{"id":1292,"date":"2025-11-04T16:01:58","date_gmt":"2025-11-04T08:01:58","guid":{"rendered":"https:\/\/www.zhaozhao123.cn\/php\/my1js\/1292.html"},"modified":"2025-11-04T16:01:59","modified_gmt":"2025-11-04T08:01:59","slug":"php-try%e4%b8%ad%e5%87%ba%e7%8e%b0throw-new-exception%e4%bc%9a%e4%b8%8d%e4%bc%9a%e5%81%9c%e6%ad%a2try%e4%b8%ad%e7%9a%84%e4%b8%8b%e6%96%87%e6%89%a7%e8%a1%8c%ef%bc%9f","status":"publish","type":"my1js","link":"https:\/\/www.zhaozhao123.cn\/php\/my1js\/1292.html","title":{"rendered":"PHP try\u4e2d\u51fa\u73b0throw new Exception\u4f1a\u4e0d\u4f1a\u505c\u6b62try\u4e2d\u7684\u4e0b\u6587\u6267\u884c\uff1f"},"content":{"rendered":"

\u5728 PHP \u4e2d\uff0c\u5f53\u5728 try<\/code> \u5757\u4e2d\u4f7f\u7528 throw new Exception<\/code> \u65f6\uff0c\u4f1a\u7acb\u5373\u505c\u6b62 try<\/code> \u5757\u4e2d\u540e\u7eed\u4ee3\u7801\u7684\u6267\u884c<\/strong>\uff0c\u5e76\u76f4\u63a5\u8df3\u8f6c\u5230\u5339\u914d\u7684 catch<\/code> \u5757\uff08\u5982\u679c\u5b58\u5728\uff09\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>

\u5173\u952e\u884c\u4e3a\uff1a<\/h3>
    \n
  1. \u4e2d\u65ad\u6267\u884c<\/strong>\uff1athrow<\/code> \u8bed\u53e5\u4f1a\u7acb\u5373\u7ec8\u6b62\u5f53\u524d try<\/code> \u5757\u7684\u6267\u884c\u6d41\u7a0b\uff0c\u5176\u540e\u7684\u4ee3\u7801\u4e0d\u4f1a\u8fd0\u884c\u3002<\/li>\n\n\n\n
  2. \u8df3\u8f6c\u5230 catch<\/code><\/strong>\uff1a\u7a0b\u5e8f\u4f1a\u67e5\u627e\u4e0e\u629b\u51fa\u5f02\u5e38\u7c7b\u578b\u5339\u914d\u7684 catch<\/code> \u5757\u6765\u5904\u7406\u5f02\u5e38\u3002<\/li>\n\n\n\n
  3. \u672a\u6355\u83b7\u7684\u5f02\u5e38<\/strong>\uff1a\u5982\u679c\u6ca1\u6709\u5339\u914d\u7684 catch<\/code> \u5757\uff0c\u5f02\u5e38\u4f1a\u5411\u4e0a\u4f20\u9012\uff08\u53ef\u80fd\u89e6\u53d1\u5168\u5c40\u5f02\u5e38\u5904\u7406\u6216\u5bfc\u81f4\u81f4\u547d\u9519\u8bef\uff09\u3002<\/li>\n<\/ol>

    \u793a\u4f8b\u4ee3\u7801\uff1a<\/h3>
    try {\n    echo \"Step 1: Start<br>\";  \/\/ \u4f1a\u6267\u884c\n    throw new Exception(\"Error occurred!\");  \/\/ \u629b\u51fa\u5f02\u5e38\uff0c\u540e\u7eed\u4ee3\u7801\u7ec8\u6b62\n    echo \"Step 2: This will NEVER run<br>\"; \/\/ \u4e0d\u4f1a\u6267\u884c\uff01\n} catch (Exception $e) {\n    echo \"Caught Exception: \" . $e->getMessage() . \"<br>\"; \/\/ \u5904\u7406\u5f02\u5e38\n}\necho \"Step 3: Outside try-catch<br>\"; \/\/ \u7ee7\u7eed\u6267\u884c<\/code><\/pre>
    \u8f93\u51fa\uff1a<\/h3>
    Step 1: Start\nCaught Exception: Error occurred!\nStep 3: Outside try-catch<\/code><\/pre>
    \u5173\u952e\u70b9\uff1a<\/h3>
      \n
    • \u2705 throw<\/code> \u540e\u7684\u4ee3\u7801\uff08\u5982 Step 2<\/code>\uff09\u4e0d\u4f1a\u6267\u884c<\/strong>\u3002<\/li>\n\n\n\n
    • \u2705 \u7a0b\u5e8f\u76f4\u63a5\u8fdb\u5165 catch<\/code> \u5757\u5904\u7406\u5f02\u5e38\u3002<\/li>\n\n\n\n
    • \u2705 catch<\/code> \u5757\u7ed3\u675f\u540e\uff0c\u4f1a\u7ee7\u7eed\u6267\u884c try-catch<\/code> \u7ed3\u6784\u4e4b\u540e\u7684\u4ee3\u7801\uff08\u5982 Step 3<\/code>\uff09\u3002<\/li>\n<\/ul>
      \u603b\u7ed3\uff1a<\/h3>
      \u4ee3\u7801\u4f4d\u7f6e<\/th>\u662f\u5426\u6267\u884c<\/th><\/tr><\/thead>
      throw<\/code> \u4e4b\u524d\u7684\u4ee3\u7801<\/td>\u662f \u2705<\/td><\/tr>
      throw<\/code> \u4e4b\u540e\u7684\u4ee3\u7801<\/td>\u5426 \u274c\uff08\u7acb\u5373\u4e2d\u65ad\uff09<\/td><\/tr>
      catch<\/code> \u5757\u4e2d\u7684\u4ee3\u7801<\/td>\u662f \u2705<\/td><\/tr>
      try-catch<\/code> \u4e4b\u540e\u7684\u4ee3\u7801<\/td>\u662f \u2705<\/td><\/tr><\/tbody><\/table><\/figure>
      \u59cb\u7ec8\u8bb0\u4f4f\uff1athrow<\/code> \u662f\u201c\u7d27\u6025\u51fa\u53e3\u201d<\/strong>\uff0c\u4e00\u65e6\u89e6\u53d1\uff0ctry<\/code> \u5757\u5185\u5269\u4f59\u4ee3\u7801\u4f1a\u88ab\u8df3\u8fc7\u3002<\/p>","protected":false},"excerpt":{"rendered":"
      \u5728 PHP \u4e2d\uff0c\u5f53\u5728 try \u5757\u4e2d\u4f7f\u7528 throw new Exception \u65f6\uff0c\u4f1a\u7acb\u5373\u505c\u6b62 try \u5757\u4e2d\u540e\u7eed\u4ee3\u7801\u7684\u6267\u884c\uff0c\u5e76\u76f4\u63a5\u8df3\u8f6c\u5230\u5339\u914d\u7684 catch \u5757\uff08\u5982\u679c\u5b58\u5728\uff09\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u89e3\u91ca\uff1a \u5173\u952e\u884c\u4e3a\uff1a \u793a\u4f8b\u4ee3\u7801\uff1a \u8f93\u51fa\uff1a \u5173\u952e\u70b9\uff1a \u603b\u7ed3\uff1a \u4ee3\u7801\u4f4d\u7f6e \u662f\u5426\u6267\u884c throw \u4e4b\u524d\u7684\u4ee3\u7801 \u662f \u2705 throw \u4e4b\u540e\u7684\u4ee3\u7801 \u5426 ..<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":true},"tags":[],"my1js2nav":[38],"tuisongtax":[],"class_list":["post-1292","my1js","type-my1js","status-publish","hentry","my1js2nav-jcyy"],"acf":{"qian_art_seotitle":"","qian_art_seotitle_source":{"label":"SEO\u6807\u9898","type":"text","formatted_value":""},"qian_art_seokws":"","qian_art_seokws_source":{"label":"SEO\u5173\u952e\u8bcd","type":"text","formatted_value":""},"qian_art_stzhong":"throw new Exception","qian_art_stzhong_source":{"label":"\u4e2d | \u77ed\u6807\u9898","type":"text","formatted_value":"throw new Exception"}},"_links":{"self":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js\/1292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js"}],"about":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/types\/my1js"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/media?parent=1292"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tags?post=1292"},{"taxonomy":"my1js2nav","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js2nav?post=1292"},{"taxonomy":"tuisongtax","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tuisongtax?post=1292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}