{"id":1381,"date":"2009-09-26T00:40:10","date_gmt":"2009-09-25T16:40:10","guid":{"rendered":"http:\/\/blog.smallken.ink\/2009\/09\/26\/java\/1381.html"},"modified":"2009-09-26T00:40:30","modified_gmt":"2009-09-25T16:40:30","slug":"%e6%b0%91%e5%9c%8b%e7%99%be%e5%b9%b4%e5%a4%a7%e8%a8%88%e4%b9%8b%e8%b3%87%e6%96%99%e8%bd%89%e6%8f%9b%e9%99%b7%e9%98%b1","status":"publish","type":"post","link":"https:\/\/blog.smallken.site\/?p=1381","title":{"rendered":"\u6c11\u570b\u767e\u5e74\u5927\u8a08\u4e4b\u8cc7\u6599\u8f49\u63db\u9677\u9631"},"content":{"rendered":"

\u5927\u5bb6\u90fd\u77e5\u9053\u5f88\u591a\u5927\u4e3b\u6a5f(COBOL)\u7684\u65e5\u671f\u8868\u793a\u7684\u5e74\u662f\u7528\u6c11\u570b\u5e74\uff0c\u800c\u4e14\u662f\u53ea\u6709\u5169\u4f4d\u6578\uff0c\u65b0\u820a\u5e73\u53f0\u4e4b\u9593\u7684\u8cc7\u6599\u9700\u8981\u505a\u8f49\u63db\uff0c\u4f8b\u5982 98 \u2192 2009\u3002
\u6700\u8fd1\u5728\u4fee\u6539\u4e00\u500b\u7a0b\u5f0fbug\u767c\u73fe\u4e00\u4ef6\u975e\u5e38\u6709\u8da3\u7684\u4e00\u4ef6\u4e8b\uff0c\u95dc\u65bc\u6c11\u570b\u767e\u5e74\u7684\u8cc7\u6599\u8f49\u63db\uff0c\u8209\u500b\u4f8b\u5b50\uff0c\u5f9e\u820a\u5e73\u53f0\u8cc7\u6599MQ\u56de\u5230\u65b0\u5e73\u53f0\u65e5\u671f\u70ba 00980911\uff0c\u9019\u6a23\u7684\u8cc7\u6599\u4e00\u8defPASS\u5230\u524d\u7aef\u7684Java Script\u5f8c\u5982\u4f55\u8f49\u63db\u70ba\u897f\u5143\u5e74\u5462?
\u7a0b\u5f0f\u539f\u672c\u9019\u6a23\u5beb
\/\/ PAY_DATE_POL =" 00980911"
var  year = (eval(PAY_DATE_POL.substring(0, 4)) + 1911).toString();
\u9019\u6a23\u5beb\u6709\u4ec0\u9ebc\u554f\u984c\u55ce? \u597d\u50cf\u6c92\u554f\u984c\uff0c\u4f46\u4e8b\u5be6\u4e0a\u554f\u984c\u53ef\u5927\u7684\u5462\uff0c\u4ee5\u4e0b\u505a\u5e7e\u9805\u6e2c\u8a66
x = eval("0098")+1911;    \/\/ x \u7d50\u679c\u7b49\u65bc 2009\uff0c\u6b63\u78ba
x = eval("0099")+1911;    \/\/ x \u7d50\u679c\u7b49\u65bc 2010\uff0c\u6b63\u78ba
x = eval("0100")+1911;    \/\/ x \u7d50\u679c\u7b49\u65bc 1975<\/font>\uff0c\u932f\u8aa4
<\/font>x = eval("0101")+1911;    \/\/ x \u7d50\u679c\u7b49\u65bc 1976<\/font>\uff0c\u932f\u8aa4
<\/font>.
.
.
x = eval("0107")+1911;    \/\/ x \u7d50\u679c\u7b49\u65bc 1982<\/font>\uff0c\u932f\u8aa4
<\/font>x = eval("0108")+1911;    \/\/ x \u7d50\u679c\u7b49\u65bc 2019\uff0c\u6b63\u78ba
x = eval("0109")+1911;    \/\/ x \u7d50\u679c\u7b49\u65bc 2020\uff0c\u6b63\u78ba
\u9019\u6bb5\u7a0b\u5f0f\u82e5\u6c92\u6539\u6703\u4e00\u8def\u5f9e\u6c11\u570b100\u5e74\u932f\u5230107\u5e74\uff0c\u4ee5\u4e0a\u7d50\u679c\u53ef\u4ee5\u81ea\u884c\u4e0a\u7db2\u6e2c\u8a66\u770b\u770b http:\/\/www.w3schools.com\/js\/tryit.asp?filename=tryjs_variables<\/a>
\"20090925\"<\/a>
\u539f\u56e0\u70ba\u4f55?
\u8a73\u7d30\u518d\u8ffd\u4e0b\u53bb\uff0c\u932f\u7684\u5730\u65b9\u5728 eval("0100") \u8a08\u7b97\u51fa\u4f86\u7d50\u679c\u5c45\u7136\u662f 64\uff0c\u4ee5\u6b64\u985e\u63a8
eval("0100") =  64
eval("0101") =  65
eval("0102") =  66
eval("0103") =  67
.
.
.
\u986f\u7136Java Script \u7a0b\u5f0f\u8a9e\u8a00\u8ddf\u4f60\u6709\u6e9d\u901a\u6709\u969c\u7919\uff0c\u7a81\u7136\u4e0d\u61c2\u7a0b\u5f0f\u5728\u641e\u4ec0\u9ebc\u9b3c\u4e86\uff1e\uff1c
\u4f46\u662f\u7a81\u7136\u9593\u5728 eval("0108") \u8a08\u7b97\u7d50\u679c\u53c8\u8b8a\u56de\u4e86 108\uff0c\u5475…\u5920\u597d\u73a9\u4e86\u5427<\/p>\n

\u73fe\u5728\u7126\u9ede\u61c9\u8a72\u8981\u653e\u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b "0100" \u6703\u8b8a\u6210 64 ?<\/p>\n

\u516c\u4f48\u7b54\u6848\uff0c\u4e3b\u8981\u539f\u56e0\u662f\u7a0b\u5f0f\u628a "0100" \u89e3\u8b80\u6210\u516b\u9032\u4f4d\u7684\u6578\u503c\u4e86<\/font>\uff0c\u800c\u4e0d\u662f\u6211\u5011\u719f\u6089\u7684\u5341\u9032\u4f4d
0 x 8^3 + 1 x 8^2 + 0 x 8^1 + 0 x 8^0 = 64<\/p>\n

\u90a3\u9ebc "0108" \u53c8\u8b8a\u56de 108 \u7684\u539f\u56e0\u5c31\u662f\u516b\u9032\u4f4d\u6839\u672c\u4e0d\u53ef\u80fd\u67098\u561b\uff0c\u6240\u4ee5\u7a0b\u5f0f\u53c8\u81ea\u52d5\u8a8d\u5b9a\u6210\u5341\u9032\u4f4d\u4e86\uff0c\u539f\u4f86\u90fd\u662fJava Script\u4e00\u5ec2\u60c5\u9858\u7684\u8a8d\u77e5\u7d50\u679c<\/p>\n

\u6240\u4ee5\u5176\u5be6Java Script\u8a9e\u8a00\uff0c\u8cc7\u6599\u578b\u614b\u9019\u90e8\u5206\u4e26\u4e0d\u662f\u975e\u5e38\u56b4\u8b39\u7684\uff0c\u76f8\u8f03\u65bc\u5176\u4ed6\u7684\u6b63\u898f\u8a9e\u8a00\uff0c\u5982: C\/C++\u3001java \u4f86\u8aaa\uff0c\u5728\u5bebJava Script\u6642\u5f88\u5bb9\u6613\u5c31\u6703\u6389\u9032\u9677\u9631\u800c\u4e0d\u81ea\u77e5\u3002<\/p>\n

\u6240\u4ee5\u5efa\u8b70\u4e00\uff0c\u53ef\u4ee5\u7684\u8a71\u5c31\u5728\u820a\u4e3b\u53f0\u5c31\u628a\u8cc7\u6599\u8f49\u63db\u70ba\u56db\u4f4d\u7684\u897f\u5143\u5e74\u3002
\u6216\u8005\u5efa\u8b70\u4e8c\uff0c\u5728java\u4e2d\u7528\u5c31\u628a\u8cc7\u6599\u8f49\u63db\u70ba\u897f\u5143\u5e74\uff0c\u518d\u4e1f\u5230\u524d\u7aef\u7684jsp\u3002
\u518d\u4e0d\u7136\u5efa\u8b70\u4e09\uff0c\u5728Java Script \u4e00\u5b9a\u8981\u7528parseInt()\u51fd\u6578\uff0c\u5f37\u5236\u6307\u5b9a\u8a8d\u5b9a\u5341\u9032\u4f4d
x  = parseInt("0100",10);   \/\/ parseInt(string, radix)
\u9019\u6a23 x \u7684\u7d50\u679c\u5c31\u6703\u662f\u6b63\u78ba\u7684 100 \u56c9^^<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5927\u5bb6\u90fd\u77e5\u9053\u5f88\u591a\u5927\u4e3b\u6a5f(COBOL)\u7684\u65e5\u671f\u8868\u793a\u7684\u5e74\u662f\u7528\u6c11\u570b\u5e74\uff0c\u800c\u4e14\u662f\u53ea\u6709\u5169\u4f4d\u6578\uff0c\u65b0\u820a\u5e73\u53f0\u4e4b\u9593\u7684\u8cc7\u6599\u9700\u8981\u505a\u8f49\u63db\uff0c\u4f8b…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1381","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts\/1381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1381"}],"version-history":[{"count":1,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts\/1381\/revisions"}],"predecessor-version":[{"id":1382,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=\/wp\/v2\/posts\/1381\/revisions\/1382"}],"wp:attachment":[{"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.smallken.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}