小程序开发总结04 - 特殊样式处理

button::after{ 
    border: none; 
}

/* 单行省略号 */
.text {
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
/* 多行省略号 */
.textarea {
    display: -webkit-box;
    word-break: break-all;
    text-overflow: ellipsis;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp:2;
}

<view>
    ... 固定高度200rpx
    <scroll-view 
        style="height:{{srollHeight}}px;" 
        scroll-y="true"  
        scroll-with-animation="true" 
        enable-back-to-top="true"
        scroll-top="{{scrollTop}}" 
        bindscrolltolower="bindDownLoad" 
        bindscroll="scroll" 
        bindscrolltoupper="refresh" 
        lower-threshold="200"
    >
        items...
    </scroll-view>
    <loading hidden="{{hideLoding}}">
        加载中...
    </loading>
</view>

Page({
    data: {
        scrollTop: 0,
        srollHeight: 0,
        hideLoding: true,
    },
    onLoad(){
        wx.getSystemInfo({
            success: res => {
                // 小程序宽度固定为750rpx，可以计算出固定部分的高度200rpx对应的像素值
                this.setData({
                    srollHeight: res.windowHeight - res.windowWidth / 750 * 200
                });
            }
        })
    },
    getList() {
        ...
    },
    bindDownLoad: function () {
        this.getList();
    },
    scroll: function (event) {
        // this.setData({
        //     scrollTop: event.detail.scrollTop
        // });  
    },
    refresh: function (event) {
        console.log("refresh");
    }
})

<view class="modal" hidden="{{!showModal}}">
    <view class="modal-content">
        ...content
    </view>
    <view class="modal-close" bindtap="hideModal">x</view>
</view>

.modal {
    position:fixed;
    width:100%;
    height:100%;
    top:0;
    left: 0;    
    background:rgba(0,0,0,0.4);
    overflow: hidden;
    z-index: 999;
}
.modal .modal-content{
    position:relative;
    width: 90%;
    margin:35% auto;
    overflow: hidden;
    background-color: #fff;
    height: 550rpx;
    overflow-y: auto;
}
/* 圆形关闭按钮 */
.modal .modal-close {
    width: 100rpx;
    height:100rpx;
    font-size:70rpx;
    color:#bababa;
    transform:translate(-50%,-50%);
    bottom:90rpx;
    position:absolute;
    left:50%;
    text-align:center;
    border:3rpx solid #bababa;
    border-radius:100%;
    vertical-align:middle;
    line-height:90rpx;
}