edf\uff0cASCII\u7684\u957f\u5ea6\u662f1\u5b57\u8282\uff0c\u4e5f\u5c31\u662f8\u4f4d\uff0c\u7406\u8bba\u4e0a\u6765\u8bf4\u6700\u591a\u53ef\u4ee5\u4fdd\u5b58256\u8fc7\u5b57\u7b26\u3002\u4f46\u662f\u5728\u6807\u51c6ASCII\u4e2d\u53ea\u4f7f\u7528\u540e7\u4f4d\uff0c\u7b2c\u4e00\u4f4d\u6c38\u8fdc\u4e3a0\uff0c\u56e0\u6b64\u5b83\u53ea\u80fd\u4fdd\u5b58128\u4e2a\u5b57\u7b26\u3002\u770b\u4f3c\u5f88\u5c11\uff0c\u5b9e\u9645\u4e0a\u5bf9\u4e8e\u65e5\u5e38\u82f1\u8bed\u6765\u8bf4\u662f\u52c9\u5f3a\u591f\u7528\u7684\u3002<\/p>\n

ASCII\u53ef\u4ee5\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206\uff0c\u7b2c\u4e00\u90e8\u5206\u53eb\u505a\u63a7\u5236\u5b57\u7b26\uff0c\u7b2c\u4e8c\u90e8\u5206\u662f\u663e\u793a\u5b57\u7b26\u3002<\/p>\n

\u5b57\u7b26\u4e0d\u4e00\u5b9a\u90fd\u662f\u80fd\u76f4\u89c2\u663e\u793a\u51fa\u6765\u7684\uff0c\u6bd4\u5982\u4f60\u5728\u6253\u5b57\u4e2d\u7ecf\u5e38\u4f7f\u7528\u7684\u56de\u8f66\u952e\uff08\u8bf7\u4e0d\u8981\u8ba4\u4e3a\u56de\u8f66\u4e0d\u662f\u4e00\u4e2a\u5b57\u7b26\uff09\u3002\u5b83\u4e0d\u80fd\u663e\u793a\u51fa\u6765\uff0c\u4f46\u662f\u5374\u53ef\u4ee5\u63a7\u5236\u663e\u793a\u51fa\u6765\u7684\u7b26\u53f7\uff0c\u8fd9\u4e5f\u6b63\u662f\u8fd9\u4e9b\u7b26\u53f7\u7684\u4f5c\u7528\u3002<\/p>\n

\u63a7\u5236\u5b57\u7b26\u4e00\u5171\u670932\u4e2a\uff0c\u5982\u4e0b\u8868<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
\u4e8c\u8fdb\u5236<\/th>\u5341\u8fdb\u5236<\/th>\u5341\u516d\u8fdb\u5236<\/th>\u7f29\u5199\/\u5b57\u7b26<\/th>\u610f\u4e49<\/th>\n<\/tr>\n<\/thead>\n
00000000<\/td>0<\/td>00<\/td>NUL(null)<\/td>\u7a7a\u5b57\u7b26<\/td>\n<\/tr>\n
00000001<\/td>1<\/td>01<\/td>SOH(start of headling)<\/td>\u6807\u9898\u5f00\u59cb<\/td>\n<\/tr>\n
00000010<\/td>2<\/td>02<\/td>STX (start of text)<\/td>\u6b63\u6587\u5f00\u59cb<\/td>\n<\/tr>\n
00000011<\/td>3<\/td>03<\/td>ETX (end of text)<\/td>\u6b63\u6587\u7ed3\u675f<\/td>\n<\/tr>\n
00000100<\/td>4<\/td>04<\/td>EOT (end of transmission)<\/td>\u4f20\u8f93\u7ed3\u675f<\/td>\n<\/tr>\n
00000101<\/td>5<\/td>05<\/td>ENQ (enquiry)<\/td>\u8bf7\u6c42<\/td>\n<\/tr>\n
00000110<\/td>6<\/td>06<\/td>ACK (acknowledge)<\/td>\u6536\u5230\u901a\u77e5<\/td>\n<\/tr>\n
00000111<\/td>7<\/td>07<\/td>BEL (bell)<\/td>\u54cd\u94c3<\/td>\n<\/tr>\n
00001000<\/td>8<\/td>08<\/td>BS (backspace)<\/td>\u9000\u683c<\/td>\n<\/tr>\n
00001001<\/td>9<\/td>09<\/td>HT (horizontal tab)<\/td>\u6c34\u5e73\u5236\u8868\u7b26<\/td>\n<\/tr>\n
00001010<\/td>10<\/td>0A<\/td>LF (NL line feed, new line)<\/td>\u6362\u884c\u952e<\/td>\n<\/tr>\n
00001011<\/td>11<\/td>0B<\/td>VT (vertical tab)<\/td>\u5782\u76f4\u5236\u8868\u7b26<\/td>\n<\/tr>\n
00001100<\/td>12<\/td>0C<\/td>FF (NP form feed, new page)<\/td>\u6362\u9875\u952e<\/td>\n<\/tr>\n
00001101<\/td>13<\/td>0D<\/td>CR (carriage return)<\/td>\u56de\u8f66\u952e<\/td>\n<\/tr>\n
00001110<\/td>14<\/td>0E<\/td>SO (shift out)<\/td>\u4e0d\u7528\u5207\u6362<\/td>\n<\/tr>\n
00001111<\/td>15<\/td>0F<\/td>SI (shift in)<\/td>\u542f\u7528\u5207\u6362<\/td>\n<\/tr>\n
00010000<\/td>16<\/td>10<\/td>DLE (data link escape)<\/td>\u6570\u636e\u94fe\u8def\u8f6c\u4e49<\/td>\n<\/tr>\n
00010001<\/td>17<\/td>11<\/td>DC1 (device control 1)<\/td>\u8bbe\u5907\u63a7\u52361<\/td>\n<\/tr>\n
00010010<\/td>18<\/td>12<\/td>DC2 (device control 2)<\/td>\u8bbe\u5907\u63a7\u52362<\/td>\n<\/tr>\n
00010011<\/td>19<\/td>13<\/td>DC3 (device control 3)<\/td>\u8bbe\u5907\u63a7\u52363<\/td>\n<\/tr>\n
00010100<\/td>20<\/td>14<\/td>DC4 (device control 4)<\/td>\u8bbe\u5907\u63a7\u52364<\/td>\n<\/tr>\n
00010101<\/td>21<\/td>15<\/td>NAK (negative acknowledge)<\/td>\u62d2\u7edd\u63a5\u6536<\/td>\n<\/tr>\n
00010110<\/td>22<\/td>16<\/td>SYN (synchronous idle)<\/td>\u540c\u6b65\u7a7a\u95f2<\/td>\n<\/tr>\n
00010111<\/td>23<\/td>17<\/td>ETB (end of trans. block)<\/td>\u4f20\u8f93\u5757\u7ed3\u675f<\/td>\n<\/tr>\n
00011000<\/td>24<\/td>18<\/td>CAN (cancel)<\/td>\u53d6\u6d88<\/td>\n<\/tr>\n
00011001<\/td>25<\/td>19<\/td>EM (end of medium)<\/td>\u4ecb\u8d28\u4e2d\u65ad<\/td>\n<\/tr>\n
00011010<\/td>26<\/td>1A<\/td>SUB (substitute)<\/td>\u66ff\u8865<\/td>\n<\/tr>\n
00011011<\/td>27<\/td>1B<\/td>ESC (escape)<\/td>\u6ea2\u51fa<\/td>\n<\/tr>\n
00011100<\/td>28<\/td>1C<\/td>FS (file separator)<\/td>\u6587\u4ef6\u5206\u5272\u7b26<\/td>\n<\/tr>\n
00011101<\/td>29<\/td>1D<\/td>GS (group separator)<\/td>\u5206\u7ec4\u7b26<\/td>\n<\/tr>\n
00011110<\/td>30<\/td>1E<\/td>RS (record separator)<\/td>\u8bb0\u5f55\u5206\u79bb\u7b26<\/td>\n<\/tr>\n
00011111<\/td>31<\/td>1F<\/td>US (unit separator)<\/td>\u5355\u5143\u5206\u9694\u7b26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

\u6211\u4eec\u4e0d\u7528\u53bb\u80cc\u90a3\u4e9b\u5b57\u7b26\u7684ASCII\u662f\u591a\u5c11\u3002<\/p>\n

\u6709\u4e9b\u7b26\u53f7\u4e00\u5b9a\u8ba9\u4f60\u611f\u5230\u5f88\u5947\u602a\uff0c\u6bd4\u5982\u201c\u4f20\u8f93\u5f00\u59cb\u201d\uff0c\u8fd9\u548c\u8ba1\u7b97\u673a\u597d\u50cf\u642d\u4e0d\u4e0a\u8fb9\u554a\u3002<\/p>\n

\u8fd9\u662f\u56e0\u4e3aASCII\u4e0d\u4ec5\u4ec5\u662f\u4e3a\u8ba1\u7b97\u673a\u4e4b\u95f4\u901a\u4fe1\u800c\u8bbe\u8ba1\uff0c\u5728\u8ba1\u7b97\u673a\u4e0e\u6253\u5370\u673a\u4e4b\u95f4\u4f20\u9012\u4fe1\u606f\u65f6\u540c\u6837\u4e5f\u4f7f\u7528ASCII\uff08\u81f3\u5c11\u5728\u4ee5\u524d\u662f\u8fd9\u6837\uff09<\/p>\n

\u800c\u8fd9\u4e9b\u63a7\u5236\u5b57\u7b26\uff0c\u5927\u591a\u662f\u7528\u4e8e\u6253\u5370\u673a\u8fdb\u884c\u5b9a\u4f4d\u7684<\/p>\n

\u5728\u63a7\u5236\u5b57\u7b26\u4e4b\u540e\uff0c\u5c31\u662f\u53ef\u4ee5\u663e\u793a\u51fa\u6765\u7684\u5b57\u7b26\u4e86\u3002\u5b83\u4eec\u662f\u4f60\u53ef\u4ee5\u76f4\u63a5\u770b\u5230\u7684\u6709\u5f62\u72b6\u7684\u56fe\u50cf\u3002<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
\u4e8c\u8fdb\u5236<\/th>\u5341\u8fdb\u5236<\/th>\u5341\u516d\u8fdb\u5236<\/th>\u5b57\u7b26<\/th>\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
100000<\/td>32<\/td>20<\/td>(space)<\/td>\u7a7a\u683c<\/td>\n<\/tr>\n
100001<\/td>33<\/td>21<\/td>!<\/td><\/td>\n<\/tr>\n
100010<\/td>34<\/td>22<\/td>\"<\/td><\/td>\n<\/tr>\n
100011<\/td>35<\/td>23<\/td>#<\/td><\/td>\n<\/tr>\n
100100<\/td>36<\/td>24<\/td>$<\/td><\/td>\n<\/tr>\n
100101<\/td>37<\/td>25<\/td>%<\/td><\/td>\n<\/tr>\n
100110<\/td>38<\/td>26<\/td>&<\/td><\/td>\n<\/tr>\n
100111<\/td>39<\/td>27<\/td>'<\/td><\/td>\n<\/tr>\n
101000<\/td>40<\/td>28<\/td>(<\/td><\/td>\n<\/tr>\n
101001<\/td>41<\/td>29<\/td>)<\/td><\/td>\n<\/tr>\n
101010<\/td>42<\/td>2A<\/td>*<\/td><\/td>\n<\/tr>\n
101011<\/td>43<\/td>2B<\/td>+<\/td><\/td>\n<\/tr>\n
101100<\/td>44<\/td>2C<\/td>,<\/td><\/td>\n<\/tr>\n
101101<\/td>45<\/td>2D<\/td>-<\/td><\/td>\n<\/tr>\n
101110<\/td>46<\/td>2E<\/td>.<\/td><\/td>\n<\/tr>\n
101111<\/td>47<\/td>2F<\/td>\/<\/td><\/td>\n<\/tr>\n
110000<\/td>48<\/td>30<\/td>0<\/td><\/td>\n<\/tr>\n
110001<\/td>49<\/td>31<\/td>1<\/td><\/td>\n<\/tr>\n
110010<\/td>50<\/td>32<\/td>2<\/td><\/td>\n<\/tr>\n
110011<\/td>51<\/td>33<\/td>3<\/td><\/td>\n<\/tr>\n
110100<\/td>52<\/td>34<\/td>4<\/td><\/td>\n<\/tr>\n
110101<\/td>53<\/td>35<\/td>5<\/td><\/td>\n<\/tr>\n
110110<\/td>54<\/td>36<\/td>6<\/td><\/td>\n<\/tr>\n
110111<\/td>55<\/td>37<\/td>7<\/td><\/td>\n<\/tr>\n
111000<\/td>56<\/td>38<\/td>8<\/td><\/td>\n<\/tr>\n
111001<\/td>57<\/td>39<\/td>9<\/td><\/td>\n<\/tr>\n
111010<\/td>58<\/td>3A<\/td>:<\/td><\/td>\n<\/tr>\n
111011<\/td>59<\/td>3B<\/td>;<\/td><\/td>\n<\/tr>\n
111100<\/td>60<\/td>3C<\/td><<\/td><\/td>\n<\/tr>\n
111101<\/td>61<\/td>3D<\/td>=<\/td><\/td>\n<\/tr>\n
111110<\/td>62<\/td>3E<\/td>><\/td><\/td>\n<\/tr>\n
111111<\/td>63<\/td>3F<\/td>?<\/td><\/td>\n<\/tr>\n
1000000<\/td>64<\/td>40<\/td>@<\/td><\/td>\n<\/tr>\n
1000001<\/td>65<\/td>41<\/td>A<\/td><\/td>\n<\/tr>\n
1000010<\/td>66<\/td>42<\/td>B<\/td><\/td>\n<\/tr>\n
1000011<\/td>67<\/td>43<\/td>C<\/td><\/td>\n<\/tr>\n
1000100<\/td>68<\/td>44<\/td>D<\/td><\/td>\n<\/tr>\n
1000101<\/td>69<\/td>45<\/td>E<\/td><\/td>\n<\/tr>\n
1000110<\/td>70<\/td>46<\/td>F<\/td><\/td>\n<\/tr>\n
1000111<\/td>71<\/td>47<\/td>G<\/td><\/td>\n<\/tr>\n
1001000<\/td>72<\/td>48<\/td>H<\/td><\/td>\n<\/tr>\n
1001001<\/td>73<\/td>49<\/td>I<\/td><\/td>\n<\/tr>\n
1001010<\/td>74<\/td>4A<\/td>J<\/td><\/td>\n<\/tr>\n
1001011<\/td>75<\/td>4B<\/td>K<\/td><\/td>\n<\/tr>\n
1001100<\/td>76<\/td>4C<\/td>L<\/td><\/td>\n<\/tr>\n
1001101<\/td>77<\/td>4D<\/td>M<\/td><\/td>\n<\/tr>\n
1001110<\/td>78<\/td>4E<\/td>N<\/td><\/td>\n<\/tr>\n
1001111<\/td>79<\/td>4F<\/td>O<\/td><\/td>\n<\/tr>\n
1010000<\/td>80<\/td>50<\/td>P<\/td><\/td>\n<\/tr>\n
1010001<\/td>81<\/td>51<\/td>Q<\/td><\/td>\n<\/tr>\n
1010010<\/td>82<\/td>52<\/td>R<\/td><\/td>\n<\/tr>\n
1010011<\/td>83<\/td>53<\/td>S<\/td><\/td>\n<\/tr>\n
1010100<\/td>84<\/td>54<\/td>T<\/td><\/td>\n<\/tr>\n
1010101<\/td>85<\/td>55<\/td>U<\/td><\/td>\n<\/tr>\n
1010110<\/td>86<\/td>56<\/td>V<\/td><\/td>\n<\/tr>\n
1010111<\/td>87<\/td>57<\/td>W<\/td><\/td>\n<\/tr>\n
1011000<\/td>88<\/td>58<\/td>X<\/td><\/td>\n<\/tr>\n
1011001<\/td>89<\/td>59<\/td>Y<\/td><\/td>\n<\/tr>\n
1011010<\/td>90<\/td>5A<\/td>Z<\/td><\/td>\n<\/tr>\n
1011011<\/td>91<\/td>5B<\/td>[<\/td><\/td>\n<\/tr>\n
1011100<\/td>92<\/td>5C<\/td>\\<\/td><\/td>\n<\/tr>\n
1011101<\/td>93<\/td>5D<\/td>]<\/td><\/td>\n<\/tr>\n
1011110<\/td>94<\/td>5E<\/td>^<\/td><\/td>\n<\/tr>\n
1011111<\/td>95<\/td>5F<\/td>_<\/td><\/td>\n<\/tr>\n
1100000<\/td>96<\/td>60<\/td>`<\/td><\/td>\n<\/tr>\n
1100001<\/td>97<\/td>61<\/td>a<\/td><\/td>\n<\/tr>\n
1100010<\/td>98<\/td>62<\/td>b<\/td><\/td>\n<\/tr>\n
1100011<\/td>99<\/td>63<\/td>c<\/td><\/td>\n<\/tr>\n
1100100<\/td>100<\/td>64<\/td>d<\/td><\/td>\n<\/tr>\n
1100101<\/td>101<\/td>65<\/td>e<\/td><\/td>\n<\/tr>\n
1100110<\/td>102<\/td>66<\/td>f<\/td><\/td>\n<\/tr>\n
1100111<\/td>103<\/td>67<\/td>g<\/td><\/td>\n<\/tr>\n
1101000<\/td>104<\/td>68<\/td>h<\/td><\/td>\n<\/tr>\n
1101001<\/td>105<\/td>69<\/td>i<\/td><\/td>\n<\/tr>\n
1101010<\/td>106<\/td>6A<\/td>j<\/td><\/td>\n<\/tr>\n
1101011<\/td>107<\/td>6B<\/td>k<\/td><\/td>\n<\/tr>\n
1101100<\/td>108<\/td>6C<\/td>l<\/td><\/td>\n<\/tr>\n
1101101<\/td>109<\/td>6D<\/td>m<\/td><\/td>\n<\/tr>\n
1101110<\/td>110<\/td>6E<\/td>n<\/td><\/td>\n<\/tr>\n
1101111<\/td>111<\/td>6F<\/td>o<\/td><\/td>\n<\/tr>\n
1110000<\/td>112<\/td>70<\/td>p<\/td><\/td>\n<\/tr>\n
1110001<\/td>113<\/td>71<\/td>q<\/td><\/td>\n<\/tr>\n
1110010<\/td>114<\/td>72<\/td>r<\/td><\/td>\n<\/tr>\n
1110011<\/td>115<\/td>73<\/td>s<\/td><\/td>\n<\/tr>\n
1110100<\/td>116<\/td>74<\/td>t<\/td><\/td>\n<\/tr>\n
1110101<\/td>117<\/td>75<\/td>u<\/td><\/td>\n<\/tr>\n
1110110<\/td>118<\/td>76<\/td>v<\/td><\/td>\n<\/tr>\n
1110111<\/td>119<\/td>77<\/td>w<\/td><\/td>\n<\/tr>\n
1111000<\/td>120<\/td>78<\/td>x<\/td><\/td>\n<\/tr>\n
1111001<\/td>121<\/td>79<\/td>y<\/td><\/td>\n<\/tr>\n
1111010<\/td>122<\/td>7A<\/td>z<\/td><\/td>\n<\/tr>\n
1111011<\/td>123<\/td>7B<\/td>{<\/td><\/td>\n<\/tr>\n
1111100<\/td>124<\/td>7C<\/td>|<\/td><\/td>\n<\/tr>\n
1111101<\/td>125<\/td>7D<\/td>}<\/td><\/td>\n<\/tr>\n
1111110<\/td>126<\/td>7E<\/td>~<\/td><\/td>\n<\/tr>\n
1111111<\/td>127<\/td>7F<\/td>DEL (delete)<\/td>\u5220\u9664<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

\u5176\u5b9e\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u4e5f\u662f\u4e0d\u53ef\u663e\u793a\u7684\uff0c\u8fd9\u4e2a\u5b57\u7b26\u4e5f\u5c31\u662fdelete\u952e\u8f93\u5165\u7684\u7ed3\u679c\u3002<\/p>\n

\u5f88\u660e\u663e\uff0c0-9,a-z,A-Z\u90fd\u662f\u6309\u7167\u987a\u5e8f\u6392\u597d\u7684\uff0c\u540e\u9762\u6211\u4eec\u4fbf\u53ef\u4ee5\u770b\u5230\u8fd9\u6837\u8bbe\u8ba1\u7684\u597d\u5904\u3002<\/p>\n

\u65e2\u7136\u5df2\u7ecf\u8ba4\u8bc6\u4e86ASCII\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u6765\u770b\u770b\uff0c\u600e\u4e48\u8ba9\u53d8\u91cf\u4fdd\u5b58\u5b57\u7b26\u3002<\/p>\n

\u4e0a\u9762\u8bf4\u9053\u8fc7\uff0c\u4f60\u4e0d\u9700\u8981\u8bb0\u4f4f\u5b57\u7b26\u5bf9\u5e94\u7684ASCII\uff08\u4f60\u4e5f\u8bb0\u4e0d\u4f4f\uff09\uff0c\u56e0\u4e3a\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u5b57\u7b26\uff0c\u4ed6\u4eec\u5c31\u662f\u6570\u5b57\u3002<\/p>\n

(\u8fd9\u91cc\u6709\u4e00\u70b9\u9700\u8981\u5f3a\u8c03\u7684\uff0c\u6709\u4e9b\u521d\u5b66\u8005\u8ba4\u4e3aASCII\u5b57\u7b26\u548c\u6570\u5b57\u95f4\u9700\u8981\u8f6c\u6362\uff0c\u8fd9\u79cd\u8ba4\u8bc6\u662f\u9519\u8bef\u7684\uff0c\u8981\u77e5\u9053ASCII\u53ea\u662f\u4e00\u79cd\u5b57\u7b26\u548c\u6570\u5b57\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u5b57\u6bcda\u7684ASCII\u662f97\uff0c\u90a3\u4e48\u5728\u663e\u793a\u65f6\u5982\u679c\u5c0697\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u7b26\uff0c\u90a3\u4e48\u5c31\u4f1a\u663e\u793a\u51fa\u5b57\u6bcda\uff0c\u5982\u679c\u4f5c\u4e3a\u6570\u5b57\uff0c\u5c31\u4f1a\u663e\u793a\u6570\u5b5797\uff0c\u5728\u8ba1\u7b97\u673a\u770b\u6765\uff0cASCII\u5b57\u7b26\u548c\u6570\u5b57\u662f\u6ca1\u6709\u4efb\u4f55\u533a\u522b\u7684)<\/p>\n

c\u8bed\u8a00\u4e2d\u5728\u5355\u5f15\u53f7\u4e2d\u62ec\u8d77\u6765\u7684\u6570\u636e\u5c31\u662f\u4e00\u4e2a\u5b57\u7b26\u3002\u6bd4\u5982’a’\uff0c\u4ed6\u7684\u503c\u5c31\u662f97\u3002<\/p>\n

\u6ce8\u610f\uff0c’0’\u662f\u4e0d\u7b49\u4e8e0\u7684\uff0c’0’\u7684\u503c\u662f\u201c0\u201d\u8fd9\u4e2a\u5b57\u7b26\u6240\u5bf9\u5e94\u7684ASCII\u7801\uff0c\u4e5f\u5c31\u662f48.<\/p>\n

\u5bf9\u53d8\u91cf\u8d4b\u503c\u4e5f\u5f88\u7b80\u5355\uff0c\u5c31\u50cf\u6570\u5b57\u4e00\u6837\u4f7f\u7528<\/p>\n

char ch = ‘a’;\/\/ch\u7684\u503c\u662f97,\u4e5f\u5c31\u662fa\u5b57\u7b26\u7684ascii<\/p>\n

ch = ch – 32;\/\/ch\u7684\u503c\u53d8\u6210\u4e8665,\u4e5f\u5c31\u662f\u5927\u5199A\u7684ASCII<\/p>\n

\u8fd9\u6837\uff0c\u5982\u679c\u518d\uff08\u4ee5\u5b57\u7b26\u65b9\u5f0f\uff09\u8f93\u51fach\uff0c\u4f60\u4f1a\u53d1\u73b0\u662fA\u800c\u4e0d\u662fa\u4e86<\/p>\n

\u5728\u4f60\u5f00\u59cb\u5e86\u5e78\u4e0d\u9700\u8981\u80ccASCII\u8868\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e2a\u95ee\u9898\u3002\u90a3\u5c31\u662f\u5982\u4f55\u8868\u793a\u56de\u8f66\uff1f<\/p>\n

\u8fd9\u8fd8\u4e0d\u7b80\u5355\u561b\uff0c\u7528 ‘ ‘\u00a0 <\/strong>\u5305\u62ec\u8d77\u6765\u561b\uff01<\/p>\n

‘<\/em><\/strong><\/p>\n

‘<\/em><\/strong><\/p>\n

\u8fd9\u6837\u5199\uff1f\u8fd9\u6837\u5c31\u9519\u4e86\uff0c\u7f16\u8bd1\u5668\u4f1a\u5c06\u4f60\u8f93\u5165\u7684\u56de\u8f66\u5f53\u4f5c\u7a7a\u767d\u7b26\u53f7\uff0c\u4ece\u800c\u5c06\u4e24\u4e2a”\u5206\u5f00\u6765\u770b\uff01<\/p>\n

\u600e\u4e48\u529e\uff01\uff01\uff01<\/p>\n

\u5f53\u7136\u6709\u529e\u6cd5<\/p>\n

\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u4e00\u79cd\u53eb\u505a\u201c\u8f6c\u4e49\u5b57\u7b26\u201d\u7684\u4e1c\u897f\u3002\u56e0\u4e3a\u6709\u4e9b\u5b57\u7b26\u5728\u7f16\u7a0b\u4e2d\u4f1a\u5f15\u8d77\u6b67\u4e49\uff0c\u6216\u8005\u662f\u8fd9\u79cd\u5b57\u7b26\u952e\u76d8\u6839\u672c\u6253\u4e0d\u51fa\u6765\uff0c\u4eba\u4eec\u5c31\u7ed9\u4ed6\u8d77\u4e86\u4e2a\u201c\u522b\u540d\u201d<\/p>\n

\u8f6c\u4e49\u5b57\u7b26\u4ee5\u201c\\\u201d\u5f00\u59cb\uff0c\u540e\u9762\u8ddf\u4e00\u4e2a\u5b57\u6bcd\u6216\u6570\u5b57\uff0c\\\u8868\u793a\u540e\u9762\u7684\u5b57\u7b26\u5931\u53bb\u4e86\u5b83\u672c\u6765\u7684\u610f\u601d<\/p>\n

\"\u8f6c\u4e49\u5b57\u7b26\"<\/a>

\u8f6c\u4e49\u5b57\u7b26<\/p><\/div>\n

\u4f46\u662f\u8fd9\u4e2d\u95f4\u4e5f\u6709\u7279\u6b8a\u60c5\u51b5\uff0c\u6bd4\u5982\\\u8fd9\u4e2a\u5b57\u7b26\u3002\u56e0\u4e3a' '\u4e4b\u95f4\u53ea\u80fd\u8868\u793a\u4e00\u4e2a\u5b57\u7b26\uff0c\u6240\u4ee5\u5199\u6210'\\'\u5e76\u4e0d\u4f1a\u5f15\u8d77\u6b67\u4e49\uff0c\u6240\u4ee5\u8fd9\u79cd\u5199\u6cd5\u662f\u6b63\u786e\u7684\u3002\u4f46\u662f\u5728\u5b57\u7b26\u4e32\u4e2d(\u4f7f\u7528\"\"\u5305\u62ec)\uff0c\u7531\u4e8e\u5b57\u7b26\u6570\u91cf\u4e0d\u80fd\u786e\u5b9a\uff0c\u5c31\u4e0d\u80fd\u8fd9\u6837\u5199\uff08\"\\\"\u8fd9\u79cd\u5199\u6cd5\u662f\u9519\u8bef\u7684\uff0c\u7b2c\u4e00\u4e2a\u53cc\u5f15\u53f7\u88ab\u4f5c\u4e3a\u5b57\u7b26\u4e32\u7684\u5f00\u59cb\u6807\u5fd7\uff0c\u968f\u540e\u7684\\\u548c\"\u88ab\u89c6\u4f5c\u4e3a\u4e00\u4e2a\u8f6c\u4e49\u5b57\u7b26\uff0c\u5b83\u4ee3\u8868\u7684\u662f\u5b57\u7b26\"\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u7ed3\u675f\u7684\u6807\u5fd7\uff09\u3002 \u6ce8\u610f\u5728\u8868\u7684\u6700\u540e\u4e24\u884c\uff0c\u6709\u4e00\u4e2a\\ddd \u548c \\xhh\u3002\u8fd9\u662fASCII\u7801\u7684\u4e24\u79cd\u7279\u6b8a\u8868\u793a\u5f62\u5f0f\u3002\u5982\u679c\u60f3\u7528\u516b\u8fdb\u5236ASCII\u7801\u8868\u793a\u5b57\u7b26\uff0c\u53ef\u4ee5\u5728\u516b\u8fdb\u5236\u6570\u524d\u9762\u52a0\u4e0a\u00a0\\\u00a0\uff0c\u7136\u540e\u7528\u5355\u5f15\u53f7\u5f15\u8d77\u6765\u3002\u4f8b\u5982\uff1a beep = '\\007';\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6253\u5934\u7684\u90a3\u4e9b0\u53ef\u4ee5\u7701\u7565\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5199\u6210\u00a0'\\07'\u00a0\u6216\u8005\u00a0'\\7'\u00a0\u90fd\u4e00\u6837\u3002\u65e0\u8bba\u6709\u6ca1\u6709\u6253\u5934\u76840\u00a0\uff0c7\u00a0\u90fd\u4f1a\u88ab\u5f53\u6210\u516b\u8fdb\u5236\u6570\u5904\u7406\u3002 \u81f3\u4e8e16\u8fdb\u5236\uff0c\u5219\u9700\u8981\u7528x\u5f00\u5934\u3002\u4f8b\u5982\uff1a l = '\\xa'; \u6b64\u5916\uff0c\u5c3d\u7ba1\u00a0'\\n'\u548c\u00a0'\\xa'\u00a0\uff0c'\\a'\u00a0\u548c\u00a0'\\007'\u00a0\u662f\u7b49\u4ef7\u7684\uff0c\u4f46\u662f\u6211\u4eec\u5e94\u8be5\u5c3d\u53ef\u80fd\u4f7f\u7528\u00a0'\\n'\u00a0\u548c\u00a0'\\a'\uff0c\u800c\u4e0d\u8981\u7528\u00a0'\\xa'\u00a0\u548c\u00a0'\\007'\u00a0\u3002\u8fd9\u662f\u56e0\u4e3a\u524d\u8005\u66f4\u76f4\u89c2\uff0c\u5426\u5219\u4f60\u8fd8\u8981\u7ffb\u8868\u624d\u80fd\u77e5\u9053\u5b83\u4ee3\u8868\u4ec0\u4e48\u5b57\u7b26\u3002 \u5f53\u6211\u4eec\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u8f6c\u79fb\u5b57\u7b26\u7684\u65f6\u5019\uff0c\u9700\u8981\u6ce8\u610f\u3002\u5982\u679c\u53cd\u659c\u6760\u540e\u9762\u7684\u5b57\u7b26\u4e0d\u80fd\u6784\u6210\u8f6c\u4e49\u5b57\u7b26\u3002\u53cd\u659c\u6760\u5c06\u88ab\u5ffd\u7565\uff0c\u5982 \"ab\\cde\\fg\" \u5b83\u548c\"abcde\\fg\"\u7b49\u4ef7 \u6700\u540e\u6211\u4eec\u6765\u5b66\u4e60\u5b57\u7b26\u7684\u8f93\u51fa\uff0c \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528putc\u6765\u8f93\u51fa\u4e00\u4e2a\u5b57\u7b26\uff0c\u4f7f\u7528puts\u6765\u8f93\u51fa\u4e00\u4e2a\u5b57\u7b26\u4e32<\/pre>\n
\r\n#include <stdio.h>\r\n\r\nint main(void)\r\n{\r\nchar a = 'a';\r\nputc(a);\r\nputc('\\n');\r\na = a - 32;\r\nputc(a);\r\nputs("\\nHello!\\n")\uff1b\r\nreturn 0;\r\n}\r\n<\/pre>\n
\u8bf7\u7f16\u8bd1\u5e76\u8fd0\u884c\u6b64\u7a0b\u5e8f\uff0c\u4f53\u4f1a\u672c\u6587\u4e2d\u6240\u5b66\u5230\u7684\u77e5\u8bc6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u73b0\u5728\uff0c\u6211\u4eec\u518d\u6765\u4e86\u89e3\u4e00\u4e0bASCII\u3002 \u524d\u9762\u6211\u4eec\u63d0\u5230\u8fc7\uff0c\u5b57\u7b26\u5728\u8ba1\u7b97\u673a\u4e2d\u662f\u4ee5\u6570\u5b57\u6765\u4fdd\u5b58\u7684\u3002 \u800c\u5b57\u7b26\u7684\u672c\u8d28\uff0c\u5176\u5b9e\u662f\u4e00\u4e2a\u2026 Read More: 2.5\u3001ASCII »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-272","post","type-post","status-publish","format-standard","hentry","category-c"],"views":3007,"_links":{"self":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/272","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=272"}],"version-history":[{"count":4,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions"}],"predecessor-version":[{"id":594,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions\/594"}],"wp:attachment":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}