通过微信开发者工具 商城模板 创建新小程序

mini-program/pages/order/components/reason-sheet/reasonSheet.js

@@ -0,0 +1,25 @@
+function getInstance(context, selector = '#wr-reason-sheet') {
+  if (!context) {
+    const pages = getCurrentPages();
+    const page = pages[pages.length - 1];
+    context = page;
+  }
+  const instance = context && context.selectComponent(selector);
+  if (!instance) {
+    console.warn(`未找到reason-sheet组件,请检查selector是否正确`);
+    return null;
+  }
+  return instance;
+}
+
+export default function (options) {
+  const { context, selector, ..._options } = options;
+  return new Promise((resolve, reject) => {
+    const instance = getInstance(context, selector);
+    if (instance) {
+      instance.setData(Object.assign({}, _options));
+      instance._onCancel = () => reject();
+      instance._onConfirm = (indexes) => resolve(indexes);
+    }
+  });
+}