话不多说，直接上代码，希望帮助到各位！谢谢

<view>
    <view>
        <view class="weui-search-bar">
            <view class="weui-search-bar__form">
                <!-- 最初始时的搜索框 -->
                <view class="weui-search-bar__box">
                    <icon class="weui-icon-search_in-box" type="search" size="14"></icon>
                    <input type="text" class="weui-search-bar__input" bindinput="SearchBy_NPD" placeholder="搜索" />
                </view>
                <!-- 可编辑时的搜索框 -->
                <label class="weui-search-bar__label" hidden="{{inputShowed}}" bindtap="showInput">
                    <icon class="weui-icon-search" type="search" size="14"></icon>
                    <view class="weui-search-bar__text">搜索姓名、手机号、地址</view>
                </label>
            </view>
            <!-- 取消搜索 -->
            <view class="weui-search-bar__cancel-btn" hidden="{{!inputShowed}}" bindtap="hideInput">取消</view>
        </view>
.wxml
.weui-search-bar {
  position: relative;
  padding: 8px 10px;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  box-sizing: border-box;
  background-color: #EFEFF4;
  border-top: 1rpx solid #D7D6DC;
  border-bottom: 1rpx solid #D7D6DC;
}

.weui-icon-search {
  margin-right: 4px;
  font-size: inherit;
}

.weui-icon-search_in-box {
  position: absolute;
  left: 10px;
  top: 7px;
}

.weui-search-bar__text {
  display: inline-block;
  font-size: 16px;
}

.weui-search-bar__form {
  position: relative;
  -webkit-box-flex: 1;
  -webkit-flex: auto;
  flex: auto;
  border-radius: 5px;
  background: #FFFFFF;
  border: 1rpx solid #E6E6EA;
}

.weui-search-bar__box {
  position: relative;
  padding-left: 30px;
  padding-right: 30px;
  width: 100%;
  box-sizing: border-box;
  z-index: 1;
}

.weui-search-bar__input {
  height: 28px;
  line-height: 28px;
  font-size: 14px;
}

.weui-search-bar__label {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  border-radius: 3px;
  text-align: center;
  color: #9B9B9B;
  background: #FFFFFF;
  line-height: 28px;
}

.weui-search-bar__cancel-btn {
  margin-left: 10px;
  line-height: 28px;
  color: #09BB07;
  white-space: nowrap;
}