{"id":184908,"date":"2023-07-29T23:05:26","date_gmt":"2023-07-29T15:05:26","guid":{"rendered":"http:\/\/www.idc.net\/help\/184908\/"},"modified":"2023-07-29T23:05:26","modified_gmt":"2023-07-29T15:05:26","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91%e5%b0%8f%e7%a8%8b%e5%ba%8f%e6%95%99%e7%a8%8b%ef%bc%9a%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f-%e5%85%bc%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/184908\/","title":{"rendered":"\u540e\u6d6a\u4e91\u5c0f\u7a0b\u5e8f\u6559\u7a0b\uff1a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f \u517c\u5bb9"},"content":{"rendered":"<p>\u5c0f\u7a0b\u5e8f\u7684\u529f\u80fd\u4e0d\u65ad\u7684\u589e\u52a0\uff0c\u4f46\u662f\u65e7\u7248\u672c\u7684\u5fae\u4fe1\u5ba2\u6237\u7aef\u5e76\u4e0d\u652f\u6301\u65b0\u529f\u80fd\uff0c\u6240\u4ee5\u5728\u4f7f\u7528\u8fd9\u4e9b\u65b0\u80fd\u529b\u7684\u65f6\u5019\u9700\u8981\u505a\u517c\u5bb9\u3002<\/p>\n<p>\u6587\u6863\u4f1a\u5728\u7ec4\u4ef6\uff0cAPI\u7b49\u9875\u9762\u63cf\u8ff0\u4e2d\u5e26\u4e0a\u5404\u4e2a\u529f\u80fd\u6240\u652f\u6301\u7684\u7248\u672c\u53f7\u3002<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7<code>wx.getSystemInfo<\/code>\u6216\u8005<code>wx.getSystemInfoSync<\/code>\u83b7\u53d6\u5230\u5c0f\u7a0b\u5e8f\u7684\u57fa\u7840\u5e93\u7248\u672c\u53f7\u3002<\/p>\n<p>\u4e5f\u53ef\u4ee5\u901a\u8fc7<code>wx.canIUse<\/code> \u8be6\u60c5 \u6765\u5224\u65ad\u662f\u5426\u53ef\u4ee5\u5728\u8be5\u57fa\u7840\u5e93\u7248\u672c\u4e0b\u76f4\u63a5\u4f7f\u7528\u5bf9\u5e94\u7684API\u6216\u8005\u7ec4\u4ef6<\/p>\n<h3>\u517c\u5bb9\u65b9\u5f0f - \u63a5\u53e3<\/h3>\n<p>\u5bf9\u4e8e\u65b0\u589e\u7684 API\uff0c\u53ef\u4ee5\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u5224\u65ad\u662f\u5426\u652f\u6301\u7528\u6237\u7684\u624b\u673a\u3002<\/p>\n<pre><code>if (wx.openBluetoothAdapter) {\n  wx.openBluetoothAdapter()\n} else {\n  \/\/ \u5982\u679c\u5e0c\u671b\u7528\u6237\u5728\u6700\u65b0\u7248\u672c\u7684\u5ba2\u6237\u7aef\u4e0a\u4f53\u9a8c\u60a8\u7684\u5c0f\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u8fd9\u6837\u5b50\u63d0\u793a\n  wx.showModal({\n    title: '\u63d0\u793a',\n    content: '\u5f53\u524d\u5fae\u4fe1\u7248\u672c\u8fc7\u4f4e\uff0c\u65e0\u6cd5\u4f7f\u7528\u8be5\u529f\u80fd\uff0c\u8bf7\u5347\u7ea7\u5230\u6700\u65b0\u5fae\u4fe1\u7248\u672c\u540e\u91cd\u8bd5\u3002'\n  })\n}\n<\/code><\/pre>\n<h3>\u517c\u5bb9\u65b9\u5f0f - \u53c2\u6570<\/h3>\n<p>\u5bf9\u4e8e API \u7684\u53c2\u6570\u6216\u8005\u8fd4\u56de\u503c\u6709\u65b0\u589e\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u5224\u65ad\u7528\u4ee5\u4e0b\u4ee3\u7801\u5224\u65ad\u3002<\/p>\n<pre><code>wx.showModal({\n  success: function(res) {\n    if (wx.canIUse('showModal.cancel')) {\n      console.log(res.cancel)\n    }\n  }\n})\n<\/code><\/pre>\n<h3>\u517c\u5bb9\u65b9\u5f0f - \u7ec4\u4ef6<\/h3>\n<p>\u5bf9\u4e8e\u7ec4\u4ef6\uff0c\u65b0\u589e\u7684\u5c5e\u6027\u5728\u65e7\u7248\u672c\u4e0a\u4e0d\u4f1a\u88ab\u5904\u7406\uff0c\u4e0d\u8fc7\u4e5f\u4e0d\u4f1a\u62a5\u9519\u3002\u5982\u679c\u7279\u6b8a\u573a\u666f\u9700\u8981\u5bf9\u65e7\u7248\u672c\u505a\u4e00\u4e9b\u964d\u7ea7\u5904\u7406\uff0c\u53ef\u4ee5\u8fd9\u6837\u5b50\u505a\u3002<\/p>\n<pre><code>Page({\n  data: {\n    canIUse: wx.canIUse('button.open-type.contact')\n  }\n})\n<\/code><\/pre>\n<pre><code>&lt;button wx:if=\"{{canIUse}}\" open-type=\"contact\"&gt; 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