78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
export default OakComponent({
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isList: false,
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properties: {
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// 背景色
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backgroundColor: '',
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// 背景图
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backgroundUrl: '',
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// 当前选中索引
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selectedIndex: 0,
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// tab 项
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list: [],
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color: '#666',
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selectedColor: '',
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border: false,
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selectedIconPath: '', //一般在list设置
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iconPath: '',
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},
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lifetimes: {
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show() {
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// 切换 tab 选中项
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this.parseCurrentPage();
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},
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},
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data: {
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showTabBar: true,
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},
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methods: {
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/**
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* 根据当前页 path，切换 tab 选中项
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*/
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parseCurrentPage() {
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const { list } = this.props;
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const currentPagePath = '/' + getCurrentPages()[0].route;
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const namespace = this.features.navigator.getNamespace();
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let index;
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for (let i = 0; i < list.length; i++) {
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const pagePath = list[i].pagePath;
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const pathname = this.features.navigator.getPathname(pagePath, namespace);
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if (pathname === currentPagePath) {
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index = i;
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break;
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}
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}
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if (index === undefined) {
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this.setState({
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showTabBar: false,
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});
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return;
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}
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this.setState({
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selectedIndex: index,
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});
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// 触发事件
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const item = list[index];
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this.triggerEvent('oakchange', { index, item });
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},
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/**
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* 事件：点击 tab 项
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*/
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onTapItem(e) {
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const index = e.currentTarget.dataset.index;
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const url = this.props.list[index].pagePath;
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// 切换路由
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this.switchTab({
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url,
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fail: () => {
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this.redirectTo({
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url,
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fail(error) {
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console.warn('路由跳转错误，错误信息为：', error);
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},
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});
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},
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});
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},
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},
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});
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