{"id":31337,"date":"2024-11-25T08:39:24","date_gmt":"2024-11-25T00:39:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31337\/"},"modified":"2024-11-25T08:39:24","modified_gmt":"2024-11-25T00:39:24","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%88%97%e8%a1%a8%e5%bc%80%e5%8f%91%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31337\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5217\u8868\u5f00\u53d1\u8be6\u89e3"},"content":{"rendered":"

\u672c\u6587\u4e3b\u8981\u548c\u5927\u5bb6\u5206\u4eab\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5217\u8868\u5f00\u53d1\u8be6\u89e3\uff0c\u4e3b\u8981\u4ee5\u4ee3\u7801\u7684\u5f62\u5f0f\u548c\u5927\u5bb6\u5206\u4eab\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\u3002<\/p>\n

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tip:wx:for=\u201carray\u201d\u53ef\u4ee5\u7b49\u4e8e\u53c2\u6570\u540d\uff0c\u5728js\u4e2d\u8c03\u7528\r\nPage({ data:{\r\narray: [{name: '\u5c0f\u674e'},{ name: '\u5c0f\u9ad8'}]}\r\n })\uff0c\u83b7\u53d6\u503c\uff1b\u4e5f\u53ef\u4ee5\u76f4\u63a5\u628awx:for=\"{{[1, 2, 3]}}\"\uff0c\u628a\u503c\u653e\u5728\u4e0a\u9762<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
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<view>\r\n  {{index}}: {{item.message}}\r\n<\/view><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
var app = getApp()\r\nPage({\r\n    data:{\r\n      items: [{\r\n        message: 'foo',\r\n      },{\r\n        message: 'bar'\r\n      }]\r\n    }\r\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
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\u9996\u5148\u5728wxml\u6587\u4ef6\u4e2dwx:for\u540e\u9762\u7684\u53cc\u91cd\u5927\u62ec\u53f7\u4e2d\u7684items\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u7684\u5143\u7d20\u5982js\u4e2d\u6240\u89c1\uff0c\u5728wx:for\u4e0b\u9762{{index}}:{{item.arry}}\u4e2dindex\u662fitems\u6570\u7ec4\u7684\u4e0b\u6807\uff0citem.arry\u662f\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4e5f\u5373\u662f\u201ca\u201d\u548c\u201cb\u201d\u3002<\/p>\n
2.\u4f7f\u7528wx:for-item\u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u53d8\u91cf\u540d\u3002\u4f7f\u7528wx:for-index\u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u4e0b\u6807\u7684\u53d8\u91cf\u540d\uff1a<\/p>\n
<view>\r\n  {{idx}}: {{itemName.name}}\r\n<\/view><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
var app = getApp()\r\nPage({\r\n    data:{\r\n      array: [{\r\n        name: '\u5c0f\u674e',\r\n      },{\r\n        name: '\u5c0f\u9ad8'\r\n      }]\r\n    }\r\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5217\u8868\u5f00\u53d1\u8be6\u89e3\u63d2\u56fe2\"<\/p>\n
3.wx:for\u4e5f\u53ef\u4ee5\u5d4c\u5957<\/p>\n
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 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
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\uff08\u4e8c\uff09.block wx:for<\/p>\n
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<block wx:for=\"{{array}}\">\r\n  <view> {{index}}:{{item.name}}<\/view>\r\n<\/block><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
var app = getApp()\r\nPage({\r\n    data:{\r\n      array: [{\r\n        name: '\u5c0f\u674e',\r\n      },{\r\n        name: '\u5c0f\u9ad8'\r\n      }]\r\n    }\r\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5217\u8868\u5f00\u53d1\u8be6\u89e3\u63d2\u56fe4\"<\/p>\n
(\u4e09).wx:key<\/p>\n
\u5982\u679c\u5217\u8868\u4e2d\u9879\u76ee\u7684\u4f4d\u7f6e\u4f1a\u52a8\u6001\u6539\u53d8\u6216\u8005\u6709\u65b0\u7684\u9879\u76ee\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u5e76\u4e14\u5e0c\u671b\u5217\u8868\u4e2d\u7684\u9879\u76ee\u4fdd\u6301\u81ea\u5df1\u7684\u7279\u5f81\u548c\u72b6\u6001\uff08\u5982  \u4e2d\u7684\u8f93\u5165\u5185\u5bb9\uff0c  \u7684\u9009\u4e2d\u72b6\u6001\uff09\uff0c\u9700\u8981\u4f7f\u7528 wx:key \u6765\u6307\u5b9a\u5217\u8868\u4e2d\u9879\u76ee\u7684\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u3002<\/p>\n
    \n
  1. \n
    \u5b57\u7b26\u4e32\uff0c\u4ee3\u8868\u5728 for \u5faa\u73af\u7684 array \u4e2d item \u7684\u67d0\u4e2a property\uff0c\u8be5 property \u7684\u503c\u9700\u8981\u662f\u5217\u8868\u4e2d\u552f\u4e00\u7684\u5b57\u7b26\u4e32\u6216\u6570\u5b57\uff0c\u4e14\u4e0d\u80fd\u52a8\u6001\u6539\u53d8\u3002<\/p>\n<\/li>\n
  2. \n
    \u4fdd\u7559\u5173\u952e\u5b57 *this \u4ee3\u8868\u5728 for \u5faa\u73af\u4e2d\u7684 item \u672c\u8eab\uff0c\u8fd9\u79cd\u8868\u793a\u9700\u8981 item \u672c\u8eab\u662f\u4e00\u4e2a\u552f\u4e00\u7684\u5b57\u7b26\u4e32\u6216\u8005\u6570\u5b57\uff0c\u5982\uff1a<\/p>\n<\/li>\n<\/ol>\n
    \u5982\u4e0d\u63d0\u4f9b wx:key\uff0c\u4f1a\u62a5\u4e00\u4e2a warning\uff0c \u5982\u679c\u660e\u786e\u77e5\u9053\u8be5\u5217\u8868\u662f\u9759\u6001\uff0c\u6216\u8005\u4e0d\u5fc5\u5173\u6ce8\u5176\u987a\u5e8f\uff0c\u53ef\u4ee5\u9009\u62e9\u5ffd\u7565\u3002<\/p>\n
    \u4e8c.\u6848\u4f8b<\/p>\n
    1.\u7528\u6237\u4e2d\u5fc3\u5217\u8868<\/p>\n
    <!--list.wxml-->\r\n<block><view><view><image><\/image><\/view><view><view> {{item.text}} <\/view><\/view><view>{{item.unreadNum}}<\/view><view><\/view><\/view><\/block><\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \/**list.wxss**\/\r\n.weui_cell {\r\n\tposition: relative;\r\n\tdisplay: flex;\r\n\tpadding: 15px;\r\n\t-webkit-box-align: center;\r\n\t-ms-flex-align: center;\r\n\talign-items: center;\r\n\tborder-bottom: 1px solid #dadada;\r\n}\r\n\r\n.weui_cell_hd {\r\n\tdisplay: inline-block;\r\n\twidth: 20px;\r\n\tmargin-right: 5px;\r\n}\r\n\r\n.weui_cell_hd image {\r\n\twidth: 100%;\r\n\theight: 20px;\r\n\tvertical-align: -2px;\r\n}\r\n\r\n.weui_cell_bd {\r\n\tdisplay: inline-block;\r\n}\r\n\r\n.weui_cell_bd_p {\r\n\tfont-size: 14px;\r\n\tcolor: #939393;\r\n}\r\n\r\n.badge {\r\n\tposition: absolute;\r\n\ttop: 18px;\r\n\tright: 40px;\r\n\twidth: 15px;\r\n\theight: 15px;\r\n\tline-height: 15px;\r\n\tbackground: #ff0000;\r\n\tcolor: #fff;\r\n\tborder-radius: 50%;\r\n\ttext-align: center;\r\n\tfont-size: 8px;\r\n}\r\n\r\n.with_arrow {\r\n\tposition: absolute;\r\n\ttop: 18px;\r\n\tright: 15px;\r\n\twidth: 15px;\r\n\theight: 15px;\r\n\tbackground-image: url(..\/..\/dist\/images\/icon-arrowdown.png);\r\n\tbackground-repeat: no-repeat;\r\n\tbackground-size: 100% 100%;\r\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \/\/list.js\r\nvar app = getApp()\r\nPage( {\r\n  data: {\r\n    userInfo: {},\r\n    userListInfo: [ {\r\n      icon: '..\/..\/dist\/images\/iconfont-dingdan.png',\r\n      text: '\u6211\u7684\u8ba2\u5355',\r\n      isunread: true,\r\n      unreadNum: 2\r\n    }, {\r\n        icon: '..\/..\/dist\/images\/iconfont-card.png',\r\n        text: '\u6211\u7684\u4ee3\u91d1\u5238',\r\n        isunread: false,\r\n        unreadNum: 2\r\n      }, {\r\n        icon: '..\/..\/dist\/images\/iconfont-icontuan.png',\r\n        text: '\u6211\u7684\u62fc\u56e2',\r\n        isunread: true,\r\n        unreadNum: 1\r\n      }, {\r\n        icon: '..\/..\/dist\/images\/iconfont-shouhuodizhi.png',\r\n        text: '\u6536\u8d27\u5730\u5740\u7ba1\u7406'\r\n      }, {\r\n        icon: '..\/..\/dist\/images\/iconfont-kefu.png',\r\n        text: '\u8054\u7cfb\u5ba2\u670d'\r\n      }, {\r\n        icon: '..\/..\/dist\/images\/iconfont-help.png',\r\n        text: '\u5e38\u89c1\u95ee\u9898'\r\n      }]\r\n  },\r\n  onLoad: function() {\r\n    var that = this\r\n    \/\/\u8c03\u7528\u5e94\u7528\u5b9e\u4f8b\u7684\u65b9\u6cd5\u83b7\u53d6\u5168\u5c40\u6570\u636e\r\n    app.getUserInfo( function( userInfo ) {\r\n      \/\/\u66f4\u65b0\u6570\u636e\r\n      \tthat.setData( {\r\n        \tuserInfo: userInfo\r\n     \t })\r\n    })\r\n  }\r\n})<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5217\u8868\u5f00\u53d1\u8be6\u89e3\u63d2\u56fe5\"<\/p>\n
    \u76f8\u5173\u63a8\u8350\uff1a<\/p>\n<\/p>\n<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5217\u8868\u5f00\u53d1\u8be6\u89e3\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":"
    \u672c\u6587\u4e3b\u8981\u548c\u5927\u5bb6\u5206\u4eab\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5217\u8868\u5f00\u53d1\u8be6\u89e3\uff0c\u4e3b\u8981\u4ee5\u4ee3\u7801\u7684\u5f62\u5f0f\u548c\u5927\u5bb6\u5206\u4eab\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\u3002 \u4e00.\u77e5\u8bc6\u70b9 (\u4e00).\u5217\u8868\u6e32\u67d3 wx:for tip:wx:for=\u201carray\u201d\u53ef\u4ee5\u7b49\u4e8e\u53c2\u6570\u540d\uff0c\u5728js\u4e2d\u8c03\u7528 Page({ data:{ array: [{name: ‘\u5c0f\u674e’},{ name: ‘\u5c0f\u9ad8’}]}  })\uff0c\u83b7\u53d6\u503c\uff1b\u4e5f\u53ef\u4ee5\u76f4\u63a5\u628awx:for=”{{[1, 2, 3]}}”\uff0c\u628a\u503c\u653e\u5728\u4e0a\u9762 \u767b\u5f55\u540e\u590d\u5236 1.\u5728\u7ec4\u4ef6\u4e0a\u4f7f\u7528wx:for\u63a7\u5236\u5c5e\u6027\u7ed1\u5b9a\u4e00\u4e2a\u6570\u7ec4\uff0c\u5373\u53ef\u4f7f\u7528\u6570\u7ec4\u4e2d\u5404\u9879\u7684\u6570\u636e\u91cd\u590d\u6e32\u67d3\u8be5\u7ec4\u4ef6\u3002 \u9ed8\u8ba4\u6570\u7ec4\u7684\u5f53\u524d\u9879\u7684\u4e0b\u6807\u53d8\u91cf\u540d\u9ed8\u8ba4\u4e3aindex\uff0c\u6570\u7ec4\u5f53\u524d\u9879\u7684\u53d8\u91cf\u540d\u9ed8\u8ba4\u4e3aitem <view>   {{index}}: {{item.message}} <\/view> \u767b\u5f55\u540e\u590d\u5236 var app = getApp() Page({     data:{       items: [{         message: ‘foo’,       },{         message: ‘bar’       }]     } }) \u767b\u5f55\u540e\u590d\u5236 \u9996\u5148\u5728wxml\u6587\u4ef6\u4e2dwx:for\u540e\u9762\u7684\u53cc\u91cd\u5927\u62ec\u53f7\u4e2d\u7684items\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u7684\u5143\u7d20\u5982js\u4e2d\u6240\u89c1\uff0c\u5728wx:for\u4e0b\u9762{{index}}:{{item.arry}}\u4e2dindex\u662fitems\u6570\u7ec4\u7684\u4e0b\u6807\uff0citem.arry\u662f\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4e5f\u5373\u662f\u201ca\u201d\u548c\u201cb\u201d\u3002 2.\u4f7f\u7528wx:for-item\u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u53d8\u91cf\u540d\u3002\u4f7f\u7528wx:for-index\u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u4e0b\u6807\u7684\u53d8\u91cf\u540d\uff1a <view>   {{idx}}: {{itemName.name}} <\/view> \u767b\u5f55\u540e\u590d\u5236 var app = getApp() Page({     data:{       array: [{         name: ‘\u5c0f\u674e’,       },{         name: ‘\u5c0f\u9ad8’       }]     } }) \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 3.wx:for\u4e5f\u53ef\u4ee5\u5d4c\u5957 <view>    <view>     <view>        {{i}} * {{j}} = {{i * j}}     <\/view>   <\/view><\/view> \u767b\u5f55\u540e\u590d\u5236 \u90fd\u4e0d\u9700\u8981js […]<\/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-31337","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31337","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=31337"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31337\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}