{"id":66201,"date":"2023-12-18T22:37:18","date_gmt":"2023-12-18T14:37:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=66201"},"modified":"2023-12-18T22:37:21","modified_gmt":"2023-12-18T14:37:21","slug":"c-%e9%87%8c%e7%9a%84-dispose-%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/66201.html","title":{"rendered":"C# \u91cc\u7684 dispose \u7684\u4f5c\u7528\u662f\u4ec0\u4e48"},"content":{"rendered":"\n
\n

C# \u91cc\u7684 dispose \u7684\u4f5c\u7528\uff1a1. \u91ca\u653e\u975e\u6258\u7ba1\u8d44\u6e90\uff1b2. \u5b9e\u73b0 IDisposable \u63a5\u53e3\uff1b3. \u907f\u514d\u5783\u573e\u56de\u6536\u5ef6\u8fdf\uff1b4. \u5173\u95ed\u6587\u4ef6\u548c\u6d41\uff1b5. \u6e05\u7406\u6258\u7ba1\u8d44\u6e90\uff1b6. \u5b9e\u65bd\u6700\u7ec8\u5668\uff08Finalizer\uff09\u3002\u901a\u8fc7 dispose<\/code> \u65b9\u6cd5\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u624b\u52a8\u91ca\u653e\u975e\u6258\u7ba1\u8d44\u6e90\uff0c\u5982\u6587\u4ef6\u53e5\u67c4\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002<\/p>\n<\/blockquote>\n\n\n\n

1. \u91ca\u653e\u975e\u6258\u7ba1\u8d44\u6e90<\/h2>\n\n\n\n

\u901a\u8fc7 dispose<\/code> \u65b9\u6cd5\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u624b\u52a8\u91ca\u653e\u975e\u6258\u7ba1\u8d44\u6e90\uff0c\u5982\u6587\u4ef6\u53e5\u67c4\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002\u8fd9\u786e\u4fdd\u5728\u5bf9\u8c61\u4e0d\u518d\u9700\u8981\u65f6\uff0c\u76f8\u5173\u975e\u6258\u7ba1\u8d44\u6e90\u53ef\u4ee5\u88ab\u53ca\u65f6\u91ca\u653e\uff0c\u907f\u514d\u6f5c\u5728\u7684\u8d44\u6e90\u6cc4\u6f0f\u548c\u7cfb\u7edf\u8d44\u6e90\u8017\u5c3d\u7684\u95ee\u9898\u3002\u8fd9\u4e00\u8fc7\u7a0b\u9700\u8981\u4ed4\u7ec6\u5904\u7406\uff0c\u786e\u4fdd\u8d44\u6e90\u91ca\u653e\u7684\u6b63\u786e\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

2. \u5b9e\u73b0 IDisposable \u63a5\u53e3<\/h2>\n\n\n\n

dispose<\/code> \u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0 IDisposable<\/code> \u63a5\u53e3\uff0c\u4f7f\u5f97\u7c7b\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u4e00\u81f4\u7684\u65b9\u5f0f\u6765\u91ca\u653e\u8d44\u6e90\u3002\u8fd9\u6837\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u901a\u8fc7 using<\/code> \u8bed\u53e5\u6765\u786e\u4fdd\u5728\u79bb\u5f00\u4f5c\u7528\u57df\u65f6\u8c03\u7528 dispose<\/code> \u65b9\u6cd5\uff0c\u4ece\u800c\u53ca\u65f6\u91ca\u653e\u8d44\u6e90\u3002\u5b9e\u73b0 IDisposable<\/code> \u63a5\u53e3\u9700\u8981\u7f16\u5199\u89c4\u8303\u7684\u8d44\u6e90\u7ba1\u7406<\/a>\u4ee3\u7801\uff0c\u786e\u4fdd\u8d44\u6e90\u5728\u9002\u5f53\u7684\u65f6\u5019\u5f97\u5230\u91ca\u653e\u3002<\/p>\n\n\n\n

3. \u907f\u514d\u5783\u573e\u56de\u6536\u5ef6\u8fdf<\/h2>\n\n\n\n

\u624b\u52a8\u8c03\u7528 dispose<\/code> \u65b9\u6cd5\u53ef\u4ee5\u5728\u4e0d\u7b49\u5f85\u5783\u573e\u56de\u6536\u5668\u7684\u60c5\u51b5\u4e0b\u7acb\u5373\u91ca\u653e\u8d44\u6e90\uff0c\u63d0\u9ad8\u8d44\u6e90\u56de\u6536\u7684\u6548\u7387\u3002\u5783\u573e\u56de\u6536\u5668\u7684\u5de5\u4f5c\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u800c dispose<\/code> \u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u4e3b\u52a8\u63a7\u5236\u8d44\u6e90\u7684\u91ca\u653e\u65f6\u673a\u3002\u8fd9\u6709\u52a9\u4e8e\u907f\u514d\u56e0\u5783\u573e\u56de\u6536\u5ef6\u8fdf\u800c\u5bfc\u81f4\u7684\u8d44\u6e90\u5360\u7528\u95ee\u9898\u3002<\/p>\n\n\n\n

4. \u5173\u95ed\u6587\u4ef6\u548c\u6d41<\/h2>\n\n\n\n

\u5728\u5904\u7406\u6587\u4ef6\u3001\u7f51\u7edc\u6d41\u7b49\u9700\u8981\u663e\u5f0f\u5173\u95ed\u7684\u8d44\u6e90\u65f6\uff0cdispose<\/code> \u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8e\u5173\u95ed\u8fd9\u4e9b\u8d44\u6e90\uff0c\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u548c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002\u5173\u95ed\u6587\u4ef6\u548c\u6d41\u662f\u4e00\u79cd\u826f\u597d\u7684\u5b9e\u8df5\uff0c\u53ef\u4ee5\u9632\u6b62\u6587\u4ef6\u9501\u5b9a\u548c\u8d44\u6e90\u6d6a\u8d39\u3002<\/p>\n\n\n\n

5. \u6e05\u7406\u6258\u7ba1\u8d44\u6e90<\/h2>\n\n\n\n

dispose<\/code> \u65b9\u6cd5\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6e05\u7406\u6258\u7ba1\u8d44\u6e90\uff0c\u5c3d\u7ba1\u5783\u573e\u56de\u6536\u5668\u901a\u5e38\u4f1a\u8d1f\u8d23\u6258\u7ba1\u5bf9\u8c61\u7684\u91ca\u653e\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u624b\u52a8\u6e05\u7406\u8d44\u6e90\u53ef\u80fd\u662f\u5fc5\u8981\u7684\uff0c\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u5185\u5b58\u6cc4\u6f0f\u3002\u8fd9\u5305\u62ec\u91ca\u653e\u4e8b\u4ef6\u5904\u7406\u3001\u89e3\u9664\u5f15\u7528\u7b49\u64cd\u4f5c\uff0c\u4ee5\u786e\u4fdd\u5bf9\u8c61\u53ef\u4ee5\u88ab\u6b63\u786e\u5730\u56de\u6536\u3002<\/p>\n\n\n\n

6. \u5b9e\u65bd\u6700\u7ec8\u5668\uff08Finalizer\uff09<\/h2>\n\n\n\n

\u5982\u679c\u7c7b\u5305\u542b\u6700\u7ec8\u5668\uff0cdispose<\/code> \u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u663e\u5f0f\u53d6\u6d88\u5bf9\u6700\u7ec8\u5668\u7684\u6ce8\u518c\uff0c\u4ee5\u63d0\u9ad8\u5783\u573e\u56de\u6536\u7684\u6548\u7387\uff0c\u5e76\u51cf\u5c11\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7684\u4e0d\u786e\u5b9a\u6027\u3002\u6700\u7ec8\u5668\u662f\u5728\u5bf9\u8c61\u88ab\u5783\u573e\u56de\u6536\u524d\u6267\u884c\u7684\u4ee3\u7801\u5757\uff0c\u7528\u4e8e\u5904\u7406\u4e00\u4e9b\u7279\u6b8a\u7684\u6e05\u7406\u4efb\u52a1\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u6700\u7ec8\u5668\u7684\u6267\u884c\u65f6\u673a\u548c\u8d44\u6e90\u91ca\u653e\u7684\u6b63\u786e\u6027\u3002<\/p>\n\n\n\n

\"C#<\/p>\n\n\n\n

\u5e38\u89c1\u95ee\u7b54\uff1a<\/strong><\/p>\n\n\n\n

    \n
  • \u95ee\uff1a\u5728C#\u4e2d\uff0c\u4ec0\u4e48\u662fDispose<\/code>\u65b9\u6cd5\uff1f<\/li>\n\n\n\n
  • \u7b54\uff1aDispose<\/code>\u65b9\u6cd5\u662fIDisposable<\/code>\u63a5\u53e3\u7684\u4e00\u90e8\u5206\uff0c\u7528\u4e8e\u91ca\u653e\u7531\u5bf9\u8c61\u5360\u7528\u7684\u8d44\u6e90\uff0c\u4f8b\u5982\u6587\u4ef6\u53e5\u67c4\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002\u901a\u8fc7\u5b9e\u73b0IDisposable<\/code>\u63a5\u53e3\u5e76\u5b9a\u4e49Dispose<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u786e\u4fdd\u53ca\u65f6\u91ca\u653e\u975e\u6258\u7ba1\u8d44\u6e90\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002<\/li>\n<\/ul>\n\n\n\n
      \n
    • \u95ee\uff1a\u4e3a\u4ec0\u4e48\u5728C#\u4e2d\u9700\u8981\u4f7f\u7528Dispose<\/code>\u65b9\u6cd5\uff1f<\/li>\n\n\n\n
    • \u7b54\uff1a\u5728C#\u4e2d\uff0c\u5783\u573e\u56de\u6536\u5668\u8d1f\u8d23\u91ca\u653e\u6258\u7ba1\u5185\u5b58\uff0c\u4f46\u5bf9\u4e8e\u975e\u6258\u7ba1\u8d44\u6e90\uff08\u5982\u6587\u4ef6\u3001\u6570\u636e\u5e93\u8fde\u63a5\u3001\u7f51\u7edc\u8fde\u63a5\u7b49\uff09\uff0c\u5783\u573e\u56de\u6536\u5668\u65e0\u6cd5\u81ea\u52a8\u91ca\u653e\u3002\u901a\u8fc7\u4f7f\u7528Dispose<\/code>\u65b9\u6cd5\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u624b\u52a8\u91ca\u653e\u8fd9\u4e9b\u975e\u6258\u7ba1\u8d44\u6e90\uff0c\u786e\u4fdd\u8d44\u6e90\u5728\u4e0d\u518d\u9700\u8981\u65f6\u53ca\u65f6\u88ab\u56de\u6536\uff0c\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u548c\u8d44\u6e90\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n\n\n\n
        \n
      • \u95ee\uff1a\u5982\u4f55\u6b63\u786e\u4f7f\u7528Dispose<\/code>\u65b9\u6cd5\uff1f<\/li>\n\n\n\n
      • \u7b54\uff1a\u6b63\u786e\u4f7f\u7528Dispose<\/code>\u65b9\u6cd5\u7684\u4e00\u822c\u6a21\u5f0f\u662f\u4f7f\u7528using<\/code>\u8bed\u53e5\u3002\u901a\u8fc7using<\/code>\u8bed\u53e5\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u4f5c\u7528\u57df\u7ed3\u675f\u65f6\u81ea\u52a8\u8c03\u7528Dispose<\/code>\u65b9\u6cd5\uff0c\u5373\u4f7f\u5728\u53d1\u751f\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u6b63\u786e\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"C# \u91cc\u7684 dispose \u7684\u4f5c\u7528\uff1a1. \u91ca\u653e\u975e\u6258\u7ba1\u8d44\u6e90\uff1b2. \u5b9e\u73b0 IDisposable \u63a5\u53e3\uff1b3. \u907f\u514d […]","protected":false},"author":4,"featured_media":66212,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[3830,3832,559],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/66201"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=66201"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/66201\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/66212"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=66201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=66201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=66201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}