自定义文字复制剪贴指令

ruoyi-ui/src/directive/module/clipboard.js

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+/**
+* v-clipboard 文字复制剪贴
+* Copyright (c) 2021 ruoyi
+*/
+
+import Clipboard from 'clipboard'
+export default {
+  bind(el, binding, vnode) {
+    switch (binding.arg) {
+      case 'success':
+        el._vClipBoard_success = binding.value;
+        break;
+      case 'error':
+        el._vClipBoard_error = binding.value;
+        break;
+      default: {
+        const clipboard = new Clipboard(el, {
+          text: () => binding.value,
+          action: () => binding.arg === 'cut' ? 'cut' : 'copy'
+        });
+        clipboard.on('success', e => {
+          const callback = el._vClipBoard_success;
+          callback && callback(e);
+        });
+        clipboard.on('error', e => {
+          const callback = el._vClipBoard_error;
+          callback && callback(e);
+        });
+        el._vClipBoard = clipboard;
+      }
+    }
+  },
+  update(el, binding) {
+    if (binding.arg === 'success') {
+      el._vClipBoard_success = binding.value;
+    } else if (binding.arg === 'error') {
+      el._vClipBoard_error = binding.value;
+    } else {
+      el._vClipBoard.text = function () { return binding.value; };
+      el._vClipBoard.action = () => binding.arg === 'cut' ? 'cut' : 'copy';
+    }
+  },
+  unbind(el, binding) {
+    if (!el._vClipboard) return
+    if (binding.arg === 'success') {
+      delete el._vClipBoard_success;
+    } else if (binding.arg === 'error') {
+      delete el._vClipBoard_error;
+    } else {
+      el._vClipBoard.destroy();
+      delete el._vClipBoard;
+    }
+  }
+}