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mp-dialog

v1.0.2

Published

微信小程序弹窗管理

Downloads

4

Readme

概述

微信小程序弹窗管理工具。快速解决滚动穿透和嵌套弹窗的问题。

原理

打开一个弹窗时会记录当前page的scrollTop,并写入scroll-fix解决滚动穿透。当打开一个新的弹窗时会关掉其它正在显示的弹窗。关闭弹窗后会将page的scrollTop恢复为第一个弹窗打开时记录的值并移除scroll-fix

安装

本工具依赖 mp-plus,使用前请先安装mp-plus

clone 项目,将mp-dialog.js放到你的小程序项目里。

全局写入样式

.scroll-fix {
  height: 100%;
  overflow: hidden;
}

加入 page 样式

page {
  height: 100%; //这是解决滚动穿透的关键
}

在 page 中注册 mp-dialog

import { createPage } from "path/to/mp-plus";
import mpDialog from "path/to/mp-dialog";

createPage({
  mixins: [mpDialog]
});

在 wxml 的根元素上加入判断逻辑

<view class="{{scrollFix?'scroll-fix':''}}">
</view>

使用

新建一个 Dialog 组件,使用isDialogShow控制 Dialog 的显隐

<Dialog show="{{isDialogShow}}"></Dialog>
// ...

createPage({
  mixins: [mpDialog],
  data: {
    isDialogShow: false
  },
  methods: {
    open() {
      // 打开Dialog
      this.openDialog("isDialogShow", () => {
        // do something...
      });
    },
    close() {
      // 关闭Dialog
      this.closeDialog("isDialogShow", () => {
        // do something...
      });
    }
  }
});