Merge branch 'master' of https://gitee.com/y_project/RuoYi-Cloud
caohong
5 years ago
commit
b3de36c17a
@ -0,0 +1,143 @@
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<template>
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<el-menu
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:default-active="activeMenu"
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mode="horizontal"
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@select="handleSelect"
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>
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<template v-for="(item, index) in topMenus">
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<el-menu-item :index="item.path" :key="index" v-if="index < visibleNumber"
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><svg-icon :icon-class="item.meta.icon" />
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{{ item.meta.title }}</el-menu-item
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>
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</template>
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<!-- 顶部菜单超出数量折叠 -->
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<el-submenu index="more" v-if="topMenus.length > visibleNumber">
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<template slot="title">更多菜单</template>
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<template v-for="(item, index) in topMenus">
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<el-menu-item
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:index="item.path"
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:key="index"
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v-if="index >= visibleNumber"
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><svg-icon :icon-class="item.meta.icon" />
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{{ item.meta.title }}</el-menu-item
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>
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</template>
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</el-submenu>
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</el-menu>
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</template>
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<script>
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import { constantRoutes } from "@/router";
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export default {
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data() {
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return {
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// 顶部栏初始数
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visibleNumber: 5,
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// 是否为首次加载
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isFrist: false,
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};
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},
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computed: {
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// 顶部显示菜单
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topMenus() {
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return this.routers.map((menu) => ({
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...menu,
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children: undefined,
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}));
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},
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// 所有的路由信息
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routers() {
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return this.$store.state.permission.topbarRouters;
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},
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// 设置子路由
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childrenMenus() {
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var childrenMenus = [];
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this.routers.map((router) => {
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for (var item in router.children) {
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if (router.children[item].parentPath === undefined) {
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router.children[item].path = router.path + "/" + router.children[item].path;
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router.children[item].parentPath = router.path;
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}
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childrenMenus.push(router.children[item]);
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}
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});
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return constantRoutes.concat(childrenMenus);
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},
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// 默认激活的菜单
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activeMenu() {
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const path = this.$route.path;
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let activePath = this.routers[0].path;
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if (path.lastIndexOf("/") > 0) {
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const tmpPath = path.substring(1, path.length);
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activePath = "/" + tmpPath.substring(0, tmpPath.indexOf("/"));
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} else if ("/index" == path || "" == path) {
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if (!this.isFrist) {
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this.isFrist = true;
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} else {
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activePath = "index";
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}
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}
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this.activeRoutes(activePath);
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return activePath;
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},
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},
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mounted() {
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this.setVisibleNumber();
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},
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methods: {
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// 根据宽度计算设置显示栏数
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setVisibleNumber() {
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const width = document.body.getBoundingClientRect().width - 200;
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const elWidth = this.$el.getBoundingClientRect().width;
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const menuItemNodes = this.$el.children;
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const menuWidth = Array.from(menuItemNodes).map(
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(i) => i.getBoundingClientRect().width
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);
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this.visibleNumber = (
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parseInt(width - elWidth) / parseInt(menuWidth)
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).toFixed(0);
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},
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// 菜单选择事件
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handleSelect(key, keyPath) {
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if (key.indexOf("http://") !== -1 || key.indexOf("https://") !== -1) {
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// http(s):// 路径新窗口打开
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window.open(key, "_blank");
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} else {
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this.activeRoutes(key);
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}
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},
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// 当前激活的路由
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activeRoutes(key) {
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var routes = [];
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if (this.childrenMenus && this.childrenMenus.length > 0) {
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this.childrenMenus.map((item) => {
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if (key == item.parentPath || (key == "index" && "" == item.path)) {
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routes.push(item);
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}
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});
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}
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this.$store.commit("SET_SIDEBAR_ROUTERS", routes);
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},
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},
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};
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</script>
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<style lang="scss" scoped>
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.el-menu--horizontal > .el-menu-item {
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float: left;
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height: 50px;
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line-height: 50px;
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margin: 0;
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border-bottom: 3px solid transparent;
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color: #999093;
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padding: 0 5px;
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margin: 0 10px;
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}
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.el-menu--horizontal > .el-menu-item.is-active {
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border-bottom: 3px solid #409eff;
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color: #303133;
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}
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</style>
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