feat: 按钮权限自定义指令

src/directives/index.ts

@@ -1,7 +1,8 @@
 import { App } from "vue";
-import antiShake from "@/directives/modules/anti-shake";
+import antiShake from "@/directives/modules/global/anti-shake";
-import throttle from "@/directives/modules/throttle";
+import throttle from "@/directives/modules/global/throttle";
-import custom from "@/directives/modules/custom";
+import custom from "@/directives/modules/global/custom";
+import hasPerm from "@/directives/modules/permission/has-perm";
 
 // 定义安装函数
 // install 函数是一个对象中的方法，其作用是将一系列指令对象安装到 Vue 应用实例中，它自带两个参数：app 和 options
@@ -13,6 +14,7 @@ const directives = {
     app.directive("antiShake", antiShake);
     app.directive("throttle", throttle);
     app.directive("custom", custom);
+    app.directive("hasPerm", hasPerm);
   }
 };
 

src/directives/modules/permission/has-perm.ts

@@ -0,0 +1,57 @@
+import { Directive } from "vue";
+import { useUserInfoStore } from "@/store/modules/user-info";
+
+/**
+ * 检测指令绑定值是否为空
+ * @param value 指令绑定值
+ * @returns {Array<string>} 指令绑定值数组
+ */
+const bindingValueEmpty = (value: unknown): Array<string> => {
+  // 处理未定义或空值情况
+  if (!value) throw new Error("v-permission 指令需要配置权限标识");
+
+  // 标准化为数组格式
+  // 如果 value 是一个数组，则直接返回该数组
+  // 如果 value 不是数组，则将其转换为包含单个字符串元素的数组
+  return Array.isArray(value) ? (value as string[]) : [String(value)];
+};
+
+/**
+ * 检查自定义指令权限
+ * @param {HTMLElement} el dom元素
+ * @param {unknown} bindingValue 指令绑定值
+ */
+const checkPermissions = (el: HTMLElement, bindingValue: unknown) => {
+  try {
+    // 检测自定义指令并转化为数组格式
+    const requiredPermissions = bindingValueEmpty(bindingValue);
+
+    // 超级管理员标识
+    const all_permission = "*:*:*";
+
+    // 获取用户权限标识-Array[string]
+    let { permissions } = useUserInfoStore().account;
+
+    // 如果是超级管理员则放行
+    if (permissions.includes(all_permission)) return;
+
+    const hasPermissions = requiredPermissions.some((perm: string) => permissions.includes(perm));
+
+    // 无权限、父节点存在时
+    if (!hasPermissions && el.parentNode) {
+      // 则删除当前子节点
+      el.parentNode.removeChild(el);
+    }
+  } catch (error) {
+    console.error(`权限指令错误: ${error}`);
+    // 删除当前节点
+    if (el.parentNode) el.parentNode.removeChild(el);
+  }
+};
+
+const hasPerm: Directive = {
+  mounted: (el, binding) => checkPermissions(el, binding.value),
+  updated: (el, binding) => checkPermissions(el, binding.value)
+};
+
+export default hasPerm;

src/mock/_data/system_menu.ts

@@ -1474,7 +1474,7 @@ export const permissionData = [
       hide: false,
       disable: false,
       roles: ["admin", "common"],
-      permission: "common:btn:delete",
+      permission: "common:btn:add",
       sort: 1,
       type: 3
     }
@@ -1487,7 +1487,7 @@ export const permissionData = [
       hide: false,
       disable: false,
       roles: ["admin", "common"],
-      permission: "common:btn:delete",
+      permission: "common:btn:edit",
       sort: 2,
       type: 3
     }

src/views/permission/test1/test1.vue

@@ -13,11 +13,33 @@
       <a-typography-title :heading="4"> 当前页面角色权限 </a-typography-title>
       <code-view :code-json="pageRule" style="width: 100%" />
       <br />
-      <a-space>
+      <a-row :gutter="[24, 12]">
-        <a-button type="primary">新增</a-button>
+        <a-col :span="24">
-        <a-button type="primary" status="success">编辑</a-button>
+          <code-view type="vue" :code-json="sysBtn" style="width: 100%" />
-        <a-button type="primary" status="danger">删除</a-button>
+        </a-col>
-      </a-space>
+        <a-col :span="24">
+          <a-space>
+            <span>权限按钮：</span>
+            <a-button v-hasPerm="['sys:btn:add']" type="primary">新增</a-button>
+            <a-button v-hasPerm="['sys:btn:edit']" type="primary" status="success">编辑</a-button>
+            <a-button v-hasPerm="['sys:btn:delete']" type="primary" status="danger">删除</a-button>
+          </a-space>
+        </a-col>
+      </a-row>
+      <br />
+      <a-row :gutter="[24, 12]">
+        <a-col :span="24">
+          <code-view type="vue" :code-json="commonBtn" style="width: 100%" />
+        </a-col>
+        <a-col :span="24">
+          <a-space>
+            <span>权限按钮：</span>
+            <a-button v-hasPerm="['common:btn:add']" type="primary">新增</a-button>
+            <a-button v-hasPerm="['common:btn:edit']" type="primary" status="success">编辑</a-button>
+            <a-button v-hasPerm="['common:btn:delete']" type="primary" status="danger">删除</a-button>
+          </a-space>
+        </a-col>
+      </a-row>
     </div>
   </div>
 </template>
@@ -30,7 +52,18 @@ let userInfoStore = useUserInfoStore();
 let { account } = storeToRefs(userInfoStore);
 const permissions = computed(() => JSON.stringify(account.value.permissions, null));
 const pageRule = computed(() => JSON.stringify(route.meta.roles, null));
-console.log("权限数据", account.value);
+
+let sysBtn = `<a-space>
+  <a-button v-hasPerm="['sys:btn:add']" type="primary">新增</a-button>
+  <a-button v-hasPerm="['sys:btn:edit']" type="primary" status="success">编辑</a-button>
+  <a-button v-hasPerm="['sys:btn:delete']" type="primary" status="danger">删除</a-button>
+</a-space>`;
+
+let commonBtn = `<a-space>
+  <a-button v-hasPerm="['common:btn:add']" type="primary">新增</a-button>
+  <a-button v-hasPerm="['common:btn:edit']" type="primary" status="success">编辑</a-button>
+  <a-button v-hasPerm="['common:btn:delete']" type="primary" status="danger">删除</a-button>
+</a-space>`;
 </script>
 
 <style lang="scss" scoped></style>

src/views/permission/test2/test2.vue

@@ -2,22 +2,44 @@
   <div class="snow-page">
     <div class="snow-inner">
       <a-alert>
-        当前页面为
+        当前页面
         <a-tag color="green"> 超级管理员 </a-tag>
-        权限页面，
+        和
-        <a-tag color="orange"> 普通角色 </a-tag>
+        <a-tag color="green"> 普通角色 </a-tag>
-        无法查看
+        都可以查看
       </a-alert>
       <a-typography-title :heading="4"> 当前用户权限 </a-typography-title>
-      <code-view :code-json="userPermissions" style="width: 100%" />
+      <code-view :code-json="permissions" style="width: 100%" />
       <a-typography-title :heading="4"> 当前页面角色权限 </a-typography-title>
       <code-view :code-json="pageRule" style="width: 100%" />
       <br />
-      <a-space>
+      <a-row :gutter="[24, 12]">
-        <a-button type="primary">新增</a-button>
+        <a-col :span="24">
-        <a-button type="primary" status="success">编辑</a-button>
+          <code-view type="vue" :code-json="sysBtn" style="width: 100%" />
-        <a-button type="primary" status="danger">删除</a-button>
+        </a-col>
-      </a-space>
+        <a-col :span="24">
+          <a-space>
+            <span>权限按钮：</span>
+            <a-button v-hasPerm="['sys:btn:add']" type="primary">新增</a-button>
+            <a-button v-hasPerm="['sys:btn:edit']" type="primary" status="success">编辑</a-button>
+            <a-button v-hasPerm="['sys:btn:delete']" type="primary" status="danger">删除</a-button>
+          </a-space>
+        </a-col>
+      </a-row>
+      <br />
+      <a-row :gutter="[24, 12]">
+        <a-col :span="24">
+          <code-view type="vue" :code-json="commonBtn" style="width: 100%" />
+        </a-col>
+        <a-col :span="24">
+          <a-space>
+            <span>权限按钮：</span>
+            <a-button v-hasPerm="['common:btn:add']" type="primary">新增</a-button>
+            <a-button v-hasPerm="['common:btn:edit']" type="primary" status="success">编辑</a-button>
+            <a-button v-hasPerm="'common:btn:delete'" type="primary" status="danger">删除</a-button>
+          </a-space>
+        </a-col>
+      </a-row>
     </div>
   </div>
 </template>
@@ -28,9 +50,20 @@ import { useUserInfoStore } from "@/store/modules/user-info";
 const route = useRoute();
 let userInfoStore = useUserInfoStore();
 let { account } = storeToRefs(userInfoStore);
-const userPermissions = computed(() => JSON.stringify(account.value.permissions, null));
+const permissions = computed(() => JSON.stringify(account.value.permissions, null));
 const pageRule = computed(() => JSON.stringify(route.meta.roles, null));
-console.log("权限数据", account.value);
+
+let sysBtn = `<a-space>
+  <a-button v-hasPerm="['sys:btn:add']" type="primary">新增</a-button>
+  <a-button v-hasPerm="['sys:btn:edit']" type="primary" status="success">编辑</a-button>
+  <a-button v-hasPerm="['sys:btn:delete']" type="primary" status="danger">删除</a-button>
+</a-space>`;
+
+let commonBtn = `<a-space>
+  <a-button v-hasPerm="['common:btn:add']" type="primary">新增</a-button>
+  <a-button v-hasPerm="['common:btn:edit']" type="primary" status="success">编辑</a-button>
+  <a-button v-hasPerm="['common:btn:delete']" type="primary" status="danger">删除</a-button>
+</a-space>`;
 </script>
 
 <style lang="scss" scoped></style>