{"id":34492,"date":"2024-11-26T13:39:45","date_gmt":"2024-11-26T05:39:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34492\/"},"modified":"2024-11-26T13:39:45","modified_gmt":"2024-11-26T05:39:45","slug":"java%e6%80%8e%e4%b9%88%e7%bb%99%e6%95%b0%e7%bb%84%e6%9f%90%e5%88%97%e5%8a%a0%e5%89%8d%e7%bc%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34492\/","title":{"rendered":"Java\u600e\u4e48\u7ed9\u6570\u7ec4\u67d0\u5217\u52a0\u524d\u7f00"},"content":{"rendered":"

\n java\u4e2d\u53ef\u901a\u8fc7arrays.setall()\u65b9\u6cd5\u7ed9\u6570\u7ec4\u7279\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00\uff1a1.\u786e\u5b9a\u5217\u7d22\u5f15\uff1b2.\u904d\u5386\u6570\u7ec4\uff0c\u5728\u6307\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00\uff1b\u5982int[][] data = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}\uff0c\u7ed9data\u7b2c\u4e8c\u5217\u6dfb\u52a0\u524d\u7f00”prefix_”\uff1aint colindex = 1; string prefix = “prefix_”; arrays.setall(data, (index) -> prefix + dataindex);\n<\/p><\/blockquote>\n

\"Java\u600e\u4e48\u7ed9\u6570\u7ec4\u67d0\u5217\u52a0\u524d\u7f00\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u7ed9 Java \u6570\u7ec4\u7684\u7279\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 Arrays.setAll() \u65b9\u6cd5\u7ed9\u6570\u7ec4\u7684\u7279\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

Arrays.setAll(array, (index) -> prefix + array[index]);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \n
  • array \u662f\u76ee\u6807\u6570\u7ec4\u3002<\/li>\n
  • prefix \u662f\u8981\u6dfb\u52a0\u7684\u524d\u7f00\u3002<\/li>\n
  • index \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
    \u6b65\u9aa4\uff1a<\/strong><\/p>\n
      \n
    1. \u786e\u5b9a\u8981\u6dfb\u52a0\u524d\u7f00\u7684\u5217\u7d22\u5f15\u3002<\/li>\n
    2. \u4f7f\u7528 Arrays.setAll() \u65b9\u6cd5\uff0c\u904d\u5386\u6570\u7ec4\u5e76\u7ed9\u6bcf\u4e00\u884c\u4e2d\u6307\u5b9a\u5217\u7684\u5143\u7d20\u6dfb\u52a0\u524d\u7f00\u3002<\/li>\n<\/ol>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      \u5047\u8bbe\u6709\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 data\uff1a<\/p>\n
      int[][] data = {\n  {1, 2, 3},\n  {4, 5, 6},\n  {7, 8, 9}\n};<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8981\u7ed9\u6570\u7ec4\u7684\u7b2c\u4e8c\u5217\u6dfb\u52a0\u524d\u7f00 “prefix_”:<\/p>\n
      int colIndex = 1;\nString prefix = \"prefix_\";\n\nArrays.setAll(data, (index) -> prefix + data[index][colIndex]);<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u7ed3\u679c\uff1a<\/p>\n
      int[][] data = {\n  {1, \"prefix_2\", 3},\n  {4, \"prefix_5\", 6},\n  {7, \"prefix_8\", 9}\n};<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cArrays.setAll() \u65b9\u6cd5\u4f1a\u4fee\u6539\u539f\u59cb\u6570\u7ec4\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u5c06\u7ed3\u679c\u5206\u914d\u7ed9\u4e00\u4e2a\u65b0\u53d8\u91cf\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fJava\u600e\u4e48\u7ed9\u6570\u7ec4\u67d0\u5217\u52a0\u524d\u7f00\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      java\u4e2d\u53ef\u901a\u8fc7arrays.setall()\u65b9\u6cd5\u7ed9\u6570\u7ec4\u7279\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00\uff1a1.\u786e\u5b9a\u5217\u7d22\u5f15\uff1b2.\u904d\u5386\u6570\u7ec4\uff0c\u5728\u6307\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00\uff1b\u5982int[][] data = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}\uff0c\u7ed9data\u7b2c\u4e8c\u5217\u6dfb\u52a0\u524d\u7f00”prefix_”\uff1aint colindex = 1; string prefix = “prefix_”; arrays.setall(data, (index) -> prefix + dataindex); \u5982\u4f55\u7ed9 Java \u6570\u7ec4\u7684\u7279\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00 \u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 Arrays.setAll() \u65b9\u6cd5\u7ed9\u6570\u7ec4\u7684\u7279\u5b9a\u5217\u6dfb\u52a0\u524d\u7f00\u3002 \u8bed\u6cd5\uff1a Arrays.setAll(array, (index) -> prefix + array[index]); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array \u662f\u76ee\u6807\u6570\u7ec4\u3002 prefix \u662f\u8981\u6dfb\u52a0\u7684\u524d\u7f00\u3002 index \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7d22\u5f15\u3002 \u6b65\u9aa4\uff1a \u786e\u5b9a\u8981\u6dfb\u52a0\u524d\u7f00\u7684\u5217\u7d22\u5f15\u3002 \u4f7f\u7528 Arrays.setAll() \u65b9\u6cd5\uff0c\u904d\u5386\u6570\u7ec4\u5e76\u7ed9\u6bcf\u4e00\u884c\u4e2d\u6307\u5b9a\u5217\u7684\u5143\u7d20\u6dfb\u52a0\u524d\u7f00\u3002 \u793a\u4f8b\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-34492","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34492","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=34492"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34492\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}