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wechat/miniprogram/node_modules/@vant/weapp/dist/dialog/dialog.js

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+let queue = [];
+const defaultOptions = {
+  show: false,
+  title: '',
+  width: null,
+  theme: 'default',
+  message: '',
+  zIndex: 100,
+  overlay: true,
+  selector: '#van-dialog',
+  className: '',
+  asyncClose: false,
+  beforeClose: null,
+  transition: 'scale',
+  customStyle: '',
+  messageAlign: '',
+  overlayStyle: '',
+  confirmButtonText: '确认',
+  cancelButtonText: '取消',
+  showConfirmButton: true,
+  showCancelButton: false,
+  closeOnClickOverlay: false,
+  confirmButtonOpenType: '',
+};
+let currentOptions = Object.assign({}, defaultOptions);
+function getContext() {
+  const pages = getCurrentPages();
+  return pages[pages.length - 1];
+}
+const Dialog = (options) => {
+  options = Object.assign(Object.assign({}, currentOptions), options);
+  return new Promise((resolve, reject) => {
+    const context = options.context || getContext();
+    const dialog = context.selectComponent(options.selector);
+    delete options.context;
+    delete options.selector;
+    if (dialog) {
+      dialog.setData(
+        Object.assign(
+          {
+            callback: (action, instance) => {
+              action === 'confirm' ? resolve(instance) : reject(instance);
+            },
+          },
+          options
+        )
+      );
+      wx.nextTick(() => {
+        dialog.setData({ show: true });
+      });
+      queue.push(dialog);
+    } else {
+      console.warn(
+        '未找到 van-dialog 节点，请确认 selector 及 context 是否正确'
+      );
+    }
+  });
+};
+Dialog.alert = (options) => Dialog(options);
+Dialog.confirm = (options) =>
+  Dialog(Object.assign({ showCancelButton: true }, options));
+Dialog.close = () => {
+  queue.forEach((dialog) => {
+    dialog.close();
+  });
+  queue = [];
+};
+Dialog.stopLoading = () => {
+  queue.forEach((dialog) => {
+    dialog.stopLoading();
+  });
+};
+Dialog.currentOptions = currentOptions;
+Dialog.defaultOptions = defaultOptions;
+Dialog.setDefaultOptions = (options) => {
+  currentOptions = Object.assign(Object.assign({}, currentOptions), options);
+  Dialog.currentOptions = currentOptions;
+};
+Dialog.resetDefaultOptions = () => {
+  currentOptions = Object.assign({}, defaultOptions);
+  Dialog.currentOptions = currentOptions;
+};
+Dialog.resetDefaultOptions();
+export default Dialog;