哈喽，大家好，我是SCLQ。

最近在抖音刷到手持弹幕的视频，觉得是一个非常有趣应用，在手持弹幕小程序这个软件当中，你可以设置很长一段话，很适合追星。挑战一下自己，做一个小程序的手持弹幕应用。

微信小程序搜索“超超实用工具”，打开菜单，点击手持弹幕即可免费使用。

先扫码体验吧

效果：

可以自定义字体属性

话不多说，上操作：

WXML:

<view class="textBox" style="background-color:{{backgroundColor}}">
  <view class='text' style="font-size: {{fontSize}}rpx; animation: animateText {{animateTime}}s infinite linear; color:{{fontColor}}"> {{text}} </view>
</view>
<view class="inputBox">
  <input class="inp" placeholder="请输入弹幕~" bindinput="inputBlur" cursor-spacing='10'></input>
  <view bindtap="sendBtn" class="iconfont icon-1huojian iconBtn1"> 发送</view>
  <view bindtap="showModal" class="iconfont icon-qita3 iconBtn1">属性</view>
</view>
<!--屏幕背景变暗的背景 -->
<view class="commodity_screen" bindtap="hideModal" wx:if="{{showModalStatus}}"></view>
<!-- 屏幕内容 -->
<view animation="{{animationData}}" class="commodity_attr_box" wx:if="{{showModalStatus}}">
  <view class="swiper-tab swiperAttr">
    <view class="iconfont icon-jurassic_font-sizeadd swiper-tab-item {{currentTab==0?'active':''}}" data-current="0" bindtap="clickTab">字号</view>
    <view class="iconfont icon-yanse1 swiper-tab-item {{currentTab==1?'active':''}}" data-current="1" bindtap="clickTab">颜色</view>
    <view class="iconfont icon-Group- swiper-tab-item {{currentTab==2?'active':''}}" data-current="2" bindtap="clickTab">速度</view>
    <view class="iconfont icon-beijingse swiper-tab-item {{currentTab==3?'active':''}}" data-current="3" bindtap="clickTab">背景</view>
</view>
<swiper current="{{currentTab}}" duration="300"  bindchange="swiperTab">
    <!-- 字体大小 -->
    <swiper-item>
      <view class="swiperItem1">
        <slider show-value value='{{sliderValOfFontSize}}' bindchanging='changeFontSize' selected-color='#006AFE'></slider>
      </view>
    </swiper-item>
    <!-- 选择颜色 -->
    <swiper-item>
      <view class="swiperItem2">
        <view class="colorBox" bindtap="setColor">
          <view class="colorItems" wx:for='{{colorArr}}' data-index="{{index}}" style="background-color:{{item.color}}" wx:key=''></view>
        </view>
      </view>
    </swiper-item>
    <!-- 字体速度 -->
    <swiper-item>
      <view class="swiperItem1">
        <slider show-value bindchanging='changeTextSpeend' selected-color='#006AFE' value='{{sliderValOfAnimateTime}}'></slider>
      </view>
    </swiper-item>
    <!-- 背景颜色 -->
    <swiper-item>
      <view class="swiperItem2">
        <view class="colorBox" bindtap="setBackGroundColor">
          <view class="colorItems" wx:for='{{colorArr}}' data-index="{{index}}" style="background-color:{{item.color}}" wx:key=''></view>
        </view>
      </view>
    </swiper-item>
</swiper>
</view>

WXSS:

page{
  margin: 0;
  padding: 0;
}
.textBox{
  height: 100vh;
  display: flex;
  justify-content: center;
  background-color: black;
  position: relative;
}
.text{
  transform:rotate(90deg);
  height: 1rpx;
  display: flex;
  align-items: center;
   
  white-space: nowrap;
  /* background-color: salmon; */
  position: fixed;
  top: 280%;
  color: white;
  /* margin-top: -1%; */
   
}
@keyframes animateText{
  0%{
    margin-top: 0%;
  }
  100%{
    margin-top: -700%;
  }
}
.inputBox{
  position: fixed;
  bottom: 1%;
  display: flex;
   
  /* background-color: saddlebrown; */
   
}
.inp{
  border: 1px #333333 solid;
  border-radius: 50rpx;
  margin-left: 30rpx;
  padding-left: 20rpx;
  color: white;
  font-size: 30rpx;
  width: 390rpx;
  height: 63rpx;
}
.iconBtn1{
  /* border: 1px white solid; */
  width: 130rpx;
  height: 70rpx;
  border-radius: 60rpx;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 30rpx;
  font-weight: bold;
  background-color: #333333;
  color: white;
  margin-left: 10rpx;
   
}
.swiperItem1{
  padding-top: 15%;
  padding-left: 5%;
}
.swiperItem2{
  padding-top: 15%;
}
/* 色块 */
.colorBox{
  display: flex;
  justify-content: space-evenly;
}
.colorItems{
  width: 50rpx;
  height: 50rpx;
}
/* 弹起框的样式 */
/*使屏幕变暗 */
.commodity_screen {
 width: 100%;
 height: 100%;
 position: fixed;
 top: 0;
 left: 0;
 background: #000;
 opacity: 0.8;
 overflow: hidden;
 z-index: 1000;
 color: #fff;
}
/*对话框 */
.commodity_attr_box {
 height: 430rpx;
 width: 100%;
 overflow: hidden;
 position: fixed;
 bottom: 0;
 left: 0;
 z-index: 2000;
 background: #282828;
 border-radius: 10rpx 10rpx 0 0;
}
/* swiper start */
.swiper-tab{
    width: 100%;
    border-bottom: 2rpx solid #373737;
    text-align: center;
    height: 88rpx;
    line-height: 88rpx;
    font-weight: bold;
    background-color: #282828;
}
.swiper-tab-item{
    display: inline-block;
    width: 25%;
    color:#939393;  
    background-color: #282828;
}
.active{
    background-color: #006AFE;
    color:white;
    border-bottom: 4rpx solid#373737;
}
swiper{
  color: white;
  background-color: #282828;
}

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