feat:vue-element-admin升级改造vue3

src/components/Breadcrumb/index.vue

@@ -14,12 +14,11 @@
 
 <script lang="ts">
 
-import {defineComponent, onBeforeMount, reactive, toRefs} from "vue";
+import {defineComponent, onBeforeMount, reactive, toRefs,watch} from "vue";
 import {compile} from 'path-to-regexp'
 import {useRoute, RouteLocationMatched} from "vue-router";
 import router from "@router";
 
-
 export default defineComponent({
   setup() {
     const currentRoute = useRoute();
@@ -29,65 +28,50 @@ export default defineComponent({
       return toPath(params)
     }
     const state = reactive({
-      breadcrumbs: [] as Array<RouteLocationMatched>,
-      getBreadcrumb:()=>{
-
+      levelList: [] as Array<RouteLocationMatched>,
+      getBreadcrumb: () => {
+        let matched = currentRoute.matched.filter((item) => item.meta && item.meta.title)
+        const first = matched[0]
+        if (!state.isDashboard(first)) {
+          matched = [{path: '/dashboard', meta: {title: 'dashboard'}} as any].concat(matched)
+        }
+        state.levelList = matched.filter((item) => {
+          return item.mate && item.meta.title && item.meta.breadcrumb !== false
+        })
+      },
+      isDashboard(route: RouteLocationMatched) {
+        const name = route && route.name
+        if (!name) {
+          return false
+        }
+        return name.trim().toLocaleLowerCase() === 'Dashboard'.toLocaleLowerCase()
+      },
+      handleLink(item: any) {
+        const {redirect, path} = item
+        if (redirect) {
+          router.push(redirect)
+          return
+        }
+        router.push(pathCompile(path))
       }
     })
+    watch(() => currentRoute.path, (path) => {
+      if (path.startsWith('/redirect/')) {
+        return
+      }
+      state.getBreadcrumb()
+    })
+    onBeforeMount(() => {
+      state.getBreadcrumb()
+    })
+
+    return {
+      ...toRefs(state)
+    }
   }
 })
 
-export default {
-  data() {
-    return {
-      levelList: null
-    }
-  },
-  watch: {
-    $route() {
-      this.getBreadcrumb()
-    }
-  },
-  created() {
-    this.getBreadcrumb()
-  },
-  methods: {
-    getBreadcrumb() {
-      // only show routes with meta.title
-      let matched = this.$route.matched.filter(item => item.meta && item.meta.title)
-      const first = matched[0]
-
-      if (!this.isDashboard(first)) {
-        matched = [{path: '/dashboard', meta: {title: 'Dashboard'}}].concat(matched)
-      }
-
-      this.levelList = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
-    },
-    isDashboard(route) {
-      const name = route && route.name
-      if (!name) {
-        return false
-      }
-      return name.trim().toLocaleLowerCase() === 'Dashboard'.toLocaleLowerCase()
-    },
-    pathCompile(path) {
-      // To solve this problem https://github.com/PanJiaChen/vue-element-admin/issues/561
-      const {params} = this.$route
-      var toPath = pathToRegexp.compile(path)
-      return toPath(params)
-    },
-    handleLink(item) {
-      const {redirect, path} = item
-      if (redirect) {
-        this.$router.push(redirect)
-        return
-      }
-      this.$router.push(this.pathCompile(path))
-    }
-  }
-}
 </script>
-
 <style lang="scss" scoped>
 .app-breadcrumb.el-breadcrumb {
   display: inline-block;

src/components/ThemePicker/index.vue

@@ -0,0 +1,175 @@
+<template>
+  <el-color-picker
+    v-model="theme"
+    :predefine="['#409EFF', '#1890ff', '#304156','#212121','#11a983', '#13c2c2', '#6959CD', '#f5222d', ]"
+    class="theme-picker"
+    popper-class="theme-picker-dropdown"
+  />
+</template>
+
+<script>
+const version = require('element-ui/package.json').version // element-ui version from node_modules
+const ORIGINAL_THEME = '#409EFF' // default color
+
+export default {
+  data() {
+    return {
+      chalk: '', // content of theme-chalk css
+      theme: ''
+    }
+  },
+  computed: {
+    defaultTheme() {
+      return this.$store.state.settings.theme
+    }
+  },
+  watch: {
+    defaultTheme: {
+      handler: function(val, oldVal) {
+        this.theme = val
+      },
+      immediate: true
+    },
+    async theme(val) {
+      const oldVal = this.chalk ? this.theme : ORIGINAL_THEME
+      if (typeof val !== 'string') return
+      const themeCluster = this.getThemeCluster(val.replace('#', ''))
+      const originalCluster = this.getThemeCluster(oldVal.replace('#', ''))
+      console.log(themeCluster, originalCluster)
+
+      const $message = this.$message({
+        message: '  Compiling the theme',
+        customClass: 'theme-message',
+        type: 'success',
+        duration: 0,
+        iconClass: 'el-icon-loading'
+      })
+
+      const getHandler = (variable, id) => {
+        return () => {
+          const originalCluster = this.getThemeCluster(ORIGINAL_THEME.replace('#', ''))
+          const newStyle = this.updateStyle(this[variable], originalCluster, themeCluster)
+
+          let styleTag = document.getElementById(id)
+          if (!styleTag) {
+            styleTag = document.createElement('style')
+            styleTag.setAttribute('id', id)
+            document.head.appendChild(styleTag)
+          }
+          styleTag.innerText = newStyle
+        }
+      }
+
+      if (!this.chalk) {
+        const url = `https://unpkg.com/element-ui@${version}/lib/theme-chalk/index.css`
+        await this.getCSSString(url, 'chalk')
+      }
+
+      const chalkHandler = getHandler('chalk', 'chalk-style')
+
+      chalkHandler()
+
+      const styles = [].slice.call(document.querySelectorAll('style'))
+        .filter(style => {
+          const text = style.innerText
+          return new RegExp(oldVal, 'i').test(text) && !/Chalk Variables/.test(text)
+        })
+      styles.forEach(style => {
+        const { innerText } = style
+        if (typeof innerText !== 'string') return
+        style.innerText = this.updateStyle(innerText, originalCluster, themeCluster)
+      })
+
+      this.$emit('change', val)
+
+      $message.close()
+    }
+  },
+
+  methods: {
+    updateStyle(style, oldCluster, newCluster) {
+      let newStyle = style
+      oldCluster.forEach((color, index) => {
+        newStyle = newStyle.replace(new RegExp(color, 'ig'), newCluster[index])
+      })
+      return newStyle
+    },
+
+    getCSSString(url, variable) {
+      return new Promise(resolve => {
+        const xhr = new XMLHttpRequest()
+        xhr.onreadystatechange = () => {
+          if (xhr.readyState === 4 && xhr.status === 200) {
+            this[variable] = xhr.responseText.replace(/@font-face{[^}]+}/, '')
+            resolve()
+          }
+        }
+        xhr.open('GET', url)
+        xhr.send()
+      })
+    },
+
+    getThemeCluster(theme) {
+      const tintColor = (color, tint) => {
+        let red = parseInt(color.slice(0, 2), 16)
+        let green = parseInt(color.slice(2, 4), 16)
+        let blue = parseInt(color.slice(4, 6), 16)
+
+        if (tint === 0) { // when primary color is in its rgb space
+          return [red, green, blue].join(',')
+        } else {
+          red += Math.round(tint * (255 - red))
+          green += Math.round(tint * (255 - green))
+          blue += Math.round(tint * (255 - blue))
+
+          red = red.toString(16)
+          green = green.toString(16)
+          blue = blue.toString(16)
+
+          return `#${red}${green}${blue}`
+        }
+      }
+
+      const shadeColor = (color, shade) => {
+        let red = parseInt(color.slice(0, 2), 16)
+        let green = parseInt(color.slice(2, 4), 16)
+        let blue = parseInt(color.slice(4, 6), 16)
+
+        red = Math.round((1 - shade) * red)
+        green = Math.round((1 - shade) * green)
+        blue = Math.round((1 - shade) * blue)
+
+        red = red.toString(16)
+        green = green.toString(16)
+        blue = blue.toString(16)
+
+        return `#${red}${green}${blue}`
+      }
+
+      const clusters = [theme]
+      for (let i = 0; i <= 9; i++) {
+        clusters.push(tintColor(theme, Number((i / 10).toFixed(2))))
+      }
+      clusters.push(shadeColor(theme, 0.1))
+      return clusters
+    }
+  }
+}
+</script>
+
+<style>
+.theme-message,
+.theme-picker-dropdown {
+  z-index: 99999 !important;
+}
+
+.theme-picker .el-color-picker__trigger {
+  height: 26px !important;
+  width: 26px !important;
+  padding: 2px;
+}
+
+.theme-picker-dropdown .el-color-dropdown__link-btn {
+  display: none;
+}
+</style>