90 lines
1.9 KiB
Vue
90 lines
1.9 KiB
Vue
<template>
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<view class="prohibition">
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<view class="demo" :style="[{background},{color},{height},{paddingtop}]">
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<!-- 左侧返回按钮 -->
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<view class="left" @click="onback" v-if="back" :style="[{color},{paddingtop}]">
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<uni-icons type="arrowleft" size="20" :color='color'></uni-icons>
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<!-- 此处图标使用的是 uni-ui图标 -->
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</view>
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<!-- 中间标题文字 -->
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<view class="title">
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{{title}}
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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height: 0,
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paddingtop: 0,
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}
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},
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// props: ["title", "back"],
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props: {
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title: { // 标题文字(默认为空)
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default: ''
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},
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color: { // 标题和返回按钮颜色(默认白色)
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default: '#fff'
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},
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//建议使用background 因为使用backgroundcolor，会导致不识别渐变颜色
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background: { // 背景颜色(不传值默认透明)
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default: 'transparent'
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},
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back: { // 是否显示返回按钮(不传值默认不显示)
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default: false
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},
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},
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created() {
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// const demo = uni.getmenubuttonboundingclientrect()
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this.height = "46px";
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// this.paddingtop = 74 + "px"
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},
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methods: {
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// 左侧返回按钮调用
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onback() {
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// history.back();
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uni.navigateBack();
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// this.$emit("onback")
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}
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}
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}
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</script>
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<style>
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.demo {
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position: relative; //注意，建议使用相对定位，因为固定定位会脱离文档流，然后你还要去设置margintop值
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// position: fixed;
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width: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 26rpx;
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z-index: 100;
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padding-bottom: 10rpx;
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}
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.left {
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float: left;
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position: absolute;
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width: 100rpx;
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height: 50rpx;
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top: 0;
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bottom: 0;
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left: 20rpx;
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color: #fff;
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margin: auto;
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}
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.title {
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font-size: 30rpx;
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font-weight: 500;
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font-family: source han sans cn;
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// color: #ffffff;
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}
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</style> |