{"id":203107,"date":"2025-05-22T09:28:09","date_gmt":"2025-05-22T01:28:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203107\/"},"modified":"2025-05-22T09:28:09","modified_gmt":"2025-05-22T01:28:09","slug":"try-catch%e5%ba%94%e8%af%a5%e5%86%99%e5%9c%a8for%e5%be%aa%e7%8e%af%e5%86%85%e9%83%a8%e8%bf%98%e6%98%af%e5%a4%96%e9%83%a8%ef%bc%9f%e5%b9%b6%e8%af%b4%e5%87%ba%e4%bd%a0%e7%9a%84%e7%90%86%e7%94%b1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203107\/","title":{"rendered":"try-catch\u5e94\u8be5\u5199\u5728for\u5faa\u73af\u5185\u90e8\u8fd8\u662f\u5916\u90e8\uff1f\u5e76\u8bf4\u51fa\u4f60\u7684\u7406\u7531"},"content":{"rendered":"

<\/b> <\/p>\n

try-catch\u5e94\u8be5\u5199\u5728for\u5faa\u73af\u5185\u90e8\u8fd8\u662f\u5916\u90e8\uff1f\u5e76\u8bf4\u51fa\u4f60\u7684\u7406\u7531<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300atry-catch\u5e94\u8be5\u5199\u5728for\u5faa\u73af\u5185\u90e8\u8fd8\u662f\u5916\u90e8\uff1f\u5e76\u8bf4\u51fa\u4f60\u7684\u7406\u7531\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

<\/p>\n

\u662f\u5426\u5728 for \u5faa\u73af\u5185\u90e8\u6216\u5916\u90e8\u7f16\u5199 try-catch \u5757\u53d6\u51b3\u4e8e\u7528\u4f8b\u4ee5\u53ca\u5faa\u73af\u5185\u6267\u884c\u7684\u4ee3\u7801\u7684\u6027\u8d28\u3002\u4ee5\u4e0b\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u4ee5\u53ca\u539f\u56e0\uff1a<\/p>\n

    \n
  1. for \u5faa\u73af\u5185\u7684 try-catch <\/li>\n<\/ol>\n
    for (int i = 0; i < list.size(); i++) {\n    try {\n        \/\/ code that might throw an exception\n    } catch (exception e) {\n        \/\/ handle the exception\n    }\n}\n\n<\/pre>\n
    \u539f\u56e0\uff1a
     \u7c92\u5ea6\u9519\u8bef\u5904\u7406\uff1a\u5982\u679c\u5faa\u73af\u7684\u6bcf\u6b21\u8fed\u4ee3\u90fd\u53ef\u80fd\u5f15\u53d1\u5f02\u5e38\uff0c\u5e76\u4e14\u60a8\u5e0c\u671b\u5faa\u73af\u7ee7\u7eed\u5904\u7406\u5269\u4f59\u7684\u8fed\u4ee3\uff0c\u5373\u4f7f\u4e00\u6b21\u8fed\u4ee3\u5931\u8d25\uff0c\u90a3\u4e48\u5c06 try-catch \u653e\u5728\u5faa\u73af\u5185\u662f\u6709\u610f\u4e49\u7684\u3002<\/p>\n
    \u7279\u5b9a\u9519\u8bef\u6062\u590d\uff1a\u5b83\u5141\u8bb8\u60a8\u5728\u6bcf\u6b21\u8fed\u4ee3\u7684\u57fa\u7840\u4e0a\u5904\u7406\u5f02\u5e38\u3002\u4f8b\u5982\uff0c\u8bb0\u5f55\u9519\u8bef\u5e76\u7ee7\u7eed\uff0c\u6216\u8005\u5bf9\u5931\u8d25\u7684\u8fed\u4ee3\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002<\/p>\n
    \u8df3\u8fc7\u5931\u8d25\u7684\u8fed\u4ee3\uff1a\u5f53\u67d0\u4e9b\u6570\u636e\u635f\u574f\u6216\u635f\u574f\uff0c\u4f46\u60a8\u5e0c\u671b\u7ee7\u7eed\u5904\u7406\u5176\u4ed6\u6570\u636e\u800c\u4e0d\u505c\u6b62\u5faa\u73af\u65f6\uff0c\u5b83\u975e\u5e38\u6709\u7528\u3002<\/p>\n
    \u4f55\u65f6\u4f7f\u7528\uff1a<\/p>\n
    \u5904\u7406\u4e00\u4e2a\u96c6\u5408\uff0c\u5176\u4e2d\u67d0\u4e9b\u6761\u76ee\u53ef\u80fd\u6709\u95ee\u9898\uff0c\u4f46\u60a8\u5e0c\u671b\u5904\u7406\u5c3d\u53ef\u80fd\u591a\u7684\u6761\u76ee\u3002
     \u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u6267\u884c\u72ec\u7acb\u7684\u64cd\u4f5c\uff08\u4f8b\u5982\u5904\u7406\u8bb0\u5f55\u3001\u8fdb\u884c api \u8c03\u7528\u7b49\uff09\u3002<\/p>\n
      \n
    1. for \u5faa\u73af\u4e4b\u5916\u7684 try-catch <\/li>\n<\/ol>\n
      try {\n    for (int i = 0; i < list.size(); i++) {\n        \/\/ Code that might throw an exception\n    }\n} catch (Exception e) {\n    \/\/ Handle the exception\n}\n\n<\/pre>\n
      \u539f\u56e0\uff1a<\/p>\n
      fail fast\uff1a\u5982\u679c\u5e0c\u671b\u5faa\u73af\u5728\u53d1\u751f\u5f02\u5e38\u65f6\u7acb\u5373\u505c\u6b62\u5e76\u963b\u6b62\u8fdb\u4e00\u6b65\u5904\u7406\uff0c\u5219 try-catch \u5e94\u8be5\u4f4d\u4e8e\u5faa\u73af\u4e4b\u5916\u3002\u8fd9\u610f\u5473\u7740\u4e00\u65e6\u629b\u51fa\u5f02\u5e38\uff0c\u5faa\u73af\u5c31\u4f1a\u7ec8\u6b62\uff0c\u5e76\u4e14\u60a8\u53ef\u4ee5\u5168\u5c40\u5904\u7406\u9519\u8bef\u3002<\/p>\n
      \u6027\u80fd\uff1a\u5982\u679c\u5faa\u73af\u5185\u7684\u4ee3\u7801\u9884\u8ba1\u4e0d\u4f1a\u9891\u7e41\u629b\u51fa\u5f02\u5e38\uff0c\u5219\u5c06 try-catch \u653e\u5728\u5faa\u73af\u5916\u53ef\u80fd\u4f1a\u7a0d\u5fae\u63d0\u9ad8\u6548\u7387\u3002\u8fd9\u662f\u56e0\u4e3a\u5728\u5faa\u73af\u5185\u91cd\u590d\u521b\u5efa try-catch \u5757\u53ef\u80fd\u4f1a\u4ea7\u751f\u8f83\u5c0f\u7684\u6027\u80fd\u5f00\u9500\u3002<\/p>\n
      \u5168\u5c40\u9519\u8bef\u5904\u7406\uff1a<\/p>\n
      \u5f53\u5f02\u5e38\u9002\u7528\u4e8e\u6574\u4e2a\u5faa\u73af\u6267\u884c\u5e76\u4e14\u60a8\u5e0c\u671b\u5728\u66f4\u9ad8\u7ea7\u522b\u5904\u7406\u9519\u8bef\u65f6\uff0c\u5b83\u975e\u5e38\u6709\u7528\u3002<\/p>\n
      \u4f55\u65f6\u4f7f\u7528\uff1a<\/p>\n
      \u5f53\u6240\u6709\u8fed\u4ee3\u90fd\u7d27\u5bc6\u76f8\u5173\u65f6\uff0c\u5e76\u4e14\u4e00\u6b21\u8fed\u4ee3\u4e2d\u51fa\u73b0\u9519\u8bef\u610f\u5473\u7740\u60a8\u65e0\u6cd5\u7ee7\u7eed\u5176\u4f59\u7684\u64cd\u4f5c\u3002<\/p>\n
      \u5f53\u5f02\u5e38\u5f71\u54cd\u6574\u4f53\u903b\u8f91\u65f6\uff0c\u5e94\u7acb\u5373\u505c\u6b62\u8fdb\u4e00\u6b65\u6267\u884c\u3002<\/p>\n
      \u8981\u70b9\u603b\u7ed3\uff1a<\/p>\n
      \u5faa\u73af\u5185\u7684 try-catch\uff1a\u5f53\u60a8\u60f3\u8981\u5355\u72ec\u5904\u7406\u6bcf\u6b21\u8fed\u4ee3\u7684\u5404\u4e2a\u9519\u8bef\u5e76\u4fdd\u6301\u5faa\u73af\u5728\u5269\u4f59\u8fed\u4ee3\u4e2d\u8fd0\u884c\u65f6\uff0c\u8bf7\u4f7f\u7528\u6b64\u9009\u9879\u3002<\/p>\n
      \u5faa\u73af\u5916\u7684 try-catch\uff1a\u5f53\u6574\u4e2a\u5faa\u73af\u4f9d\u8d56\u4e8e\u6bcf\u6b21\u8fed\u4ee3\u7684\u6210\u529f\u6267\u884c\u5e76\u4e14\u4e00\u65e6\u53d1\u751f\u9519\u8bef\u5c31\u5e94\u505c\u6b62\u65f6\uff0c\u8bf7\u4f7f\u7528\u6b64\u9009\u9879\u3002<\/p>\n
      \u4e24\u79cd\u65b9\u6cd5\u90fd\u662f\u6709\u6548\u7684\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u60a8\u5e0c\u671b\u5faa\u73af\u5728\u6355\u83b7\u5f02\u5e38\u540e\u7ee7\u7eed\u5904\u7406\u5176\u4ed6\u5143\u7d20\u8fd8\u662f\u5b8c\u5168\u505c\u6b62\u3002<\/p>\n
      \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
            \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"
      try-catch\u5e94\u8be5\u5199\u5728for...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203107","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203107"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203107\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}