{"id":3476,"date":"2022-03-16T15:55:58","date_gmt":"2022-03-16T07:55:58","guid":{"rendered":"https:\/\/egonlin.com\/?p=3476"},"modified":"2022-03-16T15:55:58","modified_gmt":"2022-03-16T07:55:58","slug":"%e7%ac%ac%e4%b8%83%e8%8a%82%ef%bc%9a%e8%a7%86%e5%9b%be%e5%b1%82","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=3476","title":{"rendered":"\u7b2c\u4e03\u8282\uff1a\u89c6\u56fe\u5c42"},"content":{"rendered":"

1. \u89c6\u56fe\u5c42<\/h1>\n

WXML\uff08WeiXin Markup Language\uff09\u662f\u6846\u67b6\u8bbe\u8ba1\u7684\u4e00\u5957\u6807\u7b7e\u8bed\u8a00\uff0c\u7ed3\u5408\u57fa\u7840\u7ec4\u4ef6<\/a>\u3001\u4e8b\u4ef6\u7cfb\u7edf<\/a>\uff0c\u53ef\u4ee5\u6784\u5efa\u51fa\u9875\u9762\u7684\u7ed3\u6784\u3002<\/p>\n

1.1. \u6570\u636e\u7ed1\u5b9a<\/h2>\n

\"\"<\/div><\/p>\n

1.1.1. \u666e\u901a\u5199\u6cd5<\/h3>\n
<view> {{ message }} <\/view><\/code><\/pre>\n
Page({\n  data: {\n    message: 'Hello MINA!'\n  }\n})<\/code><\/pre>\n
1.1.2. \u7ec4\u4ef6\u5c5e\u6027<\/h3>\n
\u200b   \u7b80\u76f4\u548c\u4e0a\u9762\u6ca1\u533a\u522b\u554a<\/strong><\/p>\n
\u200b                   
\"\"<\/div><\/p>\n
<view id="item-{{id}}"> <\/view><\/code><\/pre>\n
Page({\n  data: {\n    id: 0\n  }\n})<\/code><\/pre>\n
1.1.3. bool\u7c7b\u578b<\/h3>\n
\"\"<\/div><\/p>\n
\u4e0d\u8981\u76f4\u63a5\u5199 checked="false"\uff0c\u5176\u8ba1\u7b97\u7ed3\u679c\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32<\/strong><\/p>\n
<checkbox checked="{{false}}"> <\/checkbox><\/code><\/pre>\n
1.2. \u8fd0\u7b97<\/h2>\n
\"\"<\/div><\/p>\n
1.2.1. \u4e09\u5143\u8fd0\u7b97<\/h3>\n
<view hidden="{{flag ? true : false}}"> Hidden <\/view><\/code><\/pre>\n
1.2.2. \u7b97\u6570\u8fd0\u7b97<\/h3>\n
<view> {{a + b}} + {{c}} + d <\/view><\/code><\/pre>\n
Page({\n  data: {\n    a: 1,\n    b: 2,\n    c: 3\n  }\n})<\/code><\/pre>\n
1.2.3. \u903b\u8f91\u5224\u65ad<\/h3>\n
<view wx:if="{{length > 5}}"> <\/view><\/code><\/pre>\n
1.2.4. \u5b57\u7b26\u4e32\u8fd0\u7b97<\/h3>\n
<view>{{"hello" + name}}<\/view>\n<\/code><\/pre>\n
Page({\n  data:{\n    name: 'MINA'\n  }\n})<\/code><\/pre>\n
1.2.5. \u6ce8\u610f<\/h3>\n
\"\"<\/div><\/p>\n
\u82b1\u62ec\u53f7\u548c\u5f15\u53f7\u4e4b\u95f4\u5982\u679c\u6709\u7a7a\u683c\uff0c\u5c06\u6700\u7ec8\u88ab\u89e3\u6790\u6210\u4e3a\u5b57\u7b26\u4e32<\/p>\n
1.3. \u5217\u8868\u6e32\u67d3<\/h2>\n
\"\"<\/div><\/p>\n
1.3.1. wx:for<\/h3>\n
\u9879\u7684\u53d8\u91cf\u540d\u9ed8\u8ba4\u4e3a item<\/code>      wx:for-item<\/code> \u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u53d8\u91cf\u540d<\/p>\n
\u4e0b\u6807\u53d8\u91cf\u540d\u9ed8\u8ba4\u4e3a index<\/code>    wx:for-index<\/code> \u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u4e0b\u6807\u7684\u53d8\u91cf\u540d<\/p>\n
<view wx:for="{{array}}">\n  {{index}}: {{item.message}}\n<\/view><\/code><\/pre>\n
Page({\n  data: {\n    array: [{\n      message: 'foo',\n    }, {\n      message: 'bar'\n    }]\n  }\n})<\/code><\/pre>\n
1.3.2. wx:for<\/h3>\n
\u6e32\u67d3\u4e00\u4e2a\u5305\u542b\u591a\u8282\u70b9\u7684\u7ed3\u6784\u5757  block\u6700\u7ec8\u4e0d\u4f1a\u53d8\u6210\u771f\u6b63\u7684dom\u5143\u7d20<\/p>\n
<block wx:for="{{[1, 2, 3]}}">\n  <view> {{index}}: <\/view>\n  <view> {{item}} <\/view>\n<\/block><\/code><\/pre>\n
1.3.3. wx:key<\/h3>\n
\u63d0\u9ad8\u6548\u7387\u4f7f\u7528\u7684<\/p>\n
1.4. \u6761\u4ef6\u6e32\u67d3<\/h2>\n
\"\"<\/div><\/p>\n
1.4.1. wx:if<\/h3>\n
\u5728\u6846\u67b6\u4e2d\uff0c\u4f7f\u7528 wx:if="{{condition}}"<\/code> \u6765\u5224\u65ad\u662f\u5426\u9700\u8981\u6e32\u67d3\u8be5\u4ee3\u7801\u5757\uff1a<\/p>\n
<view wx:if="{{condition}}"> True <\/view><\/code><\/pre>\n
1.4.2. hidden<\/h3>\n
<view hidden="{{condition}}"> True <\/view><\/code><\/pre>\n
\u7c7b\u4f3c wx:if<\/code>  <\/p>\n
\u9891\u7e41\u5207\u6362 \u7528 hidden<\/code><\/p>\n
\u4e0d\u5e38\u4f7f\u7528 \u7528 wx:if<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"
1. \u89c6\u56fe\u5c42 WXML\uff08WeiXin Markup Language\uff09\u662f\u6846\u67b6\u8bbe\u8ba1\u7684\u4e00\u5957\u6807\u7b7e\u8bed\u8a00\uff0c\u7ed3\u5408\u57fa\u7840\u7ec4\u4ef6\u3001 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[307,308],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/3476"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3476"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/3476\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}