uniapp——自定义input清除事件

效果图如下：

 HTML：

<view class="disF">
                        <view class="qhItem">
                            <view class="m-qhTit">取号人姓名：</view>
                            <view class="qhInput uni-input-wrapper">
                                <input type="text" placeholder="请填写取号人姓名" v-model="cusname" />
                                <text class="iconfont iconshanchu" v-if="cusname.length>0" @click="cusname=''"></text>
                            </view>
                        </view>
                        <view class="qhItem">
                            <view class="m-qhTit">手机号：</view>
                            <view class="qhInput uni-input-wrapper">
                                <input type="number" placeholder="请填写手机号" v-model="mobile" />
                                <text class="iconfont iconshanchu" v-if="mobile.length>0" @click="mobile=''"></text>
                            </view>
                        </view>
                        <view class="qhItem">
                            <view class="m-qhTit">排队号：</view>
                            <view class="qhInput uni-input-wrapper">
                                <input type="number" placeholder="请填写排队号" v-model="number" />
                                <text class="iconfont iconshanchu" v-if="number.length>0" @click="number=''"></text>
                            </view>
                        </view>
                    </view>

CSS:

.disF{
                    display: flex;
                     730px;
                    .qhItem{
                         33%;
                        .m-qhTit{
                            min- 85px;
                            height: 34px;
                            line-height: 34px;
                            font-size: 14px;
                            text-align: right;
                            margin-right: 6px;
                        }
                        .qhInput{
                            position: relative;
                            input{
                                 144px;
                                height: 34px;
                                line-height: 34px;
                                border: 1px solid #ccc;
                                padding: 0 8px;
                                font-size: 14px;
                                border-radius: 2px;
                            }
                            .iconshanchu{
                                font-size: 16px;
                                color: #ccc;
                                position: absolute;
                                top: 3px;
                                right: 15px;
                                cursor: pointer;
                            }
                        }
                    }
                }

js:

 

归纳总结：

1.data中声明变量

2.input绑定变量

3.清除按钮：判断变量的长度，如果大于0点击click事件清空值