初始化

src/directive/dialog/drag.js

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+/**
+ * v-dialogDrag 弹窗拖拽
+ * Copyright (c) 2019 muyu
+ */
+
+export default {
+  bind(el, binding, vnode, oldVnode) {
+    const value = binding.value
+    if (value == false) return
+    // 获取拖拽内容头部
+    const dialogHeaderEl = el.querySelector('.el-dialog__header');
+    const dragDom = el.querySelector('.el-dialog');
+    dialogHeaderEl.style.cursor = 'move';
+    // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
+    const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null);
+    dragDom.style.position = 'absolute';
+    dragDom.style.marginTop = 0;
+    let width = dragDom.style.width;
+    if (width.includes('%')) {
+      width = +document.body.clientWidth * (+width.replace(/\%/g, '') / 100);
+    } else {
+      width = +width.replace(/\px/g, '');
+    }
+    dragDom.style.left = `${(document.body.clientWidth - width) / 2}px`;
+    // 鼠标按下事件
+    dialogHeaderEl.onmousedown = (e) => {
+      // 鼠标按下，计算当前元素距离可视区的距离 (鼠标点击位置距离可视窗口的距离)
+      const disX = e.clientX - dialogHeaderEl.offsetLeft;
+      const disY = e.clientY - dialogHeaderEl.offsetTop;
+
+      // 获取到的值带px 正则匹配替换
+      let styL, styT;
+
+      // 注意在ie中 第一次获取到的值为组件自带50% 移动之后赋值为px
+      if (sty.left.includes('%')) {
+        styL = +document.body.clientWidth * (+sty.left.replace(/\%/g, '') / 100);
+        styT = +document.body.clientHeight * (+sty.top.replace(/\%/g, '') / 100);
+      } else {
+        styL = +sty.left.replace(/\px/g, '');
+        styT = +sty.top.replace(/\px/g, '');
+      }
+
+
+      // 鼠标拖拽事件
+      document.onmousemove = function (e) {
+        // 通过事件委托，计算移动的距离 （开始拖拽至结束拖拽的距离）
+        const l = e.clientX - disX;
+        const t = e.clientY - disY;
+
+        let finallyL = l + styL
+        let finallyT = t + styT
+
+        // 移动当前元素
+        dragDom.style.left = `${finallyL}px`;
+        dragDom.style.top = `${finallyT}px`;
+
+      };
+
+      document.onmouseup = function (e) {
+        document.onmousemove = null;
+        document.onmouseup = null;
+      };
+    }
+  }
+};

src/directive/dialog/dragHeight.js

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+/**
+ * v-dialogDragWidth 可拖动弹窗高度（右下角）
+ * Copyright (c) 2019 muyu
+ */
+
+export default {
+  bind(el) {
+    const dragDom = el.querySelector('.el-dialog');
+    const lineEl = document.createElement('div');
+    lineEl.style = 'width: 6px; background: inherit; height: 10px; position: absolute; right: 0; bottom: 0; margin: auto; z-index: 1; cursor: nwse-resize;';
+    lineEl.addEventListener('mousedown',
+      function (e) {
+        // 鼠标按下，计算当前元素距离可视区的距离
+        const disX = e.clientX - el.offsetLeft;
+        const disY = e.clientY - el.offsetTop;
+        // 当前宽度 高度
+        const curWidth = dragDom.offsetWidth;
+        const curHeight = dragDom.offsetHeight;
+        document.onmousemove = function (e) {
+          e.preventDefault(); // 移动时禁用默认事件
+          // 通过事件委托，计算移动的距离
+          const xl = e.clientX - disX;
+          const yl = e.clientY - disY
+          dragDom.style.width = `${curWidth + xl}px`;
+          dragDom.style.height = `${curHeight + yl}px`;
+        };
+        document.onmouseup = function (e) {
+          document.onmousemove = null;
+          document.onmouseup = null;
+        };
+      }, false);
+    dragDom.appendChild(lineEl);
+  }
+}

src/directive/dialog/dragWidth.js

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+/**
+ * v-dialogDragWidth 可拖动弹窗宽度（右侧边）
+ * Copyright (c) 2019 muyu
+ */
+
+export default {
+  bind(el) {
+    const dragDom = el.querySelector('.el-dialog');
+    const lineEl = document.createElement('div');
+    lineEl.style = 'width: 5px; background: inherit; height: 80%; position: absolute; right: 0; top: 0; bottom: 0; margin: auto; z-index: 1; cursor: w-resize;';
+    lineEl.addEventListener('mousedown',
+      function (e) {
+        // 鼠标按下，计算当前元素距离可视区的距离
+        const disX = e.clientX - el.offsetLeft;
+        // 当前宽度
+        const curWidth = dragDom.offsetWidth;
+        document.onmousemove = function (e) {
+          e.preventDefault(); // 移动时禁用默认事件
+          // 通过事件委托，计算移动的距离
+          const l = e.clientX - disX;
+          dragDom.style.width = `${curWidth + l}px`;
+        };
+        document.onmouseup = function (e) {
+          document.onmousemove = null;
+          document.onmouseup = null;
+        };
+      }, false);
+    dragDom.appendChild(lineEl);
+  }
+}

src/directive/permission/hasPermi.js

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+/**
+ * v-hasPermi 操作权限处理
+ * Copyright (c) 2019 muyu
+ */
+
+import store from '@/store'
+
+export default {
+  inserted(el, binding, vnode) {
+    const {value} = binding
+    const all_permission = "*:*:*";
+    const permissions = store.getters && store.getters.permissions
+
+    if (value && value instanceof Array && value.length > 0) {
+      const permissionFlag = value
+
+      const hasPermissions = permissions.some(permission => {
+        return all_permission === permission || permissionFlag.includes(permission)
+      })
+
+      if (!hasPermissions) {
+        el.parentNode && el.parentNode.removeChild(el)
+      }
+    } else {
+      throw new Error(`请设置操作权限标签值`)
+    }
+  }
+}

src/directive/permission/hasRole.js

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+/**
+ * v-hasRole 角色权限处理
+ * Copyright (c) 2019 muyu
+ */
+
+import store from '@/store'
+
+export default {
+  inserted(el, binding, vnode) {
+    const {value} = binding
+    const super_admin = "admin";
+    const roles = store.getters && store.getters.roles
+
+    if (value && value instanceof Array && value.length > 0) {
+      const roleFlag = value
+
+      const hasRole = roles.some(role => {
+        return super_admin === role || roleFlag.includes(role)
+      })
+
+      if (!hasRole) {
+        el.parentNode && el.parentNode.removeChild(el)
+      }
+    } else {
+      throw new Error(`请设置角色权限标签值"`)
+    }
+  }
+}