{"id":322303,"date":"2021-02-05T16:59:00","date_gmt":"2021-02-05T08:59:00","guid":{"rendered":"http:\/\/4563.org\/?p=322303"},"modified":"2021-02-05T16:59:00","modified_gmt":"2021-02-05T08:59:00","slug":"%e9%87%8d%e7%8e%b0%e6%9c%a8%e5%85%b0%e7%bc%96%e7%a8%8b%e8%af%ad%e8%a8%80%e7%9a%84%e5%9f%ba%e6%9c%ac-trycatch-%e8%af%ad%e6%b3%95","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=322303","title":{"rendered":"\u91cd\u73b0\u6728\u5170\u7f16\u7a0b\u8bed\u8a00\u7684\u57fa\u672c try\u2026\u2026catch \u8bed\u6cd5"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u91cd\u73b0\u6728\u5170\u7f16\u7a0b\u8bed\u8a00\u7684\u57fa\u672c try\u2026\u2026catch \u8bed\u6cd5               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xuanwu <\/span>  <span><i><\/i> 9<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u539f\u6587\u5730\u5740\uff1a\u91cd\u73b0\u6728\u5170\u7f16\u7a0b\u8bed\u8a00\u7684\u57fa\u672c try\u2026\u2026catch \u8bed\u6cd5<\/p>\n<p>\u8282\u9009\uff1a<\/p>\n<h2>\u6728\u5170\u7684 try&#8230;catch \u57fa\u672c\u8bed\u6cd5<\/h2>\n<p>\u53ef\u4ee5 catch \u6240\u6709\u9519\u8bef\uff0c\u4e0d\u7528\u6307\u5b9a\u5177\u4f53\u7c7b\u578b\uff1a<\/p>\n<pre><code>try {   print([][0]) } catch e {   print(e) } <\/code><\/pre>\n<p>\u4e5f\u53ef\u6307\u5b9a\u9519\u8bef\u7c7b\u578b\uff1a<\/p>\n<pre><code>try {   print(int('x')) } catch e : ValueError {   print('v') } <\/code><\/pre>\n<p>catch \u591a\u4e2a\u7c7b\u578b\u9519\u8bef\uff1a<\/p>\n<pre><code>try {   print([][int('0')]) } catch e : ValueError {   print('v') } catch e : IndexError {   print('i') } <\/code><\/pre>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u4ece Python \u4ee3\u7801\u6539\u5199\u4e3a\u6728\u5170\u4ee3\u7801\u65f6\uff0c\u5bb9\u6613\u5199\u51fa\u8fd9\u6837\u7684\u4ee3\u7801\uff1a<\/p>\n<pre><code>try {   print([][int('0')]) } catch ValueError {   print('v') } catch IndexError {   print('i') } <\/code><\/pre>\n<p>\u6b64\u65f6\u4f1a\u62a5\u9519\uff1adefault &#8216;except:&#8217; must be last<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u91cd\u73b0\u6728\u5170\u7f16\u7a0b\u8bed\u8a00\u7684\u57fa\u672c try\u2026\u2026&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/322303"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=322303"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/322303\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=322303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=322303"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=322303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}