1. 注册登录页面

• 设置的要求如下：
  
• 新建项目：TextApplication
• 上面的数值单位都是 px ，所以要转换成 vp 和 fp
• 在 1920*1080 分辨率下，1px = 1/3vp
• P40：1080*2340 的分辨率跟上面的 1920*1080 差不多，所以就可以用1：3 的关系来转换
• 有关 px,vp,fp 三者的关系可以看看我之前写的博文：https://xdr630.blog.csdn.net/article/details/119299891
• 快速格式化页面对齐：Ctrl + Alt + L

ability_main

<?xml version="1.0" encoding="utf-8"?>
<DirectionalLayout
    xmlns:ohos="http://schemas.huawei.com/res/ohos"
    ohos:height="match_parent"
    ohos:width="match_parent"
    ohos:background_element="#F2F2F2"
    ohos:orientation="vertical">

    <Text
        ohos:height="50vp"
        ohos:width="319vp"
        ohos:background_element="#FFFFFF"
        ohos:layout_alignment="horizontal_center"
        ohos:text="请输入手机号"
        ohos:text_alignment="center"
        ohos:text_color="#999999"
        ohos:text_size="17fp"
        ohos:top_margin="100vp"
        />

    <Text
        ohos:height="50vp"
        ohos:width="319vp"
        ohos:background_element="#FFFFFF"
        ohos:layout_alignment="horizontal_center"
        ohos:text="请输入密码"
        ohos:text_alignment="center"
        ohos:text_color="#999999"
        ohos:text_size="17fp"
        ohos:top_margin="10vp"
        />

    <Text
        ohos:height="match_content"
        ohos:width="match_content"
        ohos:layout_alignment="right"
        ohos:right_margin="20vp"
        ohos:text="忘记密码了?"
        ohos:text_color="#979797"
        ohos:text_size="17fp"
        ohos:top_margin="13vp"/>

    <Button
        ohos:height="47vp"
        ohos:width="319vp"
        ohos:background_element="#21a8fd"
        ohos:layout_alignment="horizontal_center"
        ohos:text="登录"
        ohos:text_alignment="center"
        ohos:text_color="#FEFEFE"
        ohos:text_size="24fp"
        ohos:top_margin="77vp"
        />

    <Button
        ohos:height="47vp"
        ohos:width="319vp"
        ohos:background_element="#21a8fd"
        ohos:layout_alignment="horizontal_center"
        ohos:text="注册"
        ohos:text_alignment="center"
        ohos:text_color="#FEFEFE"
        ohos:text_size="24fp"
        ohos:top_margin="13vp"
        />

</DirectionalLayout>

• 运行：
  

2. 修改密码页面

• 设置的要求如下：
  - 右击 layout 创建第二个页面

second_ability

• 把启动页面设置为第二个页面：
  

<?xml version="1.0" encoding="utf-8"?>
<DirectionalLayout
    xmlns:ohos="http://schemas.huawei.com/res/ohos"
    ohos:height="match_parent"
    ohos:width="match_parent"
    ohos:background_element="#F2F2F2"
    ohos:orientation="vertical"
    >

    <Text
        ohos:height="50vp"
        ohos:width="319vp"
        ohos:background_element="#FFFFFF"
        ohos:layout_alignment="horizontal_center"
        ohos:text="请输入新密码"
        ohos:text_alignment="center"
        ohos:text_color="#999999"
        ohos:text_size="17fp"
        ohos:top_margin="10vp"
        />

    <Text
        ohos:height="50vp"
        ohos:width="319vp"
        ohos:background_element="#FFFFFF"
        ohos:layout_alignment="horizontal_center"
        ohos:text="请确认新密码"
        ohos:text_alignment="center"
        ohos:text_color="#999999"
        ohos:text_size="17fp"
        ohos:top_margin="10vp"
        />

    <Button
        ohos:height="47vp"
        ohos:width="319vp"
        ohos:background_element="#21a8fd"
        ohos:layout_alignment="horizontal_center"
        ohos:text="完成"
        ohos:text_alignment="center"
        ohos:text_color="#FEFEFE"
        ohos:text_size="24vp"
        ohos:top_margin="12vp"
        />

</DirectionalLayout>

• 运行：