第三次尝试

对三个文件进行了加工，主要是为了实现添加收支的界面

app.json

{
  "pages":[
    "pages/index/index",
    "pages/item/item"
  ],
  "window":{
    "backgroundTextStyle":"light",
    "navigationBarBackgroundColor": "#2297f1",
    "navigationBarTitleText": "灵犀账本",
    "navigationBarTextStyle":"white"
  }
}

item.wxml

<!--item.wxml-->
<view class="page">
    <view class="section">
        <view class="section__title">标题</view>
        <input bindinput="bindTitleInput" placeholder="内容" value="{{title}}" />
    </view>
    <view class="section">
        <view class="section__title">类型</view>
        <radio-group class="radio-group" bindchange="radioChange">
            <label class="radio">
                <radio class="radio" value="income" checked="true"/>收入
            </label>
            <label class="radio">
                <radio class="radio" value="cost"/>支出
            </label>
        </radio-group>
    </view>
    <view class="section">
        <view class="section__title">金额</view>
        <input bindinput="bindAccountInput" type="number" placeholder="请输入数字，不加正负号"/>
    </view>
    <button class="button" type="primary">添加</button>
</view>

item.wxss

.page {
    min-height: 100%;
    flex: 1;
    background-color: #FBF9FE;
    font-size: 32rpx;
    font-family: -apple-system-font,Helvetica Neue,Helvetica,sans-serif;
    overflow: hidden;
}

.page input{
    padding: 20rpx 30rpx;
    background-color: #fff;
}

.section{
    margin:40rpx 0;
}
.section_gap{
    padding: 0 30rpx;
}
.section__title{
    margin-bottom: 16rpx;
    padding-left: 30rpx;
    padding-right: 30rpx;
}
.section_gap .section__title{
    padding-left: 0;
    padding-right: 0;
}

.radio-group {
    margin:50rpx;
    font-size:25rpx;
}

.radio{
    margin-right: 20rpx;
}

/**按钮**/
.button {
    margin:10rpx;
}