{"id":31852,"date":"2024-11-25T12:01:57","date_gmt":"2024-11-25T04:01:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31852\/"},"modified":"2024-11-25T12:01:57","modified_gmt":"2024-11-25T04:01:57","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f-setdata%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31852\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f setData\u7684\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f setdata\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3\u7684\u76f8\u5173\u8d44\u6599,\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e0b<\/p>\n

\u5fae\u4fe1\u5c0f\u7a0b\u5e8f setData\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3<\/strong><\/p>\n

\u6700\u8fd1\u5728\u4f7f\u7528\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684setData\u65f6\uff0c\u9047\u5230\u4e86\u4ee5\u4e0b\u95ee\u9898\u3002\u5982\u4e0b\uff1a<\/p>\n

\u5b98\u7f51\u6587\u6863\u5728\u4f7f\u7528setData()\u8bbe\u7f6e\u6570\u7ec4\u5bf9\u8c61\u7684\u67d0\u4e2a\u5143\u7d20\u7684\u5c5e\u6027\u65f6\uff0c\u662f\u8fd9\u4e48\u4f7f\u7528\u7684\uff1a<\/p>\n<\/p>\n

Page({\n data: {\n  array: [{text: 'init data'}],\n },\n changeItemInArray: function() {\n  this.setData({\n   'array[0].text':'changed data'\n  })\n }\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u4e86 \u2018array[0].text’ : \u2018changed data’ <\/span>\u8fd9\u6837\u7684\u503c\u3002\u4f46\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u5bf9\u6570\u7ec4\u7684\u4e2d\u7684\u67d0\u4e2a\u5143\u7d20\u7684\u8bbe\u7f6e\u662f\u52a8\u6001\u7684\u3002\u5373 \u6211\u4eec\u901a\u5e38\u5e94\u8be5\u662f \u2018array[\u2018+index+’].text’ : \u2018changed data’<\/span> ,\u5176\u4e2dindex\u5e94\u8be5\u662f\u4e00\u4e2a\u52a8\u6001\u7684\u6570\u5b57\u3002\u4f46\u663e\u7136\uff0c\u8fd9\u6837\u662f\u65e0\u6cd5\u4f7f\u7528\u5728\u5bf9\u8c61\u7684key\u4e2d\u7684\u3002<\/p>\n
\u6240\u4ee5\uff0c\u6211\u53ea\u80fd\u4f7f\u7528\u4e86\u4e00\u4e2a\u53d8\u901a\u7684\u65b9\u6cd5\u3002\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
var param = {};\nvar string = \"array[\"+index+\"].text;\nparam[string] = 'changed data';\nthat.setData(param);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5373\u63d0\u524d\u628a\u5bf9\u8c61\u51c6\u5907\u597d\u3002<\/p>\n
\u5e0c\u671b\u4ee5\u540e\u53ef\u4ee5\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u3002<\/p>\n
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\u76f8\u5173\u63a8\u8350\uff1a<\/p>\n
<\/p>\n<\/p>\n
<\/span><\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f setData\u7684\u4f7f\u7528\u65b9\u6cd5\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":"
\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f setdata\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3\u7684\u76f8\u5173\u8d44\u6599,\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e0b \u5fae\u4fe1\u5c0f\u7a0b\u5e8f setData\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3 \u6700\u8fd1\u5728\u4f7f\u7528\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684setData\u65f6\uff0c\u9047\u5230\u4e86\u4ee5\u4e0b\u95ee\u9898\u3002\u5982\u4e0b\uff1a \u5b98\u7f51\u6587\u6863\u5728\u4f7f\u7528setData()\u8bbe\u7f6e\u6570\u7ec4\u5bf9\u8c61\u7684\u67d0\u4e2a\u5143\u7d20\u7684\u5c5e\u6027\u65f6\uff0c\u662f\u8fd9\u4e48\u4f7f\u7528\u7684\uff1a Page({  data: {   array: [{text: ‘init data’}],  },  changeItemInArray: function() {   this.setData({    ‘array[0].text’:’changed data’   })  } }) \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u4e86 \u2018array[0].text’ : \u2018changed data’ \u8fd9\u6837\u7684\u503c\u3002\u4f46\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u5bf9\u6570\u7ec4\u7684\u4e2d\u7684\u67d0\u4e2a\u5143\u7d20\u7684\u8bbe\u7f6e\u662f\u52a8\u6001\u7684\u3002\u5373 \u6211\u4eec\u901a\u5e38\u5e94\u8be5\u662f \u2018array[\u2018+index+’].text’ : \u2018changed data’ ,\u5176\u4e2dindex\u5e94\u8be5\u662f\u4e00\u4e2a\u52a8\u6001\u7684\u6570\u5b57\u3002\u4f46\u663e\u7136\uff0c\u8fd9\u6837\u662f\u65e0\u6cd5\u4f7f\u7528\u5728\u5bf9\u8c61\u7684key\u4e2d\u7684\u3002 \u6240\u4ee5\uff0c\u6211\u53ea\u80fd\u4f7f\u7528\u4e86\u4e00\u4e2a\u53d8\u901a\u7684\u65b9\u6cd5\u3002\u5982\u4e0b\uff1a var param = {}; var string = “array[“+index+”].text; param[string] = ‘changed data’; that.setData(param); \u767b\u5f55\u540e\u590d\u5236 \u5373\u63d0\u524d\u628a\u5bf9\u8c61\u51c6\u5907\u597d\u3002 \u5e0c\u671b\u4ee5\u540e\u53ef\u4ee5\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u3002 \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff0c\u66f4\u591a\u76f8\u5173\u5185\u5bb9\u8bf7\u5173\u6ce8PHP\u4e2d\u6587\u7f51\uff01 \u76f8\u5173\u63a8\u8350\uff1a \u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f setData\u7684\u4f7f\u7528\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-31852","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31852","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=31852"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31852\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}