{"id":423,"date":"2013-12-04T14:51:05","date_gmt":"2013-12-04T06:51:05","guid":{"rendered":"http:\/\/www.menglanglang.cn\/?p=423"},"modified":"2013-12-05T07:10:15","modified_gmt":"2013-12-04T23:10:15","slug":"java%e4%b8%ad%e5%8e%bb%e6%8e%89%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ad%e6%95%b0%e5%ad%97%e5%89%8d%e7%9a%840","status":"publish","type":"post","link":"http:\/\/www.menglanglang.cn\/?p=423","title":{"rendered":"Java\u4e2d\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u6570\u5b57\u524d\u76840"},"content":{"rendered":"<p><span style=\"font-size: medium;\">\u95ee\u9898\u80cc\u666f\uff1a\u672c\u6765\u5728JSP\u753b\u9762\u4e0a\u6709\u4e2a\u6708\u4efd\u5165\u529b\u6846\uff0c\u76ee\u524d\u6700\u5927\u8f93\u51654\u4f4d\uff0c\u53ef\u5f53\u8f93\u5165\u7684\u6570\u5b57\u5c11\u4e8e\u56db\u4f4d\u4e14\u524d\u9762\u5e260\u65f6\uff0c\u5219\u4f1a\u5411DB\u4e2d\u539f\u6837\u5b58\u50a8\uff0c\u6545\u9700\u5728\u540e\u53f0\u5220\u9664\u6570\u5b57\u524d\u7684\u6240\u67090\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/span><\/p>\n<p><strong>\u6b63\u5219\u4e00\uff1a<\/strong><\/p>\n<div class=\"dp-highlighter\">\n<div class=\"bar\"><\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li class=\"alt\"><span><span>String\u00a0str\u00a0=\u00a0<\/span><span class=\"string\">&#8220;000000001234034120&#8221;<\/span><span>;\u00a0\u00a0<\/span><\/span><\/li>\n<li><span>String\u00a0newStr\u00a0=\u00a0str.replaceFirst(<span class=\"string\">&#8220;^0*&#8221;<\/span><span>,\u00a0<\/span><span class=\"string\">&#8220;&#8221;<\/span><span>);\u00a0\u00a0<\/span><\/span><\/li>\n<li class=\"alt\"><span>System.out.println(newStr);\u00a0\u00a0<\/span><\/li>\n<li><span>\u7ed3\u679c\uff1a<span class=\"number\">1234034120<\/span><span>\u00a0\u00a0<\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<p>&nbsp;<\/p>\n<p><strong>\u6b63\u5219\u4e8c\uff1a<\/strong><\/p>\n<div class=\"dp-highlighter\">\n<div class=\"bar\"><\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li class=\"alt\"><span><span>String\u00a0str\u00a0=\u00a0<\/span><span class=\"string\">&#8220;000000001234034120&#8221;<\/span><span>;\u00a0\u00a0<\/span><\/span><\/li>\n<li><span>String\u00a0newStr\u00a0=\u00a0str.replaceAll(<span class=\"string\">&#8220;^(0+)&#8221;<\/span><span>,\u00a0<\/span><span class=\"string\">&#8220;&#8221;<\/span><span>);\u00a0\u00a0<\/span><\/span><\/li>\n<li class=\"alt\"><span>System.out.println(newStr);\u00a0\u00a0<\/span><\/li>\n<li><span>\u7ed3\u679c\uff1a<span class=\"number\">1234034120<\/span><span>\u00a0\u00a0<\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: medium;\">\u4e24\u79cd\u65b9\u6cd5\u90fd\u597d\u4f7f\uff0c\u5f53\u7136\u8fd8\u6709\u5176\u5b83\u5f88\u591a\u79cd\u65b9\u6cd5\uff0c\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u518d\u67e5\u67e5\uff0c\u7814\u7a76\u7814\u7a76\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u80cc\u666f\uff1a\u672c\u6765\u5728JSP\u753b\u9762\u4e0a\u6709\u4e2a\u6708\u4efd\u5165\u529b\u6846\uff0c\u76ee\u524d\u6700\u5927\u8f93\u51654\u4f4d\uff0c\u53ef\u5f53\u8f93\u5165\u7684\u6570\u5b57\u5c11\u4e8e\u56db\u4f4d\u4e14\u524d\u9762\u5e260\u65f6\uff0c\u5219\u4f1a\u5411DB\u4e2d\u539f\u6837\u5b58\u50a8\uff0c\u6545\u9700\u5728\u540e\u53f0\u5220\u9664\u6570\u5b57\u524d\u7684\u6240\u67090\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3002 \u6b63\u5219\u4e00\uff1a String\u00a0str\u00a0=\u00a0&#8220;00000 &hellip; <a href=\"http:\/\/www.menglanglang.cn\/?p=423\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","wpai_meta_description":"","footnotes":""},"categories":[135],"tags":[600,138],"class_list":["post-423","post","type-post","status-publish","format-standard","hentry","category-java","tag-java","tag-138"],"_links":{"self":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=423"}],"version-history":[{"count":1,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/423\/revisions"}],"predecessor-version":[{"id":2668,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/423\/revisions\/2668"}],"wp:attachment":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=423"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}