微信小程序简单输入框界面（实现选择标签功能）-Toy模板网

这篇具有很好参考价值的文章主要介绍了微信小程序简单输入框界面（实现选择标签功能）。希望对大家有所帮助。如果存在错误或未考虑完全的地方，请大家不吝赐教，您也可以点击"举报违法"按钮提交疑问。

微信小程序简单输入框界面，实现选择标签功能、输入框字数计数的简单界面功能。

微信小程序简单输入框界面（实现选择标签功能）,微信小程序,微信小程序,javascript
1、js代码：

Page({

  /**
   * 页面的初始数据
   */
  data: {
    count: 500,
    labelList: [{
        text: '开心',
        checked: true
      }, {
        text: '难受想哭',
        checked: true
      },
      {
        text: '快乐',
        checked: false
      }, {
        text: '囧',
        checked: false
      },
      {
        text: '悲伤',
        checked: false
      }, {
        text: '悲哀',
        checked: true
      },
      {
        text: 'emeo',
        checked: false
      }, {
        text: '流汗',
        checked: false
      },
      {
        text: '悲痛欲绝',
        checked: false
      }, {
        text: '加油',
        checked: true
      },
      {
        text: '沮丧',
        checked: true
      }, {
        text: '努力',
        checked: true
      },
    ]
  },
  inputArea: function (e) {
    let num = 500 - e.detail.value.length;
    this.setData({
      count: num < 0 ? 0 : num
    });
  },
  //选择监听
  selectClick(e) {
    let inx = e.currentTarget.dataset.index;
    let flag = this.data.labelList[inx].checked;
    let check = 'labelList[' + inx + '].checked';
    this.setData({
      [check]: !flag
    })
  },
  // 提交
  sumbitClick(e) {
    let formData = e.detail.value;
    let list = this.data.labelList,
      attr = [];
    for (let i = 0; i < list.length; i++) {
      if (list[i].checked) {
        attr.push(list[i].text)
      }
    }
    formData.label = attr;
    // 接受的数据，具体根据自己需求写
  },
})

2、wxml代码：

<form bindsubmit="sumbitClick">
  <view class="box">
    <view class="top-title">
      <text class="title">标题</text>
      <input name="title" class="weui-input" maxlength="30" auto-focus placeholder="好的标题更能引人注目~" />
    </view>
    <view class="bottom-box">
      <text class="title">说点儿什么呢？</text>
      <view class="area-text">
        <textarea name="content" bind:input="inputArea" class="weui-input" maxlength="500" placeholder="分享你的好心情~" />
        <view class="right">还可输入<text class="red"> {{count}} </text>字数</view>
      </view>
    </view>
    <view class="bottom-box">
      <text class="title">选择标签</text>
      <view class="label-box">
        <block wx:for="{{labelList}}" wx:key="item">
          <text bindtap="selectClick" data-index="{{index}}" class="label {{item.checked?'select':''}}">{{item.text}}</text>
        </block>
      </view>
    </view>
    <button class="button" type="warn" form-type="submit">提交信息</button>
  </view>
</form>

3、wxss代码：

page {
  background-color: white;
}

.box {
  margin: 20rpx;
}

.top-title {
  margin-bottom: 20rpx;
  border-bottom: 1rpx solid rgb(218, 217, 217);
}

.title {
  font-size: 32rpx;
}

.weui-input {
  padding: 15rpx 0;
  font-size: 30rpx;
  width: 100%;
}

.bottom-box {
  margin-top: 10rpx;
}

.right {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  font-size: 26rpx;
  margin: 5rpx;
  color: gray;
}

.red {
  color: red;
}

.area-text {
  margin-top: 20rpx;
  border: 1rpx solid rgb(218, 217, 217);
  padding: 5rpx 10rpx;
  border-radius: 10rpx;
}

.label {
  background-color: white;
  color: rgb(255, 196, 0);
  margin: 10rpx 25rpx 15rpx 0;
  font-size: 28rpx;
  padding: 5rpx 20rpx;
  border-radius: 50rpx;
  text-align: center;
  border: 1rpx solid rgb(255, 196, 0);
}

.select {
  background-color: rgb(255, 196, 0);
  color: white;
}

.label-box {
  margin-top: 10rpx;
  flex-wrap: wrap;
  display: inline-flex;
  flex-direction: row;
}

.button {
  border-radius: 50rpx;
  text-align: center;
  color: white;
  font-size: 30rpx;
  margin: 50rpx auto;
  width: 90%;
}