这篇文章主要为大家详细介绍了小程序实现搜索框功能，具有一定的参考价值，感兴趣的小伙伴们可以参考一下
小程序顶部搜索框怎么实现
实现效果如下：
具体代码：
1、WXML文件
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | <view class="weui-search-bar">
<view class="weui-search-bar__form">
<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" placeholder="搜索" value="{{inputVal}}" focus="{{inputShowed}}" bindinput="inputTyping" />
<view class="weui-icon-clear" wx:if="{{inputVal.length > 0}}" bindtap="clearInput">
<icon type="clear" size="14"></icon>
</view>
</view>
<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</view>
</label>
</view>
<view class="weui-search-bar__cancel-btn" hidden="{{!inputShowed}}" bindtap="hideInput">取消</view>
</view>
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2、WXSS文件
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | .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: 8px;
font-size: inherit;
}
.weui-icon-search_in-box {
position: absolute;
left: 10px;
top: 7px;
}
.weui-search-bar__text {
display: inline-block;
font-size: 14px;
vertical-align: middle;
}
.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-icon-clear {
position: absolute;
top: 0;
right: 0;
padding: 7px 8px;
font-size: 0;
}
.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;
font-size: 30rpx;
}
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3、js文件
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | showInput: function () {
this.setData({
inputShowed: true
});
},
hideInput: function () {
this.setData({
inputVal: "",
inputShowed: false
});
},
clearInput: function () {
this.setData({
inputVal: ""
});
},
inputTyping: function (e) {
this.setData({
inputVal: e.detail.value
});
}
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