{"id":2270,"date":"2018-08-08T15:46:05","date_gmt":"2020-02-12T13:58:51","guid":{"rendered":"http:\/\/vip.fxxkpython.com\/?p=2270"},"modified":"2020-02-12T21:58:52","modified_gmt":"2020-02-12T13:58:52","slug":"8f87c7b354","status":"publish","type":"post","link":"https:\/\/vip.fxxkpython.com\/?p=2270","title":{"rendered":"\u77e5\u9053\u4ee3\u7801\u6709\u9519\u8fd8\u72c2\u5f80\u4e0b\u5199\uff1f"},"content":{"rendered":"
\n

\u6700\u8fd1\u88ab Google \u8fdb\u5165\u4e2d\u56fd\u7684\u6d88\u606f\u5237\u4e86\u5c4f\uff0c\u90fd\u5728\u6fc0\u52a8\uff0c\u90fd\u5728\u5403\u74dc\uff0c\u767e\u5ea6\u7684\u8001\u5927\u8868\u793a\u4e0d\u614c\uff0c\u60f3\u8981\u518d\u6218\u4e00\u6b21 Google\uff0c\u975e\u5e38\u6709\u4fe1\u5fc3\u518d\u8d62\u4e00\u6b21\u3002\u5f88\u591a\u4eba\u7b11\u7b11\u4e0d\u8bf4\u8bdd\u3002
<\/p>\n


<\/p>\n

\"python\"<\/p>\n


<\/p>\n


<\/p>\n

\"python\" \u4e4b\u524d\u600e\u4e48\u8d62\u7684\u5fc3\u91cc\u8fd8\u6ca1\u6709\u70b9b\u6570\u4e48\uff1f<\/span><\/p>\n


<\/p>\n

\u5c0f\u5e05b\u671f\u5f85Google\u5230\u6765\uff0c\u5e0c\u671b\u53ef\u4ee5\u4f7f\u7528Gmail\uff0c\u4f7f\u7528\u8c37\u6b4c\u5730\u56fe\u3002\u3002\u3002<\/p>\n


<\/p>\n

\u518dGoogle\u5feb\u56de\u6765\u4e4b\u524d\uff0c\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u7bc7\u6587\u7ae0\uff0c\u6559\u4f60\u600e\u4e48\u4f7f\u7528 Google \u9ad8\u7ea7\u641c\u7d22\u6280\u5de7\u538b\u538b\u60ca\uff0c\u518d\u4e5f\u4e0d\u7528\u62c5\u5fc3\u81ea\u5df1\u627e\u4e0d\u5230\u5927\u7247\u4e86\u3002<\/p>\n


<\/p>\n

\u6233\u8fd9\u91cc\uff1aGoogle\u8981\u5728\u4e2d\u56fd\u63a8\u51fa\u641c\u7d22\u5f15\u64ce\u4e86\uff0c\u7ed9\u5927\u5bb6\u8bb2\u70b9 Google \u641c\u7d22\u6280\u5de7\u538b\u538b\u60ca<\/a><\/p>\n


<\/p>\n


<\/p>\n

\u63a5\u4e0b\u6765\u8fdb\u5165 Python \u6b63\u9898\u5566\u3002<\/strong><\/p>\n


<\/p>\n

\u77e5\u9053\u4ee3\u7801\u6709\u9519\u8fd8\u72c2\u5f80\u4e0b\u5199\uff1f\u662f\u7684\u6ca1\u9519\uff0c\u5c31\u662f\u660e\u660e\u77e5\u9053\u53ef\u80fd\u4ee3\u7801\u4f1a\u6709\u9519\u8bef\uff0c\u4f46\u662f\u6211\u4eec\u8fd8\u662f\u5f80\u4e0b\u5199\u3002\u5c31\u662f\u8fd9\u4e48\u4efb\u6027\uff01<\/p>\n


<\/p>\n

\"python\" \u6709\u70b9\u72c2\u554a~<\/span><\/p>\n


<\/p>\n

1.<\/strong><\/span>\u5f02\u5e38\u6355\u83b7<\/strong><\/p>\n


<\/p>\n

\u6709\u65f6\u5019\u6211\u4eec\u5bf9\u6211\u4eec\u7684\u4ee3\u7801\u7684\u62a5\u9519\u662f\u53ef\u9884\u77e5\u7684\uff0c\u6bd4\u5982\u6211\u4eec\u60f3\u8ba9 Python \u5e2e\u6211\u4eec\u6253\u5f00\u4e00\u4e2a\u5c0f\u9ec4\u6587\u7684\u6587\u4ef6\uff0c\u6bd4\u5982 yellow.txt\uff0c\u53ef\u662f\u6211\u4eec\u7684\u7535\u8111\u4e0d\u4e00\u5b9a\u6709\uff0c\u5982\u679c\u8fd9\u4e2a\u65f6\u5019\u6ca1\u6709\u7684\u8bdd\u6211\u4eec\u7684\u4ee3\u7801\u4f1a\u62a5\u9519\u7684\u5bf9\u5427\uff1f<\/p>\n


<\/p>\n

document = open<\/span>('yellow.txt'<\/span>)
print<\/span>('filename:' <\/span>+ document.name)<\/pre>\n

<\/p>\n
\u8fd0\u884c\u4e4b\u540e\u53ef\u4ee5\u770b\u5230\u8fd9\u91cc\u62a5\u9519:<\/p>\n

<\/p>\n
FileNotFoundError: [Errno 2] No such file or directory: ‘yellow.txt’<\/span><\/p>\n

<\/p>\n
\u544a\u8bc9\u6211\u4eec\u6ca1\u6709\u8fd9\u4e2a\u6587\u4ef6\u3002<\/p>\n

<\/p>\n
\u4f46\u662f\u5982\u679c\u8fd9\u65f6\u5019\u6211\u4eec\u8fd8\u60f3\u5f80\u4e0b\u8fd0\u884c\u600e\u4e48\u529e\u5462\uff1f<\/p>\n

<\/p>\n
\u90a3\u5c31\u53ef\u4ee5\u628a\u8fd9\u5f02\u5e38\u7ed9\u6355\u83b7\u6389\uff0c\u4f7f\u7528 try…except…finally…<\/span><\/p>\n

<\/p>\n
try\uff1a\u7528\u6765\u5305\u88f9\u6211\u4eec\u53ef\u80fd\u5b58\u5728\u9519\u8bef\u7684\u4ee3\u7801\uff1b<\/p>\n
except\uff1a\u5f53\u53d1\u73b0\u9519\u4e86\u5c31\u4f1a\u6267\u884c\u8fd9\u91cc<\/p>\n
finally\uff1a\u65e0\u8bba\u600e\u4e48\u6837\u6700\u540e\u90fd\u4f1a\u6267\u884c\u5230\u7684\u3002<\/p>\n

<\/p>\n
\u4e3e\u4e2a\u4f8b\u5b50\u4f60\u5c31\u660e\u767d\u4e86\uff1a<\/p>\n

<\/p>\n
try<\/span>:
    document = open<\/span>('yellow.txt'<\/span>)
    print<\/span>('filename:' <\/span>+ document.name)
except <\/span>FileNotFoundError <\/span>as <\/span>e:
    print<\/span>(\"error:\" <\/span>, <\/span>e)
finally<\/span>:
    print<\/span>(\"\u6700\u540e\u6267\u884c\u7684\u8bed\u53e5\"<\/span>)<\/pre>\n

<\/p>\n
\u6211\u4eec\u8fd9\u91cc\u6253\u5f00 yellow.txt ,Python\u53d1\u73b0\u4e0d\u5b58\u5728\uff0c\u90a3\u4e48\u5c31\u6267\u884cexcept\u4e0b\u7684\u8bed\u53e5\uff0cfinally\u6700\u540e\u4e5f\u4f1a\u88ab\u6267\u884c\uff1a<\/p>\n

<\/p>\n
error: [Errno 2] No such file or directory: ‘yellow.txt’<\/span><\/p>\n
\u6700\u540e\u6267\u884c\u7684\u8bed\u53e5<\/span><\/p>\n

<\/p>\n
\u90a3\u4e48\u8fd9\u6837\u5b50\u7684\u8bdd\uff0c\u4ee5\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06\u9884\u6599\u5230\u7684\u9519\u8bef\u8fdb\u884c\u6355\u83b7\uff0c\u7136\u540e\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n

<\/p>\n
2.<\/strong><\/span>\u629b\u51fa\u5f02\u5e38<\/strong><\/p>\n
\u6709\u65f6\u5019\u6211\u4eec\u6ca1\u6709\u53bb\u5904\u7406\u5f02\u5e38\uff0c Python \u4e5f\u4f1a\u7ed9\u6211\u4eec\u62a5\u51fa\u9519\u8bef\uff0c\u8fd9\u662f\u56e0\u4e3a Python \u6709\u4e2a BaseException <\/span>\u7684\u5f02\u5e38\u57fa\u7c7b\uff0c\u5f53Python\u53d1\u73b0\u6211\u4eec\u7684\u4ee3\u7801\u9519\u8bef\u7684\u65f6\u5019\uff0c\u53c8\u6ca1\u4eba\u53bb\u5904\u7406\uff0c\u5b83\u5c31\u4f1a\u5c42\u5c42\u7684\u5f80\u4e0a\u629b\u51fa\u9519\u8bef\uff0c\u76f4\u5230\u6700\u4e0a\u7ea7\u3002<\/p>\n

<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u81ea\u5df1\u5b9a\u4e49\u4e00\u4e2a\u5f02\u5e38\u7c7b\uff1a<\/p>\n

<\/p>\n
class <\/span>MyError(Exception<\/span>):
    pass

def <\/span>foo<\/span>(value):
    if<\/span>(value==0<\/span>):
        raise <\/span>MyError('ERROR %s' <\/span>% value)

foo(0<\/span>)<\/pre>\n

<\/p>\n
\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u81ea\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53eb\u505aMyError\u7684\u5f02\u5e38\u7c7b\uff0c\u7ee7\u627f\u4e0eException\uff0c\u5f53\u6211\u4eec\u4f20\u5165 0 \u7684\u65f6\u5019\u5c31\u4f1a\u629b\u51fa\u5f02\u5e38\u3002\u5728\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u5230\u7684\u5173\u952e\u5b57\u662fraise\uff0c\u5c31\u662f\u7528\u6765\u629b\u51fa\u5f02\u5e38\u7684\u610f\u601d\u3002<\/strong><\/p>\n

<\/strong><\/p>\n
\u653e\u4e2a\u5f02\u5e38\u8ba9\u4f60\u5fc3\u60c5\u7599\u7629\u4e00\u4e0b\uff0c\u54c8\u54c8\u54c8\uff1a<\/p>\n

<\/strong><\/p>\n
Traceback (most recent call last):<\/span><\/p>\n
  File “<\/span>G:\/test.py<\/span>“, line 11, in <module><\/span><\/p>\n
    foo(0)<\/span><\/p>\n
  File “<\/span>G:\/test.py<\/span>“, line 9, in foo<\/span><\/p>\n
    raise MyError(‘ERROR %s’ % value)<\/span><\/p>\n
__main__.MyError: ERROR 0<\/span><\/p>\n

<\/strong>ok\uff0c\u6709\u4e86\u8fd9\u4e24\u62db\uff0c\u5988\u5988\u518d\u4e5f\u4e0d\u7528\u62c5\u5fc3\uff0c\u6211\u9519\u8bef\u7684\u4ee3\u7801\u8be5\u5982\u4f55\u5b89\u653e\u4e86\u3002\u5bf9\u4e86\uff0c\u65f6\u4e0d\u65f6\u540e\u53f0\u6709\u670b\u53cb\u627e\u6211\u8981\u5fae\u4fe1\uff0c\u8fd8\u6709\u8c01\uff1f\u540e\u53f0\u7ed9\u6211\u53d1\u4e2a\u300c1\u300d\uff0c\u6211\u7edf\u8ba1\u4e00\u4e0b\uff0c\u770b\u770b\u6211\u4e0b\u6b21\u8981\u4e0d\u8981\u628a\u5fae\u4fe1\u653e\u51fa\u6765\u3002<\/p>\n

<\/p>\n

<\/p>\n

<\/p>\n
\u5173\u6ce8\u6211\uff0c\u8ba9\u4f60\u50cf\u770b\u5c0f\u9ec4\u6587\u4e00\u6837\u8f7b\u677e\u5b66\u5230 Python \u7684\u6240\u6709\uff01<\/span><\/p>\n

<\/p>\n
\"python\"<\/p>\n

<\/p>\n

<\/p>\n

<\/p>\n

<\/p>\n
ps\uff1a\u8fd8\u6ca1\u83b7\u53d6\u6211\u7cbe\u5fc3\u51c6\u5907\u7684 Python \u7535\u5b50\u4e66\u548c\u601d\u7ef4\u5bfc\u56fe\u7b49\u5e72\u8d27\u7684\u53ef\u4ee5\u5728\u6211\u7684\u516c\u4f17\u53f7\u300c\u5b66\u4e60Python\u7684\u6b63\u786e\u59ff\u52bf\u300d\u4e2d\u53d1\u9001 python \u514d\u8d39\u83b7\u53d6\u54e6\uff01 <\/p>\n
   <\/p>\n
\u518dps:\u8bf4\u771f\u7684\uff0c\u5982\u679c\u4f60\u80fd\u70b9\u4e2a\u8d5e\u8f6c\u53d1\u652f\u6301\u6211\u4e00\u4e0b\u6211\u4f1a\u66f4\u6709\u52a8\u529b\u5199\u3002<\/strong><\/p>\n

<\/strong><\/p>\n

<\/p>\n
                            \u987a\u624b\"python\"\uff0c\u70b9\u4e2a\u8d5e\u5427<\/strong><\/span><\/p>\n

<\/p>\n

<\/p>\n
\n
\u539f\u6587\u59cb\u53d1\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7\uff08\u5b66\u4e60python\u7684\u6b63\u786e\u59ff\u52bf\uff09\uff1apython<\/a><\/p>\n<\/blockquote>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u6700\u8fd1\u88ab Google \u8fdb\u5165\u4e2d\u56fd\u7684\u6d88\u606f\u5237\u4e86\u5c4f\uff0c\u90fd\u5728\u6fc0\u52a8\uff0c\u90fd\u5728\u5403\u74dc\uff0c\u767e\u5ea6\u7684\u8001\u5927\u8868\u793a\u4e0d\u614c\uff0c\u60f3\u8981\u518d\u6218\u4e00\u6b21 Google\uff0c\u975e\u5e38\u6709\u4fe1\u5fc3\u518d\u8d62\u4e00\u6b21\u3002\u5f88\u591a\u4eba\u7b11\u7b11\u4e0d\u8bf4\u8bdd\u3002  \u4e4b\u524d\u600e\u4e48\u8d62\u7684\u5fc3\u91cc\u8fd8\u6ca1\u6709\u70b9b\u6570\u4e48\uff1f \u5c0f\u5e05b\u671f\u5f85Google\u5230\u6765\uff0c\u5e0c\u671b\u53ef\u4ee5\u4f7f\u7528Gmail\uff0c…<\/p>\n","protected":false},"author":1,"featured_media":2271,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[303],"tags":[302,19,300,301],"_links":{"self":[{"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=\/wp\/v2\/posts\/2270"}],"collection":[{"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2270"}],"version-history":[{"count":1,"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=\/wp\/v2\/posts\/2270\/revisions"}],"predecessor-version":[{"id":2277,"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=\/wp\/v2\/posts\/2270\/revisions\/2277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=\/wp\/v2\/media\/2271"}],"wp:attachment":[{"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vip.fxxkpython.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}