新增锁定屏幕功能

ruoyi-ui/src/layout/components/Navbar.vue

@@ -45,6 +45,9 @@
           <el-dropdown-item @click.native="setLayout" v-if="setting">
             <span>布局设置</span>
           </el-dropdown-item>
+          <el-dropdown-item @click.native="lockScreen">
+            <span>锁定屏幕</span>
+          </el-dropdown-item>
           <el-dropdown-item divided @click.native="logout">
             <span>退出登录</span>
           </el-dropdown-item>
@@ -112,6 +115,12 @@ export default {
     setLayout(event) {
       this.$emit('setLayout')
     },
+    lockScreen() {
+      const currentPath = this.$route.fullPath
+      this.$store.dispatch('lock/lockScreen', currentPath).then(() => {
+        this.$router.push('/lock')
+      })
+    },
     logout() {
       this.$confirm('确定注销并退出系统吗？', '提示', {
         confirmButtonText: '确定',